| Commit message (Collapse) | Author | Age |
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commit 47e0bbb7fa985a0f1b5794a8653fae4f8f49de77 upstream.
request_firmware() failures currently won't get reported at all (the
error code is discarded). What's more, we get confusing messages, like:
# echo -n notafile > /sys/devices/virtual/misc/test_firmware/trigger_request
[ 8280.311856] test_firmware: loading 'notafile'
[ 8280.317042] test_firmware: load of 'notafile' failed: -2
[ 8280.322445] test_firmware: loaded: 0
# echo $?
0
Report the failures via write() errors, and don't say we "loaded"
anything.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 624f5ab8720b3371367327a822c267699c1823b8 upstream.
syzkaller reported a NULL pointer dereference in asn1_ber_decoder(). It
can be reproduced by the following command, assuming
CONFIG_PKCS7_TEST_KEY=y:
keyctl add pkcs7_test desc '' @s
The bug is that if the data buffer is empty, an integer underflow occurs
in the following check:
if (unlikely(dp >= datalen - 1))
goto data_overrun_error;
This results in the NULL data pointer being dereferenced.
Fix it by checking for 'datalen - dp < 2' instead.
Also fix the similar check for 'dp >= datalen - n' later in the same
function. That one possibly could result in a buffer overread.
The NULL pointer dereference was reproducible using the "pkcs7_test" key
type but not the "asymmetric" key type because the "asymmetric" key type
checks for a 0-length payload before calling into the ASN.1 decoder but
the "pkcs7_test" key type does not.
The bug report was:
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: asn1_ber_decoder+0x17f/0xe60 lib/asn1_decoder.c:233
PGD 7b708067 P4D 7b708067 PUD 7b6ee067 PMD 0
Oops: 0000 [#1] SMP
Modules linked in:
CPU: 0 PID: 522 Comm: syz-executor1 Not tainted 4.14.0-rc8 #7
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.3-20171021_125229-anatol 04/01/2014
task: ffff9b6b3798c040 task.stack: ffff9b6b37970000
RIP: 0010:asn1_ber_decoder+0x17f/0xe60 lib/asn1_decoder.c:233
RSP: 0018:ffff9b6b37973c78 EFLAGS: 00010216
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000000021c
RDX: ffffffff814a04ed RSI: ffffb1524066e000 RDI: ffffffff910759e0
RBP: ffff9b6b37973d60 R08: 0000000000000001 R09: ffff9b6b3caa4180
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f10ed1f2700(0000) GS:ffff9b6b3ea00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007b6f3000 CR4: 00000000000006f0
Call Trace:
pkcs7_parse_message+0xee/0x240 crypto/asymmetric_keys/pkcs7_parser.c:139
verify_pkcs7_signature+0x33/0x180 certs/system_keyring.c:216
pkcs7_preparse+0x41/0x70 crypto/asymmetric_keys/pkcs7_key_type.c:63
key_create_or_update+0x180/0x530 security/keys/key.c:855
SYSC_add_key security/keys/keyctl.c:122 [inline]
SyS_add_key+0xbf/0x250 security/keys/keyctl.c:62
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4585c9
RSP: 002b:00007f10ed1f1bd8 EFLAGS: 00000216 ORIG_RAX: 00000000000000f8
RAX: ffffffffffffffda RBX: 00007f10ed1f2700 RCX: 00000000004585c9
RDX: 0000000020000000 RSI: 0000000020008ffb RDI: 0000000020008000
RBP: 0000000000000000 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 00007fff1b2260ae
R13: 00007fff1b2260af R14: 00007f10ed1f2700 R15: 0000000000000000
Code: dd ca ff 48 8b 45 88 48 83 e8 01 4c 39 f0 0f 86 a8 07 00 00 e8 53 dd ca ff 49 8d 46 01 48 89 85 58 ff ff ff 48 8b 85 60 ff ff ff <42> 0f b6 0c 30 89 c8 88 8d 75 ff ff ff 83 e0 1f 89 8d 28 ff ff
RIP: asn1_ber_decoder+0x17f/0xe60 lib/asn1_decoder.c:233 RSP: ffff9b6b37973c78
CR2: 0000000000000000
Fixes: 42d5ec27f873 ("X.509: Add an ASN.1 decoder")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-46d256d
Linux 4.4.97
staging: r8712u: Fix Sparse warning in rtl871x_xmit.c
xen: don't print error message in case of missing Xenstore entry
bt8xx: fix memory leak
s390/dasd: check for device error pointer within state change interrupts
mei: return error on notification request to a disconnected client
exynos4-is: fimc-is: Unmap region obtained by of_iomap()
staging: lustre: ptlrpc: skip lock if export failed
staging: lustre: hsm: stack overrun in hai_dump_data_field
staging: lustre: llite: don't invoke direct_IO for the EOF case
platform/x86: intel_mid_thermal: Fix module autoload
scsi: aacraid: Process Error for response I/O
xen/manage: correct return value check on xenbus_scanf()
cx231xx: Fix I2C on Internal Master 3 Bus
perf tools: Only increase index if perf_evsel__new_idx() succeeds
drm/amdgpu: when dpm disabled, also need to stop/start vce.
i2c: riic: correctly finish transfers
ext4: do not use stripe_width if it is not set
ext4: fix stripe-unaligned allocations
staging: rtl8712u: Fix endian settings for structs describing network packets
mfd: axp20x: Fix axp288 PEK_DBR and PEK_DBF irqs being swapped
mfd: ab8500-sysctrl: Handle probe deferral
ARM: pxa: Don't rely on public mmc header to include leds.h
mmc: s3cmci: include linux/interrupt.h for tasklet_struct
PM / wakeirq: report a wakeup_event on dedicated wekup irq
Fix tracing sample code warning.
tracing/samples: Fix creation and deletion of simple_thread_fn creation
drm/msm: fix an integer overflow test
drm/msm: Fix potential buffer overflow issue
perf tools: Fix build failure on perl script context
ocfs2: fstrim: Fix start offset of first cluster group during fstrim
ARM: 8715/1: add a private asm/unaligned.h
ARM: dts: mvebu: pl310-cache disable double-linefill
arm64: ensure __dump_instr() checks addr_limit
ASoC: adau17x1: Workaround for noise bug in ADC
KEYS: fix out-of-bounds read during ASN.1 parsing
KEYS: return full count in keyring_read() if buffer is too small
cifs: check MaxPathNameComponentLength != 0 before using it
ALSA: seq: Fix nested rwsem annotation for lockdep splat
ALSA: timer: Add missing mutex lock for compat ioctls
BACKPORT: xfrm: Clear sk_dst_cache when applying per-socket policy.
Revert "ANDROID: sched/rt: schedtune: Add boost retention to RT"
cpufreq: Drop schedfreq governor
ANDROID: sched/rt: schedtune: Add boost retention to RT
ANDROID: sched/rt: add schedtune accounting
ANDROID: Revert "arm64: move ELF_ET_DYN_BASE to 4GB / 4MB"
ANDROID: Revert "arm: move ELF_ET_DYN_BASE to 4MB"
sched: EAS: Fix the calculation of group util in group_idle_state()
sched: EAS: update trg_cpu to backup_cpu if no energy saving for target_cpu
sched: EAS: Fix the condition to distinguish energy before/after
Conflicts:
drivers/cpufreq/Kconfig
drivers/gpu/drm/msm/msm_gem_submit.c
kernel/sched/core.c
kernel/sched/fair.c
kernel/sched/rt.c
kernel/sched/sched.h
Change-Id: I0d8c5287cb67fd47c8944a002c0ca71adcdef537
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.97
ALSA: timer: Add missing mutex lock for compat ioctls
ALSA: seq: Fix nested rwsem annotation for lockdep splat
cifs: check MaxPathNameComponentLength != 0 before using it
KEYS: return full count in keyring_read() if buffer is too small
KEYS: fix out-of-bounds read during ASN.1 parsing
ASoC: adau17x1: Workaround for noise bug in ADC
arm64: ensure __dump_instr() checks addr_limit
ARM: dts: mvebu: pl310-cache disable double-linefill
ARM: 8715/1: add a private asm/unaligned.h
ocfs2: fstrim: Fix start offset of first cluster group during fstrim
perf tools: Fix build failure on perl script context
drm/msm: Fix potential buffer overflow issue
drm/msm: fix an integer overflow test
tracing/samples: Fix creation and deletion of simple_thread_fn creation
Fix tracing sample code warning.
PM / wakeirq: report a wakeup_event on dedicated wekup irq
mmc: s3cmci: include linux/interrupt.h for tasklet_struct
ARM: pxa: Don't rely on public mmc header to include leds.h
mfd: ab8500-sysctrl: Handle probe deferral
mfd: axp20x: Fix axp288 PEK_DBR and PEK_DBF irqs being swapped
staging: rtl8712u: Fix endian settings for structs describing network packets
ext4: fix stripe-unaligned allocations
ext4: do not use stripe_width if it is not set
i2c: riic: correctly finish transfers
drm/amdgpu: when dpm disabled, also need to stop/start vce.
perf tools: Only increase index if perf_evsel__new_idx() succeeds
cx231xx: Fix I2C on Internal Master 3 Bus
xen/manage: correct return value check on xenbus_scanf()
scsi: aacraid: Process Error for response I/O
platform/x86: intel_mid_thermal: Fix module autoload
staging: lustre: llite: don't invoke direct_IO for the EOF case
staging: lustre: hsm: stack overrun in hai_dump_data_field
staging: lustre: ptlrpc: skip lock if export failed
exynos4-is: fimc-is: Unmap region obtained by of_iomap()
mei: return error on notification request to a disconnected client
s390/dasd: check for device error pointer within state change interrupts
bt8xx: fix memory leak
xen: don't print error message in case of missing Xenstore entry
staging: r8712u: Fix Sparse warning in rtl871x_xmit.c
Linux 4.4.97
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 2eb9eabf1e868fda15808954fb29b0f105ed65f1 upstream.
syzkaller with KASAN reported an out-of-bounds read in
asn1_ber_decoder(). It can be reproduced by the following command,
assuming CONFIG_X509_CERTIFICATE_PARSER=y and CONFIG_KASAN=y:
keyctl add asymmetric desc $'\x30\x30' @s
The bug is that the length of an ASN.1 data value isn't validated in the
case where it is encoded using the short form, causing the decoder to
read past the end of the input buffer. Fix it by validating the length.
