| Commit message (Collapse) | Author | Age |
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This prevents a variable-reference relocation inside the EFI stub by
using a wrapper API.
Change-Id: I46f7827959a1f702dac42447277c3f7f1ba8612f
Signed-off-by: Dan Aloni <daloni@magicleap.com>
Signed-off-by: Davide Garberi <dade.garberi@gmail.com>
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* refs/heads/tmp-79f138a
Linux 4.4.107
ath9k: fix tx99 potential info leak
IB/ipoib: Grab rtnl lock on heavy flush when calling ndo_open/stop
RDMA/cma: Avoid triggering undefined behavior
macvlan: Only deliver one copy of the frame to the macvlan interface
udf: Avoid overflow when session starts at large offset
scsi: bfa: integer overflow in debugfs
scsi: sd: change allow_restart to bool in sysfs interface
scsi: sd: change manage_start_stop to bool in sysfs interface
vt6655: Fix a possible sleep-in-atomic bug in vt6655_suspend
scsi: scsi_devinfo: Add REPORTLUN2 to EMC SYMMETRIX blacklist entry
raid5: Set R5_Expanded on parity devices as well as data.
pinctrl: adi2: Fix Kconfig build problem
usb: musb: da8xx: fix babble condition handling
tty fix oops when rmmod 8250
powerpc/perf/hv-24x7: Fix incorrect comparison in memord
scsi: hpsa: destroy sas transport properties before scsi_host
scsi: hpsa: cleanup sas_phy structures in sysfs when unloading
PCI: Detach driver before procfs & sysfs teardown on device remove
xfs: fix incorrect extent state in xfs_bmap_add_extent_unwritten_real
xfs: fix log block underflow during recovery cycle verification
l2tp: cleanup l2tp_tunnel_delete calls
bcache: fix wrong cache_misses statistics
bcache: explicitly destroy mutex while exiting
GFS2: Take inode off order_write list when setting jdata flag
thermal/drivers/step_wise: Fix temperature regulation misbehavior
ppp: Destroy the mutex when cleanup
clk: tegra: Fix cclk_lp divisor register
clk: imx6: refine hdmi_isfr's parent to make HDMI work on i.MX6 SoCs w/o VPU
clk: mediatek: add the option for determining PLL source clock
mm: Handle 0 flags in _calc_vm_trans() macro
crypto: tcrypt - fix buffer lengths in test_aead_speed()
arm-ccn: perf: Prevent module unload while PMU is in use
target/file: Do not return error for UNMAP if length is zero
target:fix condition return in core_pr_dump_initiator_port()
iscsi-target: fix memory leak in lio_target_tiqn_addtpg()
target/iscsi: Fix a race condition in iscsit_add_reject_from_cmd()
powerpc/ipic: Fix status get and status clear
powerpc/opal: Fix EBUSY bug in acquiring tokens
netfilter: ipvs: Fix inappropriate output of procfs
powerpc/powernv/cpufreq: Fix the frequency read by /proc/cpuinfo
PCI/PME: Handle invalid data when reading Root Status
dmaengine: ti-dma-crossbar: Correct am335x/am43xx mux value type
rtc: pcf8563: fix output clock rate
video: fbdev: au1200fb: Return an error code if a memory allocation fails
video: fbdev: au1200fb: Release some resources if a memory allocation fails
video: udlfb: Fix read EDID timeout
fbdev: controlfb: Add missing modes to fix out of bounds access
sfc: don't warn on successful change of MAC
target: fix race during implicit transition work flushes
target: fix ALUA transition timeout handling
target: Use system workqueue for ALUA transitions
btrfs: add missing memset while reading compressed inline extents
NFSv4.1 respect server's max size in CREATE_SESSION
efi/esrt: Cleanup bad memory map log messages
perf symbols: Fix symbols__fixup_end heuristic for corner cases
net/mlx4_core: Avoid delays during VF driver device shutdown
afs: Fix afs_kill_pages()
afs: Fix page leak in afs_write_begin()
afs: Populate and use client modification time
afs: Fix the maths in afs_fs_store_data()
afs: Prevent callback expiry timer overflow
afs: Migrate vlocation fields to 64-bit
afs: Flush outstanding writes when an fd is closed
afs: Adjust mode bits processing
afs: Populate group ID from vnode status
afs: Fix missing put_page()
drm/radeon: reinstate oland workaround for sclk
mmc: mediatek: Fixed bug where clock frequency could be set wrong
sched/deadline: Use deadline instead of period when calculating overflow
sched/deadline: Throttle a constrained deadline task activated after the deadline
sched/deadline: Make sure the replenishment timer fires in the next period
drm/radeon/si: add dpm quirk for Oland
fjes: Fix wrong netdevice feature flags
scsi: hpsa: limit outstanding rescans
scsi: hpsa: update check for logical volume status
openrisc: fix issue handling 8 byte get_user calls
intel_th: pci: Add Gemini Lake support
mlxsw: reg: Fix SPVMLR max record count
mlxsw: reg: Fix SPVM max record count
net: Resend IGMP memberships upon peer notification.
dmaengine: Fix array index out of bounds warning in __get_unmap_pool()
net: wimax/i2400m: fix NULL-deref at probe
writeback: fix memory leak in wb_queue_work()
netfilter: bridge: honor frag_max_size when refragmenting
drm/omap: fix dmabuf mmap for dma_alloc'ed buffers
Input: i8042 - add TUXEDO BU1406 (N24_25BU) to the nomux list
NFSD: fix nfsd_reset_versions for NFSv4.
NFSD: fix nfsd_minorversion(.., NFSD_AVAIL)
net: bcmgenet: Power up the internal PHY before probing the MII
net: bcmgenet: power down internal phy if open or resume fails
net: bcmgenet: reserved phy revisions must be checked first
net: bcmgenet: correct MIB access of UniMAC RUNT counters
net: bcmgenet: correct the RBUF_OVFL_CNT and RBUF_ERR_CNT MIB values
net: initialize msg.msg_flags in recvfrom
userfaultfd: selftest: vm: allow to build in vm/ directory
userfaultfd: shmem: __do_fault requires VM_FAULT_NOPAGE
md-cluster: free md_cluster_info if node leave cluster
usb: phy: isp1301: Add OF device ID table
mac80211: Fix addition of mesh configuration element
KEYS: add missing permission check for request_key() destination
ext4: fix crash when a directory's i_size is too small
ext4: fix fdatasync(2) after fallocate(2) operation
dmaengine: dmatest: move callback wait queue to thread context
sched/rt: Do not pull from current CPU if only one CPU to pull
xhci: Don't add a virt_dev to the devs array before it's fully allocated
Bluetooth: btusb: driver to enable the usb-wakeup feature
ceph: drop negative child dentries before try pruning inode's alias
usbip: fix stub_send_ret_submit() vulnerability to null transfer_buffer
USB: core: prevent malicious bNumInterfaces overflow
USB: uas and storage: Add US_FL_BROKEN_FUA for another JMicron JMS567 ID
tracing: Allocate mask_str buffer dynamically
autofs: fix careless error in recent commit
crypto: salsa20 - fix blkcipher_walk API usage
crypto: hmac - require that the underlying hash algorithm is unkeyed
UPSTREAM: arm64: setup: introduce kaslr_offset()
UPSTREAM: kcov: fix comparison callback signature
UPSTREAM: kcov: support comparison operands collection
UPSTREAM: kcov: remove pointless current != NULL check
UPSTREAM: kcov: support compat processes
UPSTREAM: kcov: simplify interrupt check
UPSTREAM: kcov: make kcov work properly with KASLR enabled
UPSTREAM: kcov: add more missing includes
UPSTREAM: kcov: add missing #include <linux/sched.h>
UPSTREAM: kcov: properly check if we are in an interrupt
UPSTREAM: kcov: don't profile branches in kcov
UPSTREAM: kcov: don't trace the code coverage code
BACKPORT: kernel: add kcov code coverage
Conflicts:
Makefile
mm/kasan/Makefile
scripts/Makefile.lib
Change-Id: Ic19953706ea2e700621b0ba94d1c90bbffa4f471
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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kcov provides code coverage collection for coverage-guided fuzzing
(randomized testing). Coverage-guided fuzzing is a testing technique
that uses coverage feedback to determine new interesting inputs to a
system. A notable user-space example is AFL
(http://lcamtuf.coredump.cx/afl/). However, this technique is not
widely used for kernel testing due to missing compiler and kernel
support.
kcov does not aim to collect as much coverage as possible. It aims to
collect more or less stable coverage that is function of syscall inputs.
To achieve this goal it does not collect coverage in soft/hard
interrupts and instrumentation of some inherently non-deterministic or
non-interesting parts of kernel is disbled (e.g. scheduler, locking).
Currently there is a single coverage collection mode (tracing), but the
API anticipates additional collection modes. Initially I also
implemented a second mode which exposes coverage in a fixed-size hash
table of counters (what Quentin used in his original patch). I've
dropped the second mode for simplicity.
This patch adds the necessary support on kernel side. The complimentary
compiler support was added in gcc revision 231296.
We've used this support to build syzkaller system call fuzzer, which has
found 90 kernel bugs in just 2 months:
https://github.com/google/syzkaller/wiki/Found-Bugs
We've also found 30+ bugs in our internal systems with syzkaller.
Another (yet unexplored) direction where kcov coverage would greatly
help is more traditional "blob mutation". For example, mounting a
random blob as a filesystem, or receiving a random blob over wire.
Why not gcov. Typical fuzzing loop looks as follows: (1) reset
coverage, (2) execute a bit of code, (3) collect coverage, repeat. A
typical coverage can be just a dozen of basic blocks (e.g. an invalid
input). In such context gcov becomes prohibitively expensive as
reset/collect coverage steps depend on total number of basic
blocks/edges in program (in case of kernel it is about 2M). Cost of
kcov depends only on number of executed basic blocks/edges. On top of
that, kernel requires per-thread coverage because there are always
background threads and unrelated processes that also produce coverage.
With inlined gcov instrumentation per-thread coverage is not possible.
kcov exposes kernel PCs and control flow to user-space which is
insecure. But debugfs should not be mapped as user accessible.
Based on a patch by Quentin Casasnovas.
[akpm@linux-foundation.org: make task_struct.kcov_mode have type `enum kcov_mode']
[akpm@linux-foundation.org: unbreak allmodconfig]
[akpm@linux-foundation.org: follow x86 Makefile layout standards]
Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: syzkaller <syzkaller@googlegroups.com>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Tavis Ormandy <taviso@google.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Kostya Serebryany <kcc@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Kees Cook <keescook@google.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: David Drysdale <drysdale@google.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Bug: 64145065
(cherry-picked from 5c9a8750a6409c63a0f01d51a9024861022f6593)
Change-Id: I17b5e04f6e89b241924e78ec32ead79c38b860ce
Signed-off-by: Paul Lawrence <paullawrence@google.com>
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* refs/heads/tmp-aed4c54
Linux 4.4.96
Revert "drm: bridge: add DT bindings for TI ths8135"
ecryptfs: fix dereference of NULL user_key_payload
x86/microcode/intel: Disable late loading on model 79
regulator: fan53555: fix I2C device ids
can: kvaser_usb: Ignore CMD_FLUSH_QUEUE_REPLY messages
can: kvaser_usb: Correct return value in printout
can: sun4i: fix loopback mode
scsi: sg: Re-fix off by one in sg_fill_request_table()
scsi: zfcp: fix erp_action use-before-initialize in REC action trace
assoc_array: Fix a buggy node-splitting case
Input: gtco - fix potential out-of-bound access
Input: elan_i2c - add ELAN0611 to the ACPI table
xen/gntdev: avoid out of bounds access in case of partial gntdev_mmap()
fuse: fix READDIRPLUS skipping an entry
spi: uapi: spidev: add missing ioctl header
usb: xhci: Handle error condition in xhci_stop_device()
ceph: unlock dangling spinlock in try_flush_caps()
ALSA: hda - fix headset mic problem for Dell machines with alc236
ALSA: hda/realtek - Add support for ALC236/ALC3204
workqueue: replace pool->manager_arb mutex with a flag
sched: EAS: upmigrate misfit current task
sched: avoid pushing tasks to an offline CPU
sched: Extend active balance to accept 'push_task' argument
Revert "sched/core: Warn if ENERGY_AWARE is enabled but data is missing"
Revert "sched/core: fix have_sched_energy_data build warning"
FROMLIST: kbuild: clang: fix build failures with sparse check
Revert "Revert "UPSTREAM: efi/libstub/arm64: Set -fpie when building the EFI stub""
BACKPORT: efi/libstub: Unify command line param parsing
Conflicts:
drivers/usb/host/xhci-hub.c
kernel/sched/core.c
kernel/sched/fair.c
Change-Id: Ie36ce5de516f02b2d553043009d9afee64e7ff24
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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stub""
In isolation, the original change will break building efistub for ARM64
with gcc. This wasn't an issue upstream due to the earlier change
60f38de7a8d4 ("efi/libstub: Unify command line param parsing"). That's
now been backported to AOSP too.
This reverts commit 89805266af7825f6b8ccb8ff23a8e3aec4418dea.
Change-Id: I44eff2d17809b18181e2084abaf129ca4e2eb8d6
Signed-off-by: Greg Hackmann <ghackmann@google.com>
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Merge the parsing of the command line carried out in arm-stub.c with
the handling in efi_parse_options(). Note that this also fixes the
missing handling of CONFIG_CMDLINE_FORCE=y, in which case the builtin
command line should supersede the one passed by the firmware.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bhe@redhat.com
Cc: bhsharma@redhat.com
Cc: bp@alien8.de
Cc: eugene@hp.com
Cc: evgeny.kalugin@intel.com
Cc: jhugo@codeaurora.org
Cc: leif.lindholm@linaro.org
Cc: linux-efi@vger.kernel.org
Cc: mark.rutland@arm.com
Cc: roy.franz@cavium.com
Cc: rruigrok@codeaurora.org
Link: http://lkml.kernel.org/r/20170404160910.28115-1-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit 60f38de7a8d4e816100ceafd1b382df52527bd50)
Change-Id: I936ac5f634bc677fa3dcc2f7bdc8b1b06603d57a
Signed-off-by: Greg Hackmann <ghackmann@google.com>
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* refs/heads/tmp-ceee5bd
BACKPORT: arm64: relocatable: suppress R_AARCH64_ABS64 relocations in vmlinux
sched/core: fix have_sched_energy_data build warning
sched/core: Warn if ENERGY_AWARE is enabled but data is missing
sched: walt: Correct WALT window size initialization
FROMLIST: sched/fair: Use wake_q length as a hint for wake_wide
sched: WALT: account cumulative window demand
sched/fair: remove useless variable in find_best_target
sched/tune: access schedtune_initialized under CGROUP_SCHEDTUNE
sched/fair: consider task utilization in group_max_util()
sched/fair: consider task utilization in group_norm_util()
sched/fair: enforce EAS mode
sched/fair: ignore backup CPU when not valid
sched/fair: trace energy_diff for non boosted tasks
UPSTREAM: sched/fair: Sync task util before slow-path wakeup
UPSTREAM: sched/fair: Fix usage of find_idlest_group() when the local group is idlest
UPSTREAM: sched/fair: Fix usage of find_idlest_group() when no groups are allowed
BACKPORT: sched/fair: Fix find_idlest_group when local group is not allowed
UPSTREAM: sched/fair: Remove unnecessary comparison with -1
BACKPORT: sched/fair: Move select_task_rq_fair slow-path into its own function
UPSTREAM: sched/fair: Force balancing on nohz balance if local group has capacity
UPSTREAM: sched/core: Add missing update_rq_clock() call in set_user_nice()
UPSTREAM: sched/core: Add missing update_rq_clock() call for task_hot()
UPSTREAM: sched/core: Add missing update_rq_clock() in detach_task_cfs_rq()
UPSTREAM: sched/core: Add missing update_rq_clock() in post_init_entity_util_avg()
UPSTREAM: sched/core: Fix find_idlest_group() for fork
BACKPORT: sched/fair: Fix PELT integrity for new tasks
BACKPORT: sched/cgroup: Fix cpu_cgroup_fork() handling
UPSTREAM: sched/fair: Fix and optimize the fork() path
BACKPORT: sched/fair: Make it possible to account fair load avg consistently
cpufreq/sched: Consider max cpu capacity when choosing frequencies
Linux 4.4.95
FS-Cache: fix dereference of NULL user_key_payload
fscrypto: require write access to mount to set encryption policy
KEYS: Fix race between updating and finding a negative key
fscrypt: fix dereference of NULL user_key_payload
f2fs crypto: add missing locking for keyring_key access
f2fs crypto: replace some BUG_ON()'s with error checks
sched/autogroup: Fix autogroup_move_group() to never skip sched_move_task()
parisc: Fix double-word compare and exchange in LWS code on 32-bit kernels
parisc: Avoid trashing sr2 and sr3 in LWS code
pkcs7: Prevent NULL pointer dereference, since sinfo is not always set.
KEYS: don't let add_key() update an uninstantiated key
lib/digsig: fix dereference of NULL user_key_payload
KEYS: encrypted: fix dereference of NULL user_key_payload
rtlwifi: rtl8821ae: Fix connection lost problem
clockevents/drivers/cs5535: Improve resilience to spurious interrupts
bus: mbus: fix window size calculation for 4GB windows
brcmsmac: make some local variables 'static const' to reduce stack size
i2c: ismt: Separate I2C block read from SMBus block read
ALSA: hda: Remove superfluous '-' added by printk conversion
ALSA: seq: Enable 'use' locking in all configurations
drm/nouveau/mmu: flush tlbs before deleting page tables
drm/nouveau/bsp/g92: disable by default
can: esd_usb2: Fix can_dlc value for received RTR, frames
usb: musb: Check for host-mode using is_host_active() on reset interrupt
usb: musb: sunxi: Explicitly release USB PHY on exit
can: gs_usb: fix busy loop if no more TX context is available
ALSA: usb-audio: Add native DSD support for Pro-Ject Pre Box S2 Digital
usb: hub: Allow reset retry for USB2 devices on connect bounce
usb: quirks: add quirk for WORLDE MINI MIDI keyboard
usb: cdc_acm: Add quirk for Elatec TWN3
USB: serial: metro-usb: add MS7820 device id
USB: core: fix out-of-bounds access bug in usb_get_bos_descriptor()
USB: devio: Revert "USB: devio: Don't corrupt user memory"
ANDROID: binder: show high watermark of alloc->pages.
ANDROID: binder: Add thread->process_todo flag.
