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When clients wants to send QP map to HW video encoder,
they send through override extradata. This change adds
support for the same.
CRs-Fixed: 957844, 1025326
Change-Id: I25f9cc95bd50a37a4280eecb84bf93d2516d3dc2
Signed-off-by: Praneeth Paladugu <ppaladug@codeaurora.org>
Signed-off-by: Amit Shekhar <ashekhar@codeaurora.org>
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Update wlan fw version when wlan driver calls icnss_get_soc_info.
Change-Id: I1fda7209901cba2746d6d933796a07416cd1b021
CRs-Fixed: 1046753
Signed-off-by: Yuanyuan Liu <yuanliu@codeaurora.org>
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Export API for getting SOC serial number so that other modules
can use it.
CRs-Fixed: 1050491
Change-Id: I24f735159a38dffdc4f44babacc4d758cd0a8365
Signed-off-by: Yuanyuan Liu <yuanliu@codeaurora.org>
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Adaptive variable refresh(AVR) allows timing modification of a current
frame by extending the vertical front porch values. This helps
shifting the vsync to slowest vsync interval supported by panel when
GPU rendering ready event is delayed. Define an interface for AVR to
enable client to control AVR settings. Validate client input for AVR
and configure the corresponding AVR registers.
CRs-Fixed: 1043819
Change-Id: I28f786bf0bdea4ecaa17270974ba6d7ffe469828
Signed-off-by: Ramkumar Radhakrishnan <ramkumar@codeaurora.org>
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WCD audio codecs contain SPI slave hardware module to provide access
to codec memory and SPI register space. Change adds driver for this
slave hardware. This driver uses regmap for SPI internal register
accesses and plugs in to standard SPI framework as child device to
master controller driver.
CRs-Fixed: 1049012
Change-Id: I0640ac1ed60a2ec3633636760593211ecd2f9c2d
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>
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WCD audio codecs have DSP embedded to perform signal processing on
audio data. The codec driver has control over the DSP clock, power etc,
whereas the DSP memory can be accessed through an different bus slave
interface. In such cases, it is required to make sure the hardware
expected sequences are met for the DSP to function properly. The
wcd-dsp manager driver registers as master to component framework
and provides the ability to sequence the operations between the child
drivers. Upon registration of all children, the wcd-dsp manager driver
parses the wcd dsp image, downloads the image and boots up the DSP.
It invokes the component children to perform the tasks in sequence.
CRs-Fixed: 1049012
Change-Id: I059e1b111c607e49a7cc9a7940cf458e701c73d3
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>
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For USB 2.0 there is a requirement to not to flush the
USB endpoints after the pipes are disconnected. Otherwise
this can result into NOC errors. Make a change to modify the
disconnect sequence as below.
1) USB driver first disable the pipes
2) New API is provided from IPA to disable the endpoint.
3) As part of disable, make sure pipes are empty and reset
the pipes.
4) USB resets its BAM and flushes the ep.
5) USB then disconnects both IPA and USB pipes.
Change-Id: I917f025678e6abb03058d5be4ec42d9e6d76835f
CRs-Fixed: 1038623
Acked-by: Chaitanya Pratapa <cpratapa@qti.qualcomm.com>
Acked-by: Mohammed Javid <mjavid@qti.qualcomm.com>
Signed-off-by: Utkarsh Saxena <usaxena@codeaurora.org>
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CHARGER_TEMP reflects the temperature of the charging chip, and
CHARGER_TEMP_MAX reflects the temperature threshold at which the
hardware will take action to reduce the temperature of the charger.
Change-Id: I9cba8e370c753ac5aa33252fce0ea446f061b4c0
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
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hdcp_library_register API now accepts device type.
Based on the device type passed, hdcp driver would
open the corresponding device session in trusted application.
CRs-Fixed: 1027136
Change-Id: Ia1a72138967a3806253f8431b36af71eaabe816d
Signed-off-by: Shivaprasad Hongal <shongal@codeaurora.org>
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Add soc chip ID information to support APQCOBALT platform.
CRs-Fixed: 1047772
Change-Id: I17817fbf6692829959314923c514b377e612aff8
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
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Vikram reported that his ARM64 compiler managed to 'optimize' away the
preempt_count manipulations in code like:
preempt_enable_no_resched();
put_user();
preempt_disable();
Irrespective of that fact that that is horrible code that should be
fixed for many reasons, it does highlight a deficiency in the generic
preempt_count manipulators. As it is never right to combine/elide
preempt_count manipulations like this.
Therefore sprinkle some volatile in the two generic accessors to
ensure the compiler is aware of the fact that the preempt_count is
observed outside of the regular program-order view and thus cannot be
optimized away like this.
x86; the only arch not using the generic code is not affected as we
do all this in asm in order to use the segment base per-cpu stuff.
Change-Id: I781dc34fdf52823fd34f4bb93872f85847076c66
Cc: stable@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: a787870924db ("sched, arch: Create asm/preempt.h")
Reported-by: Vikram Mulukutla <markivx@codeaurora.org>
Tested-by: Vikram Mulukutla <markivx@codeaurora.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Git-commit: 2e636d5e66c35dfcbaf617aa8fa963f6847478fe
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Link: https://lkml.org/lkml/2016/5/16/190
[vmulukut@codeaurora.org: merge conflict fixups]
Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org>
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Registers for page 0x50 in the wcd934x audio codec are currently
not defined. These registers control WCD DSP register configuration
and setup. Add these register definitions so that codec driver can
read/write these registers.
CRs-Fixed: 1049012
Change-Id: If1162c09de8d4d7c330a97a1f133f6d46ce2fd74
Signed-off-by: Bhalchandra Gajare <gajare@codeaurora.org>
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Set IPA BCR register value according to HW type.
BCR register values are taken from IPA HPG and should
correlate with the relevant IPAv3.x HW type.