The bug report was:
BUG: KASAN: slab-out-of-bounds in asn1_ber_decoder+0x10cb/0x1730 lib/asn1_decoder.c:233
Read of size 1 at addr ffff88003cccfa02 by task syz-executor0/6818
CPU: 1 PID: 6818 Comm: syz-executor0 Not tainted 4.14.0-rc7-00008-g5f479447d983 #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0xb3/0x10b lib/dump_stack.c:52
print_address_description+0x79/0x2a0 mm/kasan/report.c:252
kasan_report_error mm/kasan/report.c:351 [inline]
kasan_report+0x236/0x340 mm/kasan/report.c:409
__asan_report_load1_noabort+0x14/0x20 mm/kasan/report.c:427
asn1_ber_decoder+0x10cb/0x1730 lib/asn1_decoder.c:233
x509_cert_parse+0x1db/0x650 crypto/asymmetric_keys/x509_cert_parser.c:89
x509_key_preparse+0x64/0x7a0 crypto/asymmetric_keys/x509_public_key.c:174
asymmetric_key_preparse+0xcb/0x1a0 crypto/asymmetric_keys/asymmetric_type.c:388
key_create_or_update+0x347/0xb20 security/keys/key.c:855
SYSC_add_key security/keys/keyctl.c:122 [inline]
SyS_add_key+0x1cd/0x340 security/keys/keyctl.c:62
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x447c89
RSP: 002b:00007fca7a5d3bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000f8
RAX: ffffffffffffffda RBX: 00007fca7a5d46cc RCX: 0000000000447c89
RDX: 0000000020006f4a RSI: 0000000020006000 RDI: 0000000020001ff5
RBP: 0000000000000046 R08: fffffffffffffffd R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fca7a5d49c0 R15: 00007fca7a5d4700
Fixes: 42d5ec27f873 ("X.509: Add an ASN.1 decoder")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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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Changes in 4.4.96
workqueue: replace pool->manager_arb mutex with a flag
ALSA: hda/realtek - Add support for ALC236/ALC3204
ALSA: hda - fix headset mic problem for Dell machines with alc236
ceph: unlock dangling spinlock in try_flush_caps()
usb: xhci: Handle error condition in xhci_stop_device()
spi: uapi: spidev: add missing ioctl header
fuse: fix READDIRPLUS skipping an entry
xen/gntdev: avoid out of bounds access in case of partial gntdev_mmap()
Input: elan_i2c - add ELAN0611 to the ACPI table
Input: gtco - fix potential out-of-bound access
assoc_array: Fix a buggy node-splitting case
scsi: zfcp: fix erp_action use-before-initialize in REC action trace
scsi: sg: Re-fix off by one in sg_fill_request_table()
can: sun4i: fix loopback mode
can: kvaser_usb: Correct return value in printout
can: kvaser_usb: Ignore CMD_FLUSH_QUEUE_REPLY messages
regulator: fan53555: fix I2C device ids
x86/microcode/intel: Disable late loading on model 79
ecryptfs: fix dereference of NULL user_key_payload
Revert "drm: bridge: add DT bindings for TI ths8135"
Linux 4.4.96
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit ea6789980fdaa610d7eb63602c746bf6ec70cd2b upstream.
This fixes CVE-2017-12193.
Fix a case in the assoc_array implementation in which a new leaf is
added that needs to go into a node that happens to be full, where the
existing leaves in that node cluster together at that level to the
exclusion of new leaf.
What needs to happen is that the existing leaves get moved out to a new
node, N1, at level + 1 and the existing node needs replacing with one,
N0, that has pointers to the new leaf and to N1.
The code that tries to do this gets this wrong in two ways:
(1) The pointer that should've pointed from N0 to N1 is set to point
recursively to N0 instead.
(2) The backpointer from N0 needs to be set correctly in the case N0 is
either the root node or reached through a shortcut.
Fix this by removing this path and using the split_node path instead,
which achieves the same end, but in a more general way (thanks to Eric
Biggers for spotting the redundancy).
The problem manifests itself as:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
IP: assoc_array_apply_edit+0x59/0xe5
Fixes: 3cb989501c26 ("Add a generic associative array implementation.")
Reported-and-tested-by: WU Fan <u3536072@connect.hku.hk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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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Changes in 4.4.95
USB: devio: Revert "USB: devio: Don't corrupt user memory"
USB: core: fix out-of-bounds access bug in usb_get_bos_descriptor()
USB: serial: metro-usb: add MS7820 device id
usb: cdc_acm: Add quirk for Elatec TWN3
usb: quirks: add quirk for WORLDE MINI MIDI keyboard
usb: hub: Allow reset retry for USB2 devices on connect bounce
ALSA: usb-audio: Add native DSD support for Pro-Ject Pre Box S2 Digital
can: gs_usb: fix busy loop if no more TX context is available
usb: musb: sunxi: Explicitly release USB PHY on exit
usb: musb: Check for host-mode using is_host_active() on reset interrupt
can: esd_usb2: Fix can_dlc value for received RTR, frames
drm/nouveau/bsp/g92: disable by default
drm/nouveau/mmu: flush tlbs before deleting page tables
ALSA: seq: Enable 'use' locking in all configurations
ALSA: hda: Remove superfluous '-' added by printk conversion
i2c: ismt: Separate I2C block read from SMBus block read
brcmsmac: make some local variables 'static const' to reduce stack size
bus: mbus: fix window size calculation for 4GB windows
clockevents/drivers/cs5535: Improve resilience to spurious interrupts
rtlwifi: rtl8821ae: Fix connection lost problem
KEYS: encrypted: fix dereference of NULL user_key_payload
lib/digsig: fix dereference of NULL user_key_payload
KEYS: don't let add_key() update an uninstantiated key
pkcs7: Prevent NULL pointer dereference, since sinfo is not always set.
parisc: Avoid trashing sr2 and sr3 in LWS code
parisc: Fix double-word compare and exchange in LWS code on 32-bit kernels
sched/autogroup: Fix autogroup_move_group() to never skip sched_move_task()
f2fs crypto: replace some BUG_ON()'s with error checks
f2fs crypto: add missing locking for keyring_key access
fscrypt: fix dereference of NULL user_key_payload
KEYS: Fix race between updating and finding a negative key
fscrypto: require write access to mount to set encryption policy
FS-Cache: fix dereference of NULL user_key_payload
Linux 4.4.95
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 192cabd6a296cbc57b3d8c05c4c89d87fc102506 upstream.
digsig_verify() requests a user key, then accesses its payload.
However, a revoked key has a NULL payload, and we failed to check for
this. request_key() *does* skip revoked keys, but there is still a
window where the key can be revoked before we acquire its semaphore.
Fix it by checking for a NULL payload, treating it like a key which was
already revoked at the time it was requested.
Fixes: 051dbb918c7f ("crypto: digital signature verification support")
Reviewed-by: James Morris <james.l.morris@oracle.com>
Cc: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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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Change-Id: Ieb23e9018ae152706f1980fcd5cbd1dffb4d8be6
Signed-off-by: Greg Hackmann <ghackmann@google.com>
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People complained about ARCH_HWEIGHT_CFLAGS and how it throws a wrench
into kcov, lto, etc, experimentations.
Add asm versions for __sw_hweight{32,64}() and do explicit saving and
restoring of clobbered registers. This gets rid of the special calling
convention. We get to call those functions on !X86_FEATURE_POPCNT CPUs.
We still need to hardcode POPCNT and register operands as some old gas
versions which we support, do not know about POPCNT.
Btw, remove redundant REX prefix from 32-bit POPCNT because alternatives
can do padding now.
Suggested-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1464605787-20603-1-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit f5967101e9de12addcda4510dfbac66d7c5779c3)
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Conflicts:
lib/Makefile
Change-Id: Ie7e6dce51c7093b1162337ec8bfc5abde0d79688
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commit d41519a69b35b10af7fda867fb9100df24fdf403 upstream.
On sparc, if we have an alloca() like situation, as is the case with
SHASH_DESC_ON_STACK(), we can end up referencing deallocated stack
memory. The result can be that the value is clobbered if a trap
or interrupt arrives at just the right instruction.
It only occurs if the function ends returning a value from that
alloca() area and that value can be placed into the return value
register using a single instruction.
For example, in lib/libcrc32c.c:crc32c() we end up with a return
sequence like:
return %i7+8
lduw [%o5+16], %o0 ! MEM[(u32 *)__shash_desc.1_10 + 16B],
%o5 holds the base of the on-stack area allocated for the shash
descriptor. But the return released the stack frame and the
register window.
So if an intererupt arrives between 'return' and 'lduw', then
the value read at %o5+16 can be corrupted.
Add a data compiler barrier to work around this problem. This is
exactly what the gcc fix will end up doing as well, and it absolutely
should not change the code generated for other cpus (unless gcc
on them has the same bug :-)
With crucial insight from Eric Sandeen.