UPSTREAM: arm64: compat: Remove leftover variable declaration
ANDROID: sched/fair: Select correct capacity state for energy_diff
Revert "UPSTREAM: efi/libstub/arm64: Set -fpie when building the EFI stub"
cpufreq: schedutil: clamp util to CPU maximum capacity
FROMLIST: android: binder: Fix null ptr dereference in debug msg
FROMLIST: android: binder: Change binder_shrinker to static
cpufreq/sched: Use cpu max freq rather than policy max
Conflicts:
include/linux/sched.h
kernel/sched/core.c
kernel/sched/fair.c
Change-Id: I2751f851df741f00e797deaf2119872b3dced655
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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It break boot with UEFI bootloader
This reverts commit 2f2860a504a30a7645c6a0ec06767c5c7677a4ea.
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* refs/heads/tmp-d6fbbe5
Linux 4.4.93
x86/alternatives: Fix alt_max_short macro to really be a max()
USB: serial: console: fix use-after-free after failed setup
USB: serial: qcserial: add Dell DW5818, DW5819
USB: serial: option: add support for TP-Link LTE module
USB: serial: cp210x: add support for ELV TFD500
USB: serial: ftdi_sio: add id for Cypress WICED dev board
fix unbalanced page refcounting in bio_map_user_iov
direct-io: Prevent NULL pointer access in submit_page_section
usb: gadget: composite: Fix use-after-free in usb_composite_overwrite_options
ALSA: line6: Fix leftover URB at error-path during probe
ALSA: caiaq: Fix stray URB at probe error path
ALSA: seq: Fix copy_from_user() call inside lock
ALSA: seq: Fix use-after-free at creating a port
ALSA: usb-audio: Kill stray URB at exiting
iommu/amd: Finish TLB flush in amd_iommu_unmap()
usb: renesas_usbhs: Fix DMAC sequence for receiving zero-length packet
KVM: nVMX: fix guest CR4 loading when emulating L2 to L1 exit
crypto: shash - Fix zero-length shash ahash digest crash
HID: usbhid: fix out-of-bounds bug
dmaengine: edma: Align the memcpy acnt array size with the transfer
MIPS: math-emu: Remove pr_err() calls from fpu_emu()
USB: dummy-hcd: Fix deadlock caused by disconnect detection
rcu: Allow for page faults in NMI handlers
iwlwifi: mvm: use IWL_HCMD_NOCOPY for MCAST_FILTER_CMD
nl80211: Define policy for packet pattern attributes
CIFS: Reconnect expired SMB sessions
ext4: in ext4_seek_{hole,data}, return -ENXIO for negative offsets
brcmfmac: add length check in brcmf_cfg80211_escan_handler()
ANDROID: HACK: arm64: use -mno-implicit-float instead of -mgeneral-regs-only
sched: Update task->on_rq when tasks are moving between runqueues
FROMLIST: f2fs: expose some sectors to user in inline data or dentry case
crypto: Work around deallocated stack frame reference gcc bug on sparc.
UPSTREAM: f2fs: fix potential panic during fstrim
ANDROID: fscrypt: remove unnecessary fscrypto.h
ANDROID: binder: fix node sched policy calculation
ANDROID: Kbuild, LLVMLinux: allow overriding clang target triple
CHROMIUM: arm64: Disable asm-operand-width warning for clang
CHROMIUM: kbuild: clang: Disable the 'duplicate-decl-specifier' warning
UPSTREAM: x86/build: Use cc-option to validate stack alignment parameter
UPSTREAM: x86/build: Fix stack alignment for CLang
UPSTREAM: efi/libstub/arm64: Set -fpie when building the EFI stub
BACKPORT: efi/libstub/arm64: Force 'hidden' visibility for section markers
UPSTREAM: compiler, clang: always inline when CONFIG_OPTIMIZE_INLINING is disabled
UPSTREAM: x86/boot: #undef memcpy() et al in string.c
UPSTREAM: crypto: arm64/sha - avoid non-standard inline asm tricks
UPSTREAM: kbuild: clang: Disable 'address-of-packed-member' warning
UPSTREAM: x86/build: Specify stack alignment for clang
UPSTREAM: x86/build: Use __cc-option for boot code compiler options
BACKPORT: kbuild: Add __cc-option macro
UPSTREAM: x86/hweight: Don't clobber %rdi
BACKPORT: x86/hweight: Get rid of the special calling convention
BACKPORT: x86/mm/kaslr: Use the _ASM_MUL macro for multiplication to work around Clang incompatibility
UPSTREAM: crypto, x86: aesni - fix token pasting for clang
UPSTREAM: x86/kbuild: Use cc-option to enable -falign-{jumps/loops}
UPSTREAM: compiler, clang: properly override 'inline' for clang
UPSTREAM: compiler, clang: suppress warning for unused static inline functions
UPSTREAM: Kbuild: provide a __UNIQUE_ID for clang
UPSTREAM: modules: mark __inittest/__exittest as __maybe_unused
BACKPORT: kbuild: Add support to generate LLVM assembly files
UPSTREAM: kbuild: use -Oz instead of -Os when using clang
BACKPORT: kbuild, LLVMLinux: Add -Werror to cc-option to support clang
UPSTREAM: kbuild: drop -Wno-unknown-warning-option from clang options
UPSTREAM: kbuild: fix asm-offset generation to work with clang
UPSTREAM: kbuild: consolidate redundant sed script ASM offset generation
UPSTREAM: kbuild: Consolidate header generation from ASM offset information
UPSTREAM: kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS
UPSTREAM: kbuild: Add better clang cross build support
Conflicts:
arch/x86/lib/Makefile
net/wireless/nl80211.c
Change-Id: I76032e8d1206903bc948b9ed918e7ddee7e746c7
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Clang may emit absolute symbol references when building in non-PIC mode,
even when using the default 'small' code model, which is already mostly
position independent to begin with, due to its use of adrp/add pairs
that have a relative range of +/- 4 GB. The remedy is to pass the -fpie
flag, which can be done safely now that the code has been updated to avoid
GOT indirections (which may be emitted due to the compiler assuming that
the PIC/PIE code may end up in a shared library that is subject to ELF
symbol preemption)
Passing -fpie when building code that needs to execute at an a priori
unknown offset is arguably an improvement in any case, and given that
the recent visibility changes allow the PIC build to pass with GCC as
well, let's add -fpie for all arm64 builds rather than only for Clang.
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20170818194947.19347-5-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit 91ee5b21ee026c49e4e7483de69b55b8b47042be)
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Change-Id: I0a011945239d39a2d1eb04c20bf1b9ceb7d2b91d
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To prevent the compiler from emitting absolute references to the section
markers when running in PIC mode, override the visibility to 'hidden' for
all contents of asm/sections.h
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/20170818194947.19347-4-ard.biesheuvel@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit 0426a4e68f18d75515414361de9e3e1445d2644e)
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Change-Id: Ia438c3f0aa6abdbd9057dfe1db732a25aa98ef40
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Since arm64 does not use a decompressor that supplies an execution
environment where it is feasible to some extent to provide a source of
randomness, the arm64 KASLR kernel depends on the bootloader to supply
some random bits in the /chosen/kaslr-seed DT property upon kernel entry.
On UEFI systems, we can use the EFI_RNG_PROTOCOL, if supplied, to obtain
some random bits. At the same time, use it to randomize the offset of the
kernel Image in physical memory.
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Bug: 30369029
Patchset: kaslr-arm64-4.4
(cherry picked from commit 2b5fe07a78a09a32002642b8a823428ade611f16)
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Change-Id: I9cb7ae5727dfdf3726b1c9544bce74722ec77bbd
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Before we can move the command line processing before the allocation
of the kernel, which is required for detecting the 'nokaslr' option
which controls that allocation, move the converted command line higher
up in memory, to prevent it from interfering with the kernel itself.
Since x86 needs the address to fit in 32 bits, use UINT_MAX as the upper
bound there. Otherwise, use ULONG_MAX (i.e., no limit)
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Bug: 30369029
Patchset: kaslr-arm64-4.4
(cherry picked from commit 48fcb2d0216103d15306caa4814e2381104df6d8)
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Change-Id: Ie959355658d3f2f1819bee842c77cc5eef54b8e7
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This implements efi_random_alloc(), which allocates a chunk of memory of
a certain size at a certain alignment, and uses the random_seed argument
it receives to randomize the address of the allocation.
This is implemented by iterating over the UEFI memory map, counting the
number of suitable slots (aligned offsets) within each region, and picking
a random number between 0 and 'number of slots - 1' to select the slot,
This should guarantee that each possible offset is chosen equally likely.
Suggested-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Bug: 30369029
Patchset: kaslr-arm64-4.4
(cherry picked from commit 2ddbfc81eac84a299cb4747a8764bc43f23e9008)
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Change-Id: I8f59e3e91a71c752d69fd08ca43a890977c82919
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This exposes the firmware's implementation of EFI_RNG_PROTOCOL via a new
function efi_get_random_bytes().
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Bug: 30369029
Patchset: kaslr-arm64-4.4
(cherry picked from commit e4fbf4767440472f9d23b0f25a2b905e1c63b6a8)
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Change-Id: Id46036b78c2efd223b6cd5488e512fd93e8f597d
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This moves the DISABLE_BRANCH_PROFILING define from the x86 specific
to the general CFLAGS definition for the stub. This fixes build errors
when building for arm64 with CONFIG_PROFILE_ALL_BRANCHES_ENABLED.
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Reported-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Bug: 30369029
Patchset: rework-pagetable
(cherry picked from commit b523e185bba36164ca48a190f5468c140d815414)
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Change-Id: Id5a2a3986adc60ddf3d247c038667ce9719f3ee0
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* origin/tmp-da9a92f:
arm64: kaslr: increase randomization granularity
arm64: relocatable: deal with physically misaligned kernel images
arm64: don't map TEXT_OFFSET bytes below the kernel if we can avoid it
arm64: kernel: replace early 64-bit literal loads with move-immediates
arm64: introduce mov_q macro to move a constant into a 64-bit register
arm64: kernel: perform relocation processing from ID map
arm64: kernel: use literal for relocated address of __secondary_switched
arm64: kernel: don't export local symbols from head.S
arm64: simplify kernel segment mapping granularity
arm64: cover the .head.text section in the .text segment mapping
arm64: move early boot code to the .init segment
arm64: use 'segment' rather than 'chunk' to describe mapped kernel regions
arm64: mm: Mark .rodata as RO
Linux 4.4.16
ovl: verify upper dentry before unlink and rename
drm/i915: Revert DisplayPort fast link training feature
tmpfs: fix regression hang in fallocate undo
tmpfs: don't undo fallocate past its last page
crypto: qat - make qat_asym_algs.o depend on asn1 headers
xen/acpi: allow xen-acpi-processor driver to load on Xen 4.7
File names with trailing period or space need special case conversion
cifs: dynamic allocation of ntlmssp blob
Fix reconnect to not defer smb3 session reconnect long after socket reconnect
53c700: fix BUG on untagged commands
s390: fix test_fp_ctl inline assembly contraints
scsi: fix race between simultaneous decrements of ->host_failed
ovl: verify upper dentry in ovl_remove_and_whiteout()
ovl: Copy up underlying inode's ->i_mode to overlay inode
ARM: mvebu: fix HW I/O coherency related deadlocks
ARM: dts: armada-38x: fix MBUS_ID for crypto SRAM on Armada 385 Linksys
ARM: sunxi/dt: make the CHIP inherit from allwinner,sun5i-a13
ALSA: hda: add AMD Stoney PCI ID with proper driver caps
ALSA: hda - fix use-after-free after module unload
ALSA: ctl: Stop notification after disconnection
ALSA: pcm: Free chmap at PCM free callback, too
ALSA: hda/realtek - add new pin definition in alc225 pin quirk table
ALSA: hda - fix read before array start
ALSA: hda - Add PCI ID for Kabylake-H
ALSA: hda/realtek: Add Lenovo L460 to docking unit fixup
ALSA: timer: Fix negative queue usage by racy accesses
ALSA: echoaudio: Fix memory allocation
ALSA: au88x0: Fix calculation in vortex_wtdma_bufshift()
ALSA: hda / realtek - add two more Thinkpad IDs (5050,5053) for tpt460 fixup
ALSA: hda - Fix the headset mic jack detection on Dell machine
ALSA: dummy: Fix a use-after-free at closing
hwmon: (dell-smm) Cache fan_type() calls and change fan detection
hwmon: (dell-smm) Disallow fan_type() calls on broken machines
hwmon: (dell-smm) Restrict fan control and serial number to CAP_SYS_ADMIN by default
tty/vt/keyboard: fix OOB access in do_compute_shiftstate()
tty: vt: Fix soft lockup in fbcon cursor blink timer.
iio:ad7266: Fix probe deferral for vref
iio:ad7266: Fix support for optional regulators
iio:ad7266: Fix broken regulator error handling
iio: accel: kxsd9: fix the usage of spi_w8r8()
staging: iio: accel: fix error check
iio: hudmidity: hdc100x: fix incorrect shifting and scaling
iio: humidity: hdc100x: fix IIO_TEMP channel reporting
iio: humidity: hdc100x: correct humidity integration time mask
iio: proximity: as3935: fix buffer stack trashing
iio: proximity: as3935: remove triggered buffer processing
iio: proximity: as3935: correct IIO_CHAN_INFO_RAW output
iio: light apds9960: Add the missing dev.parent
iio:st_pressure: fix sampling gains (bring inline with ABI)
iio: Fix error handling in iio_trigger_attach_poll_func
xen/balloon: Fix declared-but-not-defined warning
perf/x86: Fix undefined shift on 32-bit kernels
memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing
drm/vmwgfx: Fix error paths when mapping framebuffer
drm/vmwgfx: Delay pinning fbdev framebuffer until after mode set
drm/vmwgfx: Check pin count before attempting to move a buffer
drm/vmwgfx: Work around mode set failure in 2D VMs
drm/vmwgfx: Add an option to change assumed FB bpp
drm/ttm: Make ttm_bo_mem_compat available
drm: atmel-hlcdc: actually disable scaling when no scaling is required
drm: make drm_atomic_set_mode_prop_for_crtc() more reliable
drm: add missing drm_mode_set_crtcinfo call
drm/i915: Update CDCLK_FREQ register on BDW after changing cdclk frequency
drm/i915: Update ifdeffery for mutex->owner
drm/i915: Refresh cached DP port register value on resume
drm/i915/ilk: Don't disable SSC source if it's in use
drm/nouveau/disp/sor/gf119: select correct sor when poking training pattern
drm/nouveau: fix for disabled fbdev emulation
drm/nouveau/fbcon: fix out-of-bounds memory accesses
drm/nouveau/gr/gf100-: update sm error decoding from gk20a nvgpu headers
drm/nouveau/disp/sor/gf119: both links use the same training register
virtio_balloon: fix PFN format for virtio-1
drm/dp/mst: Always clear proposed vcpi table for port.
drm/amdkfd: destroy dbgmgr in notifier release
drm/amdkfd: unbind only existing processes
ubi: Make recover_peb power cut aware
drm/amdgpu/gfx7: fix broken condition check
drm/radeon: fix asic initialization for virtualized environments
btrfs: account for non-CoW'd blocks in btrfs_abort_transaction
percpu: fix synchronization between synchronous map extension and chunk destruction
percpu: fix synchronization between chunk->map_extend_work and chunk destruction
af_unix: fix hard linked sockets on overlay
vfs: add d_real_inode() helper
arm64: Rework valid_user_regs
ipmi: Remove smi_msg from waiting_rcv_msgs list before handle_one_recv_msg()
drm/mgag200: Black screen fix for G200e rev 4
iommu/amd: Fix unity mapping initialization race
iommu/vt-d: Enable QI on all IOMMUs before setting root entry
iommu/arm-smmu: Wire up map_sg for arm-smmu-v3
base: make module_create_drivers_dir race-free
tracing: Handle NULL formats in hold_module_trace_bprintk_format()
HID: multitouch: enable palm rejection for Windows Precision Touchpad
HID: hiddev: validate num_values for HIDIOCGUSAGES, HIDIOCSUSAGES commands
HID: elo: kill not flush the work
KVM: nVMX: VMX instructions: fix segment checks when L1 is in long mode.
kvm: Fix irq route entries exceeding KVM_MAX_IRQ_ROUTES
KEYS: potential uninitialized variable
ARCv2: LLSC: software backoff is NOT needed starting HS2.1c
ARCv2: Check for LL-SC livelock only if LLSC is enabled
ipv6: Fix mem leak in rt6i_pcpu
cdc_ncm: workaround for EM7455 "silent" data interface
net_sched: fix mirrored packets checksum
packet: Use symmetric hash for PACKET_FANOUT_HASH.
sched/fair: Fix cfs_rq avg tracking underflow
UBIFS: Implement ->migratepage()
mm: Export migrate_page_move_mapping and migrate_page_copy
MIPS: KVM: Fix modular KVM under QEMU
ARM: 8579/1: mm: Fix definition of pmd_mknotpresent
ARM: 8578/1: mm: ensure pmd_present only checks the valid bit
ARM: imx6ul: Fix Micrel PHY mask
NFS: Fix another OPEN_DOWNGRADE bug
make nfs_atomic_open() call d_drop() on all ->open_context() errors.
nfsd: check permissions when setting ACLs
posix_acl: Add set_posix_acl
nfsd: Extend the mutex holding region around in nfsd4_process_open2()
nfsd: Always lock state exclusively.
nfsd4/rpc: move backchannel create logic into rpc code
writeback: use higher precision calculation in domain_dirty_limits()
thermal: cpu_cooling: fix improper order during initialization
uvc: Forward compat ioctls to their handlers directly
Revert "gpiolib: Split GPIO flags parsing and GPIO configuration"
x86/amd_nb: Fix boot crash on non-AMD systems
kprobes/x86: Clear TF bit in fault on single-stepping
x86, build: copy ldlinux.c32 to image.iso
locking/static_key: Fix concurrent static_key_slow_inc()
locking/qspinlock: Fix spin_unlock_wait() some more
locking/ww_mutex: Report recursive ww_mutex locking early
of: irq: fix of_irq_get[_byname]() kernel-doc
of: fix autoloading due to broken modalias with no 'compatible'
mnt: If fs_fully_visible fails call put_filesystem.
mnt: Account for MS_RDONLY in fs_fully_visible
mnt: fs_fully_visible test the proper mount for MNT_LOCKED
usb: common: otg-fsm: add license to usb-otg-fsm
USB: EHCI: declare hostpc register as zero-length array
usb: dwc2: fix regression on big-endian PowerPC/ARM systems
powerpc/tm: Always reclaim in start_thread() for exec() class syscalls
powerpc/pseries: Fix IBM_ARCH_VEC_NRCORES_OFFSET since POWER8NVL was added
powerpc/pseries: Fix PCI config address for DDW
powerpc/iommu: Remove the dependency on EEH struct in DDW mechanism
IB/mlx4: Properly initialize GRH TClass and FlowLabel in AHs
IB/cm: Fix a recently introduced locking bug
EDAC, sb_edac: Fix rank lookup on Broadwell
mac80211: Fix mesh estab_plinks counting in STA removal case
mac80211_hwsim: Add missing check for HWSIM_ATTR_SIGNAL
mac80211: mesh: flush mesh paths unconditionally
mac80211: fix fast_tx header alignment
Linux 4.4.15
usb: dwc3: exynos: Fix deferred probing storm.
usb: host: ehci-tegra: Grab the correct UTMI pads reset
usb: gadget: fix spinlock dead lock in gadgetfs
USB: mos7720: delete parport
xhci: Fix handling timeouted commands on hosts in weird states.