CRs-Fixed: 1048435
Change-Id: I5ece4a5676cf1d2fae4a5276da5833272cd95ecb
Signed-off-by: Amir Levy <alevy@codeaurora.org>
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* msm-4.4/tmp-2bf7955:
Linux 4.4.8
Revert "usb: hub: do not clear BOS field during reset device"
usbvision: fix crash on detecting device with invalid configuration
staging: android: ion: Set the length of the DMA sg entries in buffer
Revert "PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()"
Revert "PCI: Add helpers to manage pci_dev->irq and pci_dev->irq_managed"
Revert "x86/PCI: Don't alloc pcibios-irq when MSI is enabled"
HID: usbhid: fix inconsistent reset/resume/reset-resume behavior
HID: wacom: fix Bamboo ONE oops
ALSA: usb-audio: Skip volume controls triggers hangup on Dell USB Dock
ALSA: usb-audio: Add a quirk for Plantronics BT300
ALSA: usb-audio: Add a sample rate quirk for Phoenix Audio TMX320
ALSA: hda/realtek - Enable the ALC292 dock fixup on the Thinkpad T460s
ALSA: hda - fix front mic problem for a HP desktop
ALSA: hda - Fix headset support and noise on HP EliteBook 755 G2
ALSA: hda - Fixup speaker pass-through control for nid 0x14 on ALC225
mmc: sdhci-pci: Add support and PCI IDs for more Broxton host controllers
perf: Cure event->pending_disable race
perf: Do not double free
arm64: replace read_lock to rcu lock in call_step_hook
Btrfs: fix file/data loss caused by fsync after rename and new inode
iommu: Don't overwrite domain pointer when there is no default_domain
ext4: ignore quota mount options if the quota feature is enabled
ext4: add lockdep annotations for i_data_sem
btrfs: fix crash/invalid memory access on fsync when using overlayfs
nfs: use file_dentry()
fs: add file_dentry()
sd: Fix excessive capacity printing on devices with blocks bigger than 512 bytes
iio: gyro: bmg160: fix endianness when reading axes
iio: gyro: bmg160: fix buffer read values
iio: accel: bmc150: fix endianness when reading axes
iio: st_magn: always define ST_MAGN_TRIGGER_SET_STATE
usb: renesas_usbhs: fix to avoid using a disabled ep in usbhsg_queue_done()
usb: renesas_usbhs: disable TX IRQ before starting TX DMAC transfer
usb: renesas_usbhs: avoid NULL pointer derefernce in usbhsf_pkt_handler()
mac80211: fix txq queue related crashes
mac80211: fix unnecessary frame drops in mesh fwding
mac80211: fix ibss scan parameters
mac80211: avoid excessive stack usage in sta_info
mac80211: properly deal with station hashtable insert errors
virtio: virtio 1.0 cs04 spec compliance for reset
rbd: use GFP_NOIO consistently for request allocations
pcmcia: db1xxx_ss: fix last irq_to_gpio user
v4l: vsp1: Set the SRU CTRL0 register when starting the stream
coda: fix error path in case of missing pdata on non-DT platform
au0828: Fix dev_state handling
au0828: fix au0828_v4l2_close() dev_state race condition
pinctrl: freescale: imx: fix bogus check of of_iomap() return value
pinctrl: nomadik: fix pull debug print inversion
pinctrl: sunxi: Fix A33 external interrupts not working
pinctrl: sh-pfc: only use dummy states for non-DT platforms
pinctrl: pistachio: fix mfio84-89 function description and pinmux.
MIPS: Fix MSA ld unaligned failure cases
KVM: x86: reduce default value of halt_poll_ns parameter
KVM: x86: Inject pending interrupt even if pending nmi exist
cdc-acm: fix NULL pointer reference
USB: uas: Add a new NO_REPORT_LUNS quirk
USB: uas: Limit qdepth at the scsi-host level
mpls: find_outdev: check for err ptr in addition to NULL check
ipv6: Count in extension headers in skb->network_header
ip6_tunnel: set rtnl_link_ops before calling register_netdevice
ipv6: l2tp: fix a potential issue in l2tp_ip6_recv
ipv4: l2tp: fix a potential issue in l2tp_ip_recv
tuntap: restore default qdisc
tun, bpf: fix suspicious RCU usage in tun_{attach, detach}_filter
rtnl: fix msg size calculation in if_nlmsg_size()
bridge: Allow set bridge ageing time when switchdev disabled
ipv6: udp: fix UDP_MIB_IGNOREDMULTI updates
qmi_wwan: add "D-Link DWM-221 B1" device id
xfrm: Fix crash observed during device unregistration and decryption
ppp: take reference on channels netns
ipv4: initialize flowi4_flags before calling fib_lookup()
ipv4: fix broadcast packets reception
bonding: fix bond_get_stats()
net: bcmgenet: fix dma api length mismatch
qlge: Fix receive packets drop.
tcp/dccp: remove obsolete WARN_ON() in icmp handlers
ppp: ensure file->private_data can't be overridden
ath9k: fix buffer overrun for ar9287
farsync: fix off-by-one bug in fst_add_one
mlx4: add missing braces in verify_qp_parameters
net: Fix use after free in the recvmmsg exit path
ipv4: Don't do expensive useless work during inetdev destroy.
bridge: allow zero ageing time
rocker: set FDB cleanup timer according to lowest ageing time
mlxsw: spectrum: Check requested ageing time is valid
macvtap: always pass ethernet header in linear
qlcnic: Fix mailbox completion handling during spurious interrupt
qlcnic: Remove unnecessary usage of atomic_t
sh_eth: advance 'rxdesc' later in sh_eth_ring_format()
sh_eth: fix NULL pointer dereference in sh_eth_ring_format()
bpf: avoid copying junk bytes in bpf_get_current_comm()
packet: validate variable length ll headers
ax25: add link layer header validation function
net: validate variable length ll headers
ppp: release rtnl mutex when interface creation fails
tcp: fix tcpi_segs_in after connection establishment
udp6: fix UDP/IPv6 encap resubmit path
usbnet: cleanup after bind() in probe()
cdc_ncm: toggle altsetting to force reset before setup
vxlan: fix missing options_len update on RX with collect metadata
ipv6: re-enable fragment header matching in ipv6_find_hdr
qmi_wwan: add Sierra Wireless EM74xx device ID
tipc: Revert "tipc: use existing sk_write_queue for outgoing packet chain"
mld, igmp: Fix reserved tailroom calculation
sctp: lack the check for ports in sctp_v6_cmp_addr
net: fix bridge multicast packet checksum validation
net: qca_spi: clear IFF_TX_SKB_SHARING
net: qca_spi: Don't clear IFF_BROADCAST
net: vrf: Remove direct access to skb->data
net: jme: fix suspend/resume on JMC260
ipv4: only create late gso-skb if skb is already set up with CHECKSUM_PARTIAL
tunnel: Clear IPCB(skb)->opt before dst_link_failure called
tcp: convert cached rtt from usec to jiffies when feeding initial rto
xen/events: Mask a moving irq
drm/amdgpu/gmc: use proper register for vram type on Fiji
drm/amdgpu/gmc: move vram type fetching into sw_init
drm/radeon: add a dpm quirk for all R7 370 parts
drm/radeon: add another R7 370 quirk