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-4b8fc9f
UPSTREAM: locking: avoid passing around 'thread_info' in mutex debugging code
ANDROID: arm64: fix undeclared 'init_thread_info' error
UPSTREAM: kdb: use task_cpu() instead of task_thread_info()->cpu
Linux 4.4.82
net: account for current skb length when deciding about UFO
ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output
mm/mempool: avoid KASAN marking mempool poison checks as use-after-free
KVM: arm/arm64: Handle hva aging while destroying the vm
sparc64: Prevent perf from running during super critical sections
udp: consistently apply ufo or fragmentation
revert "ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output"
revert "net: account for current skb length when deciding about UFO"
packet: fix tp_reserve race in packet_set_ring
net: avoid skb_warn_bad_offload false positives on UFO
tcp: fastopen: tcp_connect() must refresh the route
net: sched: set xt_tgchk_param par.nft_compat as 0 in ipt_init_target
bpf, s390: fix jit branch offset related to ldimm64
net: fix keepalive code vs TCP_FASTOPEN_CONNECT
tcp: avoid setting cwnd to invalid ssthresh after cwnd reduction states
ANDROID: keychord: Fix for a memory leak in keychord.
ANDROID: keychord: Fix races in keychord_write.
Use %zu to print resid (size_t).
ANDROID: keychord: Fix a slab out-of-bounds read.
Linux 4.4.81
workqueue: implicit ordered attribute should be overridable
net: account for current skb length when deciding about UFO
ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output
mm: don't dereference struct page fields of invalid pages
signal: protect SIGNAL_UNKILLABLE from unintentional clearing.
lib/Kconfig.debug: fix frv build failure
mm, slab: make sure that KMALLOC_MAX_SIZE will fit into MAX_ORDER
ARM: 8632/1: ftrace: fix syscall name matching
virtio_blk: fix panic in initialization error path
drm/virtio: fix framebuffer sparse warning
scsi: qla2xxx: Get mutex lock before checking optrom_state
phy state machine: failsafe leave invalid RUNNING state
x86/boot: Add missing declaration of string functions
tg3: Fix race condition in tg3_get_stats64().
net: phy: dp83867: fix irq generation
sh_eth: R8A7740 supports packet shecksumming
wext: handle NULL extra data in iwe_stream_add_point better
sparc64: Measure receiver forward progress to avoid send mondo timeout
xen-netback: correctly schedule rate-limited queues
net: phy: Fix PHY unbind crash
net: phy: Correctly process PHY_HALTED in phy_stop_machine()
net/mlx5: Fix command bad flow on command entry allocation failure
sctp: fix the check for _sctp_walk_params and _sctp_walk_errors
sctp: don't dereference ptr before leaving _sctp_walk_{params, errors}()
dccp: fix a memleak for dccp_feat_init err process
dccp: fix a memleak that dccp_ipv4 doesn't put reqsk properly
dccp: fix a memleak that dccp_ipv6 doesn't put reqsk properly
net: ethernet: nb8800: Handle all 4 RGMII modes identically
ipv6: Don't increase IPSTATS_MIB_FRAGFAILS twice in ip6_fragment()
packet: fix use-after-free in prb_retire_rx_blk_timer_expired()
openvswitch: fix potential out of bound access in parse_ct
mcs7780: Fix initialization when CONFIG_VMAP_STACK is enabled
rtnetlink: allocate more memory for dev_set_mac_address()
ipv4: initialize fib_trie prior to register_netdev_notifier call.
ipv6: avoid overflow of offset in ip6_find_1stfragopt
net: Zero terminate ifr_name in dev_ifname().
ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check()
saa7164: fix double fetch PCIe access condition
drm: rcar-du: fix backport bug
f2fs: sanity check checkpoint segno and blkoff
media: lirc: LIRC_GET_REC_RESOLUTION should return microseconds
mm, mprotect: flush TLB if potentially racing with a parallel reclaim leaving stale TLB entries
iser-target: Avoid isert_conn->cm_id dereference in isert_login_recv_done
iscsi-target: Fix delayed logout processing greater than SECONDS_FOR_LOGOUT_COMP
iscsi-target: Fix initial login PDU asynchronous socket close OOPs
iscsi-target: Fix early sk_data_ready LOGIN_FLAGS_READY race
iscsi-target: Always wait for kthread_should_stop() before kthread exit
target: Avoid mappedlun symlink creation during lun shutdown
media: platform: davinci: return -EINVAL for VPFE_CMD_S_CCDC_RAW_PARAMS ioctl
ARM: dts: armada-38x: Fix irq type for pca955
ext4: fix overflow caused by missing cast in ext4_resize_fs()
ext4: fix SEEK_HOLE/SEEK_DATA for blocksize < pagesize
mm/page_alloc: Remove kernel address exposure in free_reserved_area()
KVM: async_pf: make rcu irq exit if not triggered from idle task
ASoC: do not close shared backend dailink
ALSA: hda - Fix speaker output from VAIO VPCL14M1R
workqueue: restore WQ_UNBOUND/max_active==1 to be ordered
libata: array underflow in ata_find_dev()
ANDROID: binder: don't queue async transactions to thread.
ANDROID: binder: don't enqueue death notifications to thread todo.
ANDROID: binder: call poll_wait() unconditionally.
android: configs: move quota-related configs to recommended
BACKPORT: arm64: split thread_info from task stack
UPSTREAM: arm64: assembler: introduce ldr_this_cpu
UPSTREAM: arm64: make cpu number a percpu variable
UPSTREAM: arm64: smp: prepare for smp_processor_id() rework
BACKPORT: arm64: move sp_el0 and tpidr_el1 into cpu_suspend_ctx
UPSTREAM: arm64: prep stack walkers for THREAD_INFO_IN_TASK
UPSTREAM: arm64: unexport walk_stackframe
UPSTREAM: arm64: traps: simplify die() and __die()
UPSTREAM: arm64: factor out current_stack_pointer
BACKPORT: arm64: asm-offsets: remove unused definitions
UPSTREAM: arm64: thread_info remove stale items
UPSTREAM: thread_info: include <current.h> for THREAD_INFO_IN_TASK
UPSTREAM: thread_info: factor out restart_block
UPSTREAM: kthread: Pin the stack via try_get_task_stack()/put_task_stack() in to_live_kthread() function
UPSTREAM: sched/core: Add try_get_task_stack() and put_task_stack()
UPSTREAM: sched/core: Allow putting thread_info into task_struct
UPSTREAM: printk: when dumping regs, show the stack, not thread_info
UPSTREAM: fix up initial thread stack pointer vs thread_info confusion
UPSTREAM: Clarify naming of thread info/stack allocators
ANDROID: sdcardfs: override credential for ioctl to lower fs
Conflicts:
android/configs/android-base.cfg
arch/arm64/Kconfig
arch/arm64/include/asm/suspend.h
arch/arm64/kernel/head.S
arch/arm64/kernel/smp.c
arch/arm64/kernel/suspend.c
arch/arm64/kernel/traps.c
arch/arm64/mm/proc.S
kernel/fork.c
sound/soc/soc-pcm.c
Change-Id: I273e216c94899a838bbd208391c6cbe20b2bf683
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.81
libata: array underflow in ata_find_dev()
workqueue: restore WQ_UNBOUND/max_active==1 to be ordered
ALSA: hda - Fix speaker output from VAIO VPCL14M1R
ASoC: do not close shared backend dailink
KVM: async_pf: make rcu irq exit if not triggered from idle task
mm/page_alloc: Remove kernel address exposure in free_reserved_area()
ext4: fix SEEK_HOLE/SEEK_DATA for blocksize < pagesize
ext4: fix overflow caused by missing cast in ext4_resize_fs()
ARM: dts: armada-38x: Fix irq type for pca955
media: platform: davinci: return -EINVAL for VPFE_CMD_S_CCDC_RAW_PARAMS ioctl
target: Avoid mappedlun symlink creation during lun shutdown
iscsi-target: Always wait for kthread_should_stop() before kthread exit
iscsi-target: Fix early sk_data_ready LOGIN_FLAGS_READY race
iscsi-target: Fix initial login PDU asynchronous socket close OOPs
iscsi-target: Fix delayed logout processing greater than SECONDS_FOR_LOGOUT_COMP
iser-target: Avoid isert_conn->cm_id dereference in isert_login_recv_done
mm, mprotect: flush TLB if potentially racing with a parallel reclaim leaving stale TLB entries
media: lirc: LIRC_GET_REC_RESOLUTION should return microseconds
f2fs: sanity check checkpoint segno and blkoff
drm: rcar-du: fix backport bug
saa7164: fix double fetch PCIe access condition
ipv4: ipv6: initialize treq->txhash in cookie_v[46]_check()
net: Zero terminate ifr_name in dev_ifname().
ipv6: avoid overflow of offset in ip6_find_1stfragopt
ipv4: initialize fib_trie prior to register_netdev_notifier call.
rtnetlink: allocate more memory for dev_set_mac_address()
mcs7780: Fix initialization when CONFIG_VMAP_STACK is enabled
openvswitch: fix potential out of bound access in parse_ct
packet: fix use-after-free in prb_retire_rx_blk_timer_expired()
ipv6: Don't increase IPSTATS_MIB_FRAGFAILS twice in ip6_fragment()
net: ethernet: nb8800: Handle all 4 RGMII modes identically
dccp: fix a memleak that dccp_ipv6 doesn't put reqsk properly
dccp: fix a memleak that dccp_ipv4 doesn't put reqsk properly
dccp: fix a memleak for dccp_feat_init err process
sctp: don't dereference ptr before leaving _sctp_walk_{params, errors}()
sctp: fix the check for _sctp_walk_params and _sctp_walk_errors
net/mlx5: Fix command bad flow on command entry allocation failure
net: phy: Correctly process PHY_HALTED in phy_stop_machine()
net: phy: Fix PHY unbind crash
xen-netback: correctly schedule rate-limited queues
sparc64: Measure receiver forward progress to avoid send mondo timeout
wext: handle NULL extra data in iwe_stream_add_point better
sh_eth: R8A7740 supports packet shecksumming
net: phy: dp83867: fix irq generation
tg3: Fix race condition in tg3_get_stats64().
