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* refs/heads/tmp-789274d
Linux 4.4.140
staging: comedi: quatech_daqp_cs: fix no-op loop daqp_ao_insn_write()
netfilter: nf_log: don't hold nf_log_mutex during user access
mtd: cfi_cmdset_0002: Change erase functions to check chip good only
mtd: cfi_cmdset_0002: Change erase functions to retry for error
mtd: cfi_cmdset_0002: Change definition naming to retry write operation
dm bufio: don't take the lock in dm_bufio_shrink_count
mtd: rawnand: mxc: set spare area size register explicitly
dm bufio: drop the lock when doing GFP_NOIO allocation
dm bufio: avoid sleeping while holding the dm_bufio lock
mm, page_alloc: do not break __GFP_THISNODE by zonelist reset
media: cx25840: Use subdev host data for PLL override
x86/mce: Fix incorrect "Machine check from unknown source" message
x86/mce: Detect local MCEs properly
HID: debug: check length before copy_to_user()
HID: hiddev: fix potential Spectre v1
HID: i2c-hid: Fix "incomplete report" noise
ext4: check superblock mapped prior to committing
ext4: add more mount time checks of the superblock
ext4: add more inode number paranoia checks
ext4: clear i_data in ext4_inode_info when removing inline data
ext4: include the illegal physical block in the bad map ext4_error msg
ext4: verify the depth of extent tree in ext4_find_extent()
ext4: only look at the bg_flags field if it is valid
ext4: always check block group bounds in ext4_init_block_bitmap()
ext4: make sure bitmaps and the inode table don't overlap with bg descriptors
jbd2: don't mark block as modified if the handle is out of credits
cifs: Fix infinite loop when using hard mount option
drbd: fix access after free
s390: Correct register corruption in critical section cleanup
scsi: sg: mitigate read/write abuse
tracing: Fix missing return symbol in function_graph output
mm: hugetlb: yield when prepping struct pages
ubi: fastmap: Correctly handle interrupted erasures in EBA
ARM: dts: imx6q: Use correct SDMA script for SPI5 core
netfilter: nf_tables: use WARN_ON_ONCE instead of BUG_ON in nft_do_chain()
nvme-pci: initialize queue memory before interrupts
kprobes/x86: Do not modify singlestep buffer while resuming
ipv4: Fix error return value in fib_convert_metrics()
i2c: rcar: fix resume by always initializing registers before transfer
ath10k: fix rfc1042 header retrieval in QCA4019 with eth decap mode
x86/boot: Fix early command-line parsing when matching at end
n_tty: Access echo_* variables carefully.
staging: android: ion: Return an ERR_PTR in ion_map_kernel
n_tty: Fix stall at n_tty_receive_char_special().
USB: serial: cp210x: add Silicon Labs IDs for Windows Update
USB: serial: cp210x: add CESINEL device ids
usb: cdc_acm: Add quirk for Uniden UBC125 scanner
Change-Id: I01c4fc4b6354c28a7d8ff391ff515096ed4d3da4
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.140
usb: cdc_acm: Add quirk for Uniden UBC125 scanner
USB: serial: cp210x: add CESINEL device ids
USB: serial: cp210x: add Silicon Labs IDs for Windows Update
n_tty: Fix stall at n_tty_receive_char_special().
staging: android: ion: Return an ERR_PTR in ion_map_kernel
n_tty: Access echo_* variables carefully.
x86/boot: Fix early command-line parsing when matching at end
ath10k: fix rfc1042 header retrieval in QCA4019 with eth decap mode
i2c: rcar: fix resume by always initializing registers before transfer
ipv4: Fix error return value in fib_convert_metrics()
kprobes/x86: Do not modify singlestep buffer while resuming
nvme-pci: initialize queue memory before interrupts
netfilter: nf_tables: use WARN_ON_ONCE instead of BUG_ON in nft_do_chain()
ARM: dts: imx6q: Use correct SDMA script for SPI5 core
ubi: fastmap: Correctly handle interrupted erasures in EBA
mm: hugetlb: yield when prepping struct pages
tracing: Fix missing return symbol in function_graph output
scsi: sg: mitigate read/write abuse
s390: Correct register corruption in critical section cleanup
drbd: fix access after free
cifs: Fix infinite loop when using hard mount option
jbd2: don't mark block as modified if the handle is out of credits
ext4: make sure bitmaps and the inode table don't overlap with bg descriptors
ext4: always check block group bounds in ext4_init_block_bitmap()
ext4: only look at the bg_flags field if it is valid
ext4: verify the depth of extent tree in ext4_find_extent()
ext4: include the illegal physical block in the bad map ext4_error msg
ext4: clear i_data in ext4_inode_info when removing inline data
ext4: add more inode number paranoia checks
ext4: add more mount time checks of the superblock
ext4: check superblock mapped prior to committing
HID: i2c-hid: Fix "incomplete report" noise
HID: hiddev: fix potential Spectre v1
HID: debug: check length before copy_to_user()
x86/mce: Detect local MCEs properly
x86/mce: Fix incorrect "Machine check from unknown source" message
media: cx25840: Use subdev host data for PLL override
mm, page_alloc: do not break __GFP_THISNODE by zonelist reset
dm bufio: avoid sleeping while holding the dm_bufio lock
dm bufio: drop the lock when doing GFP_NOIO allocation
mtd: rawnand: mxc: set spare area size register explicitly
dm bufio: don't take the lock in dm_bufio_shrink_count
mtd: cfi_cmdset_0002: Change definition naming to retry write operation
mtd: cfi_cmdset_0002: Change erase functions to retry for error
mtd: cfi_cmdset_0002: Change erase functions to check chip good only
netfilter: nf_log: don't hold nf_log_mutex during user access
staging: comedi: quatech_daqp_cs: fix no-op loop daqp_ao_insn_write()
Linux 4.4.140
Change-Id: I1eb015e1fee548fb958c7e5eb4754b425cfab6b7
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 1fe4293f4b8de75824935f8d8e9a99c7fc6873da upstream.