drm/radeon: add a dpm quirk for sapphire Dual-X R7 370 2G D5
drm/udl: Use unlocked gem unreferencing
drm/dp: move hw_mutex up the call stack
arm64: opcodes.h: Add arm big-endian config options before including arm header
compiler-gcc: disable -ftracer for __noclone functions
libnvdimm, pfn: fix uuid validation
libnvdimm: fix smart data retrieval
powerpc/mm: Fixup preempt underflow with huge pages
mm: fix invalid node in alloc_migrate_target()
ALSA: hda - Apply fix for white noise on Asus N550JV, too
ALSA: hda - Fix white noise on Asus N750JV headphone
ALSA: hda - Asus N750JV external subwoofer fixup
ALSA: timer: Use mod_timer() for rearming the system timer
parisc: Unbreak handling exceptions from kernel modules
parisc: Fix kernel crash with reversed copy_from_user()
parisc: Avoid function pointers for kernel exception routines
PKCS#7: pkcs7_validate_trust(): initialize the _trusted output argument
hwmon: (max1111) Return -ENODEV from max1111_read_channel if not instantiated
Linux 4.4.7
perf/x86/intel: Fix PEBS data source interpretation on Nehalem/Westmere
perf/x86/intel: Use PAGE_SIZE for PEBS buffer size on Core2
perf/x86/intel: Fix PEBS warning by only restoring active PMU in pmi
perf/x86/pebs: Add workaround for broken OVFL status on HSW+
sched/cputime: Fix steal time accounting vs. CPU hotplug
scsi_common: do not clobber fixed sense information
PM / sleep: Clear pm_suspend_global_flags upon hibernate
intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled
mtd: onenand: fix deadlock in onenand_block_markbad
mm/page_alloc: prevent merging between isolated and other pageblocks
ocfs2/dlm: fix BUG in dlm_move_lockres_to_recovery_list
ocfs2/dlm: fix race between convert and recovery
Input: ati_remote2 - fix crashes on detecting device with invalid descriptor
Input: ims-pcu - sanity check against missing interfaces
Input: synaptics - handle spurious release of trackstick buttons, again
writeback, cgroup: fix use of the wrong bdi_writeback which mismatches the inode
writeback, cgroup: fix premature wb_put() in locked_inode_to_wb_and_lock_list()
ACPI / PM: Runtime resume devices when waking from hibernate
ARM: dts: at91: sama5d4 Xplained: don't disable hsmci regulator
ARM: dts: at91: sama5d3 Xplained: don't disable hsmci regulator
nfsd: fix deadlock secinfo+readdir compound
nfsd4: fix bad bounds checking
iser-target: Rework connection termination
iser-target: Separate flows for np listeners and connections cma events
iser-target: Add new state ISER_CONN_BOUND to isert_conn
iser-target: Fix identification of login rx descriptor type
target: Fix target_release_cmd_kref shutdown comp leak
clk: bcm2835: Fix setting of PLL divider clock rates
clk: rockchip: add hclk_cpubus to the list of rk3188 critical clocks
clk: rockchip: rk3368: fix hdmi_cec gate-register
clk: rockchip: rk3368: fix parents of video encoder/decoder
clk: rockchip: rk3368: fix cpuclk core dividers
clk: rockchip: rk3368: fix cpuclk mux bit of big cpu-cluster
mmc: sdhci: Fix override of timeout clk wrt max_busy_timeout
mmc: sdhci: fix data timeout (part 2)
mmc: sdhci: fix data timeout (part 1)
mmc: mmc_spi: Add Card Detect comments and fix CD GPIO case
mmc: block: fix ABI regression of mmc_blk_ioctl
ideapad-laptop: Add ideapad Y700 (15) to the no_hw_rfkill DMI list
MAINTAINERS: Update mailing list and web page for hwmon subsystem
kbuild/mkspec: fix grub2 installkernel issue
scripts/kconfig: allow building with make 3.80 again
scripts/coccinelle: modernize &
bitops: Do not default to __clear_bit() for __clear_bit_unlock()
tracing: Fix trace_printk() to print when not using bprintk()
tracing: Fix crash from reading trace_pipe with sendfile
tracing: Have preempt(irqs)off trace preempt disabled functions
IB/ipoib: fix for rare multicast join race condition
drm/amdgpu: include the right version of gmc header files for iceland
drm/amdgpu: disable runtime pm on PX laptops without dGPU power control
drm/radeon: Don't drop DP 2.7 Ghz link setup on some cards.
drm/radeon: disable runtime pm on PX laptops without dGPU power control
iwlwifi: mvm: Fix paging memory leak
ipr: Fix regression when loading firmware
ipr: Fix out-of-bounds null overwrite
rapidio/rionet: fix deadlock on SMP
fs/coredump: prevent fsuid=0 dumps into user-controlled directories
fuse: Add reference counting for fuse_io_priv
fuse: do not use iocb after it may have been freed
md: multipath: don't hardcopy bio in .make_request path
md/raid5: preserve STRIPE_PREREAD_ACTIVE in break_stripe_batch_list
raid10: include bio_end_io_list in nr_queued to prevent freeze_array hang
RAID5: revert e9e4c377e2f563 to fix a livelock
RAID5: check_reshape() shouldn't call mddev_suspend
md/raid5: Compare apples to apples (or sectors to sectors)
raid1: include bio_end_io_list in nr_queued to prevent freeze_array hang
xfs: fix two memory leaks in xfs_attr_list.c error paths
quota: Fix possible GPF due to uninitialised pointers
ARC: bitops: Remove non relevant comments
ARC: [BE] readl()/writel() to work in Big Endian CPU configuration
xtensa: clear all DBREAKC registers on start
xtensa: fix preemption in {clear,copy}_user_highpage
xtensa: ISS: don't hang if stdin EOF is reached
splice: handle zero nr_pages in splice_to_pipe()
vfs: show_vfsstat: do not ignore errors from show_devname method
of: alloc anywhere from memblock if range not specified
net: mvneta: enable change MAC address when interface is up
cgroup: ignore css_sets associated with dead cgroups during migration
Bluetooth: Fix potential buffer overflow with Add Advertising
Bluetooth: Add new AR3012 ID 0489:e095
watchdog: rc32434_wdt: fix ioctl error handling
watchdog: don't run proc_watchdog_update if new value is same as old
ia64: define ioremap_uc()
mm: memcontrol: reclaim and OOM kill when shrinking memory.max below usage
mm: memcontrol: reclaim when shrinking memory.high below usage
bcache: fix cache_set_flush() NULL pointer dereference on OOM
bcache: fix race of writeback thread starting before complete initialization
bcache: cleaned up error handling around register_cache()
IB/srpt: Simplify srpt_handle_tsk_mgmt()
brd: Fix discard request processing
jbd2: fix FS corruption possibility in jbd2_journal_destroy() on umount path
tools/hv: Use include/uapi with __EXPORTED_HEADERS__
ALSA: hda - Fix unconditional GPIO toggle via automute
ALSA: hda - fix the mic mute button and led problem for a Lenovo AIO
ALSA: hda - Don't handle ELD notify from invalid port
ALSA: intel8x0: Add clock quirk entry for AD1981B on IBM ThinkPad X41.