x86/boot: Add missing declaration of string functions
phy state machine: failsafe leave invalid RUNNING state
scsi: qla2xxx: Get mutex lock before checking optrom_state
drm/virtio: fix framebuffer sparse warning
virtio_blk: fix panic in initialization error path
ARM: 8632/1: ftrace: fix syscall name matching
mm, slab: make sure that KMALLOC_MAX_SIZE will fit into MAX_ORDER
lib/Kconfig.debug: fix frv build failure
signal: protect SIGNAL_UNKILLABLE from unintentional clearing.
mm: don't dereference struct page fields of invalid pages
ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output
net: account for current skb length when deciding about UFO
workqueue: implicit ordered attribute should be overridable
Linux 4.4.81
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit da0510c47519fe0999cffe316e1d370e29f952be ]
The build of frv allmodconfig was failing with the errors like:
/tmp/cc0JSPc3.s: Assembler messages:
/tmp/cc0JSPc3.s:1839: Error: symbol `.LSLT0' is already defined
/tmp/cc0JSPc3.s:1842: Error: symbol `.LASLTP0' is already defined
/tmp/cc0JSPc3.s:1969: Error: symbol `.LELTP0' is already defined
/tmp/cc0JSPc3.s:1970: Error: symbol `.LELT0' is already defined
Commit 866ced950bcd ("kbuild: Support split debug info v4") introduced
splitting the debug info and keeping that in a separate file. Somehow,
the frv-linux gcc did not like that and I am guessing that instead of
splitting it started copying. The first report about this is at:
https://lists.01.org/pipermail/kbuild-all/2015-July/010527.html.
I will try and see if this can work with frv and if still fails I will
open a bug report with gcc. But meanwhile this is the easiest option to
solve build failure of frv.
Fixes: 866ced950bcd ("kbuild: Support split debug info v4")
Link: http://lkml.kernel.org/r/1482062348-5352-1-git-send-email-sudipm.mukherjee@gmail.com
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This (large, atomic) allocation attempt can fail. We expect and handle
that, so avoid the scary warning.
Change-Id: I3e5d7dbe7d264c2bbeab46db6e0cb8fc9a20e607
Link: http://lkml.kernel.org/r/20160720151905.GB19146@node.shutemov.name
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Rik van Riel <riel@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Git-commit: 87cc271d5e4320d705cfdf59f68d4d037b3511b2
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
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* refs/heads/tmp-64a73ff:
Linux 4.4.76
KVM: nVMX: Fix exception injection
KVM: x86: zero base3 of unusable segments
KVM: x86/vPMU: fix undefined shift in intel_pmu_refresh()
KVM: x86: fix emulation of RSM and IRET instructions
cpufreq: s3c2416: double free on driver init error path
iommu/amd: Fix incorrect error handling in amd_iommu_bind_pasid()
iommu: Handle default domain attach failure
iommu/vt-d: Don't over-free page table directories
ocfs2: o2hb: revert hb threshold to keep compatible
x86/mm: Fix flush_tlb_page() on Xen
x86/mpx: Correctly report do_mpx_bt_fault() failures to user-space
ARM: 8685/1: ensure memblock-limit is pmd-aligned
ARM64/ACPI: Fix BAD_MADT_GICC_ENTRY() macro implementation
sched/loadavg: Avoid loadavg spikes caused by delayed NO_HZ accounting
watchdog: bcm281xx: Fix use of uninitialized spinlock.
xfrm: Oops on error in pfkey_msg2xfrm_state()
xfrm: NULL dereference on allocation failure
xfrm: fix stack access out of bounds with CONFIG_XFRM_SUB_POLICY
jump label: fix passing kbuild_cflags when checking for asm goto support
ravb: Fix use-after-free on `ifconfig eth0 down`
sctp: check af before verify address in sctp_addr_id2transport
net/mlx4_core: Eliminate warning messages for SRQ_LIMIT under SRIOV
perf probe: Fix to show correct locations for events on modules
be2net: fix status check in be_cmd_pmac_add()
s390/ctl_reg: make __ctl_load a full memory barrier
swiotlb: ensure that page-sized mappings are page-aligned
coredump: Ensure proper size of sparse core files
x86/mpx: Use compatible types in comparison to fix sparse error
mac80211: initialize SMPS field in HT capabilities
spi: davinci: use dma_mapping_error()
scsi: lpfc: avoid double free of resource identifiers
HID: i2c-hid: Add sleep between POWER ON and RESET
kernel/panic.c: add missing \n
ibmveth: Add a proper check for the availability of the checksum features
vxlan: do not age static remote mac entries
virtio_net: fix PAGE_SIZE > 64k
vfio/spapr: fail tce_iommu_attach_group() when iommu_data is null
drm/amdgpu: check ring being ready before using
net: dsa: Check return value of phy_connect_direct()
amd-xgbe: Check xgbe_init() return code
platform/x86: ideapad-laptop: handle ACPI event 1
scsi: virtio_scsi: Reject commands when virtqueue is broken
xen-netfront: Fix Rx stall during network stress and OOM
swiotlb-xen: update dev_addr after swapping pages
virtio_console: fix a crash in config_work_handler
Btrfs: fix truncate down when no_holes feature is enabled
gianfar: Do not reuse pages from emergency reserve
powerpc/eeh: Enable IO path on permanent error
net: bgmac: Remove superflous netif_carrier_on()
net: bgmac: Start transmit queue in bgmac_open
net: bgmac: Fix SOF bit checking
bgmac: Fix reversed test of build_skb() return value.
mtd: bcm47xxpart: don't fail because of bit-flips
bgmac: fix a missing check for build_skb
mtd: bcm47xxpart: limit scanned flash area on BCM47XX (MIPS) only
MIPS: ralink: fix MT7628 wled_an pinmux gpio
MIPS: ralink: fix MT7628 pinmux typos
MIPS: ralink: Fix invalid assignment of SoC type
MIPS: ralink: fix USB frequency scaling
MIPS: ralink: MT7688 pinmux fixes
net: korina: Fix NAPI versus resources freeing
MIPS: ath79: fix regression in PCI window initialization
net: mvneta: Fix for_each_present_cpu usage
ARM: dts: BCM5301X: Correct GIC_PPI interrupt flags
qla2xxx: Fix erroneous invalid handle message
scsi: lpfc: Set elsiocb contexts to NULL after freeing it
scsi: sd: Fix wrong DPOFUA disable in sd_read_cache_type
KVM: x86: fix fixing of hypercalls
mm: numa: avoid waiting on freed migrated pages
block: fix module reference leak on put_disk() call for cgroups throttle
sysctl: enable strict writes
usb: gadget: f_fs: Fix possibe deadlock
drm/vmwgfx: Free hash table allocated by cmdbuf managed res mgr
ALSA: hda - set input_path bitmap to zero after moving it to new place
ALSA: hda - Fix endless loop of codec configure
MIPS: Fix IRQ tracing & lockdep when rescheduling
MIPS: pm-cps: Drop manual cache-line alignment of ready_count
MIPS: Avoid accidental raw backtrace
mm, swap_cgroup: reschedule when neeed in swap_cgroup_swapoff()
drm/ast: Handle configuration without P2A bridge
NFSv4: fix a reference leak caused WARNING messages
netfilter: synproxy: fix conntrackd interaction
netfilter: xt_TCPMSS: add more sanity tests on tcph->doff
rtnetlink: add IFLA_GROUP to ifla_policy
ipv6: Do not leak throw route references
sfc: provide dummy definitions of vswitch functions
net: 8021q: Fix one possible panic caused by BUG_ON in free_netdev
decnet: always not take dst->__refcnt when inserting dst into hash table
net/mlx5: Wait for FW readiness before initializing command interface
ipv6: fix calling in6_ifa_hold incorrectly for dad work
igmp: add a missing spin_lock_init()
igmp: acquire pmc lock for ip_mc_clear_src()
net: caif: Fix a sleep-in-atomic bug in cfpkt_create_pfx
Fix an intermittent pr_emerg warning about lo becoming free.
af_unix: Add sockaddr length checks before accessing sa_family in bind and connect handlers
net: Zero ifla_vf_info in rtnl_fill_vfinfo()
decnet: dn_rtmsg: Improve input length sanitization in dnrmg_receive_user_skb
net: don't call strlen on non-terminated string in dev_set_alias()
ipv6: release dst on error in ip6_dst_lookup_tail
UPSTREAM: selinux: enable genfscon labeling for tracefs
Change-Id: I05ae1d6271769a99ea3817e5066f5ab6511f3254
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.76
ipv6: release dst on error in ip6_dst_lookup_tail
net: don't call strlen on non-terminated string in dev_set_alias()
decnet: dn_rtmsg: Improve input length sanitization in dnrmg_receive_user_skb
net: Zero ifla_vf_info in rtnl_fill_vfinfo()
af_unix: Add sockaddr length checks before accessing sa_family in bind and connect handlers
Fix an intermittent pr_emerg warning about lo becoming free.