USB: xhci: Add broken streams quirk for Frescologic device id 1009
usb: xhci-plat: properly handle probe deferral for devm_clk_get()
xhci: Cleanup only when releasing primary hcd
usb: musb: host: correct cppi dma channel for isoch transfer
usb: musb: Ensure rx reinit occurs for shared_fifo endpoints
usb: musb: Stop bulk endpoint while queue is rotated
usb: musb: only restore devctl when session was set in backup
usb: quirks: Add no-lpm quirk for Acer C120 LED Projector
usb: quirks: Fix sorting
USB: uas: Fix slave queue_depth not being set
crypto: user - re-add size check for CRYPTO_MSG_GETALG
crypto: ux500 - memmove the right size
crypto: vmx - Increase priority of aes-cbc cipher
AX.25: Close socket connection on session completion
bpf: try harder on clones when writing into skb
net: alx: Work around the DMA RX overflow issue
net: macb: fix default configuration for GMAC on AT91
neigh: Explicitly declare RCU-bh read side critical section in neigh_xmit()
bpf, perf: delay release of BPF prog after grace period
sock_diag: do not broadcast raw socket destruction
Bridge: Fix ipv6 mc snooping if bridge has no ipv6 address
ipmr/ip6mr: Initialize the last assert time of mfc entries.
netem: fix a use after free
esp: Fix ESN generation under UDP encapsulation
sit: correct IP protocol used in ipip6_err
net: Don't forget pr_fmt on net_dbg_ratelimited for CONFIG_DYNAMIC_DEBUG
net_sched: fix pfifo_head_drop behavior vs backlog
sdcardfs: Truncate packages_gid.list on overflow
UPSTREAM: cdc_ncm: do not call usbnet_link_change from cdc_ncm_bind
BACKPORT: proc: add /proc/<pid>/timerslack_ns interface
BACKPORT: timer: convert timer_slack_ns from unsigned long to u64
netfilter: xt_quota2: make quota2_log work well
Revert "usb: gadget: prevent change of Host MAC address of 'usb0' interface"
BACKPORT: PM / sleep: Go direct_complete if driver has no callbacks
ANDROID: base-cfg: enable UID_CPUTIME
UPSTREAM: USB: usbfs: fix potential infoleak in devio
UPSTREAM: ALSA: timer: Fix leak in events via snd_timer_user_ccallback
UPSTREAM: ALSA: timer: Fix leak in events via snd_timer_user_tinterrupt
UPSTREAM: ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS
ANDROID: configs: remove unused configs
ANDROID: cpu: send KOBJ_ONLINE event when enabling cpus
ANDROID: dm verity fec: initialize recursion level
ANDROID: dm verity fec: fix RS block calculation
Linux 4.4.14
netfilter: x_tables: introduce and use xt_copy_counters_from_user
netfilter: x_tables: do compat validation via translate_table
netfilter: x_tables: xt_compat_match_from_user doesn't need a retval
netfilter: ip6_tables: simplify translate_compat_table args
netfilter: ip_tables: simplify translate_compat_table args
netfilter: arp_tables: simplify translate_compat_table args
netfilter: x_tables: don't reject valid target size on some architectures
netfilter: x_tables: validate all offsets and sizes in a rule
netfilter: x_tables: check for bogus target offset
netfilter: x_tables: check standard target size too
netfilter: x_tables: add compat version of xt_check_entry_offsets
netfilter: x_tables: assert minimum target size
netfilter: x_tables: kill check_entry helper
netfilter: x_tables: add and use xt_check_entry_offsets
netfilter: x_tables: validate targets of jumps
netfilter: x_tables: don't move to non-existent next rule
drm/core: Do not preserve framebuffer on rmfb, v4.
crypto: qat - fix adf_ctl_drv.c:undefined reference to adf_init_pf_wq
netfilter: x_tables: fix unconditional helper
netfilter: x_tables: make sure e->next_offset covers remaining blob size
netfilter: x_tables: validate e->target_offset early
MIPS: Fix 64k page support for 32 bit kernels.
sparc64: Fix return from trap window fill crashes.
sparc: Harden signal return frame checks.
sparc64: Take ctx_alloc_lock properly in hugetlb_setup().
sparc64: Reduce TLB flushes during hugepte changes
sparc/PCI: Fix for panic while enabling SR-IOV
sparc64: Fix sparc64_set_context stack handling.
sparc64: Fix numa node distance initialization
sparc64: Fix bootup regressions on some Kconfig combinations.
sparc: Fix system call tracing register handling.
fix d_walk()/non-delayed __d_free() race
sched: panic on corrupted stack end
proc: prevent stacking filesystems on top
x86/entry/traps: Don't force in_interrupt() to return true in IST handlers
wext: Fix 32 bit iwpriv compatibility issue with 64 bit Kernel
ecryptfs: forbid opening files without mmap handler
memcg: add RCU locking around css_for_each_descendant_pre() in memcg_offline_kmem()
parisc: Fix pagefault crash in unaligned __get_user() call
pinctrl: mediatek: fix dual-edge code defect
powerpc/pseries: Add POWER8NVL support to ibm,client-architecture-support call
powerpc: Use privileged SPR number for MMCR2
powerpc: Fix definition of SIAR and SDAR registers
powerpc/pseries/eeh: Handle RTAS delay requests in configure_bridge
arm64: mm: always take dirty state from new pte in ptep_set_access_flags
arm64: Provide "model name" in /proc/cpuinfo for PER_LINUX32 tasks
crypto: ccp - Fix AES XTS error for request sizes above 4096
crypto: public_key: select CRYPTO_AKCIPHER
irqchip/gic-v3: Fix ICC_SGI1R_EL1.INTID decoding mask
s390/bpf: reduce maximum program size to 64 KB
s390/bpf: fix recache skb->data/hlen for skb_vlan_push/pop
gpio: bcm-kona: fix bcm_kona_gpio_reset() warnings
ARM: fix PTRACE_SETVFPREGS on SMP systems
ALSA: hda/realtek: Add T560 docking unit fixup
ALSA: hda/realtek - Add support for new codecs ALC700/ALC701/ALC703
ALSA: hda/realtek - ALC256 speaker noise issue
ALSA: hda - Fix headset mic detection problem for Dell machine
ALSA: hda - Add PCI ID for Kabylake
KVM: irqfd: fix NULL pointer dereference in kvm_irq_map_gsi
KVM: x86: fix OOPS after invalid KVM_SET_DEBUGREGS
vxlan, gre, geneve: Set a large MTU on ovs-created tunnel devices
geneve: Relax MTU constraints
vxlan: Relax MTU constraints
ipv6: Skip XFRM lookup if dst_entry in socket cache is valid
l2tp: fix configuration passed to setup_udp_tunnel_sock()
bridge: Don't insert unnecessary local fdb entry on changing mac address
tcp: record TLP and ER timer stats in v6 stats
vxlan: Accept user specified MTU value when create new vxlan link
team: don't call netdev_change_features under team->lock
sfc: on MC reset, clear PIO buffer linkage in TXQs
bpf, inode: disallow userns mounts
uapi glibc compat: fix compilation when !__USE_MISC in glibc
udp: prevent skbs lingering in tunnel socket queues
bpf: Use mount_nodev not mount_ns to mount the bpf filesystem
tuntap: correctly wake up process during uninit
switchdev: pass pointer to fib_info instead of copy
tipc: fix nametable publication field in nl compat
netlink: Fix dump skb leak/double free
tipc: check nl sock before parsing nested attributes
scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist
scsi_lib: correctly retry failed zero length REQ_TYPE_FS commands
cs-etm: associating output packet with CPU they executed on
cs-etm: removing unecessary structure field
cs-etm: account for each trace buffer in the queue
cs-etm: avoid casting variable
perf tools: fixing Makefile problems
perf tools: new naming convention for openCSD
perf scripts: Add python scripts for CoreSight traces
perf tools: decoding capailitity for CoreSight traces
perf symbols: Check before overwriting build_id
perf tools: pushing driver configuration down to the kernel
perf tools: add infrastructure for PMU specific configuration
coresight: etm-perf: incorporating sink definition from the cmd line
coresight: adding sink parameter to function coresight_build_path()
perf: passing struct perf_event to function setup_aux()
perf/core: adding PMU driver specific configuration
perf tools: adding coresight etm PMU record capabilities
perf tools: making coresight PMU listable
coresight: tmc: implementing TMC-ETR AUX space API
coresight: Add support for Juno platform
coresight: Handle build path error
coresight: Fix erroneous memset in tmc_read_unprepare_etr
coresight: Fix tmc_read_unprepare_etr
coresight: Fix NULL pointer dereference in _coresight_build_path
ANDROID: dm verity fec: add missing release from fec_ktype
ANDROID: dm verity fec: limit error correction recursion
ANDROID: restrict access to perf events
FROMLIST: security,perf: Allow further restriction of perf_event_open
BACKPORT: perf tools: Document the perf sysctls
Revert "armv6 dcc tty driver"
Revert "arm: dcc_tty: fix armv6 dcc tty build failure"
ARM64: Ignore Image-dtb from git point of view
arm64: add option to build Image-dtb
ANDROID: usb: gadget: f_midi: set fi->f to NULL when free f_midi function
Linux 4.4.13
xfs: handle dquot buffer readahead in log recovery correctly
xfs: print name of verifier if it fails
xfs: skip stale inodes in xfs_iflush_cluster
xfs: fix inode validity check in xfs_iflush_cluster
xfs: xfs_iflush_cluster fails to abort on error
xfs: Don't wrap growfs AGFL indexes
xfs: disallow rw remount on fs with unknown ro-compat features
gcov: disable tree-loop-im to reduce stack usage
scripts/package/Makefile: rpmbuild add support of RPMOPTS
dma-debug: avoid spinlock recursion when disabling dma-debug
PM / sleep: Handle failures in device_suspend_late() consistently
ext4: silence UBSAN in ext4_mb_init()
ext4: address UBSAN warning in mb_find_order_for_block()
ext4: fix oops on corrupted filesystem
ext4: clean up error handling when orphan list is corrupted
ext4: fix hang when processing corrupted orphaned inode list
drm/imx: Match imx-ipuv3-crtc components using device node in platform data
drm/i915: Don't leave old junk in ilk active watermarks on readout
drm/atomic: Verify connector->funcs != NULL when clearing states
drm/fb_helper: Fix references to dev->mode_config.num_connector
drm/i915/fbdev: Fix num_connector references in intel_fb_initial_config()
drm/amdgpu: Fix hdmi deep color support.
drm/amdgpu: use drm_mode_vrefresh() rather than mode->vrefresh
drm/vmwgfx: Fix order of operation
drm/vmwgfx: use vmw_cmd_dx_cid_check for query commands.
drm/vmwgfx: Enable SVGA_3D_CMD_DX_SET_PREDICATION
drm/gma500: Fix possible out of bounds read
sunrpc: fix stripping of padded MIC tokens
xen: use same main loop for counting and remapping pages
xen/events: Don't move disabled irqs
powerpc/eeh: Restore initial state in eeh_pe_reset_and_recover()
Revert "powerpc/eeh: Fix crash in eeh_add_device_early() on Cell"
powerpc/eeh: Don't report error in eeh_pe_reset_and_recover()
powerpc/book3s64: Fix branching to OOL handlers in relocatable kernel
pipe: limit the per-user amount of pages allocated in pipes
QE-UART: add "fsl,t1040-ucc-uart" to of_device_id
wait/ptrace: assume __WALL if the child is traced
mm: use phys_addr_t for reserve_bootmem_region() arguments
media: v4l2-compat-ioctl32: fix missing reserved field copy in put_v4l2_create32
PCI: Disable all BAR sizing for devices with non-compliant BARs
pinctrl: exynos5440: Use off-stack memory for pinctrl_gpio_range
clk: bcm2835: divider value has to be 1 or more
clk: bcm2835: pll_off should only update CM_PLL_ANARST
clk: at91: fix check of clk_register() returned value
clk: bcm2835: Fix PLL poweron
cpuidle: Fix cpuidle_state_is_coupled() argument in cpuidle_enter()
cpuidle: Indicate when a device has been unregistered
PM / Runtime: Fix error path in pm_runtime_force_resume()
mfd: intel_soc_pmic_core: Terminate panel control GPIO lookup table correctly
mfd: intel-lpss: Save register context on suspend
hwmon: (ads7828) Enable internal reference
aacraid: Fix for KDUMP driver hang
aacraid: Fix for aac_command_thread hang
aacraid: Relinquish CPU during timeout wait
rtlwifi: pci: use dev_kfree_skb_irq instead of kfree_skb in rtl_pci_reset_trx_ring
rtlwifi: Fix logic error in enter/exit power-save mode
rtlwifi: btcoexist: Implement antenna selection
rtlwifi: rtl8723be: Add antenna select module parameter
hwrng: exynos - Fix unbalanced PM runtime put on timeout error path
ath5k: Change led pin configuration for compaq c700 laptop
ath10k: fix kernel panic, move arvifs list head init before htt init
ath10k: fix rx_channel during hw reconfigure
ath10k: fix firmware assert in monitor mode
ath10k: fix debugfs pktlog_filter write
ath9k: Fix LED polarity for some Mini PCI AR9220 MB92 cards.
ath9k: Add a module parameter to invert LED polarity.
ARM: dts: imx35: restore existing used clock enumeration
ARM: dts: exynos: Add interrupt line to MAX8997 PMIC on exynos4210-trats
ARM: dts: at91: fix typo in sama5d2 PIN_PD24 description
ARM: mvebu: fix GPIO config on the Linksys boards
Input: uinput - handle compat ioctl for UI_SET_PHYS
ASoC: ak4642: Enable cache usage to fix crashes on resume
affs: fix remount failure when there are no options changed
MIPS: VDSO: Build with `-fno-strict-aliasing'
MIPS: lib: Mark intrinsics notrace
MIPS: Build microMIPS VDSO for microMIPS kernels
MIPS: Fix sigreturn via VDSO on microMIPS kernel
MIPS: ptrace: Prevent writes to read-only FCSR bits
MIPS: ptrace: Fix FP context restoration FCSR regression
MIPS: Disable preemption during prctl(PR_SET_FP_MODE, ...)
MIPS: Prevent "restoration" of MSA context in non-MSA kernels
MIPS: Fix MSA ld_*/st_* asm macros to use PTR_ADDU
MIPS: Use copy_s.fmt rather than copy_u.fmt
MIPS: Loongson-3: Reserve 32MB for RS780E integrated GPU
MIPS: Reserve nosave data for hibernation
MIPS: ath79: make bootconsole wait for both THRE and TEMT
MIPS: Sync icache & dcache in set_pte_at
MIPS: Handle highmem pages in __update_cache
MIPS: Flush highmem pages in __flush_dcache_page
MIPS: Fix watchpoint restoration
MIPS: Fix uapi include in exported asm/siginfo.h
MIPS: Fix siginfo.h to use strict posix types
MIPS: Avoid using unwind_stack() with usermode
MIPS: Don't unwind to user mode with EVA
MIPS: MSA: Fix a link error on `_init_msa_upper' with older GCC
MIPS: math-emu: Fix jalr emulation when rd == $0
MIPS64: R6: R2 emulation bugfix
coresight: etb10: adjust read pointer only when needed
coresight: configuring ETF in FIFO mode when acting as link
coresight: tmc: implementing TMC-ETF AUX space API
coresight: moving struct cs_buffers to header file
coresight: tmc: keep track of memory width
coresight: tmc: make sysFS and Perf mode mutually exclusive
coresight: tmc: dump system memory content only when needed
coresight: tmc: adding mode of operation for link/sinks
coresight: tmc: getting rid of multiple read access
coresight: tmc: allocating memory when needed
coresight: tmc: making prepare/unprepare functions generic
coresight: tmc: splitting driver in ETB/ETF and ETR components
coresight: tmc: cleaning up header file
coresight: tmc: introducing new header file
coresight: tmc: clearly define number of transfers per burst
coresight: tmc: re-implementing tmc_read_prepare/unprepare() functions
coresight: tmc: waiting for TMCReady bit before programming
coresight: tmc: modifying naming convention
coresight: tmc: adding sysFS management entries
coresight: etm4x: add tracer ID for A72 Maia processor.
coresight: etb10: fixing the right amount of words to read
coresight: stm: adding driver for CoreSight STM component
coresight: adding path for STM device
coresight: etm4x: modify q_support type
coresight: no need to do the forced type conversion
coresight: removing gratuitous boot time log messages
coresight: etb10: splitting sysFS "status" entry
coresight: moving coresight_simple_func() to header file
coresight: etm4x: implementing the perf PMU API
coresight: etm4x: implementing user/kernel mode tracing
coresight: etm4x: moving etm_drvdata::enable to atomic field
coresight: etm4x: unlocking tracers in default arch init
coresight: etm4x: splitting etmv4 default configuration
coresight: etm4x: splitting struct etmv4_drvdata
coresight: etm4x: adding config and traceid registers
coresight: etm4x: moving sysFS entries to a dedicated file
stm class: Support devices that override software assigned masters
stm class: Remove unnecessary pointer increment
stm class: Fix stm device initialization order
stm class: Do not leak the chrdev in error path
stm class: Remove a pointless line
stm class: stm_heartbeat: Make nr_devs parameter read-only
stm class: dummy_stm: Make nr_dummies parameter read-only
MAINTAINERS: Add a git tree for the stm class
perf/ring_buffer: Document AUX API usage
perf/core: Free AUX pages in unmap path
perf/ring_buffer: Refuse to begin AUX transaction after rb->aux_mmap_count drops
perf auxtrace: Add perf_evlist pointer to *info_priv_size()
perf session: Simplify tool stubs
perf inject: Hit all DSOs for AUX data in JIT and other cases
perf tools: tracepoint_error() can receive e=NULL, robustify it
perf evlist: Make perf_evlist__open() open evsels with their cpus and threads (like perf record does)
perf evsel: Introduce disable() method
perf cpumap: Auto initialize cpu__max_{node,cpu}
drivers/hwtracing: make coresight-etm-perf.c explicitly non-modular
drivers/hwtracing: make coresight-* explicitly non-modular
coresight: introducing a global trace ID function
coresight: etm-perf: new PMU driver for ETM tracers
coresight: etb10: implementing AUX API
coresight: etb10: adding operation mode for sink->enable()
coresight: etb10: moving to local atomic operations
coresight: etm3x: implementing perf_enable/disable() API
coresight: etm3x: implementing user/kernel mode tracing
coresight: etm3x: consolidating initial config
coresight: etm3x: changing default trace configuration
coresight: etm3x: set progbit to stop trace collection
coresight: etm3x: adding operation mode for etm_enable()
coresight: etm3x: splitting struct etm_drvdata
coresight: etm3x: unlocking tracers in default arch init
coresight: etm3x: moving sysFS entries to dedicated file
coresight: etm3x: moving etm_readl/writel to header file
coresight: moving PM runtime operations to core framework
coresight: add API to get sink from path
coresight: associating path with session rather than tracer
coresight: etm4x: Check every parameter used by dma_xx_coherent.