ALSA: pcm: Avoid "BUG:" string for warnings again
ALSA: hda - Apply reboot D3 fix for CX20724 codec, too
mtip32xx: Cleanup queued requests after surprise removal
mtip32xx: Implement timeout handler
mtip32xx: Handle FTL rebuild failure state during device initialization
mtip32xx: Handle safe removal during IO
mtip32xx: Fix for rmmod crash when drive is in FTL rebuild
mtip32xx: Print exact time when an internal command is interrupted
mtip32xx: Remove unwanted code from taskfile error handler
mtip32xx: Fix broken service thread handling
mtip32xx: Avoid issuing standby immediate cmd during FTL rebuild
media: v4l2-compat-ioctl32: fix missing length copy in put_v4l2_buffer32
coda: fix first encoded frame payload
bttv: Width must be a multiple of 16 when capturing planar formats
adv7511: TX_EDID_PRESENT is still 1 after a disconnect
saa7134: Fix bytesperline not being set correctly for planar formats
8250: use callbacks to access UART_DLL/UART_DLM
net: irda: Fix use-after-free in irtty_open()
tty: Fix GPF in flush_to_ldisc(), part 2
staging: comedi: ni_mio_common: fix the ni_write[blw]() functions
staging: android: ion_test: fix check of platform_device_register_simple() error code
staging: comedi: ni_tiocmd: change mistaken use of start_src for start_arg
HID: fix hid_ignore_special_drivers module parameter
HID: multitouch: force retrieving of Win8 signature blob
HID: i2c-hid: fix OOB write in i2c_hid_set_or_send_report()
HID: logitech: fix Dual Action gamepad support
tpm: fix the cleanup of struct tpm_chip
tpm_eventlog.c: fix binary_bios_measurements
tpm_crb: tpm2_shutdown() must be called before tpm_chip_unregister()
tpm: fix the rollback in tpm_chip_register()
mei: bus: check if the device is enabled before data transfer
X.509: Fix leap year handling again
crypto: marvell/cesa - forward devm_ioremap_resource() error code
crypto: ux500 - fix checks of error code returned by devm_ioremap_resource()
crypto: atmel - fix checks of error code returned by devm_ioremap_resource()
crypto: keywrap - memzero the correct memory
crypto: ccp - memset request context to zero during import
crypto: ccp - Don't assume export/import areas are aligned
crypto: ccp - Limit the amount of information exported
crypto: ccp - Add hash state import and export support
Bluetooth: btusb: Add a new AR3012 ID 13d3:3472
Bluetooth: btusb: Add a new AR3012 ID 04ca:3014
Bluetooth: btusb: Add new AR3012 ID 13d3:3395
ALSA: usb-audio: Fix double-free in error paths after snd_usb_add_audio_stream() call
ALSA: usb-audio: Minor code cleanup in create_fixed_stream_quirk()
ALSA: usb-audio: add Microsoft HD-5001 to quirks
ALSA: usb-audio: Add sanity checks for endpoint accesses
ALSA: usb-audio: Fix NULL dereference in create_fixed_stream_quirk()
Input: powermate - fix oops with malicious USB descriptors
pwc: Add USB id for Philips Spc880nc webcam
USB: option: add "D-Link DWM-221 B1" device id
USB: serial: ftdi_sio: Add support for ICP DAS I-756xU devices
USB: serial: cp210x: Adding GE Healthcare Device ID
USB: cypress_m8: add endpoint sanity check
USB: digi_acceleport: do sanity checking for the number of ports
USB: mct_u232: add sanity checking in probe
USB: usb_driver_claim_interface: add sanity checking
USB: iowarrior: fix oops with malicious USB descriptors
USB: cdc-acm: more sanity checking
USB: uas: Reduce can_queue to MAX_CMNDS
usb: hub: fix a typo in hub_port_init() leading to wrong logic
usb: retry reset if a device times out
dm: fix rq_end_stats() NULL pointer in dm_requeue_original_request()
dm cache: make sure every metadata function checks fail_io
dm thin metadata: don't issue prefetches if a transaction abort has failed
dm: fix excessive dm-mq context switching
dm snapshot: disallow the COW and origin devices from being identical
libnvdimm: Fix security issue with DSM IOCTL.
aic7xxx: Fix queue depth handling
be2iscsi: set the boot_kset pointer to NULL in case of failure
scsi: storvsc: fix SRB_STATUS_ABORTED handling
sd: Fix discard granularity when LBPRZ=1
aacraid: Set correct msix count for EEH recovery
aacraid: Fix memory leak in aac_fib_map_free
aacraid: Fix RRQ overload
sg: fix dxferp in from_to case
x86/mm: TLB_REMOTE_SEND_IPI should count pages
x86/iopl: Fix iopl capability check on Xen PV
x86/iopl/64: Properly context-switch IOPL on Xen PV
x86/apic: Fix suspicious RCU usage in smp_trace_call_function_interrupt()
x86/irq: Cure live lock in fixup_irqs()
PCI: ACPI: IA64: fix IO port generic range check
PCI: Disable IO/MEM decoding for devices with non-compliant BARs
pinctrl-bcm2835: Fix cut-and-paste error in "pull" parsing
s390/pci: enforce fmb page boundary rule
s390/cpumf: add missing lpp magic initialization
s390: fix floating pointer register corruption (again)
EDAC, amd64_edac: Shift wrapping issue in f1x_get_norm_dct_addr()
EDAC/sb_edac: Fix computation of channel address
sched/preempt, sh: kmap_coherent relies on disabled preemption
sched/cputime: Fix steal_account_process_tick() to always return jiffies
Thermal: Ignore invalid trip points
perf tools: Fix python extension build
perf tools: Fix checking asprintf return value
perf tools: Dont stop PMU parsing on alias parse error
perf/core: Fix perf_sched_count derailment
KVM: VMX: fix nested vpid for old KVM guests
KVM: VMX: avoid guest hang on invalid invvpid instruction
KVM: VMX: avoid guest hang on invalid invept instruction
KVM: fix spin_lock_init order on x86
KVM: i8254: change PIT discard tick policy
KVM: x86: fix missed hardware breakpoints
x86/PCI: Mark Broadwell-EP Home Agent & PCU as having non-compliant BARs
perf/x86/intel: Add definition for PT PMI bit
x86/entry/compat: Keep TS_COMPAT set during signal delivery
x86/microcode: Untangle from BLK_DEV_INITRD
x86/microcode/intel: Make early loader look for builtin microcode too
mmc: sh_mmcif: Correct TX DMA channel allocation
mmc: sh_mmcif: rework dma channel handling
ASoC: samsung: pass DMA channels as pointers
regulator: core: Fix nested locking of supplies
regulator: core: avoid unused variable warning
s390/cpumf: Fix lpp detection
cpufreq: dt: No need to allocate resources anymore