net: caif: Fix a sleep-in-atomic bug in cfpkt_create_pfx
igmp: acquire pmc lock for ip_mc_clear_src()
igmp: add a missing spin_lock_init()
ipv6: fix calling in6_ifa_hold incorrectly for dad work
net/mlx5: Wait for FW readiness before initializing command interface
decnet: always not take dst->__refcnt when inserting dst into hash table
net: 8021q: Fix one possible panic caused by BUG_ON in free_netdev
sfc: provide dummy definitions of vswitch functions
ipv6: Do not leak throw route references
rtnetlink: add IFLA_GROUP to ifla_policy
netfilter: xt_TCPMSS: add more sanity tests on tcph->doff
netfilter: synproxy: fix conntrackd interaction
NFSv4: fix a reference leak caused WARNING messages
drm/ast: Handle configuration without P2A bridge
mm, swap_cgroup: reschedule when neeed in swap_cgroup_swapoff()
MIPS: Avoid accidental raw backtrace
MIPS: pm-cps: Drop manual cache-line alignment of ready_count
MIPS: Fix IRQ tracing & lockdep when rescheduling
ALSA: hda - Fix endless loop of codec configure
ALSA: hda - set input_path bitmap to zero after moving it to new place
drm/vmwgfx: Free hash table allocated by cmdbuf managed res mgr
usb: gadget: f_fs: Fix possibe deadlock
sysctl: enable strict writes
block: fix module reference leak on put_disk() call for cgroups throttle
mm: numa: avoid waiting on freed migrated pages
KVM: x86: fix fixing of hypercalls
scsi: sd: Fix wrong DPOFUA disable in sd_read_cache_type
scsi: lpfc: Set elsiocb contexts to NULL after freeing it
qla2xxx: Fix erroneous invalid handle message
ARM: dts: BCM5301X: Correct GIC_PPI interrupt flags
net: mvneta: Fix for_each_present_cpu usage
MIPS: ath79: fix regression in PCI window initialization
net: korina: Fix NAPI versus resources freeing
MIPS: ralink: MT7688 pinmux fixes
MIPS: ralink: fix USB frequency scaling
MIPS: ralink: Fix invalid assignment of SoC type
MIPS: ralink: fix MT7628 pinmux typos
MIPS: ralink: fix MT7628 wled_an pinmux gpio
mtd: bcm47xxpart: limit scanned flash area on BCM47XX (MIPS) only
bgmac: fix a missing check for build_skb
mtd: bcm47xxpart: don't fail because of bit-flips
bgmac: Fix reversed test of build_skb() return value.
net: bgmac: Fix SOF bit checking
net: bgmac: Start transmit queue in bgmac_open
net: bgmac: Remove superflous netif_carrier_on()
powerpc/eeh: Enable IO path on permanent error
gianfar: Do not reuse pages from emergency reserve
Btrfs: fix truncate down when no_holes feature is enabled
virtio_console: fix a crash in config_work_handler
swiotlb-xen: update dev_addr after swapping pages
xen-netfront: Fix Rx stall during network stress and OOM
scsi: virtio_scsi: Reject commands when virtqueue is broken
platform/x86: ideapad-laptop: handle ACPI event 1
amd-xgbe: Check xgbe_init() return code
net: dsa: Check return value of phy_connect_direct()
drm/amdgpu: check ring being ready before using
vfio/spapr: fail tce_iommu_attach_group() when iommu_data is null
virtio_net: fix PAGE_SIZE > 64k
vxlan: do not age static remote mac entries
ibmveth: Add a proper check for the availability of the checksum features
kernel/panic.c: add missing \n
HID: i2c-hid: Add sleep between POWER ON and RESET
scsi: lpfc: avoid double free of resource identifiers
spi: davinci: use dma_mapping_error()
mac80211: initialize SMPS field in HT capabilities
x86/mpx: Use compatible types in comparison to fix sparse error
coredump: Ensure proper size of sparse core files
swiotlb: ensure that page-sized mappings are page-aligned
s390/ctl_reg: make __ctl_load a full memory barrier
be2net: fix status check in be_cmd_pmac_add()
perf probe: Fix to show correct locations for events on modules
net/mlx4_core: Eliminate warning messages for SRQ_LIMIT under SRIOV
sctp: check af before verify address in sctp_addr_id2transport
ravb: Fix use-after-free on `ifconfig eth0 down`
jump label: fix passing kbuild_cflags when checking for asm goto support
xfrm: fix stack access out of bounds with CONFIG_XFRM_SUB_POLICY
xfrm: NULL dereference on allocation failure
xfrm: Oops on error in pfkey_msg2xfrm_state()
watchdog: bcm281xx: Fix use of uninitialized spinlock.
sched/loadavg: Avoid loadavg spikes caused by delayed NO_HZ accounting
ARM64/ACPI: Fix BAD_MADT_GICC_ENTRY() macro implementation
ARM: 8685/1: ensure memblock-limit is pmd-aligned
x86/mpx: Correctly report do_mpx_bt_fault() failures to user-space
x86/mm: Fix flush_tlb_page() on Xen
ocfs2: o2hb: revert hb threshold to keep compatible
iommu/vt-d: Don't over-free page table directories
iommu: Handle default domain attach failure
iommu/amd: Fix incorrect error handling in amd_iommu_bind_pasid()
cpufreq: s3c2416: double free on driver init error path
KVM: x86: fix emulation of RSM and IRET instructions
KVM: x86/vPMU: fix undefined shift in intel_pmu_refresh()
KVM: x86: zero base3 of unusable segments
KVM: nVMX: Fix exception injection
Linux 4.4.76
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 602d9858f07c72eab64f5f00e2fae55f9902cfbe ]
Some drivers do depend on page mappings to be page aligned.
Swiotlb already enforces such alignment for mappings greater than page,
extend that to page-sized mappings as well.
Without this fix, nvme hits BUG() in nvme_setup_prps(), because that routine
assumes page-aligned mappings.
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-8c91412:
Linux 4.4.75
nvme: apply DELAY_BEFORE_CHK_RDY quirk at probe time too
nvme/quirk: Add a delay before checking for adapter readiness
net: phy: fix marvell phy status reading
net: phy: Initialize mdio clock at probe function
usb: gadget: f_fs: avoid out of bounds access on comp_desc
powerpc/slb: Force a full SLB flush when we insert for a bad EA
mtd: spi-nor: fix spansion quad enable
of: Add check to of_scan_flat_dt() before accessing initial_boot_params
rxrpc: Fix several cases where a padded len isn't checked in ticket decode
USB: usbip: fix nonconforming hub descriptor
drm/amdgpu: adjust default display clock
drm/amdgpu/atom: fix ps allocation size for EnableDispPowerGating
drm/radeon: add a quirk for Toshiba Satellite L20-183
drm/radeon: add a PX quirk for another K53TK variant
iscsi-target: Reject immediate data underflow larger than SCSI transfer length
target: Fix kref->refcount underflow in transport_cmd_finish_abort
time: Fix clock->read(clock) race around clocksource changes
Input: i8042 - add Fujitsu Lifebook AH544 to notimeout list
powerpc/kprobes: Pause function_graph tracing during jprobes handling
signal: Only reschedule timers on signals timers have sent
HID: Add quirk for Dell PIXART OEM mouse
CIFS: Improve readdir verbosity
KVM: PPC: Book3S HV: Preserve userspace HTM state properly
lib/cmdline.c: fix get_options() overflow while parsing ranges
autofs: sanity check status reported with AUTOFS_DEV_IOCTL_FAIL
fs/exec.c: account for argv/envp pointers
UPSTREAM: drivers/perf: arm-pmu: fix RCU usage on pmu resume from low-power
UPSTREAM: drivers/perf: arm_pmu: implement CPU_PM notifier
ANDROID: squashfs: Fix endianness issue
ANDROID: squashfs: Fix signed division issue
Change-Id: Iabe0921dd7b9a582f5237235338ef0f730de7edb
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.75
fs/exec.c: account for argv/envp pointers
autofs: sanity check status reported with AUTOFS_DEV_IOCTL_FAIL
lib/cmdline.c: fix get_options() overflow while parsing ranges
KVM: PPC: Book3S HV: Preserve userspace HTM state properly
CIFS: Improve readdir verbosity
HID: Add quirk for Dell PIXART OEM mouse
signal: Only reschedule timers on signals timers have sent
powerpc/kprobes: Pause function_graph tracing during jprobes handling
Input: i8042 - add Fujitsu Lifebook AH544 to notimeout list
time: Fix clock->read(clock) race around clocksource changes
target: Fix kref->refcount underflow in transport_cmd_finish_abort
iscsi-target: Reject immediate data underflow larger than SCSI transfer length
drm/radeon: add a PX quirk for another K53TK variant
drm/radeon: add a quirk for Toshiba Satellite L20-183
drm/amdgpu/atom: fix ps allocation size for EnableDispPowerGating
drm/amdgpu: adjust default display clock
USB: usbip: fix nonconforming hub descriptor
rxrpc: Fix several cases where a padded len isn't checked in ticket decode
of: Add check to of_scan_flat_dt() before accessing initial_boot_params
mtd: spi-nor: fix spansion quad enable
powerpc/slb: Force a full SLB flush when we insert for a bad EA
usb: gadget: f_fs: avoid out of bounds access on comp_desc
net: phy: Initialize mdio clock at probe function
net: phy: fix marvell phy status reading
nvme/quirk: Add a delay before checking for adapter readiness
nvme: apply DELAY_BEFORE_CHK_RDY quirk at probe time too
Linux 4.4.75
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit a91e0f680bcd9e10c253ae8b62462a38bd48f09f upstream.
When using get_options() it's possible to specify a range of numbers,
like 1-100500. The problem is that it doesn't track array size while
calling internally to get_range() which iterates over the range and
fills the memory with numbers.
Link: http://lkml.kernel.org/r/2613C75C-B04D-4BFF-82A6-12F97BA0F620@gmail.com
Signed-off-by: Ilya V. Matveychikov <matvejchikov@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently, we store each page's allocation stacktrace on corresponding
page_ext structure and it requires a lot of memory. This causes the
problem that memory tight system doesn't work well if page_owner is
enabled. Moreover, even with this large memory consumption, we cannot
get full stacktrace because we allocate memory at boot time and just
maintain 8 stacktrace slots to balance memory consumption. We could
increase it to more but it would make system unusable or change system
behaviour.
To solve the problem, this patch uses stackdepot to store stacktrace.
It obviously provides memory saving but there is a drawback that
stackdepot could fail.
stackdepot allocates memory at runtime so it could fail if system has
not enough memory. But, most of allocation stack are generated at very
early time and there are much memory at this time. So, failure would
not happen easily. And, one failure means that we miss just one page's
allocation stacktrace so it would not be a big problem. In this patch,
when memory allocation failure happens, we store special stracktrace
handle to the page that is failed to save stacktrace. With it, user can
guess memory usage properly even if failure happens.