coresight: "DEVICE_ATTR_RO" should defined as static.
coresight: implementing 'cpu_id()' API
coresight: removing bind/unbind options from sysfs
coresight: remove csdev's link from topology
coresight: release reference taken by 'bus_find_device()'
coresight: coresight_unregister() function cleanup
coresight: fixing lockdep error
coresight: fixing indentation problem
coresight: Fix a typo in Kconfig
coresight: checking for NULL string in coresight_name_match()
perf/core: Disable the event on a truncated AUX record
perf/core: Don't leak event in the syscall error path
perf/core: Fix perf_sched_count derailment
stm class: dummy_stm: Add link callback for fault injection
stm class: Plug stm device's unlink callback
stm class: Fix a race in unlinking
stm class: Fix unbalanced module/device refcounting
stm class: Guard output assignment against concurrency
stm class: Fix unlocking braino in the error path
stm class: Add heartbeat stm source device
stm class: dummy_stm: Create multiple devices
stm class: Support devices with multiple instances
stm class: Use driver's packet callback return value
stm class: Prevent user-controllable allocations
stm class: Fix link list locking
stm class: Fix locking in unbinding policy path
stm class: Select CONFIG_SRCU
stm class: Hide STM-specific options if STM is disabled
perf: Synchronously free aux pages in case of allocation failure
Linux 4.4.12
kbuild: move -Wunused-const-variable to W=1 warning level
Revert "scsi: fix soft lockup in scsi_remove_target() on module removal"
scsi: Add intermediate STARGET_REMOVE state to scsi_target_state
hpfs: implement the show_options method
hpfs: fix remount failure when there are no options changed
UBI: Fix static volume checks when Fastmap is used
SIGNAL: Move generic copy_siginfo() to signal.h
thunderbolt: Fix double free of drom buffer
IB/srp: Fix a debug kernel crash
ALSA: hda - Fix headset mic detection problem for one Dell machine
ALSA: hda/realtek - Add support for ALC295/ALC3254
ALSA: hda - Fix headphone noise on Dell XPS 13 9360
ALSA: hda/realtek - New codecs support for ALC234/ALC274/ALC294
mcb: Fixed bar number assignment for the gdd
clk: bcm2835: add locking to pll*_on/off methods
locking,qspinlock: Fix spin_is_locked() and spin_unlock_wait()
serial: samsung: Reorder the sequence of clock control when call s3c24xx_serial_set_termios()
serial: 8250_mid: recognize interrupt source in handler
serial: 8250_mid: use proper bar for DNV platform
serial: 8250_pci: fix divide error bug if baud rate is 0
Fix OpenSSH pty regression on close
tty/serial: atmel: fix hardware handshake selection
TTY: n_gsm, fix false positive WARN_ON
tty: vt, return error when con_startup fails
xen/x86: actually allocate legacy interrupts on PV guests
KVM: x86: mask CPUID(0xD,0x1).EAX against host value
MIPS: KVM: Fix timer IRQ race when writing CP0_Compare
MIPS: KVM: Fix timer IRQ race when freezing timer
KVM: x86: fix ordering of cr0 initialization code in vmx_cpu_reset
KVM: MTRR: remove MSR 0x2f8
staging: comedi: das1800: fix possible NULL dereference
usb: gadget: udc: core: Fix argument of dev_err() in usb_gadget_map_request()
USB: leave LPM alone if possible when binding/unbinding interface drivers
usb: misc: usbtest: fix pattern tests for scatterlists.
usb: f_mass_storage: test whether thread is running before starting another
usb: gadget: f_fs: Fix EFAULT generation for async read operations
USB: serial: option: add even more ZTE device ids
USB: serial: option: add more ZTE device ids
USB: serial: option: add support for Cinterion PH8 and AHxx
USB: serial: io_edgeport: fix memory leaks in probe error path
USB: serial: io_edgeport: fix memory leaks in attach error path
USB: serial: quatech2: fix use-after-free in probe error path
USB: serial: keyspan: fix use-after-free in probe error path
USB: serial: mxuport: fix use-after-free in probe error path
mei: bus: call mei_cl_read_start under device lock
mei: amthif: discard not read messages
mei: fix NULL dereferencing during FW initiated disconnection
Bluetooth: vhci: Fix race at creating hci device
Bluetooth: vhci: purge unhandled skbs
Bluetooth: vhci: fix open_timeout vs. hdev race
mmc: sdhci-pci: Remove MMC_CAP_BUS_WIDTH_TEST for Intel controllers
mmc: longer timeout for long read time quirk
dell-rbtn: Ignore ACPI notifications if device is suspended
ACPI / osi: Fix an issue that acpi_osi=!* cannot disable ACPICA internal strings
mmc: sdhci-acpi: Remove MMC_CAP_BUS_WIDTH_TEST for Intel controllers
mmc: mmc: Fix partition switch timeout for some eMMCs
can: fix handling of unmodifiable configuration options
irqchip/gic-v3: Configure all interrupts as non-secure Group-1
irqchip/gic: Ensure ordering between read of INTACK and shared data
Input: pwm-beeper - fix - scheduling while atomic
mfd: omap-usb-tll: Fix scheduling while atomic BUG
sched/loadavg: Fix loadavg artifacts on fully idle and on fully loaded systems
clk: qcom: msm8916: Fix crypto clock flags
crypto: sun4i-ss - Replace spinlock_bh by spin_lock_irq{save|restore}
crypto: talitos - fix ahash algorithms registration
crypto: caam - fix caam_jr_alloc() ret code
ring-buffer: Prevent overflow of size in ring_buffer_resize()
ring-buffer: Use long for nr_pages to avoid overflow failures
asix: Fix offset calculation in asix_rx_fixup() causing slow transmissions
fs/cifs: correctly to anonymous authentication for the NTLM(v2) authentication
fs/cifs: correctly to anonymous authentication for the NTLM(v1) authentication
fs/cifs: correctly to anonymous authentication for the LANMAN authentication
fs/cifs: correctly to anonymous authentication via NTLMSSP
remove directory incorrectly tries to set delete on close on non-empty directories
kvm: arm64: Fix EC field in inject_abt64
arm/arm64: KVM: Enforce Break-Before-Make on Stage-2 page tables
arm64: cpuinfo: Missing NULL terminator in compat_hwcap_str
arm64: Implement pmdp_set_access_flags() for hardware AF/DBM
arm64: Implement ptep_set_access_flags() for hardware AF/DBM
arm64: Ensure pmd_present() returns false after pmd_mknotpresent()
arm64: Fix typo in the pmdp_huge_get_and_clear() definition
ext4: iterate over buffer heads correctly in move_extent_per_page()
perf test: Fix build of BPF and LLVM on older glibc libraries
perf/core: Fix perf_event_open() vs. execve() race
perf/x86/intel/pt: Generate PMI in the STOP region as well
Btrfs: don't use src fd for printk
UPSTREAM: mac80211: fix "warning: ‘target_metric’ may be used uninitialized"
Revert "drivers: power: use 'current' instead of 'get_current()'"
cpufreq: interactive: drop cpufreq_{get,put}_global_kobject func calls
Revert "cpufreq: interactive: build fixes for 4.4"
xt_qtaguid: Fix panic caused by processing non-full socket.
fiq_debugger: Add fiq_debugger.disable option
UPSTREAM: procfs: fixes pthread cross-thread naming if !PR_DUMPABLE
FROMLIST: wlcore: Disable filtering in AP role
Revert "drivers: power: Add watchdog timer to catch drivers which lockup during suspend."
fiq_debugger: Add option to apply uart overlay by FIQ_DEBUGGER_UART_OVERLAY
Revert "Recreate asm/mach/mmc.h include file"
Revert "ARM: Add 'card_present' state to mmc_platfrom_data"
usb: dual-role: make stub functions inline
Revert "mmc: Add status IRQ and status callback function to mmc platform data"
quick selinux support for tracefs
Revert "hid-multitouch: Filter collections by application usage."
Revert "HID: steelseries: validate output report details"
xt_qtaguid: Fix panic caused by synack processing
Revert "mm: vmscan: Add a debug file for shrinkers"
Revert "SELinux: Enable setting security contexts on rootfs inodes."
Revert "SELinux: build fix for 4.1"
fuse: Add support for d_canonical_path
vfs: change d_canonical_path to take two paths
android: recommended.cfg: remove CONFIG_UID_STAT
netfilter: xt_qtaguid: seq_printf fixes
Revert "misc: uidstat: Adding uid stat driver to collect network statistics."
Revert "net: activity_stats: Add statistics for network transmission activity"
Revert "net: activity_stats: Stop using obsolete create_proc_read_entry api"
Revert "misc: uidstat: avoid create_stat() race and blockage."
Revert "misc: uidstat: Remove use of obsolete create_proc_read_entry api"
Revert "misc seq_printf fixes for 4.4"
Revert "misc: uid_stat: Include linux/atomic.h instead of asm/atomic.h"
Revert "net: socket ioctl to reset connections matching local address"
Revert "net: fix iterating over hashtable in tcp_nuke_addr()"
Revert "net: fix crash in tcp_nuke_addr()"
Revert "Don't kill IPv4 sockets when killing IPv6 sockets was requested."
Revert "tcp: Fix IPV6 module build errors"
android: base-cfg: remove CONFIG_SWITCH
Revert "switch: switch class and GPIO drivers."
Revert "drivers: switch: remove S_IWUSR from dev_attr"
ANDROID: base-cfg: enable CONFIG_IP_NF_NAT
BACKPORT: selinux: restrict kernel module loading
android: base-cfg: enable CONFIG_QUOTA
Conflicts:
Documentation/sysctl/kernel.txt
drivers/cpufreq/cpufreq_interactive.c
drivers/hwtracing/coresight/Kconfig
drivers/hwtracing/coresight/Makefile
drivers/hwtracing/coresight/coresight-etm4x.c
drivers/hwtracing/coresight/coresight-etm4x.h
drivers/hwtracing/coresight/coresight-priv.h
drivers/hwtracing/coresight/coresight-stm.c
drivers/hwtracing/coresight/coresight-tmc.c
drivers/mmc/core/core.c
include/linux/coresight-stm.h
include/linux/coresight.h
include/linux/msm_mdp.h
include/uapi/linux/coresight-stm.h
kernel/events/core.c
kernel/sched/fair.c
net/Makefile
net/ipv4/netfilter/arp_tables.c
net/ipv4/netfilter/ip_tables.c
net/ipv4/tcp.c
net/ipv6/netfilter/ip6_tables.c
net/netfilter/xt_quota2.c
sound/core/pcm.c
Change-Id: I17aa0002815014e9bddc47e67769a53c15768a99
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
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Currently, our KASLR implementation randomizes the placement of the core
kernel at 2 MB granularity. This is based on the arm64 kernel boot
protocol, which mandates that the kernel is loaded TEXT_OFFSET bytes above
a 2 MB aligned base address. This requirement is a result of the fact that
the block size used by the early mapping code may be 2 MB at the most (for
a 4 KB granule kernel)
But we can do better than that: since a KASLR kernel needs to be relocated
in any case, we can tolerate a physical misalignment as long as the virtual
misalignment relative to this 2 MB block size is equal in size, and code to
deal with this is already in place.
Since we align the kernel segments to 64 KB, let's randomize the physical
offset at 64 KB granularity as well (unless CONFIG_DEBUG_ALIGN_RODATA is
enabled). This way, the page table and TLB footprint is not affected.
The higher granularity allows for 5 bits of additional entropy to be used.
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
(cherry picked from commit 6f26b3671184c36d07eb5d61ba9a6d0aeb583c5d)
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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* msm-4.4/tmp-510d0a3f:
Linux 4.4.11
nf_conntrack: avoid kernel pointer value leak in slab name
drm/radeon: fix DP link training issue with second 4K monitor
drm/i915/bdw: Add missing delay during L3 SQC credit programming
drm/i915: Bail out of pipe config compute loop on LPT
drm/radeon: fix PLL sharing on DCE6.1 (v2)
Revert "[media] videobuf2-v4l2: Verify planes array in buffer dequeueing"
Input: max8997-haptic - fix NULL pointer dereference
get_rock_ridge_filename(): handle malformed NM entries
tools lib traceevent: Do not reassign parg after collapse_tree()
qla1280: Don't allocate 512kb of host tags
atomic_open(): fix the handling of create_error
regulator: axp20x: Fix axp22x ldo_io voltage ranges
regulator: s2mps11: Fix invalid selector mask and voltages for buck9
workqueue: fix rebind bound workers warning
ARM: dts: at91: sam9x5: Fix the memory range assigned to the PMC
vfs: rename: check backing inode being equal
vfs: add vfs_select_inode() helper
perf/core: Disable the event on a truncated AUX record
regmap: spmi: Fix regmap_spmi_ext_read in multi-byte case
pinctrl: at91-pio4: fix pull-up/down logic
spi: spi-ti-qspi: Handle truncated frames properly
spi: spi-ti-qspi: Fix FLEN and WLEN settings if bits_per_word is overridden
spi: pxa2xx: Do not detect number of enabled chip selects on Intel SPT
ALSA: hda - Fix broken reconfig
ALSA: hda - Fix white noise on Asus UX501VW headset
ALSA: hda - Fix subwoofer pin on ASUS N751 and N551
ALSA: usb-audio: Yet another Phoneix Audio device quirk
ALSA: usb-audio: Quirk for yet another Phoenix Audio devices (v2)
crypto: testmgr - Use kmalloc memory for RSA input
crypto: hash - Fix page length clamping in hash walk
crypto: qat - fix invalid pf2vf_resp_wq logic
s390/mm: fix asce_bits handling with dynamic pagetable levels
zsmalloc: fix zs_can_compact() integer overflow
ocfs2: fix posix_acl_create deadlock
ocfs2: revert using ocfs2_acl_chmod to avoid inode cluster lock hang
net/route: enforce hoplimit max value
tcp: refresh skb timestamp at retransmit time
net: thunderx: avoid exposing kernel stack
net: fix a kernel infoleak in x25 module
uapi glibc compat: fix compile errors when glibc net/if.h included before linux/if.h MIME-Version: 1.0
bridge: fix igmp / mld query parsing
net: bridge: fix old ioctl unlocked net device walk
VSOCK: do not disconnect socket when peer has shutdown SEND only
net/mlx4_en: Fix endianness bug in IPV6 csum calculation
net: fix infoleak in rtnetlink
net: fix infoleak in llc
net: fec: only clear a queue's work bit if the queue was emptied
netem: Segment GSO packets on enqueue
sch_dsmark: update backlog as well
sch_htb: update backlog as well
net_sched: update hierarchical backlog too
net_sched: introduce qdisc_replace() helper
gre: do not pull header in ICMP error processing
net: Implement net_dbg_ratelimited() for CONFIG_DYNAMIC_DEBUG case
samples/bpf: fix trace_output example
bpf: fix check_map_func_compatibility logic
bpf: fix refcnt overflow
bpf: fix double-fdput in replace_map_fd_with_map_ptr()
net/mlx4_en: fix spurious timestamping callbacks
ipv4/fib: don't warn when primary address is missing if in_dev is dead
net/mlx5e: Fix minimum MTU
net/mlx5e: Device's mtu field is u16 and not int
openvswitch: use flow protocol when recalculating ipv6 checksums
atl2: Disable unimplemented scatter/gather feature
vlan: pull on __vlan_insert_tag error path and fix csum correction
net: use skb_postpush_rcsum instead of own implementations
cdc_mbim: apply "NDP to end" quirk to all Huawei devices
bpf/verifier: reject invalid LD_ABS | BPF_DW instruction
net: sched: do not requeue a NULL skb
packet: fix heap info leak in PACKET_DIAG_MCLIST sock_diag interface
route: do not cache fib route info on local routes with oif
decnet: Do not build routes to devices without decnet private data.