cpufreq: dt: No need to fetch voltage-tolerance
cpufreq: dt: Use dev_pm_opp_set_rate() to switch frequency
cpufreq: dt: Reuse dev_pm_opp_get_max_transition_latency()
cpufreq: dt: Unsupported OPPs are already disabled
cpufreq: dt: Pass regulator name to the OPP core
cpufreq: dt: OPP layers handles clock-latency for V1 bindings as well
cpufreq: dt: Rename 'need_update' to 'opp_v1'
cpufreq: dt: Convert few pr_debug/err() calls to dev_dbg/err()
cpufreq-dt: fix handling regulator_get_voltage() result
cpufreq-dt: Supply power coefficient when registering cooling devices
PM / OPP: Rename structures for clarity
PM / OPP: Fix incorrect comments
PM / OPP: Initialize regulator pointer to an error value
PM / OPP: Initialize u_volt_min/max to a valid value
PM / OPP: Fix NULL pointer dereference crash when disabling OPPs
PM / OPP: Add dev_pm_opp_set_rate()
PM / OPP: Manage device clk
PM / OPP: Parse clock-latency and voltage-tolerance for v1 bindings
PM / OPP: Introduce dev_pm_opp_get_max_transition_latency()
PM / OPP: Introduce dev_pm_opp_get_max_volt_latency()
PM / OPP: Disable OPPs that aren't supported by the regulator
PM / OPP: get/put regulators from OPP core
cpufreq: cpufreq-dt: avoid uninitialized variable warnings:
PM / OPP: Use snprintf() instead of sprintf()
PM / OPP: Set cpu_dev->id in cpumask first
PM / OPP: Fix parsing of opp-microvolt and opp-microamp properties
PM / OPP: Parse 'opp-<prop>-<name>' bindings
PM / OPP: Parse 'opp-supported-hw' binding
PM / OPP: Add missing doc comments
PM / OPP: Rename OPP nodes as opp@<opp-hz>
PM / OPP: Remove 'operating-points-names' binding
PM / OPP: Add {opp-microvolt|opp-microamp}-<name> binding
PM / OPP: Add "opp-supported-hw" binding
PM / OPP: Add debugfs support
arm64: vdso: Mark vDSO code as read-only
Conflicts:
drivers/staging/android/ion/ion.c
mm/page_alloc.c
CRs-Fixed: 1010239
Change-Id: Id59539cad642885e1e41340cebae4159ba1f7eaf
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
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This is the 4.4.8 stable release
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commit 67b4eab91caf2ad574cab1b17ae09180ea2e116e upstream.
Revert 811a4e6fce09 ("PCI: Add helpers to manage pci_dev->irq and
pci_dev->irq_managed").
This is part of reverting 991de2e59090 ("PCI, x86: Implement
pcibios_alloc_irq() and pcibios_free_irq()") to fix regressions it
introduced.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=111211
Fixes: 991de2e59090 ("PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()")
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
CC: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d101a125954eae1d397adda94ca6319485a50493 upstream.
This series fixes bugs in nfs and ext4 due to 4bacc9c9234c ("overlayfs:
Make f_path always point to the overlay and f_inode to the underlay").
Regular files opened on overlayfs will result in the file being opened on
the underlying filesystem, while f_path points to the overlayfs
mount/dentry.
This confuses filesystems which get the dentry from struct file and assume
it's theirs.
Add a new helper, file_dentry() [*], to get the filesystem's own dentry
from the file. This checks file->f_path.dentry->d_flags against
DCACHE_OP_REAL, and returns file->f_path.dentry if DCACHE_OP_REAL is not
set (this is the common, non-overlayfs case).
In the uncommon case it will call into overlayfs's ->d_real() to get the
underlying dentry, matching file_inode(file).
The reason we need to check against the inode is that if the file is copied
up while being open, d_real() would return the upper dentry, while the open
file comes from the lower dentry.
[*] If possible, it's better simply to use file_inode() instead.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Tested-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Reviewed-by: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Daniel Axtens <dja@axtens.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1363074667a6b7d0507527742ccd7bbed5e3ceaa upstream.
Add a new NO_REPORT_LUNS quirk and set it for Seagate drives with
an usb-id of: 0bc2:331a, as these will fail to respond to a
REPORT_LUNS command.
Reported-and-tested-by: David Webb <djw@noc.ac.uk>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 5a5abb1fa3b05dd6aa821525832644c1e7d2905f ]
Sasha Levin reported a suspicious rcu_dereference_protected() warning
found while fuzzing with trinity that is similar to this one:
[ 52.765684] net/core/filter.c:2262 suspicious rcu_dereference_protected() usage!
[ 52.765688] other info that might help us debug this:
[ 52.765695] rcu_scheduler_active = 1, debug_locks = 1
[ 52.765701] 1 lock held by a.out/1525:
[ 52.765704] #0: (rtnl_mutex){+.+.+.}, at: [<ffffffff816a64b7>] rtnl_lock+0x17/0x20
[ 52.765721] stack backtrace:
[ 52.765728] CPU: 1 PID: 1525 Comm: a.out Not tainted 4.5.0+ #264
[...]
[ 52.765768] Call Trace:
[ 52.765775] [<ffffffff813e488d>] dump_stack+0x85/0xc8
[ 52.765784] [<ffffffff810f2fa5>] lockdep_rcu_suspicious+0xd5/0x110
[ 52.765792] [<ffffffff816afdc2>] sk_detach_filter+0x82/0x90
[ 52.765801] [<ffffffffa0883425>] tun_detach_filter+0x35/0x90 [tun]
[ 52.765810] [<ffffffffa0884ed4>] __tun_chr_ioctl+0x354/0x1130 [tun]
[ 52.765818] [<ffffffff8136fed0>] ? selinux_file_ioctl+0x130/0x210
[ 52.765827] [<ffffffffa0885ce3>] tun_chr_ioctl+0x13/0x20 [tun]
[ 52.765834] [<ffffffff81260ea6>] do_vfs_ioctl+0x96/0x690
[ 52.765843] [<ffffffff81364af3>] ? security_file_ioctl+0x43/0x60
[ 52.765850] [<ffffffff81261519>] SyS_ioctl+0x79/0x90
[ 52.765858] [<ffffffff81003ba2>] do_syscall_64+0x62/0x140
[ 52.765866] [<ffffffff817d563f>] entry_SYSCALL64_slow_path+0x25/0x25
Same can be triggered with PROVE_RCU (+ PROVE_RCU_REPEATEDLY) enabled
from tun_attach_filter() when user space calls ioctl(tun_fd, TUN{ATTACH,
DETACH}FILTER, ...) for adding/removing a BPF filter on tap devices.
Since the fix in f91ff5b9ff52 ("net: sk_{detach|attach}_filter() rcu
fixes") sk_attach_filter()/sk_detach_filter() now dereferences the
filter with rcu_dereference_protected(), checking whether socket lock
is held in control path.