Memory saving looks as following. (4GB memory system with page_owner)
(before the patch -> after the patch)
static allocation:
92274688 bytes -> 25165824 bytes
dynamic allocation after boot + kernel build:
0 bytes -> 327680 bytes
total:
92274688 bytes -> 25493504 bytes
72% reduction in total.
Note that implementation looks complex than someone would imagine
because there is recursion issue. stackdepot uses page allocator and
page_owner is called at page allocation. Using stackdepot in page_owner
could re-call page allcator and then page_owner. That is a recursion.
To detect and avoid it, whenever we obtain stacktrace, recursion is
checked and page_owner is set to dummy information if found. Dummy
information means that this page is allocated for page_owner feature
itself (such as stackdepot) and it's understandable behavior for user.
Change-Id: I9f96f1b527836a7577b1818a6a4fde7786e23a3b
[iamjoonsoo.kim@lge.com: mm-page_owner-use-stackdepot-to-store-stacktrace-v3]
Link: http://lkml.kernel.org/r/1464230275-25791-6-git-send-email-iamjoonsoo.kim@lge.com
Link: http://lkml.kernel.org/r/1466150259-27727-7-git-send-email-iamjoonsoo.kim@lge.com
Link: http://lkml.kernel.org/r/1464230275-25791-6-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Alexander Potapenko <glider@google.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: f2ca0b55710752588ccff5224a11e6aea43a996a
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[guptap@codeaurora.org: resolve trivial merge conflicts]
Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
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Recently, we allow to save the stacktrace whose hashed value is 0. It
causes the problem that stackdepot could return 0 even if in success.
User of stackdepot cannot distinguish whether it is success or not so we
need to solve this problem. In this patch, 1 bit are added to handle
and make valid handle none 0 by setting this bit. After that, valid
handle will not be 0 and 0 handle will represent failure correctly.
Change-Id: Id3294c839edd00c36569fb8507de17ff9c89baa9
Fixes: 33334e25769c ("lib/stackdepot.c: allow the stack trace hash to be zero")
Link: http://lkml.kernel.org/r/1462252403-1106-1-git-send-email-iamjoonsoo.kim@lge.com
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: 7c31190bcfdbff225950902a9f226e4eb79ca94f
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
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Do not bail out from depot_save_stack() if the stack trace has zero hash.
Initially depot_save_stack() silently dropped stack traces with zero
hashes, however there's actually no point in reserving this zero value.
Change-Id: Ie289b59e70633657cafbb794fd05fbe5725ead28
Reported-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Alexander Potapenko <glider@google.com>
Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: 33334e25769c6ad69b983379578f42581d99a2f9
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
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Implement the stack depot and provide CONFIG_STACKDEPOT. Stack depot
will allow KASAN store allocation/deallocation stack traces for memory
chunks. The stack traces are stored in a hash table and referenced by
handles which reside in the kasan_alloc_meta and kasan_free_meta
structures in the allocated memory chunks.
IRQ stack traces are cut below the IRQ entry point to avoid unnecessary
duplication.
Right now stackdepot support is only enabled in SLAB allocator. Once
KASAN features in SLAB are on par with those in SLUB we can switch SLUB
to stackdepot as well, thus removing the dependency on SLUB stack
bookkeeping, which wastes a lot of memory.
This patch is based on the "mm: kasan: stack depots" patch originally
prepared by Dmitry Chernenkov.
Joonsoo has said that he plans to reuse the stackdepot code for the
mm/page_owner.c debugging facility.
Change-Id: I5c92d30b394de78d68443eb4dbf0cb45537049ce
[akpm@linux-foundation.org: s/depot_stack_handle/depot_stack_handle_t]
[aryabinin@virtuozzo.com: comment style fixes]
Signed-off-by: Alexander Potapenko <glider@google.com>
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrey Konovalov <adech.fo@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Konstantin Serebryany <kcc@google.com>
Cc: Dmitry Chernenkov <dmitryc@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[guptap@codeaurora.org: keep only stackdepot changes removed kasan
stackdepot enablement changes, as not required.
Reduce STACK_HASH_ORDER to 18, this is to limit kernel static size]
Git-commit: cd11016e5f5212c13c0cec7384a525edc93b4921
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
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* refs/heads/tmp-e76c0fa
Linux 4.4.72
arm64: ensure extension of smp_store_release value
arm64: armv8_deprecated: ensure extension of addr
usercopy: Adjust tests to deal with SMAP/PAN
RDMA/qib,hfi1: Fix MR reference count leak on write with immediate
arm64: entry: improve data abort handling of tagged pointers
arm64: hw_breakpoint: fix watchpoint matching for tagged pointers
Make __xfs_xattr_put_listen preperly report errors.
NFSv4: Don't perform cached access checks before we've OPENed the file
NFS: Ensure we revalidate attributes before using execute_ok()
mm: consider memblock reservations for deferred memory initialization sizing
net: better skb->sender_cpu and skb->napi_id cohabitation
serial: sh-sci: Fix panic when serial console and DMA are enabled
tty: Drop krefs for interrupted tty lock
drivers: char: mem: Fix wraparound check to allow mappings up to the end
ASoC: Fix use-after-free at card unregistration
ALSA: timer: Fix missing queue indices reset at SNDRV_TIMER_IOCTL_SELECT
ALSA: timer: Fix race between read and ioctl
drm/nouveau/tmr: fully separate alarm execution/pending lists
drm/vmwgfx: Make sure backup_handle is always valid
drm/vmwgfx: limit the number of mip levels in vmw_gb_surface_define_ioctl()
drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve()
perf/core: Drop kernel samples even though :u is specified
powerpc/hotplug-mem: Fix missing endian conversion of aa_index
powerpc/numa: Fix percpu allocations to be NUMA aware
powerpc/eeh: Avoid use after free in eeh_handle_special_event()
scsi: qla2xxx: don't disable a not previously enabled PCI device
KVM: arm/arm64: Handle possible NULL stage2 pud when ageing pages
btrfs: fix memory leak in update_space_info failure path
btrfs: use correct types for page indices in btrfs_page_exists_in_range
cxl: Fix error path on bad ioctl
ufs_getfrag_block(): we only grab ->truncate_mutex on block creation path
ufs_extend_tail(): fix the braino in calling conventions of ufs_new_fragments()
ufs: set correct ->s_maxsize
ufs: restore maintaining ->i_blocks
fix ufs_isblockset()
ufs: restore proper tail allocation
fs: add i_blocksize()
cpuset: consider dying css as offline
Input: elantech - add Fujitsu Lifebook E546/E557 to force crc_enabled
drm/msm: Expose our reservation object when exporting a dmabuf.
target: Re-add check to reject control WRITEs with overflow data
cpufreq: cpufreq_register_driver() should return -ENODEV if init fails
stackprotector: Increase the per-task stack canary's random range from 32 bits to 64 bits on 64-bit platforms
random: properly align get_random_int_hash
drivers: char: random: add get_random_long()
iio: proximity: as3935: fix AS3935_INT mask
iio: light: ltr501 Fix interchanged als/ps register field
staging/lustre/lov: remove set_fs() call from lov_getstripe()
usb: chipidea: debug: check before accessing ci_role
usb: chipidea: udc: fix NULL pointer dereference if udc_start failed
usb: gadget: f_mass_storage: Serialize wake and sleep execution
ext4: fix fdatasync(2) after extent manipulation operations
ext4: keep existing extra fields when inode expands
ext4: fix SEEK_HOLE
xen-netfront: cast grant table reference first to type int
xen-netfront: do not cast grant table reference to signed short
xen/privcmd: Support correctly 64KB page granularity when mapping memory
dmaengine: ep93xx: Always start from BASE0
dmaengine: usb-dmac: Fix DMAOR AE bit definition
KVM: async_pf: avoid async pf injection when in guest mode
arm: KVM: Allow unaligned accesses at HYP
KVM: cpuid: Fix read/write out-of-bounds vulnerability in cpuid emulation
kvm: async_pf: fix rcu_irq_enter() with irqs enabled
nfsd: Fix up the "supattr_exclcreat" attributes
nfsd4: fix null dereference on replay
drm/amdgpu/ci: disable mclk switching for high refresh rates (v2)
crypto: gcm - wait for crypto op not signal safe
KEYS: fix freeing uninitialized memory in key_update()
KEYS: fix dereferencing NULL payload with nonzero length
ptrace: Properly initialize ptracer_cred on fork
serial: ifx6x60: fix use-after-free on module unload
arch/sparc: support NR_CPUS = 4096
sparc64: delete old wrap code
sparc64: new context wrap
sparc64: add per-cpu mm of secondary contexts
sparc64: redefine first version
sparc64: combine activate_mm and switch_mm
sparc64: reset mm cpumask after wrap
sparc: Machine description indices can vary
sparc64: mm: fix copy_tsb to correctly copy huge page TSBs
net: bridge: start hello timer only if device is up
net: ethoc: enable NAPI before poll may be scheduled
net: ping: do not abuse udp_poll()
ipv6: Fix leak in ipv6_gso_segment().
vxlan: fix use-after-free on deletion
tcp: disallow cwnd undo when switching congestion control
cxgb4: avoid enabling napi twice to the same queue
ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt()
bnx2x: Fix Multi-Cos
ANDROID: uid_sys_stats: check previous uid_entry before call find_or_register_uid
ANDROID: sdcardfs: d_splice_alias can return error values
Change-Id: I829ebf1a9271dcf0462c537e7bfcbcfde322f336
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.72
bnx2x: Fix Multi-Cos
ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt()
cxgb4: avoid enabling napi twice to the same queue
tcp: disallow cwnd undo when switching congestion control
vxlan: fix use-after-free on deletion
ipv6: Fix leak in ipv6_gso_segment().