parisc: Use generic extable search and sort routines
arm64: kasan: Use actual memory node when populating the kernel image shadow
arm64: mm: treat memstart_addr as a signed quantity
arm64: lse: deal with clobbered IP registers after branch via PLT
arm64: mm: check at build time that PAGE_OFFSET divides the VA space evenly
arm64: kasan: Fix zero shadow mapping overriding kernel image shadow
arm64: consistently use p?d_set_huge
arm64: fix KASLR boot-time I-cache maintenance
arm64: hugetlb: partial revert of 66b3923a1a0f
arm64: make irq_stack_ptr more robust
arm64: efi: invoke EFI_RNG_PROTOCOL to supply KASLR randomness
efi: stub: use high allocation for converted command line
efi: stub: add implementation of efi_random_alloc()
efi: stub: implement efi_get_random_bytes() based on EFI_RNG_PROTOCOL
arm64: kaslr: randomize the linear region
arm64: add support for kernel ASLR
arm64: add support for building vmlinux as a relocatable PIE binary
arm64: switch to relative exception tables
extable: add support for relative extables to search and sort routines
scripts/sortextable: add support for ET_DYN binaries
arm64: futex.h: Add missing PAN toggling
arm64: make asm/elf.h available to asm files
arm64: avoid dynamic relocations in early boot code
arm64: avoid R_AARCH64_ABS64 relocations for Image header fields
arm64: add support for module PLTs
arm64: move brk immediate argument definitions to separate header
arm64: mm: use bit ops rather than arithmetic in pa/va translations
arm64: mm: only perform memstart_addr sanity check if DEBUG_VM
arm64: User die() instead of panic() in do_page_fault()
arm64: allow kernel Image to be loaded anywhere in physical memory
arm64: defer __va translation of initrd_start and initrd_end
arm64: move kernel image to base of vmalloc area
arm64: kvm: deal with kernel symbols outside of linear mapping
arm64: decouple early fixmap init from linear mapping
arm64: pgtable: implement static [pte|pmd|pud]_offset variants
arm64: introduce KIMAGE_VADDR as the virtual base of the kernel region
arm64: add support for ioremap() block mappings
arm64: prevent potential circular header dependencies in asm/bug.h
of/fdt: factor out assignment of initrd_start/initrd_end
of/fdt: make memblock minimum physical address arch configurable
arm64: Remove the get_thread_info() function
arm64: kernel: Don't toggle PAN on systems with UAO
arm64: cpufeature: Test 'matches' pointer to find the end of the list
arm64: kernel: Add support for User Access Override
arm64: add ARMv8.2 id_aa64mmfr2 boiler plate
arm64: cpufeature: Change read_cpuid() to use sysreg's mrs_s macro
arm64: use local label prefixes for __reg_num symbols
arm64: vdso: Mark vDSO code as read-only
arm64: ubsan: select ARCH_HAS_UBSAN_SANITIZE_ALL
arm64: ptdump: Indicate whether memory should be faulting
arm64: Add support for ARCH_SUPPORTS_DEBUG_PAGEALLOC
arm64: Drop alloc function from create_mapping
arm64: prefetch: add missing #include for spin_lock_prefetch
arm64: lib: patch in prfm for copy_page if requested
arm64: lib: improve copy_page to deal with 128 bytes at a time
arm64: prefetch: add alternative pattern for CPUs without a prefetcher
arm64: prefetch: don't provide spin_lock_prefetch with LSE
arm64: allow vmalloc regions to be set with set_memory_*
arm64: kernel: implement ACPI parking protocol
arm64: mm: create new fine-grained mappings at boot
arm64: ensure _stext and _etext are page-aligned
arm64: mm: allow passing a pgdir to alloc_init_*
arm64: mm: allocate pagetables anywhere
arm64: mm: use fixmap when creating page tables
arm64: mm: add functions to walk tables in fixmap
arm64: mm: add __{pud,pgd}_populate
arm64: mm: avoid redundant __pa(__va(x))
arm64: mm: add functions to walk page tables by PA
arm64: mm: move pte_* macros
arm64: kasan: avoid TLB conflicts
arm64: mm: add code to safely replace TTBR1_EL1
arm64: add function to install the idmap
arm64: unmap idmap earlier
arm64: unify idmap removal
arm64: mm: place empty_zero_page in bss
arm64: mm: specialise pagetable allocators
asm-generic: Fix local variable shadow in __set_fixmap_offset
Eliminate the .eh_frame sections from the aarch64 vmlinux and kernel modules
arm64: Fix an enum typo in mm/dump.c
arm64: kasan: ensure that the KASAN zero page is mapped read-only
arch/arm64/include/asm/pgtable.h: add pmd_mkclean for THP
arm64: hide __efistub_ aliases from kallsyms
Linux 4.4.10
drm/i915/skl: Fix DMC load on Skylake J0 and K0
lib/test-string_helpers.c: fix and improve string_get_size() tests
ACPI / processor: Request native thermal interrupt handling via _OSC
drm/i915: Fake HDMI live status
drm/i915: Make RPS EI/thresholds multiple of 25 on SNB-BDW
drm/i915: Fix eDP low vswing for Broadwell
drm/i915/ddi: Fix eDP VDD handling during booting and suspend/resume
drm/radeon: make sure vertical front porch is at least 1
iio: ak8975: fix maybe-uninitialized warning
iio: ak8975: Fix NULL pointer exception on early interrupt
drm/amdgpu: set metadata pointer to NULL after freeing.
drm/amdgpu: make sure vertical front porch is at least 1
gpu: ipu-v3: Fix imx-ipuv3-crtc module autoloading
nvmem: mxs-ocotp: fix buffer overflow in read
USB: serial: cp210x: add Straizona Focusers device ids
USB: serial: cp210x: add ID for Link ECU
ata: ahci-platform: Add ports-implemented DT bindings.
libahci: save port map for forced port map
powerpc: Fix bad inline asm constraint in create_zero_mask()
ACPICA: Dispatcher: Update thread ID for recursive method calls
x86/sysfb_efi: Fix valid BAR address range check
ARC: Add missing io barriers to io{read,write}{16,32}be()
ARM: cpuidle: Pass on arm_cpuidle_suspend()'s return value
propogate_mnt: Handle the first propogated copy being a slave
fs/pnode.c: treat zero mnt_group_id-s as unequal
x86/tsc: Read all ratio bits from MSR_PLATFORM_INFO
MAINTAINERS: Remove asterisk from EFI directory names
writeback: Fix performance regression in wb_over_bg_thresh()
batman-adv: Reduce refcnt of removed router when updating route
batman-adv: Fix broadcast/ogm queue limit on a removed interface
batman-adv: Check skb size before using encapsulated ETH+VLAN header
batman-adv: fix DAT candidate selection (must use vid)
mm: update min_free_kbytes from khugepaged after core initialization
proc: prevent accessing /proc/<PID>/environ until it's ready
Input: zforce_ts - fix dual touch recognition
HID: Fix boot delay for Creative SB Omni Surround 5.1 with quirk
HID: wacom: Add support for DTK-1651
xen/evtchn: fix ring resize when binding new events
xen/balloon: Fix crash when ballooning on x86 32 bit PAE
xen: Fix page <-> pfn conversion on 32 bit systems
ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel
ARM: EXYNOS: Properly skip unitialized parent clock in power domain on
mm/zswap: provide unique zpool name
mm, cma: prevent nr_isolated_* counters from going negative
Minimal fix-up of bad hashing behavior of hash_64()
MD: make bio mergeable
tracing: Don't display trigger file for events that can't be enabled
mac80211: fix statistics leak if dev_alloc_name() fails
ath9k: ar5008_hw_cmn_spur_mitigate: add missing mask_m & mask_p initialisation
lpfc: fix misleading indentation
clk: qcom: msm8960: Fix ce3_src register offset
clk: versatile: sp810: support reentrance
clk: qcom: msm8960: fix ce3_core clk enable register
clk: meson: Fix meson_clk_register_clks() signature type mismatch
clk: rockchip: free memory in error cases when registering clock branches
soc: rockchip: power-domain: fix err handle while probing
clk-divider: make sure read-only dividers do not write to their register
CNS3xxx: Fix PCI cns3xxx_write_config()
mwifiex: fix corner case association failure
ata: ahci_xgene: dereferencing uninitialized pointer in probe
nbd: ratelimit error msgs after socket close
mfd: intel-lpss: Remove clock tree on error path
ipvs: drop first packet to redirect conntrack
ipvs: correct initial offset of Call-ID header search in SIP persistence engine
ipvs: handle ip_vs_fill_iph_skb_off failure
RDMA/iw_cxgb4: Fix bar2 virt addr calculation for T4 chips
Revert: "powerpc/tm: Check for already reclaimed tasks"
arm64: head.S: use memset to clear BSS
efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
arm64: entry: remove pointless SPSR mode check
arm64: mm: move pgd_cache initialisation to pgtable_cache_init
arm64: module: avoid undefined shift behavior in reloc_data()
arm64: module: fix relocation of movz instruction with negative immediate
arm64: traps: address fallout from printk -> pr_* conversion
arm64: ftrace: fix a stack tracer's output under function graph tracer
arm64: pass a task parameter to unwind_frame()
arm64: ftrace: modify a stack frame in a safe way
arm64: remove irq_count and do_softirq_own_stack()
arm64: hugetlb: add support for PTE contiguous bit
arm64: Use PoU cache instr for I/D coherency
arm64: Defer dcache flush in __cpu_copy_user_page
arm64: reduce stack use in irq_handler
arm64: Documentation: add list of software workarounds for errata
arm64: mm: place __cpu_setup in .text
arm64: cmpxchg: Don't incldue linux/mmdebug.h
arm64: mm: fold alternatives into .init
arm64: Remove redundant padding from linker script
arm64: mm: remove pointless PAGE_MASKing
arm64: don't call C code with el0's fp register
arm64: when walking onto the task stack, check sp & fp are in current->stack
arm64: Add this_cpu_ptr() assembler macro for use in entry.S
arm64: irq: fix walking from irq stack to task stack
arm64: Add do_softirq_own_stack() and enable irq_stacks
arm64: Modify stack trace and dump for use with irq_stack
arm64: Store struct thread_info in sp_el0
arm64: Add trace_hardirqs_off annotation in ret_to_user
arm64: ftrace: fix the comments for ftrace_modify_code
arm64: ftrace: stop using kstop_machine to enable/disable tracing
arm64: spinlock: serialise spin_unlock_wait against concurrent lockers
arm64: enable HAVE_IRQ_TIME_ACCOUNTING
arm64: fix COMPAT_SHMLBA definition for large pages
arm64: add __init/__initdata section marker to some functions/variables
arm64: pgtable: implement pte_accessible()
arm64: mm: allow sections for unaligned bases
arm64: mm: detect bad __create_mapping uses
Linux 4.4.9
extcon: max77843: Use correct size for reading the interrupt register
stm class: Select CONFIG_SRCU
megaraid_sas: add missing curly braces in ioctl handler
sunrpc/cache: drop reference when sunrpc_cache_pipe_upcall() detects a race
thermal: rockchip: fix a impossible condition caused by the warning
unbreak allmodconfig KCONFIG_ALLCONFIG=...
jme: Fix device PM wakeup API usage
jme: Do not enable NIC WoL functions on S0
bus: imx-weim: Take the 'status' property value into account
ARM: dts: pxa: fix dma engine node to pxa3xx-nand
ARM: dts: armada-375: use armada-370-sata for SATA
ARM: EXYNOS: select THERMAL_OF
ARM: prima2: always enable reset controller
ARM: OMAP3: Add cpuidle parameters table for omap3430
ext4: fix races of writeback with punch hole and zero range
ext4: fix races between buffered IO and collapse / insert range
ext4: move unlocked dio protection from ext4_alloc_file_blocks()
ext4: fix races between page faults and hole punching
perf stat: Document --detailed option
perf tools: handle spaces in file names obtained from /proc/pid/maps
perf hists browser: Only offer symbol scripting when a symbol is under the cursor
mtd: nand: Drop mtd.owner requirement in nand_scan
mtd: brcmnand: Fix v7.1 register offsets
mtd: spi-nor: remove micron_quad_enable()
serial: sh-sci: Remove cpufreq notifier to fix crash/deadlock
ext4: fix NULL pointer dereference in ext4_mark_inode_dirty()
x86/mm/kmmio: Fix mmiotrace for hugepages
perf evlist: Reference count the cpu and thread maps at set_maps()
drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors
rtc: max77686: Properly handle regmap_irq_get_virq() error code
rtc: rx8025: remove rv8803 id
rtc: ds1685: passing bogus values to irq_restore
rtc: vr41xx: Wire up alarm_irq_enable
rtc: hym8563: fix invalid year calculation
PM / Domains: Fix removal of a subdomain
PM / OPP: Initialize u_volt_min/max to a valid value
misc: mic/scif: fix wrap around tests
misc/bmp085: Enable building as a module
lib/mpi: Endianness fix
fbdev: da8xx-fb: fix videomodes of lcd panels
scsi_dh: force modular build if SCSI is a module
paride: make 'verbose' parameter an 'int' again
regulator: s5m8767: fix get_register() error handling
irqchip/mxs: Fix error check of of_io_request_and_map()
irqchip/sunxi-nmi: Fix error check of of_io_request_and_map()
spi/rockchip: Make sure spi clk is on in rockchip_spi_set_cs
locking/mcs: Fix mcs_spin_lock() ordering
regulator: core: Fix nested locking of supplies
regulator: core: Ensure we lock all regulators
regulator: core: fix regulator_lock_supply regression
Revert "regulator: core: Fix nested locking of supplies"
videobuf2-v4l2: Verify planes array in buffer dequeueing
videobuf2-core: Check user space planes array in dqbuf
USB: usbip: fix potential out-of-bounds write
cgroup: make sure a parent css isn't freed before its children
mm/hwpoison: fix wrong num_poisoned_pages accounting
mm: vmscan: reclaim highmem zone if buffer_heads is over limit
numa: fix /proc/<pid>/numa_maps for THP
mm/huge_memory: replace VM_NO_THP VM_BUG_ON with actual VMA check
memcg: relocate charge moving from ->attach to ->post_attach
cgroup, cpuset: replace cpuset_post_attach_flush() with cgroup_subsys->post_attach callback
slub: clean up code for kmem cgroup support to kmem_cache_free_bulk
workqueue: fix ghost PENDING flag while doing MQ IO
x86/apic: Handle zero vector gracefully in clear_vector_irq()
efi: Expose non-blocking set_variable() wrapper to efivars
efi: Fix out-of-bounds read in variable_matches()
IB/security: Restrict use of the write() interface
IB/mlx5: Expose correct max_sge_rd limit
cxl: Keep IRQ mappings on context teardown
v4l2-dv-timings.h: fix polarity for 4k formats
vb2-memops: Fix over allocation of frame vectors
ASoC: rt5640: Correct the digital interface data select
ASoC: dapm: Make sure we have a card when displaying component widgets
ASoC: ssm4567: Reset device before regcache_sync()
ASoC: s3c24xx: use const snd_soc_component_driver pointer
EDAC: i7core, sb_edac: Don't return NOTIFY_BAD from mce_decoder callback
toshiba_acpi: Fix regression caused by hotkey enabling value
i2c: exynos5: Fix possible ABBA deadlock by keeping I2C clock prepared
i2c: cpm: Fix build break due to incompatible pointer types
perf intel-pt: Fix segfault tracing transactions
drm/i915: Use fw_domains_put_with_fifo() on HSW
drm/i915: Fixup the free space logic in ring_prepare
drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()
drm/i915: skl_update_scaler() wants a rotation bitmask instead of bit number
drm/i915: Cleanup phys status page too
pwm: brcmstb: Fix check of devm_ioremap_resource() return code
drm/dp/mst: Get validated port ref in drm_dp_update_payload_part1()
drm/dp/mst: Restore primary hub guid on resume
drm/dp/mst: Validate port in drm_dp_payload_send_msg()
drm/nouveau/gr/gf100: select a stream master to fixup tfb offset queries
drm: Loongson-3 doesn't fully support wc memory
drm/radeon: fix vertical bars appear on monitor (v2)
drm/radeon: forbid mapping of userptr bo through radeon device file
drm/radeon: fix initial connector audio value
drm/radeon: add a quirk for a XFX R9 270X
drm/amdgpu: fix regression on CIK (v2)
amdgpu/uvd: add uvd fw version for amdgpu
drm/amdgpu: bump the afmt limit for CZ, ST, Polaris
drm/amdgpu: use defines for CRTCs and AMFT blocks
drm/amdgpu: when suspending, if uvd/vce was running. need to cancel delay work.
iommu/dma: Restore scatterlist offsets correctly
iommu/amd: Fix checking of pci dma aliases
pinctrl: single: Fix pcs_parse_bits_in_pinctrl_entry to use __ffs than ffs
pinctrl: mediatek: correct debounce time unit in mtk_gpio_set_debounce
xen kconfig: don't "select INPUT_XEN_KBDDEV_FRONTEND"
Input: pmic8xxx-pwrkey - fix algorithm for converting trigger delay
Input: gtco - fix crash on detecting device without endpoints
netlink: don't send NETLINK_URELEASE for unbound sockets
nl80211: check netlink protocol in socket release notification
powerpc: Update TM user feature bits in scan_features()
powerpc: Update cpu_user_features2 in scan_features()
powerpc: scan_features() updates incorrect bits for REAL_LE
crypto: talitos - fix AEAD tcrypt tests
crypto: talitos - fix crash in talitos_cra_init()
crypto: sha1-mb - use corrcet pointer while completing jobs
crypto: ccp - Prevent information leakage on export
iwlwifi: mvm: fix memory leak in paging
iwlwifi: pcie: lower the debug level for RSA semaphore access
s390/pci: add extra padding to function measurement block
cpufreq: intel_pstate: Fix processing for turbo activation ratio
Revert "drm/amdgpu: disable runtime pm on PX laptops without dGPU power control"
Revert "drm/radeon: disable runtime pm on PX laptops without dGPU power control"
drm/i915: Fix race condition in intel_dp_destroy_mst_connector()
drm/qxl: fix cursor position with non-zero hotspot
drm/nouveau/core: use vzalloc for allocating ramht
futex: Acknowledge a new waiter in counter before plist
futex: Handle unlock_pi race gracefully
asm-generic/futex: Re-enable preemption in futex_atomic_cmpxchg_inatomic()
ALSA: hda - Add dock support for ThinkPad X260
ALSA: pcxhr: Fix missing mutex unlock
ALSA: hda - add PCI ID for Intel Broxton-T
ALSA: hda - Keep powering up ADCs on Cirrus codecs
ALSA: hda/realtek - Add ALC3234 headset mode for Optiplex 9020m
ALSA: hda - Don't trust the reported actual power state
x86 EDAC, sb_edac.c: Repair damage introduced when "fixing" channel address
x86/mm/xen: Suppress hugetlbfs in PV guests
arm64: Update PTE_RDONLY in set_pte_at() for PROT_NONE permission
arm64: Honour !PTE_WRITE in set_pte_at() for kernel mappings
sched/cgroup: Fix/cleanup cgroup teardown/init
dmaengine: pxa_dma: fix the maximum requestor line
dmaengine: hsu: correct use of channel status register
dmaengine: dw: fix master selection
debugfs: Make automount point inodes permanently empty
lib: lz4: fixed zram with lz4 on big endian machines
dm cache metadata: fix cmd_read_lock() acquiring write lock
dm cache metadata: fix READ_LOCK macros and cleanup WRITE_LOCK macros
usb: gadget: f_fs: Fix use-after-free
usb: hcd: out of bounds access in for_each_companion
xhci: fix 10 second timeout on removal of PCI hotpluggable xhci controllers
usb: xhci: fix wild pointers in xhci_mem_cleanup
xhci: resume USB 3 roothub first
usb: xhci: applying XHCI_PME_STUCK_QUIRK to Intel BXT B0 host
assoc_array: don't call compare_object() on a node
ARM: OMAP2+: hwmod: Fix updating of sysconfig register
ARM: OMAP2: Fix up interconnect barrier initialization for DRA7
ARM: mvebu: Correct unit address for linksys
ARM: dts: AM43x-epos: Fix clk parent for synctimer
KVM: arm/arm64: Handle forward time correction gracefully
kvm: x86: do not leak guest xcr0 into host interrupt handlers
x86/mce: Avoid using object after free in genpool
block: loop: fix filesystem corruption in case of aio/dio
block: partition: initialize percpuref before sending out KOBJ_ADD
Conflicts:
arch/arm64/Kconfig
arch/arm64/include/asm/cputype.h
arch/arm64/include/asm/hardirq.h
arch/arm64/include/asm/irq.h
arch/arm64/include/asm/mmu_context.h
arch/arm64/kernel/cpu_errata.c
arch/arm64/kernel/cpuinfo.c
arch/arm64/kernel/setup.c
arch/arm64/kernel/smp.c
arch/arm64/kernel/stacktrace.c
arch/arm64/mm/init.c
arch/arm64/mm/mmu.c
arch/arm64/mm/pageattr.c
mm/memcontrol.c
CRs-Fixed: 1069136
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
Change-Id: Ie9a16debd0578331a66947376f3b787a7bb54d65
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This reverts commit 9d6fd2c3e9fcfb ("Merge remote-tracking branch
'msm-4.4/tmp-510d0a3f' into msm-4.4"), because it breaks the
dump parsing tools due to kernel can be loaded anywhere in the memory
now and not fixed at linear mapping.