Since its introduction in 994051625981 ("tun: socket filter support"),
tap filters are managed under RTNL lock from __tun_chr_ioctl(). Thus the
sock_owned_by_user(sk) doesn't apply in this specific case and therefore
triggers the false positive.
Extend the BPF API with __sk_attach_filter()/__sk_detach_filter() pair
that is used by tap filters and pass in lockdep_rtnl_is_held() for the
rcu_dereference_protected() checks instead.
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit fe30937b65354c7fec244caebbdaae68e28ca797 ]
bond_get_stats() can be called from rtnetlink (with RTNL held)
or from /proc/net/dev seq handler (with RCU held)
The logic added in commit 5f0c5f73e5ef ("bonding: make global bonding
stats more reliable") kind of assumed only one cpu could run there.
If multiple threads are reading /proc/net/dev, stats can be really
messed up after a while.
A second problem is that some fields are 32bit, so we need to properly
handle the wrap around problem.
Given that RTNL is not always held, we need to use
bond_for_each_slave_rcu().
Fixes: 5f0c5f73e5ef ("bonding: make global bonding stats more reliable")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Andy Gospodarek <gospo@cumulusnetworks.com>
Cc: Jay Vosburgh <j.vosburgh@gmail.com>
Cc: Veaceslav Falico <vfalico@gmail.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 4c656c13b254d598e83e586b7b4d36a2043dad85 ]
This fixes a regression in the bridge ageing time caused by:
commit c62987bbd8a1 ("bridge: push bridge setting ageing_time down to switchdev")
There are users of Linux bridge which use the feature that if ageing time
is set to 0 it causes entries to never expire. See:
https://www.linuxfoundation.org/collaborate/workgroups/networking/bridge
For a pure software bridge, it is unnecessary for the code to have
arbitrary restrictions on what values are allowable.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 2793a23aacbd754dbbb5cb75093deb7e4103bace ]
Netdevice parameter hard_header_len is variously interpreted both as
an upper and lower bound on link layer header length. The field is
used as upper bound when reserving room at allocation, as lower bound
when validating user input in PF_PACKET.
Clarify the definition to be maximum header length. For validation
of untrusted headers, add an optional validate member to header_ops.
Allow bypassing of validation by passing CAP_SYS_RAWIO, for instance
for deliberate testing of corrupt input. In this case, pad trailing
bytes, as some device drivers expect completely initialized headers.
See also http://comments.gmane.org/gmane.linux.network/401064
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 1837b2e2bcd23137766555a63867e649c0b637f0 ]
The current reserved_tailroom calculation fails to take hlen and tlen into
account.
skb:
[__hlen__|__data____________|__tlen___|__extra__]
^ ^
head skb_end_offset
In this representation, hlen + data + tlen is the size passed to alloc_skb.
"extra" is the extra space made available in __alloc_skb because of
rounding up by kmalloc. We can reorder the representation like so:
[__hlen__|__data____________|__extra__|__tlen___]
^ ^
head skb_end_offset
The maximum space available for ip headers and payload without
fragmentation is min(mtu, data + extra). Therefore,
reserved_tailroom
= data + extra + tlen - min(mtu, data + extra)
= skb_end_offset - hlen - min(mtu, skb_end_offset - hlen - tlen)
= skb_tailroom - min(mtu, skb_tailroom - tlen) ; after skb_reserve(hlen)
Compare the second line to the current expression:
reserved_tailroom = skb_end_offset - min(mtu, skb_end_offset)
and we can see that hlen and tlen are not taken into account.
The min() in the third line can be expanded into:
if mtu < skb_tailroom - tlen:
reserved_tailroom = skb_tailroom - mtu
else:
reserved_tailroom = tlen
Depending on hlen, tlen, mtu and the number of multicast address records,
the current code may output skbs that have less tailroom than
dev->needed_tailroom or it may output more skbs than needed because not all
space available is used.
Fixes: 4c672e4b ("ipv6: mld: fix add_grhead skb_over_panic for devs with large MTUs")
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 9b368814b336b0a1a479135eb2815edbc00efd3c ]
We need to update the skb->csum after pulling the skb, otherwise
an unnecessary checksum (re)computation can ocure for IGMP/MLD packets
in the bridge code. Additionally this fixes the following splats for
network devices / bridge ports with support for and enabled RX checksum
offloading:
[...]
[ 43.986968] eth0: hw csum failure
[ 43.990344] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.4.0 #2
[ 43.996193] Hardware name: BCM2709
[ 43.999647] [<800204e0>] (unwind_backtrace) from [<8001cf14>] (show_stack+0x10/0x14)
[ 44.007432] [<8001cf14>] (show_stack) from [<801ab614>] (dump_stack+0x80/0x90)
[ 44.014695] [<801ab614>] (dump_stack) from [<802e4548>] (__skb_checksum_complete+0x6c/0xac)
[ 44.023090] [<802e4548>] (__skb_checksum_complete) from [<803a055c>] (ipv6_mc_validate_checksum+0x104/0x178)
[ 44.032959] [<803a055c>] (ipv6_mc_validate_checksum) from [<802e111c>] (skb_checksum_trimmed+0x130/0x188)
[ 44.042565] [<802e111c>] (skb_checksum_trimmed) from [<803a06e8>] (ipv6_mc_check_mld+0x118/0x338)
[ 44.051501] [<803a06e8>] (ipv6_mc_check_mld) from [<803b2c98>] (br_multicast_rcv+0x5dc/0xd00)
[ 44.060077] [<803b2c98>] (br_multicast_rcv) from [<803aa510>] (br_handle_frame_finish+0xac/0x51c)
[...]
Fixes: 9afd85c9e455 ("net: Export IGMP/MLD message validation code")
Reported-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 95272c29378ee7dc15f43fa2758cb28a5913a06d upstream.
-ftracer can duplicate asm blocks causing compilation to fail in
noclone functions. For example, KVM declares a global variable
in an asm like
asm("2: ... \n
.pushsection data \n
.global vmx_return \n
vmx_return: .long 2b");
and -ftracer causes a double declaration.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: kvm@vger.kernel.org
Reported-by: Linda Walsh <lkml@tlinx.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 4.4.7 stable release
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commit f75d48644c56a31731d17fa693c8175328957e1d upstream.
__clear_bit_unlock() is a special little snowflake. While it carries the
non-atomic '__' prefix, it is specifically documented to pair with
test_and_set_bit() and therefore should be 'somewhat' atomic.
Therefore the generic implementation of __clear_bit_unlock() cannot use
the fully non-atomic __clear_bit() as a default.
If an arch is able to do better; is must provide an implementation of
__clear_bit_unlock() itself.
Specifically, this came up as a result of hackbench livelock'ing in
slab_lock() on ARC with SMP + SLUB + !LLSC.