net: ping: do not abuse udp_poll()
net: ethoc: enable NAPI before poll may be scheduled
net: bridge: start hello timer only if device is up
sparc64: mm: fix copy_tsb to correctly copy huge page TSBs
sparc: Machine description indices can vary
sparc64: reset mm cpumask after wrap
sparc64: combine activate_mm and switch_mm
sparc64: redefine first version
sparc64: add per-cpu mm of secondary contexts
sparc64: new context wrap
sparc64: delete old wrap code
arch/sparc: support NR_CPUS = 4096
serial: ifx6x60: fix use-after-free on module unload
ptrace: Properly initialize ptracer_cred on fork
KEYS: fix dereferencing NULL payload with nonzero length
KEYS: fix freeing uninitialized memory in key_update()
crypto: gcm - wait for crypto op not signal safe
drm/amdgpu/ci: disable mclk switching for high refresh rates (v2)
nfsd4: fix null dereference on replay
nfsd: Fix up the "supattr_exclcreat" attributes
kvm: async_pf: fix rcu_irq_enter() with irqs enabled
KVM: cpuid: Fix read/write out-of-bounds vulnerability in cpuid emulation
arm: KVM: Allow unaligned accesses at HYP
KVM: async_pf: avoid async pf injection when in guest mode
dmaengine: usb-dmac: Fix DMAOR AE bit definition
dmaengine: ep93xx: Always start from BASE0
xen/privcmd: Support correctly 64KB page granularity when mapping memory
xen-netfront: do not cast grant table reference to signed short
xen-netfront: cast grant table reference first to type int
ext4: fix SEEK_HOLE
ext4: keep existing extra fields when inode expands
ext4: fix fdatasync(2) after extent manipulation operations
usb: gadget: f_mass_storage: Serialize wake and sleep execution
usb: chipidea: udc: fix NULL pointer dereference if udc_start failed
usb: chipidea: debug: check before accessing ci_role
staging/lustre/lov: remove set_fs() call from lov_getstripe()
iio: light: ltr501 Fix interchanged als/ps register field
iio: proximity: as3935: fix AS3935_INT mask
drivers: char: random: add get_random_long()
random: properly align get_random_int_hash
stackprotector: Increase the per-task stack canary's random range from 32 bits to 64 bits on 64-bit platforms
cpufreq: cpufreq_register_driver() should return -ENODEV if init fails
target: Re-add check to reject control WRITEs with overflow data
drm/msm: Expose our reservation object when exporting a dmabuf.
Input: elantech - add Fujitsu Lifebook E546/E557 to force crc_enabled
cpuset: consider dying css as offline
fs: add i_blocksize()
ufs: restore proper tail allocation
fix ufs_isblockset()
ufs: restore maintaining ->i_blocks
ufs: set correct ->s_maxsize
ufs_extend_tail(): fix the braino in calling conventions of ufs_new_fragments()
ufs_getfrag_block(): we only grab ->truncate_mutex on block creation path
cxl: Fix error path on bad ioctl
btrfs: use correct types for page indices in btrfs_page_exists_in_range
btrfs: fix memory leak in update_space_info failure path
KVM: arm/arm64: Handle possible NULL stage2 pud when ageing pages
scsi: qla2xxx: don't disable a not previously enabled PCI device
powerpc/eeh: Avoid use after free in eeh_handle_special_event()
powerpc/numa: Fix percpu allocations to be NUMA aware
powerpc/hotplug-mem: Fix missing endian conversion of aa_index
perf/core: Drop kernel samples even though :u is specified
drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve()
drm/vmwgfx: limit the number of mip levels in vmw_gb_surface_define_ioctl()
drm/vmwgfx: Make sure backup_handle is always valid
drm/nouveau/tmr: fully separate alarm execution/pending lists
ALSA: timer: Fix race between read and ioctl
ALSA: timer: Fix missing queue indices reset at SNDRV_TIMER_IOCTL_SELECT
ASoC: Fix use-after-free at card unregistration
drivers: char: mem: Fix wraparound check to allow mappings up to the end
tty: Drop krefs for interrupted tty lock
serial: sh-sci: Fix panic when serial console and DMA are enabled
net: better skb->sender_cpu and skb->napi_id cohabitation
mm: consider memblock reservations for deferred memory initialization sizing
NFS: Ensure we revalidate attributes before using execute_ok()
NFSv4: Don't perform cached access checks before we've OPENed the file
Make __xfs_xattr_put_listen preperly report errors.
arm64: hw_breakpoint: fix watchpoint matching for tagged pointers
arm64: entry: improve data abort handling of tagged pointers
RDMA/qib,hfi1: Fix MR reference count leak on write with immediate
usercopy: Adjust tests to deal with SMAP/PAN
arm64: armv8_deprecated: ensure extension of addr
arm64: ensure extension of smp_store_release value
Linux 4.4.72
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit f5f893c57e37ca730808cb2eee3820abd05e7507 upstream.
Under SMAP/PAN/etc, we cannot write directly to userspace memory, so
this rearranges the test bytes to get written through copy_to_user().
Additionally drops the bad copy_from_user() test that would trigger a
memcpy() against userspace on failure.
[arnd: the test module was added in 3.14, and this backported patch
should apply cleanly on all version from 3.14 to 4.10.
The original patch was in 4.11 on top of a context change
I saw the bug triggered with kselftest on a 4.4.y stable kernel]
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently CONFIG_TIMER_STATS exposes process information across namespaces:
kernel/time/timer_list.c print_timer():
SEQ_printf(m, ", %s/%d", tmp, timer->start_pid);
/proc/timer_list:
#11: <0000000000000000>, hrtimer_wakeup, S:01, do_nanosleep, cron/2570
Given that the tracer can give the same information, this patch entirely
removes CONFIG_TIMER_STATS.
Change-Id: I66e06ae2d6e32c309824310d3d9bf54d1047eab1
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: Nicolas Pitre <nicolas.pitre@linaro.org>
Cc: linux-doc@vger.kernel.org
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Xing Gao <xgao01@email.wm.edu>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jessica Frazelle <me@jessfraz.com>
Cc: kernel-hardening@lists.openwall.com
Cc: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Michal Marek <mmarek@suse.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-api@vger.kernel.org
Cc: Arjan van de Ven <arjan@linux.intel.com>
Link: http://lkml.kernel.org/r/20170208192659.GA32582@beast
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Git-commit: dfb4357da6ddbdf57d583ba64361c9d792b0e0b1
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[ohaugan@codeaurora.org: Fixed merge conflicts]
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
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* origin/tmp-285c137:
Linux 4.4.68
block: get rid of blk_integrity_revalidate()
drm/ttm: fix use-after-free races in vm fault handling
f2fs: sanity check segment count
bnxt_en: allocate enough space for ->ntp_fltr_bmap
ipv6: reorder ip6_route_dev_notifier after ipv6_dev_notf
ipv6: initialize route null entry in addrconf_init()
rtnetlink: NUL-terminate IFLA_PHYS_PORT_NAME string
ipv4, ipv6: ensure raw socket message is big enough to hold an IP header
tcp: do not inherit fastopen_req from parent
tcp: fix wraparound issue in tcp_lp
bpf, arm64: fix jit branch offset related to ldimm64
tcp: do not underestimate skb->truesize in tcp_trim_head()
ALSA: hda - Fix deadlock of controller device lock at unbinding
staging: emxx_udc: remove incorrect __init annotations
staging: wlan-ng: add missing byte order conversion
brcmfmac: Make skb header writable before use
brcmfmac: Ensure pointer correctly set if skb data location changes
MIPS: R2-on-R6 MULTU/MADDU/MSUBU emulation bugfix
scsi: mac_scsi: Fix MAC_SCSI=m option when SCSI=m
serial: 8250_omap: Fix probe and remove for PM runtime
phy: qcom-usb-hs: Add depends on EXTCON
USB: serial: io_edgeport: fix descriptor error handling
USB: serial: mct_u232: fix modem-status error handling
USB: serial: quatech2: fix control-message error handling
USB: serial: ftdi_sio: fix latency-timer error handling
USB: serial: ark3116: fix open error handling
USB: serial: ti_usb_3410_5052: fix control-message error handling
USB: serial: io_edgeport: fix epic-descriptor handling
USB: serial: ssu100: fix control-message error handling
USB: serial: digi_acceleport: fix incomplete rx sanity check
USB: serial: keyspan_pda: fix receive sanity checks
usb: chipidea: Handle extcon events properly
usb: chipidea: Only read/write OTGSC from one place
usb: host: ohci-exynos: Decrese node refcount on exynos_ehci_get_phy() error paths
usb: host: ehci-exynos: Decrese node refcount on exynos_ehci_get_phy() error paths
KVM: nVMX: do not leak PML full vmexit to L1
KVM: nVMX: initialize PML fields in vmcs02
Revert "KVM: nested VMX: disable perf cpuid reporting"
x86/platform/intel-mid: Correct MSI IRQ line for watchdog device
kprobes/x86: Fix kernel panic when certain exception-handling addresses are probed
clk: Make x86/ conditional on CONFIG_COMMON_CLK
x86/pci-calgary: Fix iommu_free() comparison of unsigned expression >= 0
x86/ioapic: Restore IO-APIC irq_chip retrigger callback
mwifiex: Avoid skipping WEP key deletion for AP
mwifiex: remove redundant dma padding in AMSDU
mwifiex: debugfs: Fix (sometimes) off-by-1 SSID print
ARM: OMAP5 / DRA7: Fix HYP mode boot for thumb2 build
leds: ktd2692: avoid harmless maybe-uninitialized warning
power: supply: bq24190_charger: Handle fault before status on interrupt
power: supply: bq24190_charger: Don't read fault register outside irq_handle_thread()
power: supply: bq24190_charger: Call power_supply_changed() for relevant component
power: supply: bq24190_charger: Install irq_handler_thread() at end of probe()
power: supply: bq24190_charger: Call set_mode_host() on pm_resume()
power: supply: bq24190_charger: Fix irq trigger to IRQF_TRIGGER_FALLING
powerpc/powernv: Fix opal_exit tracepoint opcode
cpupower: Fix turbo frequency reporting for pre-Sandy Bridge cores
ARM: 8452/3: PJ4: make coprocessor access sequences buildable in Thumb2 mode
9p: fix a potential acl leak
ANDROID: android-base.cfg: remove spurious CONFIG_MODULES line
ANDROID: memory_state_time: fix undefined behavior with missing DT properties
ANDROID: rfkill: fix unused function warning
ANDROID: make PF_KEY SHA256 use RFC-compliant truncation.