Change-Id: Id416f0a249d803442847d09ac47781147b0d0ee6
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
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* msm-4.4/tmp-510d0a3f:
Linux 4.4.11
nf_conntrack: avoid kernel pointer value leak in slab name
drm/radeon: fix DP link training issue with second 4K monitor
drm/i915/bdw: Add missing delay during L3 SQC credit programming
drm/i915: Bail out of pipe config compute loop on LPT
drm/radeon: fix PLL sharing on DCE6.1 (v2)
Revert "[media] videobuf2-v4l2: Verify planes array in buffer dequeueing"
Input: max8997-haptic - fix NULL pointer dereference
get_rock_ridge_filename(): handle malformed NM entries
tools lib traceevent: Do not reassign parg after collapse_tree()
qla1280: Don't allocate 512kb of host tags
atomic_open(): fix the handling of create_error
regulator: axp20x: Fix axp22x ldo_io voltage ranges
regulator: s2mps11: Fix invalid selector mask and voltages for buck9
workqueue: fix rebind bound workers warning
ARM: dts: at91: sam9x5: Fix the memory range assigned to the PMC
vfs: rename: check backing inode being equal
vfs: add vfs_select_inode() helper
perf/core: Disable the event on a truncated AUX record
regmap: spmi: Fix regmap_spmi_ext_read in multi-byte case
pinctrl: at91-pio4: fix pull-up/down logic
spi: spi-ti-qspi: Handle truncated frames properly
spi: spi-ti-qspi: Fix FLEN and WLEN settings if bits_per_word is overridden
spi: pxa2xx: Do not detect number of enabled chip selects on Intel SPT
ALSA: hda - Fix broken reconfig
ALSA: hda - Fix white noise on Asus UX501VW headset
ALSA: hda - Fix subwoofer pin on ASUS N751 and N551
ALSA: usb-audio: Yet another Phoneix Audio device quirk
ALSA: usb-audio: Quirk for yet another Phoenix Audio devices (v2)
crypto: testmgr - Use kmalloc memory for RSA input
crypto: hash - Fix page length clamping in hash walk
crypto: qat - fix invalid pf2vf_resp_wq logic
s390/mm: fix asce_bits handling with dynamic pagetable levels
zsmalloc: fix zs_can_compact() integer overflow
ocfs2: fix posix_acl_create deadlock
ocfs2: revert using ocfs2_acl_chmod to avoid inode cluster lock hang
net/route: enforce hoplimit max value
tcp: refresh skb timestamp at retransmit time
net: thunderx: avoid exposing kernel stack
net: fix a kernel infoleak in x25 module
uapi glibc compat: fix compile errors when glibc net/if.h included before linux/if.h MIME-Version: 1.0
bridge: fix igmp / mld query parsing
net: bridge: fix old ioctl unlocked net device walk
VSOCK: do not disconnect socket when peer has shutdown SEND only
net/mlx4_en: Fix endianness bug in IPV6 csum calculation
net: fix infoleak in rtnetlink
net: fix infoleak in llc
net: fec: only clear a queue's work bit if the queue was emptied
netem: Segment GSO packets on enqueue
sch_dsmark: update backlog as well
sch_htb: update backlog as well
net_sched: update hierarchical backlog too
net_sched: introduce qdisc_replace() helper
gre: do not pull header in ICMP error processing
net: Implement net_dbg_ratelimited() for CONFIG_DYNAMIC_DEBUG case
samples/bpf: fix trace_output example
bpf: fix check_map_func_compatibility logic
bpf: fix refcnt overflow
bpf: fix double-fdput in replace_map_fd_with_map_ptr()
net/mlx4_en: fix spurious timestamping callbacks
ipv4/fib: don't warn when primary address is missing if in_dev is dead
net/mlx5e: Fix minimum MTU
net/mlx5e: Device's mtu field is u16 and not int
openvswitch: use flow protocol when recalculating ipv6 checksums
atl2: Disable unimplemented scatter/gather feature
vlan: pull on __vlan_insert_tag error path and fix csum correction
net: use skb_postpush_rcsum instead of own implementations
cdc_mbim: apply "NDP to end" quirk to all Huawei devices
bpf/verifier: reject invalid LD_ABS | BPF_DW instruction
net: sched: do not requeue a NULL skb
packet: fix heap info leak in PACKET_DIAG_MCLIST sock_diag interface
route: do not cache fib route info on local routes with oif
decnet: Do not build routes to devices without decnet private data.
parisc: Use generic extable search and sort routines
arm64: kasan: Use actual memory node when populating the kernel image shadow
arm64: mm: treat memstart_addr as a signed quantity
arm64: lse: deal with clobbered IP registers after branch via PLT
arm64: mm: check at build time that PAGE_OFFSET divides the VA space evenly
arm64: kasan: Fix zero shadow mapping overriding kernel image shadow
arm64: consistently use p?d_set_huge
arm64: fix KASLR boot-time I-cache maintenance
arm64: hugetlb: partial revert of 66b3923a1a0f
arm64: make irq_stack_ptr more robust
arm64: efi: invoke EFI_RNG_PROTOCOL to supply KASLR randomness
efi: stub: use high allocation for converted command line
efi: stub: add implementation of efi_random_alloc()
efi: stub: implement efi_get_random_bytes() based on EFI_RNG_PROTOCOL
arm64: kaslr: randomize the linear region
arm64: add support for kernel ASLR
arm64: add support for building vmlinux as a relocatable PIE binary
arm64: switch to relative exception tables
extable: add support for relative extables to search and sort routines
scripts/sortextable: add support for ET_DYN binaries
arm64: futex.h: Add missing PAN toggling
arm64: make asm/elf.h available to asm files
arm64: avoid dynamic relocations in early boot code
arm64: avoid R_AARCH64_ABS64 relocations for Image header fields
arm64: add support for module PLTs
arm64: move brk immediate argument definitions to separate header
arm64: mm: use bit ops rather than arithmetic in pa/va translations
arm64: mm: only perform memstart_addr sanity check if DEBUG_VM
arm64: User die() instead of panic() in do_page_fault()
arm64: allow kernel Image to be loaded anywhere in physical memory
arm64: defer __va translation of initrd_start and initrd_end
arm64: move kernel image to base of vmalloc area
arm64: kvm: deal with kernel symbols outside of linear mapping
arm64: decouple early fixmap init from linear mapping
arm64: pgtable: implement static [pte|pmd|pud]_offset variants
arm64: introduce KIMAGE_VADDR as the virtual base of the kernel region
arm64: add support for ioremap() block mappings
arm64: prevent potential circular header dependencies in asm/bug.h
of/fdt: factor out assignment of initrd_start/initrd_end
of/fdt: make memblock minimum physical address arch configurable
arm64: Remove the get_thread_info() function
arm64: kernel: Don't toggle PAN on systems with UAO
arm64: cpufeature: Test 'matches' pointer to find the end of the list
arm64: kernel: Add support for User Access Override
arm64: add ARMv8.2 id_aa64mmfr2 boiler plate
arm64: cpufeature: Change read_cpuid() to use sysreg's mrs_s macro
arm64: use local label prefixes for __reg_num symbols
arm64: vdso: Mark vDSO code as read-only
arm64: ubsan: select ARCH_HAS_UBSAN_SANITIZE_ALL
arm64: ptdump: Indicate whether memory should be faulting
arm64: Add support for ARCH_SUPPORTS_DEBUG_PAGEALLOC
arm64: Drop alloc function from create_mapping
arm64: prefetch: add missing #include for spin_lock_prefetch
arm64: lib: patch in prfm for copy_page if requested
arm64: lib: improve copy_page to deal with 128 bytes at a time
arm64: prefetch: add alternative pattern for CPUs without a prefetcher
arm64: prefetch: don't provide spin_lock_prefetch with LSE
arm64: allow vmalloc regions to be set with set_memory_*
arm64: kernel: implement ACPI parking protocol
arm64: mm: create new fine-grained mappings at boot
arm64: ensure _stext and _etext are page-aligned
arm64: mm: allow passing a pgdir to alloc_init_*
arm64: mm: allocate pagetables anywhere
arm64: mm: use fixmap when creating page tables
arm64: mm: add functions to walk tables in fixmap
arm64: mm: add __{pud,pgd}_populate
arm64: mm: avoid redundant __pa(__va(x))
arm64: mm: add functions to walk page tables by PA
arm64: mm: move pte_* macros
arm64: kasan: avoid TLB conflicts
arm64: mm: add code to safely replace TTBR1_EL1
arm64: add function to install the idmap
arm64: unmap idmap earlier
arm64: unify idmap removal
arm64: mm: place empty_zero_page in bss
arm64: mm: specialise pagetable allocators
asm-generic: Fix local variable shadow in __set_fixmap_offset
Eliminate the .eh_frame sections from the aarch64 vmlinux and kernel modules
arm64: Fix an enum typo in mm/dump.c
arm64: kasan: ensure that the KASAN zero page is mapped read-only
arch/arm64/include/asm/pgtable.h: add pmd_mkclean for THP
arm64: hide __efistub_ aliases from kallsyms
Linux 4.4.10
drm/i915/skl: Fix DMC load on Skylake J0 and K0
lib/test-string_helpers.c: fix and improve string_get_size() tests
ACPI / processor: Request native thermal interrupt handling via _OSC
drm/i915: Fake HDMI live status
drm/i915: Make RPS EI/thresholds multiple of 25 on SNB-BDW
drm/i915: Fix eDP low vswing for Broadwell
drm/i915/ddi: Fix eDP VDD handling during booting and suspend/resume
drm/radeon: make sure vertical front porch is at least 1
iio: ak8975: fix maybe-uninitialized warning
iio: ak8975: Fix NULL pointer exception on early interrupt
drm/amdgpu: set metadata pointer to NULL after freeing.
drm/amdgpu: make sure vertical front porch is at least 1
gpu: ipu-v3: Fix imx-ipuv3-crtc module autoloading
nvmem: mxs-ocotp: fix buffer overflow in read
USB: serial: cp210x: add Straizona Focusers device ids
USB: serial: cp210x: add ID for Link ECU
ata: ahci-platform: Add ports-implemented DT bindings.
libahci: save port map for forced port map
powerpc: Fix bad inline asm constraint in create_zero_mask()
ACPICA: Dispatcher: Update thread ID for recursive method calls
x86/sysfb_efi: Fix valid BAR address range check
ARC: Add missing io barriers to io{read,write}{16,32}be()
ARM: cpuidle: Pass on arm_cpuidle_suspend()'s return value
propogate_mnt: Handle the first propogated copy being a slave
fs/pnode.c: treat zero mnt_group_id-s as unequal
x86/tsc: Read all ratio bits from MSR_PLATFORM_INFO
MAINTAINERS: Remove asterisk from EFI directory names
writeback: Fix performance regression in wb_over_bg_thresh()
batman-adv: Reduce refcnt of removed router when updating route
batman-adv: Fix broadcast/ogm queue limit on a removed interface
batman-adv: Check skb size before using encapsulated ETH+VLAN header
batman-adv: fix DAT candidate selection (must use vid)
mm: update min_free_kbytes from khugepaged after core initialization
proc: prevent accessing /proc/<PID>/environ until it's ready
Input: zforce_ts - fix dual touch recognition
HID: Fix boot delay for Creative SB Omni Surround 5.1 with quirk
HID: wacom: Add support for DTK-1651
xen/evtchn: fix ring resize when binding new events
xen/balloon: Fix crash when ballooning on x86 32 bit PAE
xen: Fix page <-> pfn conversion on 32 bit systems
ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel
ARM: EXYNOS: Properly skip unitialized parent clock in power domain on
mm/zswap: provide unique zpool name
mm, cma: prevent nr_isolated_* counters from going negative
Minimal fix-up of bad hashing behavior of hash_64()
MD: make bio mergeable
tracing: Don't display trigger file for events that can't be enabled
mac80211: fix statistics leak if dev_alloc_name() fails
ath9k: ar5008_hw_cmn_spur_mitigate: add missing mask_m & mask_p initialisation
lpfc: fix misleading indentation
clk: qcom: msm8960: Fix ce3_src register offset
clk: versatile: sp810: support reentrance
clk: qcom: msm8960: fix ce3_core clk enable register
clk: meson: Fix meson_clk_register_clks() signature type mismatch
clk: rockchip: free memory in error cases when registering clock branches
soc: rockchip: power-domain: fix err handle while probing
clk-divider: make sure read-only dividers do not write to their register
CNS3xxx: Fix PCI cns3xxx_write_config()
mwifiex: fix corner case association failure
ata: ahci_xgene: dereferencing uninitialized pointer in probe
nbd: ratelimit error msgs after socket close
mfd: intel-lpss: Remove clock tree on error path
ipvs: drop first packet to redirect conntrack
ipvs: correct initial offset of Call-ID header search in SIP persistence engine
ipvs: handle ip_vs_fill_iph_skb_off failure
RDMA/iw_cxgb4: Fix bar2 virt addr calculation for T4 chips
Revert: "powerpc/tm: Check for already reclaimed tasks"
arm64: head.S: use memset to clear BSS
efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
arm64: entry: remove pointless SPSR mode check
arm64: mm: move pgd_cache initialisation to pgtable_cache_init
arm64: module: avoid undefined shift behavior in reloc_data()
arm64: module: fix relocation of movz instruction with negative immediate
arm64: traps: address fallout from printk -> pr_* conversion
arm64: ftrace: fix a stack tracer's output under function graph tracer
arm64: pass a task parameter to unwind_frame()
arm64: ftrace: modify a stack frame in a safe way
arm64: remove irq_count and do_softirq_own_stack()
arm64: hugetlb: add support for PTE contiguous bit
arm64: Use PoU cache instr for I/D coherency
arm64: Defer dcache flush in __cpu_copy_user_page
arm64: reduce stack use in irq_handler
arm64: Documentation: add list of software workarounds for errata
arm64: mm: place __cpu_setup in .text
arm64: cmpxchg: Don't incldue linux/mmdebug.h
arm64: mm: fold alternatives into .init
arm64: Remove redundant padding from linker script
arm64: mm: remove pointless PAGE_MASKing
arm64: don't call C code with el0's fp register
arm64: when walking onto the task stack, check sp & fp are in current->stack
arm64: Add this_cpu_ptr() assembler macro for use in entry.S
arm64: irq: fix walking from irq stack to task stack
arm64: Add do_softirq_own_stack() and enable irq_stacks
arm64: Modify stack trace and dump for use with irq_stack
arm64: Store struct thread_info in sp_el0
arm64: Add trace_hardirqs_off annotation in ret_to_user
arm64: ftrace: fix the comments for ftrace_modify_code
arm64: ftrace: stop using kstop_machine to enable/disable tracing
arm64: spinlock: serialise spin_unlock_wait against concurrent lockers
arm64: enable HAVE_IRQ_TIME_ACCOUNTING
arm64: fix COMPAT_SHMLBA definition for large pages
arm64: add __init/__initdata section marker to some functions/variables
arm64: pgtable: implement pte_accessible()
arm64: mm: allow sections for unaligned bases
arm64: mm: detect bad __create_mapping uses
Linux 4.4.9
extcon: max77843: Use correct size for reading the interrupt register
stm class: Select CONFIG_SRCU
megaraid_sas: add missing curly braces in ioctl handler
sunrpc/cache: drop reference when sunrpc_cache_pipe_upcall() detects a race
thermal: rockchip: fix a impossible condition caused by the warning
unbreak allmodconfig KCONFIG_ALLCONFIG=...