The issue was incorrect pairing of atomic ops.
slab_lock() -> bit_spin_lock() -> test_and_set_bit()
slab_unlock() -> __bit_spin_unlock() -> __clear_bit()
The non serializing __clear_bit() was getting "lost"
80543b8e: ld_s r2,[r13,0] <--- (A) Finds PG_locked is set
80543b90: or r3,r2,1 <--- (B) other core unlocks right here
80543b94: st_s r3,[r13,0] <--- (C) sets PG_locked (overwrites unlock)
Fixes ARC STAR 9000817404 (and probably more).
Reported-by: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Tested-by: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Helge Deller <deller@gmx.de>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Noam Camus <noamc@ezchip.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160309114054.GJ6356@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3debb0a9ddb16526de8b456491b7db60114f7b5e upstream.
The trace_printk() code will allocate extra buffers if the compile detects
that a trace_printk() is used. To do this, the format of the trace_printk()
is saved to the __trace_printk_fmt section, and if that section is bigger
than zero, the buffers are allocated (along with a message that this has
happened).
If trace_printk() uses a format that is not a constant, and thus something
not guaranteed to be around when the print happens, the compiler optimizes
the fmt out, as it is not used, and the __trace_printk_fmt section is not
filled. This means the kernel will not allocate the special buffers needed
for the trace_printk() and the trace_printk() will not write anything to the
tracing buffer.
Adding a "__used" to the variable in the __trace_printk_fmt section will
keep it around, even though it is set to NULL. This will keep the string
from being printed in the debugfs/tracing/printk_formats section as it is
not needed.
Reported-by: Vlastimil Babka <vbabka@suse.cz>
Fixes: 07d777fe8c398 "tracing: Add percpu buffers for trace_printk()"
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 378c6520e7d29280f400ef2ceaf155c86f05a71a upstream.
This commit fixes the following security hole affecting systems where
all of the following conditions are fulfilled:
- The fs.suid_dumpable sysctl is set to 2.
- The kernel.core_pattern sysctl's value starts with "/". (Systems
where kernel.core_pattern starts with "|/" are not affected.)
- Unprivileged user namespace creation is permitted. (This is
true on Linux >=3.8, but some distributions disallow it by
default using a distro patch.)
Under these conditions, if a program executes under secure exec rules,
causing it to run with the SUID_DUMP_ROOT flag, then unshares its user
namespace, changes its root directory and crashes, the coredump will be
written using fsuid=0 and a path derived from kernel.core_pattern - but
this path is interpreted relative to the root directory of the process,
allowing the attacker to control where a coredump will be written with
root privileges.
To fix the security issue, always interpret core_pattern for dumps that
are written under SUID_DUMP_ROOT relative to the root directory of init.
Signed-off-by: Jann Horn <jann@thejh.net>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
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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commit 2b021cbf3cb6208f0d40fd2f1869f237934340ed upstream.
Before 2e91fa7f6d45 ("cgroup: keep zombies associated with their
original cgroups"), all dead tasks were associated with init_css_set.
If a zombie task is requested for migration, while migration prep
operations would still be performed on init_css_set, the actual
migration would ignore zombie tasks. As init_css_set is always valid,
this worked fine.
However, after 2e91fa7f6d45, zombie tasks stay with the css_set it was
associated with at the time of death. Let's say a task T associated
with cgroup A on hierarchy H-1 and cgroup B on hiearchy H-2. After T
becomes a zombie, it would still remain associated with A and B. If A
only contains zombie tasks, it can be removed. On removal, A gets
marked offline but stays pinned until all zombies are drained. At
this point, if migration is initiated on T to a cgroup C on hierarchy
H-2, migration path would try to prepare T's css_set for migration and
trigger the following.
WARNING: CPU: 0 PID: 1576 at kernel/cgroup.c:474 cgroup_get+0x121/0x160()
CPU: 0 PID: 1576 Comm: bash Not tainted 4.4.0-work+ #289
...
Call Trace:
[<ffffffff8127e63c>] dump_stack+0x4e/0x82
[<ffffffff810445e8>] warn_slowpath_common+0x78/0xb0
[<ffffffff810446d5>] warn_slowpath_null+0x15/0x20
[<ffffffff810c33e1>] cgroup_get+0x121/0x160
[<ffffffff810c349b>] link_css_set+0x7b/0x90
[<ffffffff810c4fbc>] find_css_set+0x3bc/0x5e0
[<ffffffff810c5269>] cgroup_migrate_prepare_dst+0x89/0x1f0
[<ffffffff810c7547>] cgroup_attach_task+0x157/0x230
[<ffffffff810c7a17>] __cgroup_procs_write+0x2b7/0x470
[<ffffffff810c7bdc>] cgroup_tasks_write+0xc/0x10
[<ffffffff810c4790>] cgroup_file_write+0x30/0x1b0
[<ffffffff811c68fc>] kernfs_fop_write+0x13c/0x180
[<ffffffff81151673>] __vfs_write+0x23/0xe0
[<ffffffff81152494>] vfs_write+0xa4/0x1a0
[<ffffffff811532d4>] SyS_write+0x44/0xa0
[<ffffffff814af2d7>] entry_SYSCALL_64_fastpath+0x12/0x6f
It doesn't make sense to prepare migration for css_sets pointing to
dead cgroups as they are guaranteed to contain only zombies which are
ignored later during migration. This patch makes cgroup destruction
path mark all affected css_sets as dead and updates the migration path
to ignore them during preparation.
Signed-off-by: Tejun Heo <tj@kernel.org>
Fixes: 2e91fa7f6d45 ("cgroup: keep zombies associated with their original cgroups")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f33798deecbd59a2955f40ac0ae2bc7dff54c069 upstream.
commit 9ce119f318ba ("tty: Fix GPF in flush_to_ldisc()") fixed a
GPF caused by a line discipline which does not define a receive_buf()
method.
However, the vt driver (and speakup driver also) pushes selection
data directly to the line discipline receive_buf() method via
tty_ldisc_receive_buf(). Fix the same problem in tty_ldisc_receive_buf().
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4df2bf466a9c9c92f40d27c4aa9120f4e8227bfc upstream.
Otherwise loading a "snapshot" table using the same device for the
origin and COW devices, e.g.:
echo "0 20971520 snapshot 253:3 253:3 P 8" | dmsetup create snap
will trigger:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000098
[ 1958.979934] IP: [<ffffffffa040efba>] dm_exception_store_set_chunk_size+0x7a/0x110 [dm_snapshot]
[ 1958.989655] PGD 0
[ 1958.991903] Oops: 0000 [#1] SMP
...
[ 1959.059647] CPU: 9 PID: 3556 Comm: dmsetup Tainted: G IO 4.5.0-rc5.snitm+ #150
...