ANDROID: sdcardfs: fix sdcardfs_destroy_inode for the inode RCU approach
ANDROID: android-base.cfg: remove NETFILTER_XT_MATCH_QUOTA2_LOG
ANDROID: sdcardfs: Don't iput if we didn't igrab
ANDROID: Add untag hacks to inet_release function
Change-Id: I6d750f8bb186774ff9630beeb0ed8e680af26231
Signed-off-by: Kyle Yan <kyan@codeaurora.org>
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Changes in 4.4.68
9p: fix a potential acl leak
ARM: 8452/3: PJ4: make coprocessor access sequences buildable in Thumb2 mode
cpupower: Fix turbo frequency reporting for pre-Sandy Bridge cores
powerpc/powernv: Fix opal_exit tracepoint opcode
power: supply: bq24190_charger: Fix irq trigger to IRQF_TRIGGER_FALLING
power: supply: bq24190_charger: Call set_mode_host() on pm_resume()
power: supply: bq24190_charger: Install irq_handler_thread() at end of probe()
power: supply: bq24190_charger: Call power_supply_changed() for relevant component
power: supply: bq24190_charger: Don't read fault register outside irq_handle_thread()
power: supply: bq24190_charger: Handle fault before status on interrupt
leds: ktd2692: avoid harmless maybe-uninitialized warning
ARM: OMAP5 / DRA7: Fix HYP mode boot for thumb2 build
mwifiex: debugfs: Fix (sometimes) off-by-1 SSID print
mwifiex: remove redundant dma padding in AMSDU
mwifiex: Avoid skipping WEP key deletion for AP
x86/ioapic: Restore IO-APIC irq_chip retrigger callback
x86/pci-calgary: Fix iommu_free() comparison of unsigned expression >= 0
clk: Make x86/ conditional on CONFIG_COMMON_CLK
kprobes/x86: Fix kernel panic when certain exception-handling addresses are probed
x86/platform/intel-mid: Correct MSI IRQ line for watchdog device
Revert "KVM: nested VMX: disable perf cpuid reporting"
KVM: nVMX: initialize PML fields in vmcs02
KVM: nVMX: do not leak PML full vmexit to L1
usb: host: ehci-exynos: Decrese node refcount on exynos_ehci_get_phy() error paths
usb: host: ohci-exynos: Decrese node refcount on exynos_ehci_get_phy() error paths
usb: chipidea: Only read/write OTGSC from one place
usb: chipidea: Handle extcon events properly
USB: serial: keyspan_pda: fix receive sanity checks
USB: serial: digi_acceleport: fix incomplete rx sanity check
USB: serial: ssu100: fix control-message error handling
USB: serial: io_edgeport: fix epic-descriptor handling
USB: serial: ti_usb_3410_5052: fix control-message error handling
USB: serial: ark3116: fix open error handling
USB: serial: ftdi_sio: fix latency-timer error handling
USB: serial: quatech2: fix control-message error handling
USB: serial: mct_u232: fix modem-status error handling
USB: serial: io_edgeport: fix descriptor error handling
phy: qcom-usb-hs: Add depends on EXTCON
serial: 8250_omap: Fix probe and remove for PM runtime
scsi: mac_scsi: Fix MAC_SCSI=m option when SCSI=m
MIPS: R2-on-R6 MULTU/MADDU/MSUBU emulation bugfix
brcmfmac: Ensure pointer correctly set if skb data location changes
brcmfmac: Make skb header writable before use
staging: wlan-ng: add missing byte order conversion
staging: emxx_udc: remove incorrect __init annotations
ALSA: hda - Fix deadlock of controller device lock at unbinding
tcp: do not underestimate skb->truesize in tcp_trim_head()
bpf, arm64: fix jit branch offset related to ldimm64
tcp: fix wraparound issue in tcp_lp
tcp: do not inherit fastopen_req from parent
ipv4, ipv6: ensure raw socket message is big enough to hold an IP header
rtnetlink: NUL-terminate IFLA_PHYS_PORT_NAME string
ipv6: initialize route null entry in addrconf_init()
ipv6: reorder ip6_route_dev_notifier after ipv6_dev_notf
bnxt_en: allocate enough space for ->ntp_fltr_bmap
f2fs: sanity check segment count
drm/ttm: fix use-after-free races in vm fault handling
block: get rid of blk_integrity_revalidate()
Linux 4.4.68
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit ddc665a4bb4b728b4e6ecec8db1b64efa9184b9c ]
When the instruction right before the branch destination is
a 64 bit load immediate, we currently calculate the wrong
jump offset in the ctx->offset[] array as we only account
one instruction slot for the 64 bit load immediate although
it uses two BPF instructions. Fix it up by setting the offset
into the right slot after we incremented the index.
Before (ldimm64 test 1):
[...]
00000020: 52800007 mov w7, #0x0 // #0
00000024: d2800060 mov x0, #0x3 // #3
00000028: d2800041 mov x1, #0x2 // #2
0000002c: eb01001f cmp x0, x1
00000030: 54ffff82 b.cs 0x00000020
00000034: d29fffe7 mov x7, #0xffff // #65535
00000038: f2bfffe7 movk x7, #0xffff, lsl #16
0000003c: f2dfffe7 movk x7, #0xffff, lsl #32
00000040: f2ffffe7 movk x7, #0xffff, lsl #48
00000044: d29dddc7 mov x7, #0xeeee // #61166
00000048: f2bdddc7 movk x7, #0xeeee, lsl #16
0000004c: f2ddddc7 movk x7, #0xeeee, lsl #32
00000050: f2fdddc7 movk x7, #0xeeee, lsl #48
[...]
After (ldimm64 test 1):
[...]
00000020: 52800007 mov w7, #0x0 // #0
00000024: d2800060 mov x0, #0x3 // #3
00000028: d2800041 mov x1, #0x2 // #2
0000002c: eb01001f cmp x0, x1
00000030: 540000a2 b.cs 0x00000044
00000034: d29fffe7 mov x7, #0xffff // #65535
00000038: f2bfffe7 movk x7, #0xffff, lsl #16
0000003c: f2dfffe7 movk x7, #0xffff, lsl #32
00000040: f2ffffe7 movk x7, #0xffff, lsl #48
00000044: d29dddc7 mov x7, #0xeeee // #61166
00000048: f2bdddc7 movk x7, #0xeeee, lsl #16
0000004c: f2ddddc7 movk x7, #0xeeee, lsl #32
00000050: f2fdddc7 movk x7, #0xeeee, lsl #48
[...]
Also, add a couple of test cases to make sure JITs pass
this test. Tested on Cavium ThunderX ARMv8. The added
test cases all pass after the fix.
Fixes: 8eee539ddea0 ("arm64: bpf: fix out-of-bounds read in bpf2a64_offset()")
Reported-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: Xi Wang <xi.wang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 4.4.36 stable release
Change-Id: I757d3c6e2c6d8722b38160885ec52e177ce0735a
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This is the 4.4.34 stable release
Change-Id: Ic90323945584a7173f54595e0482d26fafd10174
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This is the 4.4.28 stable release
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Change-Id: I8c5ec371d8b612f6880b2428893bec89d7da71f6
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The strncpy_from_user() accessor is effectively a copy_from_user()
specialised to copy strings, terminating early at a NUL byte if possible.
In other respects it is identical, and can be used to copy an arbitrarily
large buffer from userspace into the kernel. Conceptually, it exposes a
similar attack surface.
As with copy_from_user(), we check the destination range when the kernel
is built with KASAN, but unlike copy_from_user() we do not check the
destination buffer when using HARDENED_USERCOPY. As strncpy_from_user()
calls get_user() in a loop, we must call check_object_size() explicitly.
This patch adds this instrumentation to strncpy_from_user(), per the same
rationale as with the regular copy_from_user(). In the absence of
hardened usercopy this will have no impact as the instrumentation expands
to an empty static inline function.
Link: http://lkml.kernel.org/r/1472221903-31181-1-git-send-email-mark.rutland@arm.com
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Bug: 31374226
Change-Id: I898e4e9f19307e37a9be497cb1a0d7f1e3911661
(cherry picked from commit bf90e56e467ed5766722972d483e6711889ed1b0)
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
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Change-Id: I6c4e7f9f47392d4b334f71e2b20f2ccf33827632
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This adds support to the generic search_extable() and sort_extable()
implementations for dealing with exception table entries whose fields
contain relative offsets rather than absolute addresses.
Acked-by: Helge Deller <deller@gmx.de>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: H. Peter Anvin <hpa@linux.intel.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Richard Henderson <rth@twiddle.net>
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 a272858a3c1ecd4a935ba23c66668f81214bd110)
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
Change-Id: I9d144d351d547c49bf3203a69dfff3cb71a51177
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This is the 4.4.22 stable release
Change-Id: Id49e3c87d2cacb2fa85d85a17226f718f4a5ac28
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This is the 4.4.21 stable release
Change-Id: I03e47d6fdca8084641c4b4f9658ea0b0edb8f297
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