jme: Fix device PM wakeup API usage
jme: Do not enable NIC WoL functions on S0
bus: imx-weim: Take the 'status' property value into account
ARM: dts: pxa: fix dma engine node to pxa3xx-nand
ARM: dts: armada-375: use armada-370-sata for SATA
ARM: EXYNOS: select THERMAL_OF
ARM: prima2: always enable reset controller
ARM: OMAP3: Add cpuidle parameters table for omap3430
ext4: fix races of writeback with punch hole and zero range
ext4: fix races between buffered IO and collapse / insert range
ext4: move unlocked dio protection from ext4_alloc_file_blocks()
ext4: fix races between page faults and hole punching
perf stat: Document --detailed option
perf tools: handle spaces in file names obtained from /proc/pid/maps
perf hists browser: Only offer symbol scripting when a symbol is under the cursor
mtd: nand: Drop mtd.owner requirement in nand_scan
mtd: brcmnand: Fix v7.1 register offsets
mtd: spi-nor: remove micron_quad_enable()
serial: sh-sci: Remove cpufreq notifier to fix crash/deadlock
ext4: fix NULL pointer dereference in ext4_mark_inode_dirty()
x86/mm/kmmio: Fix mmiotrace for hugepages
perf evlist: Reference count the cpu and thread maps at set_maps()
drivers/misc/ad525x_dpot: AD5274 fix RDAC read back errors
rtc: max77686: Properly handle regmap_irq_get_virq() error code
rtc: rx8025: remove rv8803 id
rtc: ds1685: passing bogus values to irq_restore
rtc: vr41xx: Wire up alarm_irq_enable
rtc: hym8563: fix invalid year calculation
PM / Domains: Fix removal of a subdomain
PM / OPP: Initialize u_volt_min/max to a valid value
misc: mic/scif: fix wrap around tests
misc/bmp085: Enable building as a module
lib/mpi: Endianness fix
fbdev: da8xx-fb: fix videomodes of lcd panels
scsi_dh: force modular build if SCSI is a module
paride: make 'verbose' parameter an 'int' again
regulator: s5m8767: fix get_register() error handling
irqchip/mxs: Fix error check of of_io_request_and_map()
irqchip/sunxi-nmi: Fix error check of of_io_request_and_map()
spi/rockchip: Make sure spi clk is on in rockchip_spi_set_cs
locking/mcs: Fix mcs_spin_lock() ordering
regulator: core: Fix nested locking of supplies
regulator: core: Ensure we lock all regulators
regulator: core: fix regulator_lock_supply regression
Revert "regulator: core: Fix nested locking of supplies"
videobuf2-v4l2: Verify planes array in buffer dequeueing
videobuf2-core: Check user space planes array in dqbuf
USB: usbip: fix potential out-of-bounds write
cgroup: make sure a parent css isn't freed before its children
mm/hwpoison: fix wrong num_poisoned_pages accounting
mm: vmscan: reclaim highmem zone if buffer_heads is over limit
numa: fix /proc/<pid>/numa_maps for THP
mm/huge_memory: replace VM_NO_THP VM_BUG_ON with actual VMA check
memcg: relocate charge moving from ->attach to ->post_attach
cgroup, cpuset: replace cpuset_post_attach_flush() with cgroup_subsys->post_attach callback
slub: clean up code for kmem cgroup support to kmem_cache_free_bulk
workqueue: fix ghost PENDING flag while doing MQ IO
x86/apic: Handle zero vector gracefully in clear_vector_irq()
efi: Expose non-blocking set_variable() wrapper to efivars
efi: Fix out-of-bounds read in variable_matches()
IB/security: Restrict use of the write() interface
IB/mlx5: Expose correct max_sge_rd limit
cxl: Keep IRQ mappings on context teardown
v4l2-dv-timings.h: fix polarity for 4k formats
vb2-memops: Fix over allocation of frame vectors
ASoC: rt5640: Correct the digital interface data select
ASoC: dapm: Make sure we have a card when displaying component widgets
ASoC: ssm4567: Reset device before regcache_sync()
ASoC: s3c24xx: use const snd_soc_component_driver pointer
EDAC: i7core, sb_edac: Don't return NOTIFY_BAD from mce_decoder callback
toshiba_acpi: Fix regression caused by hotkey enabling value
i2c: exynos5: Fix possible ABBA deadlock by keeping I2C clock prepared
i2c: cpm: Fix build break due to incompatible pointer types
perf intel-pt: Fix segfault tracing transactions
drm/i915: Use fw_domains_put_with_fifo() on HSW
drm/i915: Fixup the free space logic in ring_prepare
drm/amdkfd: uninitialized variable in dbgdev_wave_control_set_registers()
drm/i915: skl_update_scaler() wants a rotation bitmask instead of bit number
drm/i915: Cleanup phys status page too
pwm: brcmstb: Fix check of devm_ioremap_resource() return code
drm/dp/mst: Get validated port ref in drm_dp_update_payload_part1()
drm/dp/mst: Restore primary hub guid on resume
drm/dp/mst: Validate port in drm_dp_payload_send_msg()
drm/nouveau/gr/gf100: select a stream master to fixup tfb offset queries
drm: Loongson-3 doesn't fully support wc memory
drm/radeon: fix vertical bars appear on monitor (v2)
drm/radeon: forbid mapping of userptr bo through radeon device file
drm/radeon: fix initial connector audio value
drm/radeon: add a quirk for a XFX R9 270X
drm/amdgpu: fix regression on CIK (v2)
amdgpu/uvd: add uvd fw version for amdgpu
drm/amdgpu: bump the afmt limit for CZ, ST, Polaris
drm/amdgpu: use defines for CRTCs and AMFT blocks
drm/amdgpu: when suspending, if uvd/vce was running. need to cancel delay work.
iommu/dma: Restore scatterlist offsets correctly
iommu/amd: Fix checking of pci dma aliases
pinctrl: single: Fix pcs_parse_bits_in_pinctrl_entry to use __ffs than ffs
pinctrl: mediatek: correct debounce time unit in mtk_gpio_set_debounce
xen kconfig: don't "select INPUT_XEN_KBDDEV_FRONTEND"
Input: pmic8xxx-pwrkey - fix algorithm for converting trigger delay
Input: gtco - fix crash on detecting device without endpoints
netlink: don't send NETLINK_URELEASE for unbound sockets
nl80211: check netlink protocol in socket release notification
powerpc: Update TM user feature bits in scan_features()
powerpc: Update cpu_user_features2 in scan_features()
powerpc: scan_features() updates incorrect bits for REAL_LE
crypto: talitos - fix AEAD tcrypt tests
crypto: talitos - fix crash in talitos_cra_init()
crypto: sha1-mb - use corrcet pointer while completing jobs
crypto: ccp - Prevent information leakage on export
iwlwifi: mvm: fix memory leak in paging
iwlwifi: pcie: lower the debug level for RSA semaphore access
s390/pci: add extra padding to function measurement block
cpufreq: intel_pstate: Fix processing for turbo activation ratio
Revert "drm/amdgpu: disable runtime pm on PX laptops without dGPU power control"
Revert "drm/radeon: disable runtime pm on PX laptops without dGPU power control"
drm/i915: Fix race condition in intel_dp_destroy_mst_connector()
drm/qxl: fix cursor position with non-zero hotspot
drm/nouveau/core: use vzalloc for allocating ramht
futex: Acknowledge a new waiter in counter before plist
futex: Handle unlock_pi race gracefully
asm-generic/futex: Re-enable preemption in futex_atomic_cmpxchg_inatomic()
ALSA: hda - Add dock support for ThinkPad X260
ALSA: pcxhr: Fix missing mutex unlock
ALSA: hda - add PCI ID for Intel Broxton-T
ALSA: hda - Keep powering up ADCs on Cirrus codecs
ALSA: hda/realtek - Add ALC3234 headset mode for Optiplex 9020m
ALSA: hda - Don't trust the reported actual power state
x86 EDAC, sb_edac.c: Repair damage introduced when "fixing" channel address
x86/mm/xen: Suppress hugetlbfs in PV guests
arm64: Update PTE_RDONLY in set_pte_at() for PROT_NONE permission
arm64: Honour !PTE_WRITE in set_pte_at() for kernel mappings
sched/cgroup: Fix/cleanup cgroup teardown/init
dmaengine: pxa_dma: fix the maximum requestor line
dmaengine: hsu: correct use of channel status register
dmaengine: dw: fix master selection
debugfs: Make automount point inodes permanently empty
lib: lz4: fixed zram with lz4 on big endian machines
dm cache metadata: fix cmd_read_lock() acquiring write lock
dm cache metadata: fix READ_LOCK macros and cleanup WRITE_LOCK macros
usb: gadget: f_fs: Fix use-after-free
usb: hcd: out of bounds access in for_each_companion
xhci: fix 10 second timeout on removal of PCI hotpluggable xhci controllers
usb: xhci: fix wild pointers in xhci_mem_cleanup
xhci: resume USB 3 roothub first
usb: xhci: applying XHCI_PME_STUCK_QUIRK to Intel BXT B0 host
assoc_array: don't call compare_object() on a node
ARM: OMAP2+: hwmod: Fix updating of sysconfig register
ARM: OMAP2: Fix up interconnect barrier initialization for DRA7
ARM: mvebu: Correct unit address for linksys
ARM: dts: AM43x-epos: Fix clk parent for synctimer
KVM: arm/arm64: Handle forward time correction gracefully
kvm: x86: do not leak guest xcr0 into host interrupt handlers
x86/mce: Avoid using object after free in genpool
block: loop: fix filesystem corruption in case of aio/dio
block: partition: initialize percpuref before sending out KOBJ_ADD
Conflicts:
arch/arm64/Kconfig
arch/arm64/include/asm/cputype.h
arch/arm64/include/asm/hardirq.h
arch/arm64/include/asm/irq.h
arch/arm64/kernel/cpu_errata.c
arch/arm64/kernel/cpuinfo.c
arch/arm64/kernel/setup.c
arch/arm64/kernel/smp.c
arch/arm64/kernel/stacktrace.c
arch/arm64/mm/init.c
arch/arm64/mm/mmu.c
arch/arm64/mm/pageattr.c
mm/memcontrol.c
CRs-Fixed: 1054234
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
Change-Id: I2a7a34631ffee36ce18b9171f16d023be777392f
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Since arm64 does not use a decompressor that supplies an execution
environment where it is feasible to some extent to provide a source of
randomness, the arm64 KASLR kernel depends on the bootloader to supply
some random bits in the /chosen/kaslr-seed DT property upon kernel entry.
On UEFI systems, we can use the EFI_RNG_PROTOCOL, if supplied, to obtain
some random bits. At the same time, use it to randomize the offset of the
kernel Image in physical memory.
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit 2b5fe07a78a09a32002642b8a823428ade611f16)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
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Before we can move the command line processing before the allocation
of the kernel, which is required for detecting the 'nokaslr' option
which controls that allocation, move the converted command line higher
up in memory, to prevent it from interfering with the kernel itself.
Since x86 needs the address to fit in 32 bits, use UINT_MAX as the upper
bound there. Otherwise, use ULONG_MAX (i.e., no limit)
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit 48fcb2d0216103d15306caa4814e2381104df6d8)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
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This implements efi_random_alloc(), which allocates a chunk of memory of
a certain size at a certain alignment, and uses the random_seed argument
it receives to randomize the address of the allocation.
This is implemented by iterating over the UEFI memory map, counting the
number of suitable slots (aligned offsets) within each region, and picking
a random number between 0 and 'number of slots - 1' to select the slot,
This should guarantee that each possible offset is chosen equally likely.
Suggested-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit 2ddbfc81eac84a299cb4747a8764bc43f23e9008)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
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This exposes the firmware's implementation of EFI_RNG_PROTOCOL via a new
function efi_get_random_bytes().
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit e4fbf4767440472f9d23b0f25a2b905e1c63b6a8)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
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This moves the DISABLE_BRANCH_PROFILING define from the x86 specific
to the general CFLAGS definition for the stub. This fixes build errors
when building for arm64 with CONFIG_PROFILE_ALL_BRANCHES_ENABLED.
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Reported-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
(cherry picked from commit b523e185bba36164ca48a190f5468c140d815414)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
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UBSAN uses compile-time instrumentation to catch undefined behavior
(UB). Compiler inserts code that perform certain kinds of checks before
operations that could cause UB. If check fails (i.e. UB detected)
__ubsan_handle_* function called to print error message.
So the most of the work is done by compiler. This patch just implements
ubsan handlers printing errors.
GCC has this capability since 4.9.x [1] (see -fsanitize=undefined
option and its suboptions).
However GCC 5.x has more checkers implemented [2].
Article [3] has a bit more details about UBSAN in the GCC.
[1] - https://gcc.gnu.org/onlinedocs/gcc-4.9.0/gcc/Debugging-Options.html
[2] - https://gcc.gnu.org/onlinedocs/gcc/Debugging-Options.html
[3] - http://developerblog.redhat.com/2014/10/16/gcc-undefined-behavior-sanitizer-ubsan/
Issues which UBSAN has found thus far are:
Found bugs:
* out-of-bounds access - 97840cb67ff5 ("netfilter: nfnetlink: fix
insufficient validation in nfnetlink_bind")
undefined shifts:
* d48458d4a768 ("jbd2: use a better hash function for the revoke
table")
* 10632008b9e1 ("clockevents: Prevent shift out of bounds")
* 'x << -1' shift in ext4 -
http://lkml.kernel.org/r/<5444EF21.8020501@samsung.com>
* undefined rol32(0) -
http://lkml.kernel.org/r/<1449198241-20654-1-git-send-email-sasha.levin@oracle.com>
* undefined dirty_ratelimit calculation -
http://lkml.kernel.org/r/<566594E2.3050306@odin.com>
* undefined roundown_pow_of_two(0) -
http://lkml.kernel.org/r/<1449156616-11474-1-git-send-email-sasha.levin@oracle.com>
* [WONTFIX] undefined shift in __bpf_prog_run -
http://lkml.kernel.org/r/<CACT4Y+ZxoR3UjLgcNdUm4fECLMx2VdtfrENMtRRCdgHB2n0bJA@mail.gmail.com>
WONTFIX here because it should be fixed in bpf program, not in kernel.
signed overflows:
* 32a8df4e0b33f ("sched: Fix odd values in effective_load()
calculations")
* mul overflow in ntp -
http://lkml.kernel.org/r/<1449175608-1146-1-git-send-email-sasha.levin@oracle.com>
* incorrect conversion into rtc_time in rtc_time64_to_tm() -
http://lkml.kernel.org/r/<1449187944-11730-1-git-send-email-sasha.levin@oracle.com>
* unvalidated timespec in io_getevents() -
http://lkml.kernel.org/r/<CACT4Y+bBxVYLQ6LtOKrKtnLthqLHcw-BMp3aqP3mjdAvr9FULQ@mail.gmail.com>
* [NOTABUG] signed overflow in ktime_add_safe() -
http://lkml.kernel.org/r/<CACT4Y+aJ4muRnWxsUe1CMnA6P8nooO33kwG-c8YZg=0Xc8rJqw@mail.gmail.com>
[akpm@linux-foundation.org: fix unused local warning]
[akpm@linux-foundation.org: fix __int128 build woes]
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Yury Gribov <y.gribov@samsung.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Kostya Serebryany <kcc@google.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-repo: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/
Git-commit: c6d308534aef6c99904bf5862066360ae067abc4
[tsoni@codeaurora.org: trivial merge conflict resolution]
CRs-Fixed: 969533
Change-Id: I048b9936b1120e0d375b7932c59de78d8ef8f411
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
[satyap@codeaurora.org: trivial merge conflict resolution]
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
- "genirq: Introduce generic irq migration for cpu hotunplugged" patch
merged from tip/irq/for-arm to allow the arm64-specific part to be
upstreamed via the arm64 tree
- CPU feature detection reworked to cope with heterogeneous systems
where CPUs may not have exactly the same features. The features
reported by the kernel via internal data structures or ELF_HWCAP are
delayed until all the CPUs are up (and before user space starts)
- Support for 16KB pages, with the additional bonus of a 36-bit VA
space, though the latter only depending on EXPERT
- Implement native {relaxed, acquire, release} atomics for arm64
- New ASID allocation algorithm which avoids IPI on roll-over, together
with TLB invalidation optimisations (using local vs global where
feasible)
- KASan support for arm64
- EFI_STUB clean-up and isolation for the kernel proper (required by
KASan)
- copy_{to,from,in}_user optimisations (sharing the memcpy template)
- perf: moving arm64 to the arm32/64 shared PMU framework
- L1_CACHE_BYTES increased to 128 to accommodate Cavium hardware
- Support for the contiguous PTE hint on kernel mapping (16 consecutive
entries may be able to use a single TLB entry)
- Generic CONFIG_HZ now used on arm64
- defconfig updates
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (91 commits)
arm64/efi: fix libstub build under CONFIG_MODVERSIONS
ARM64: Enable multi-core scheduler support by default
arm64/efi: move arm64 specific stub C code to libstub
arm64: page-align sections for DEBUG_RODATA
arm64: Fix build with CONFIG_ZONE_DMA=n
arm64: Fix compat register mappings
arm64: Increase the max granular size
arm64: remove bogus TASK_SIZE_64 check
arm64: make Timer Interrupt Frequency selectable
arm64/mm: use PAGE_ALIGNED instead of IS_ALIGNED
arm64: cachetype: fix definitions of ICACHEF_* flags
arm64: cpufeature: declare enable_cpu_capabilities as static
genirq: Make the cpuhotplug migration code less noisy
arm64: Constify hwcap name string arrays
arm64/kvm: Make use of the system wide safe values
arm64/debug: Make use of the system wide safe value
arm64: Move FP/ASIMD hwcap handling to common code
arm64/HWCAP: Use system wide safe values
arm64/capabilities: Make use of system wide safe value
arm64: Delay cpu feature capability checks
...
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Now that we strictly forbid absolute relocations in libstub code,
make sure that we don't emit any when CONFIG_MODVERSIONS is enabled,
by stripping the kcrctab sections from the object file. This fixes
a build problem under CONFIG_MODVERSIONS=y.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Now that we added special handling to the C files in libstub, move
the one remaining arm64 specific EFI stub C file to libstub as
well, so that it gets the same treatment. This should prevent future
changes from resulting in binaries that may execute incorrectly in
UEFI context.
With efi-entry.S the only remaining EFI stub source file under
arch/arm64, we can also simplify the Makefile logic somewhat.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Tested-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Since arm64 does not use a builtin decompressor, the EFI stub is built
into the kernel proper. So far, this has been working fine, but actually,
since the stub is in fact a PE/COFF relocatable binary that is executed
at an unknown offset in the 1:1 mapping provided by the UEFI firmware, we
should not be seamlessly sharing code with the kernel proper, which is a
position dependent executable linked at a high virtual offset.
So instead, separate the contents of libstub and its dependencies, by
putting them into their own namespace by prefixing all of its symbols
with __efistub. This way, we have tight control over what parts of the
kernel proper are referenced by the stub.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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With the stub to kernel interface being promoted to a proper interface
so that other agents than the stub can boot the kernel proper in EFI
mode, we can remove the linux,uefi-stub-kern-ver field, considering
that its original purpose was to prevent this from happening in the
first place.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The new Properties Table feature introduced in UEFIv2.5 may
split memory regions that cover PE/COFF memory images into
separate code and data regions. Since these regions only differ
in the type (runtime code vs runtime data) and the permission
bits, but not in the memory type attributes (UC/WC/WT/WB), the
spec does not require them to be aligned to 64 KB.
Since the relative offset of PE/COFF .text and .data segments
cannot be changed on the fly, this means that we can no longer
pad out those regions to be mappable using 64 KB pages.
Unfortunately, there is no annotation in the UEFI memory map
that identifies data regions that were split off from a code
region, so we must apply this logic to all adjacent runtime
regions whose attributes only differ in the permission bits.
So instead of rounding each memory region to 64 KB alignment at
both ends, only round down regions that are not directly
preceded by another runtime region with the same type
attributes. Since the UEFI spec does not mandate that the memory
map be sorted, this means we also need to sort it first.
Note that this change will result in all EFI_MEMORY_RUNTIME
regions whose start addresses are not aligned to the OS page
size to be mapped with executable permissions (i.e., on kernels
compiled with 64 KB pages). However, since these mappings are
only active during the time that UEFI Runtime Services are being
invoked, the window for abuse is rather small.
Tested-by: Mark Salter <msalter@redhat.com>
Tested-by: Mark Rutland <mark.rutland@arm.com> [UEFI 2.4 only]
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Reviewed-by: Mark Salter <msalter@redhat.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Cc: <stable@vger.kernel.org> # v4.0+
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1443218539-7610-3-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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In not-instrumented code KASAN replaces instrumented memset/memcpy/memmove
with not-instrumented analogues __memset/__memcpy/__memove.