[ 1959.083517] task: ffff8800b9660c80 ti: ffff88032a954000 task.ti: ffff88032a954000
[ 1959.091865] RIP: 0010:[<ffffffffa040efba>] [<ffffffffa040efba>] dm_exception_store_set_chunk_size+0x7a/0x110 [dm_snapshot]
[ 1959.104295] RSP: 0018:ffff88032a957b30 EFLAGS: 00010246
[ 1959.110219] RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000001
[ 1959.118180] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff880329334a00
[ 1959.126141] RBP: ffff88032a957b50 R08: 0000000000000000 R09: 0000000000000001
[ 1959.134102] R10: 000000000000000a R11: f000000000000000 R12: ffff880330884d80
[ 1959.142061] R13: 0000000000000008 R14: ffffc90001c13088 R15: ffff880330884d80
[ 1959.150021] FS: 00007f8926ba3840(0000) GS:ffff880333440000(0000) knlGS:0000000000000000
[ 1959.159047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1959.165456] CR2: 0000000000000098 CR3: 000000032f48b000 CR4: 00000000000006e0
[ 1959.173415] Stack:
[ 1959.175656] ffffc90001c13040 ffff880329334a00 ffff880330884ed0 ffff88032a957bdc
[ 1959.183946] ffff88032a957bb8 ffffffffa040f225 ffff880329334a30 ffff880300000000
[ 1959.192233] ffffffffa04133e0 ffff880329334b30 0000000830884d58 00000000569c58cf
[ 1959.200521] Call Trace:
[ 1959.203248] [<ffffffffa040f225>] dm_exception_store_create+0x1d5/0x240 [dm_snapshot]
[ 1959.211986] [<ffffffffa040d310>] snapshot_ctr+0x140/0x630 [dm_snapshot]
[ 1959.219469] [<ffffffffa0005c44>] ? dm_split_args+0x64/0x150 [dm_mod]
[ 1959.226656] [<ffffffffa0005ea7>] dm_table_add_target+0x177/0x440 [dm_mod]
[ 1959.234328] [<ffffffffa0009203>] table_load+0x143/0x370 [dm_mod]
[ 1959.241129] [<ffffffffa00090c0>] ? retrieve_status+0x1b0/0x1b0 [dm_mod]
[ 1959.248607] [<ffffffffa0009e35>] ctl_ioctl+0x255/0x4d0 [dm_mod]
[ 1959.255307] [<ffffffff813304e2>] ? memzero_explicit+0x12/0x20
[ 1959.261816] [<ffffffffa000a0c3>] dm_ctl_ioctl+0x13/0x20 [dm_mod]
[ 1959.268615] [<ffffffff81215eb6>] do_vfs_ioctl+0xa6/0x5c0
[ 1959.274637] [<ffffffff81120d2f>] ? __audit_syscall_entry+0xaf/0x100
[ 1959.281726] [<ffffffff81003176>] ? do_audit_syscall_entry+0x66/0x70
[ 1959.288814] [<ffffffff81216449>] SyS_ioctl+0x79/0x90
[ 1959.294450] [<ffffffff8167e4ae>] entry_SYSCALL_64_fastpath+0x12/0x71
...
[ 1959.323277] RIP [<ffffffffa040efba>] dm_exception_store_set_chunk_size+0x7a/0x110 [dm_snapshot]
[ 1959.333090] RSP <ffff88032a957b30>
[ 1959.336978] CR2: 0000000000000098
[ 1959.344121] ---[ end trace b049991ccad1169e ]---
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1195899
Signed-off-by: Ding Xiang <dingxiang@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b84106b4e2290c081cdab521fa832596cdfea246 upstream.
The PCI config header (first 64 bytes of each device's config space) is
defined by the PCI spec so generic software can identify the device and
manage its usage of I/O, memory, and IRQ resources.
Some non-spec-compliant devices put registers other than BARs where the
BARs should be. When the PCI core sizes these "BARs", the reads and writes
it does may have unwanted side effects, and the "BAR" may appear to
describe non-sensical address space.
Add a flag bit to mark non-compliant devices so we don't touch their BARs.
Turn off IO/MEM decoding to prevent the devices from consuming address
space, since we can't read the BARs to find out what that address space
would be.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 81ad4276b505e987dd8ebbdf63605f92cd172b52 upstream.
In some cases, platform thermal driver may report invalid trip points,
thermal core should not take any action for these trip points.
This fixed a regression that bogus trip point starts to screw up thermal
control on some Lenovo laptops, after
commit bb431ba26c5cd0a17c941ca6c3a195a3a6d5d461
Author: Zhang Rui <rui.zhang@intel.com>
Date: Fri Oct 30 16:31:47 2015 +0800
Thermal: initialize thermal zone device correctly
After thermal zone device registered, as we have not read any
temperature before, thus tz->temperature should not be 0,
which actually means 0C, and thermal trend is not available.
In this case, we need specially handling for the first
thermal_zone_device_update().
Both thermal core framework and step_wise governor is
enhanced to handle this. And since the step_wise governor
is the only one that uses trends, so it's the only thermal
governor that needs to be updated.
Tested-by: Manuel Krause <manuelkrause@netscape.net>
Tested-by: szegad <szegadlo@poczta.onet.pl>
Tested-by: prash <prash.n.rao@gmail.com>
Tested-by: amish <ammdispose-arch@yahoo.com>
Tested-by: Matthias <morpheusxyz123@yahoo.de>
Reviewed-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1317190
Link: https://bugzilla.kernel.org/show_bug.cgi?id=114551
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b9a1a743818ea3265abf98f9431623afa8c50c86 upstream.
ARM64 allmodconfig produces a bunch of warnings when building the
samsung ASoC code:
sound/soc/samsung/dmaengine.c: In function 'samsung_asoc_init_dma_data':
sound/soc/samsung/dmaengine.c:53:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
playback_data->filter_data = (void *)playback->channel;
sound/soc/samsung/dmaengine.c:60:31: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
capture_data->filter_data = (void *)capture->channel;
We could easily shut up the warning by adding an intermediate cast,
but there is a bigger underlying problem: The use of IORESOURCE_DMA
to pass data from platform code to device drivers is dubious to start
with, as what we really want is a pointer that can be passed into
a filter function.
Note that on s3c64xx, the pl08x DMA data is already a pointer, but
gets cast to resource_size_t so we can pass it as a resource, and it
then gets converted back to a pointer. In contrast, the data we pass
for s3c24xx is an index into a device specific table, and we artificially
convert that into a pointer for the filter function.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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linux-linaro-lsk-v4.4
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This adds a routine, dev_pm_opp_set_rate(), responsible for configuring
power-supply and clock source for an OPP.
The OPP is found by matching against the target_freq passed to the
routine. This shall replace similar code present in most of the OPP
users and help simplify them a lot.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 6a0712f6f199e737aa5913d28ec4bd3a25de9660)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
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In few use cases (like: cpufreq), it is desired to get the maximum
latency for changing OPPs. Add support for that.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 2174344765f472895c076d703c9cdc58215e1393)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
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