The function_graph tracer does not show the interrupt return marker for the
leaf entry. On leaf entries, we see an unbalanced interrupt marker (the
interrupt was entered, but nevern left).
Before:
1) | SyS_write() {
1) | __fdget_pos() {
1) 0.061 us | __fget_light();
1) 0.289 us | }
1) | vfs_write() {
1) 0.049 us | rw_verify_area();
1) + 15.424 us | __vfs_write();
1) ==========> |
1) 6.003 us | smp_apic_timer_interrupt();
1) 0.055 us | __fsnotify_parent();
1) 0.073 us | fsnotify();
1) + 23.665 us | }
1) + 24.501 us | }
After:
0) | SyS_write() {
0) | __fdget_pos() {
0) 0.052 us | __fget_light();
0) 0.328 us | }
0) | vfs_write() {
0) 0.057 us | rw_verify_area();
0) | __vfs_write() {
0) ==========> |
0) 8.548 us | smp_apic_timer_interrupt();
0) <========== |
0) + 36.507 us | } /* __vfs_write */
0) 0.049 us | __fsnotify_parent();
0) 0.066 us | fsnotify();
0) + 50.064 us | }
0) + 50.952 us | }
Link: http://lkml.kernel.org/r/1517413729-20411-1-git-send-email-changbin.du@intel.com
Cc: stable@vger.kernel.org
Fixes: f8b755ac8e0cc ("tracing/function-graph-tracer: Output arrows signal on hardirq call/return")
Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-7ba5557
Linux 4.4.139
Bluetooth: Fix connection if directed advertising and privacy is used
cdc_ncm: avoid padding beyond end of skb
dm thin: handle running out of data space vs concurrent discard
block: Fix transfer when chunk sectors exceeds max
spi: Fix scatterlist elements size in spi_map_buf
Btrfs: fix unexpected cow in run_delalloc_nocow
ALSA: hda/realtek - Add a quirk for FSC ESPRIMO U9210
Input: elantech - fix V4 report decoding for module with middle key
Input: elantech - enable middle button of touchpads on ThinkPad P52
Input: elan_i2c_smbus - fix more potential stack buffer overflows
udf: Detect incorrect directory size
xen: Remove unnecessary BUG_ON from __unbind_from_irq()
Input: elan_i2c - add ELAN0618 (Lenovo v330 15IKB) ACPI ID
video: uvesafb: Fix integer overflow in allocation
NFSv4: Fix possible 1-byte stack overflow in nfs_idmap_read_and_verify_message
nfsd: restrict rd_maxcount to svc_max_payload in nfsd_encode_readdir
media: dvb_frontend: fix locking issues at dvb_frontend_get_event()
media: cx231xx: Add support for AverMedia DVD EZMaker 7
media: v4l2-compat-ioctl32: prevent go past max size
perf intel-pt: Fix packet decoding of CYC packets
perf intel-pt: Fix "Unexpected indirect branch" error
perf intel-pt: Fix MTC timing after overflow
perf intel-pt: Fix decoding to accept CBR between FUP and corresponding TIP
perf intel-pt: Fix sync_switch INTEL_PT_SS_NOT_TRACING
perf tools: Fix symbol and object code resolution for vdso32 and vdsox32
mfd: intel-lpss: Program REMAP register in PIO mode
backlight: tps65217_bl: Fix Device Tree node lookup
backlight: max8925_bl: Fix Device Tree node lookup
backlight: as3711_bl: Fix Device Tree node lookup
xfrm: skip policies marked as dead while rehashing
xfrm: Ignore socket policies when rebuilding hash tables
UBIFS: Fix potential integer overflow in allocation
ubi: fastmap: Cancel work upon detach
md: fix two problems with setting the "re-add" device state.