However, on x86 the EFI stub is not linked with the kernel. It uses
not-instrumented mem*() functions from arch/x86/boot/compressed/string.c
So we don't replace them with __mem*() variants in EFI stub.
On ARM64 the EFI stub is linked with the kernel, so we should replace
mem*() functions with __mem*(), because the EFI stub runs before KASAN
sets up early shadow.
So let's move these #undef mem* into arch's asm/efi.h which is also
included by the EFI stub.
Also, this will fix the warning in 32-bit build reported by kbuild test
robot:
efi-stub-helper.c:599:2: warning: implicit declaration of function 'memcpy'
[akpm@linux-foundation.org: use 80 cols in comment]
Signed-off-by: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Reported-by: Fengguang Wu <fengguang.wu@gmail.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With the libfdt include fixups to use "" instead of <> in the
latest dtc import in commit 4760597 (scripts/dtc: Update to upstream
version 9d3649bd3be245c9), it is no longer necessary to add explicit
include paths to use libfdt. Remove these across the kernel.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Grant Likely <grant.likely@linaro.org>
Cc: linux-mips@linux-mips.org
Cc: linuxppc-dev@lists.ozlabs.org
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When allocating memory for the copy of the FDT that the stub
modifies and passes to the kernel, it uses the current size as
an estimate of how much memory to allocate, and increases it page
by page if it turns out to be too small. However, when loading
the FDT from a UEFI configuration table, the estimated size is
left at its default value of zero, and the allocation loop runs
starting from zero all the way up to the allocation size that
finally fits the updated FDT.
Instead, retrieve the size of the FDT from the FDT header when
loading it from the UEFI config table.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Roy Franz <roy.franz@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into x86/urgent
Pull EFI fixes from Matt Fleming:
" - Fix regression in DMI sysfs code for handling "End of Table" entry
and a type bug that could lead to integer overflow. (Ivan Khoronzhuk)
- Fix boundary checking in efi_high_alloc() which can lead to memory
corruption in the EFI boot stubs. (Yinghai Lu)"
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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While adding support loading kernel and initrd above 4G to grub2 in legacy
mode, I was referring to efi_high_alloc().
That will allocate buffer for kernel and then initrd, and initrd will
use kernel buffer start as limit.
During testing found two buffers will be overlapped when initrd size is
very big like 400M.
It turns out efi_high_alloc() boundary checking is not right.
end - size will be the new start, and should not compare new
start with max, we need to make sure end is smaller than max.
[ Basically, with the current efi_high_alloc() code it's possible to
allocate memory above 'max', because efi_high_alloc() doesn't check
that the tail of the allocation is below 'max'.
If you have an EFI memory map with a single entry that looks like so,
[0xc0000000-0xc0004000]
And want to allocate 0x3000 bytes below 0xc0003000 the current code
will allocate [0xc0001000-0xc0004000], not [0xc0000000-0xc0003000]
like you would expect. - Matt ]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:
"This contains:
- EFI fixes
- a boot printout fix
- ASLR/kASLR fixes
- intel microcode driver fixes
- other misc fixes
Most of the linecount comes from an EFI revert"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/ASLR: Avoid PAGE_SIZE redefinition for UML subarch
x86/microcode/intel: Handle truncated microcode images more robustly
x86/microcode/intel: Guard against stack overflow in the loader
x86, mm/ASLR: Fix stack randomization on 64-bit systems
x86/mm/init: Fix incorrect page size in init_memory_mapping() printks
x86/mm/ASLR: Propagate base load address calculation
Documentation/x86: Fix path in zero-page.txt
x86/apic: Fix the devicetree build in certain configs
Revert "efi/libstub: Call get_memory_map() to obtain map and desc sizes"
x86/efi: Avoid triple faults during EFI mixed mode calls
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This reverts commit d1a8d66b9177105e898e73716f97eb61842c457a.
Ard reported a boot failure when running UEFI under Qemu and Xen and
experimenting with various Tianocore build options,
"As it turns out, when allocating room for the UEFI memory map using
UEFI's AllocatePool (), it may result in two new memory map entries
being created, for instance, when using Tianocore's preallocated region
feature. For example, the following region
0x00005ead5000-0x00005ebfffff [Conventional Memory| | | | | |WB|WT|WC|UC]
may be split like this
0x00005ead5000-0x00005eae2fff [Conventional Memory| | | | | |WB|WT|WC|UC]
0x00005eae3000-0x00005eae4fff [Loader Data | | | | | |WB|WT|WC|UC]
0x00005eae5000-0x00005ebfffff [Conventional Memory| | | | | |WB|WT|WC|UC]
if the preallocated Loader Data region was chosen to be right in the
middle of the original free space.
After patch d1a8d66b9177 ("efi/libstub: Call get_memory_map() to
obtain map and desc sizes"), this is not being dealt with correctly
anymore, as the existing logic to allocate room for a single additional
entry has become insufficient."
Mark requested to reinstate the old loop we had before commit
d1a8d66b9177, which grows the memory map buffer until it's big enough to
hold the EFI memory map.
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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Recently instrumentation of builtin functions calls was removed from GCC
5.0. To check the memory accessed by such functions, userspace asan
always uses interceptors for them.
So now we should do this as well. This patch declares
memset/memmove/memcpy as weak symbols. In mm/kasan/kasan.c we have our
own implementation of those functions which checks memory before accessing
it.
Default memset/memmove/memcpy now now always have aliases with '__'
prefix. For files that built without kasan instrumentation (e.g.
mm/slub.c) original mem* replaced (via #define) with prefixed variants,
cause we don't want to check memory accesses there.
Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Konstantin Serebryany <kcc@google.com>
Cc: Dmitry Chernenkov <dmitryc@google.com>
Signed-off-by: Andrey Konovalov <adech.fo@gmail.com>
Cc: Yuri Gribov <tetra2005@gmail.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Kernel Address sanitizer (KASan) is a dynamic memory error detector. It
provides fast and comprehensive solution for finding use-after-free and
out-of-bounds bugs.
KASAN uses compile-time instrumentation for checking every memory access,
therefore GCC > v4.9.2 required. v4.9.2 almost works, but has issues with
putting symbol aliases into the wrong section, which breaks kasan
instrumentation of globals.
This patch only adds infrastructure for kernel address sanitizer. It's
not available for use yet. The idea and some code was borrowed from [1].
Basic idea:
The main idea of KASAN is to use shadow memory to record whether each byte
of memory is safe to access or not, and use compiler's instrumentation to
check the shadow memory on each memory access.
Address sanitizer uses 1/8 of the memory addressable in kernel for shadow
memory and uses direct mapping with a scale and offset to translate a
memory address to its corresponding shadow address.
Here is function to translate address to corresponding shadow address:
unsigned long kasan_mem_to_shadow(unsigned long addr)
{
return (addr >> KASAN_SHADOW_SCALE_SHIFT) + KASAN_SHADOW_OFFSET;
}
where KASAN_SHADOW_SCALE_SHIFT = 3.
So for every 8 bytes there is one corresponding byte of shadow memory.
The following encoding used for each shadow byte: 0 means that all 8 bytes
of the corresponding memory region are valid for access; k (1 <= k <= 7)
means that the first k bytes are valid for access, and other (8 - k) bytes
are not; Any negative value indicates that the entire 8-bytes are
inaccessible. Different negative values used to distinguish between
different kinds of inaccessible memory (redzones, freed memory) (see
mm/kasan/kasan.h).
To be able to detect accesses to bad memory we need a special compiler.
Such compiler inserts a specific function calls (__asan_load*(addr),
__asan_store*(addr)) before each memory access of size 1, 2, 4, 8 or 16.
These functions check whether memory region is valid to access or not by
checking corresponding shadow memory. If access is not valid an error
printed.
Historical background of the address sanitizer from Dmitry Vyukov:
"We've developed the set of tools, AddressSanitizer (Asan),
ThreadSanitizer and MemorySanitizer, for user space. We actively use
them for testing inside of Google (continuous testing, fuzzing,
running prod services). To date the tools have found more than 10'000
scary bugs in Chromium, Google internal codebase and various
open-source projects (Firefox, OpenSSL, gcc, clang, ffmpeg, MySQL and
lots of others): [2] [3] [4].
The tools are part of both gcc and clang compilers.
We have not yet done massive testing under the Kernel AddressSanitizer
(it's kind of chicken and egg problem, you need it to be upstream to
start applying it extensively). To date it has found about 50 bugs.
Bugs that we've found in upstream kernel are listed in [5].
We've also found ~20 bugs in out internal version of the kernel. Also
people from Samsung and Oracle have found some.
[...]
As others noted, the main feature of AddressSanitizer is its
performance due to inline compiler instrumentation and simple linear
shadow memory. User-space Asan has ~2x slowdown on computational
programs and ~2x memory consumption increase. Taking into account that
kernel usually consumes only small fraction of CPU and memory when
running real user-space programs, I would expect that kernel Asan will
have ~10-30% slowdown and similar memory consumption increase (when we
finish all tuning).
I agree that Asan can well replace kmemcheck. We have plans to start
working on Kernel MemorySanitizer that finds uses of unitialized
memory. Asan+Msan will provide feature-parity with kmemcheck. As
others noted, Asan will unlikely replace debug slab and pagealloc that
can be enabled at runtime. Asan uses compiler instrumentation, so even
if it is disabled, it still incurs visible overheads.
Asan technology is easily portable to other architectures. Compiler
instrumentation is fully portable. Runtime has some arch-dependent
parts like shadow mapping and atomic operation interception. They are
relatively easy to port."
Comparison with other debugging features:
========================================
KMEMCHECK:
- KASan can do almost everything that kmemcheck can. KASan uses
compile-time instrumentation, which makes it significantly faster than
kmemcheck. The only advantage of kmemcheck over KASan is detection of
uninitialized memory reads.
Some brief performance testing showed that kasan could be
x500-x600 times faster than kmemcheck:
$ netperf -l 30
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to localhost (127.0.0.1) port 0 AF_INET
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
no debug: 87380 16384 16384 30.00 41624.72
kasan inline: 87380 16384 16384 30.00 12870.54
kasan outline: 87380 16384 16384 30.00 10586.39
kmemcheck: 87380 16384 16384 30.03 20.23
- Also kmemcheck couldn't work on several CPUs. It always sets
number of CPUs to 1. KASan doesn't have such limitation.
DEBUG_PAGEALLOC:
- KASan is slower than DEBUG_PAGEALLOC, but KASan works on sub-page
granularity level, so it able to find more bugs.
SLUB_DEBUG (poisoning, redzones):
- SLUB_DEBUG has lower overhead than KASan.
- SLUB_DEBUG in most cases are not able to detect bad reads,
KASan able to detect both reads and writes.
- In some cases (e.g. redzone overwritten) SLUB_DEBUG detect
bugs only on allocation/freeing of object. KASan catch
bugs right before it will happen, so we always know exact
place of first bad read/write.
[1] https://code.google.com/p/address-sanitizer/wiki/AddressSanitizerForKernel
[2] https://code.google.com/p/address-sanitizer/wiki/FoundBugs
[3] https://code.google.com/p/thread-sanitizer/wiki/FoundBugs
[4] https://code.google.com/p/memory-sanitizer/wiki/FoundBugs
[5] https://code.google.com/p/address-sanitizer/wiki/AddressSanitizerForKernel#Trophies
Based on work by Andrey Konovalov.
Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Acked-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrey Konovalov <adech.fo@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Konstantin Serebryany <kcc@google.com>
Cc: Dmitry Chernenkov <dmitryc@google.com>
Cc: Yuri Gribov <tetra2005@gmail.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"arm64 updates for 3.20:
- reimplementation of the virtual remapping of UEFI Runtime Services
in a way that is stable across kexec
- emulation of the "setend" instruction for 32-bit tasks (user
endianness switching trapped in the kernel, SCTLR_EL1.E0E bit set
accordingly)
- compat_sys_call_table implemented in C (from asm) and made it a
constant array together with sys_call_table
- export CPU cache information via /sys (like other architectures)
- DMA API implementation clean-up in preparation for IOMMU support
- macros clean-up for KVM
- dropped some unnecessary cache+tlb maintenance
- CONFIG_ARM64_CPU_SUSPEND clean-up
- defconfig update (CPU_IDLE)
The EFI changes going via the arm64 tree have been acked by Matt
Fleming. There is also a patch adding sys_*stat64 prototypes to
include/linux/syscalls.h, acked by Andrew Morton"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (47 commits)
arm64: compat: Remove incorrect comment in compat_siginfo
arm64: Fix section mismatch on alloc_init_p[mu]d()
arm64: Avoid breakage caused by .altmacro in fpsimd save/restore macros
arm64: mm: use *_sect to check for section maps
arm64: drop unnecessary cache+tlb maintenance
arm64:mm: free the useless initial page table
arm64: Enable CPU_IDLE in defconfig
arm64: kernel: remove ARM64_CPU_SUSPEND config option
arm64: make sys_call_table const
arm64: Remove asm/syscalls.h
arm64: Implement the compat_sys_call_table in C
syscalls: Declare sys_*stat64 prototypes if __ARCH_WANT_(COMPAT_)STAT64
compat: Declare compat_sys_sigpending and compat_sys_sigprocmask prototypes
arm64: uapi: expose our struct ucontext to the uapi headers
smp, ARM64: Kill SMP single function call interrupt
arm64: Emulate SETEND for AArch32 tasks
arm64: Consolidate hotplug notifier for instruction emulation
arm64: Track system support for mixed endian EL0
arm64: implement generic IOMMU configuration
arm64: Combine coherent and non-coherent swiotlb dma_ops
...
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In order to support kexec, the kernel needs to be able to deal with the
state of the UEFI firmware after SetVirtualAddressMap() has been called.
To avoid having separate code paths for non-kexec and kexec, let's move
the call to SetVirtualAddressMap() to the stub: this will guarantee us
that it will only be called once (since the stub is not executed during
kexec), and ensures that the UEFI state is identical between kexec and
normal boot.
This implies that the layout of the virtual mapping needs to be created
by the stub as well. All regions are rounded up to a naturally aligned
multiple of 64 KB (for compatibility with 64k pages kernels) and recorded
in the UEFI memory map. The kernel proper reads those values and installs
the mappings in a dedicated set of page tables that are swapped in during
UEFI Runtime Services calls.
Acked-by: Leif Lindholm <leif.lindholm@linaro.org>
Acked-by: Matt Fleming <matt.fleming@intel.com>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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On systems with 64 KB pages, it is preferable for UEFI memory map
entries to be 64 KB aligned multiples of 64 KB, because it relieves
us of having to deal with the residues.
So, if EFI_ALLOC_ALIGN is #define'd by the platform, use it to round
up all memory allocations made.
Acked-by: Matt Fleming <matt.fleming@intel.com>
Acked-by: Borislav Petkov <bp@suse.de>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into x86/efi
Pull EFI updates from Matt Fleming:
" - Move efivarfs from the misc filesystem section to pseudo filesystem,
since that's a more logical and accurate place - Leif Lindholm
- Update efibootmgr URL in Kconfig help - Peter Jones
- Improve accuracy of EFI guid function names - Borislav Petkov
- Expose firmware platform size in sysfs for the benefit of EFI boot
loader installers and other utilities - Steve McIntyre
- Cleanup __init annotations for arm64/efi code - Ard Biesheuvel
- Mark the UIE as unsupported for rtc-efi - Ard Biesheuvel
- Fix memory leak in error code path of runtime map code - Dan Carpenter
- Improve robustness of get_memory_map() by removing assumptions on the
size of efi_memory_desc_t (which could change in future spec
versions) and querying the firmware instead of guessing about the
memmap size - Ard Biesheuvel
- Remove superfluous guid unparse calls - Ivan Khoronzhuk
- Delete unnecessary chosen@0 DT node FDT code since was duplicated
from code in drivers/of and is entirely unnecessary - Leif Lindholm
There's nothing super scary, mainly cleanups, and a merge from Ricardo who
kindly picked up some patches from the linux-efi mailing list while I
was out on annual leave in December.
Perhaps the biggest risk is the get_memory_map() change from Ard, which
changes the way that both the arm64 and x86 EFI boot stub build the
early memory map. It would be good to have it bake in linux-next for a
while.
"
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This fixes two minor issues in the implementation of get_memory_map():
- Currently, it assumes that sizeof(efi_memory_desc_t) == desc_size,
which is usually true, but not mandated by the spec. (This was added
intentionally to allow future additions to the definition of
efi_memory_desc_t). The way the loop is implemented currently, the
added slack space may be insufficient if desc_size is larger, which in
some corner cases could result in the loop never terminating.
- It allocates 32 efi_memory_desc_t entries first (again, using the size
of the struct instead of desc_size), and frees and reallocates if it
turns out to be insufficient. Few implementations of UEFI have such small
memory maps, which results in a unnecessary allocate/free pair on each
invocation.
Fix this by calling the get_memory_map() boot service first with a '0'
input value for map size to retrieve the map size and desc size from the
firmware and only then perform the allocation, using desc_size rather
than sizeof(efi_memory_desc_t).
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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This ensures all stub component are freed when the kernel proper is
done booting, by prefixing the names of all ELF sections that have
the SHF_ALLOC attribute with ".init". This approach ensures that even
implicitly emitted allocated data (like initializer values and string
literals) are covered.
At the same time, remove some __init annotations in the stub that have
now become redundant, and add the __init annotation to handle_kernel_image
which will now trigger a section mismatch warning without it.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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In the absence of a DTB configuration table, the EFI stub will happily
continue attempting to boot a kernel, despite the fact that this kernel
may not function without a description of the hardware. In this case, as
with a typo'd "dtb=" option (e.g. "dbt=") or many other possible
failures, the only output seen by the user will be the rather terse
output from the EFI stub:
EFI stub: Booting Linux Kernel...
To aid those attempting to debug such failures, this patch adds a notice
when no DTB is found, making the output more helpful:
EFI stub: Booting Linux Kernel...
EFI stub: Generating empty DTB
Additionally, a positive acknowledgement is added when a user-specified
DTB is in use:
EFI stub: Booting Linux Kernel...
EFI stub: Using DTB from command line
Similarly, a positive acknowledgement is added when a DTB from a
configuration table is in use:
EFI stub: Booting Linux Kernel...
EFI stub: Using DTB from configuration table
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Leif Lindholm <leif.lindholm@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Roy Franz <roy.franz@linaro.org>
Acked-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
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Conflicts:
arch/x86/boot/compressed/eboot.c
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