linvdimm, pmem: Preserve read-only setting for pmem devices
scsi: zfcp: fix missing REC trigger trace on enqueue without ERP thread
scsi: zfcp: fix missing REC trigger trace for all objects in ERP_FAILED
scsi: zfcp: fix missing REC trigger trace on terminate_rport_io for ERP_FAILED
scsi: zfcp: fix missing REC trigger trace on terminate_rport_io early return
scsi: zfcp: fix misleading REC trigger trace where erp_action setup failed
scsi: zfcp: fix missing SCSI trace for retry of abort / scsi_eh TMF
scsi: zfcp: fix missing SCSI trace for result of eh_host_reset_handler
scsi: qla2xxx: Fix setting lower transfer speed if GPSC fails
iio:buffer: make length types match kfifo types
Btrfs: fix clone vs chattr NODATASUM race
time: Make sure jiffies_to_msecs() preserves non-zero time periods
MIPS: io: Add barrier after register read in inX()
PCI: pciehp: Clear Presence Detect and Data Link Layer Status Changed on resume
MIPS: BCM47XX: Enable 74K Core ExternalSync for PCIe erratum
mtd: cfi_cmdset_0002: Avoid walking all chips when unlocking.
mtd: cfi_cmdset_0002: Fix unlocking requests crossing a chip boudary
mtd: cfi_cmdset_0002: fix SEGV unlocking multiple chips
mtd: cfi_cmdset_0002: Use right chip in do_ppb_xxlock()
mtd: cfi_cmdset_0002: Change write buffer to check correct value
RDMA/mlx4: Discard unknown SQP work requests
IB/qib: Fix DMA api warning with debug kernel
of: unittest: for strings, account for trailing \0 in property length field
ARM: 8764/1: kgdb: fix NUMREGBYTES so that gdb_regs[] is the correct size
powerpc/fadump: Unregister fadump on kexec down path.
cpuidle: powernv: Fix promotion from snooze if next state disabled
powerpc/ptrace: Fix enforcement of DAWR constraints
powerpc/ptrace: Fix setting 512B aligned breakpoints with PTRACE_SET_DEBUGREG
powerpc/mm/hash: Add missing isync prior to kernel stack SLB switch
fuse: fix control dir setup and teardown
fuse: don't keep dead fuse_conn at fuse_fill_super().
fuse: atomic_o_trunc should truncate pagecache
Bluetooth: hci_qca: Avoid missing rampatch failure with userspace fw loader
ipmi:bt: Set the timeout before doing a capabilities check
branch-check: fix long->int truncation when profiling branches
mips: ftrace: fix static function graph tracing
lib/vsprintf: Remove atomic-unsafe support for %pCr
ASoC: cirrus: i2s: Fix {TX|RX}LinCtrlData setup
ASoC: cirrus: i2s: Fix LRCLK configuration
ASoC: dapm: delete dapm_kcontrol_data paths list before freeing it
1wire: family module autoload fails because of upper/lower case mismatch.
usb: do not reset if a low-speed or full-speed device timed out
signal/xtensa: Consistenly use SIGBUS in do_unaligned_user
serial: sh-sci: Use spin_{try}lock_irqsave instead of open coding version
m68k/mm: Adjust VM area to be unmapped by gap size for __iounmap()
x86/spectre_v1: Disable compiler optimizations over array_index_mask_nospec()
fs/binfmt_misc.c: do not allow offset overflow
w1: mxc_w1: Enable clock before calling clk_get_rate() on it
libata: Drop SanDisk SD7UB3Q*G1001 NOLPM quirk
libata: zpodd: small read overflow in eject_tray()
libata: zpodd: make arrays cdb static, reduces object code size
cpufreq: Fix new policy initialization during limits updates via sysfs
ALSA: hda: add dock and led support for HP ProBook 640 G4
ALSA: hda: add dock and led support for HP EliteBook 830 G5
ALSA: hda - Handle kzalloc() failure in snd_hda_attach_pcm_stream()
btrfs: scrub: Don't use inode pages for device replace
driver core: Don't ignore class_dir_create_and_add() failure.
ext4: fix fencepost error in check for inode count overflow during resize
ext4: update mtime in ext4_punch_hole even if no blocks are released
tcp: verify the checksum of the first data segment in a new connection
bonding: re-evaluate force_primary when the primary slave name changes
usb: musb: fix remote wakeup racing with suspend
Btrfs: make raid6 rebuild retry more
tcp: do not overshoot window_clamp in tcp_rcv_space_adjust()
Revert "Btrfs: fix scrub to repair raid6 corruption"
net/sonic: Use dma_mapping_error()
net: qmi_wwan: Add Netgear Aircard 779S
atm: zatm: fix memcmp casting
ipvs: fix buffer overflow with sync daemon and service
netfilter: ebtables: handle string from userspace with care
xfrm6: avoid potential infinite loop in _decode_session6()
ANDROID: Add kconfig to make dm-verity check_at_most_once default enabled
ANDROID: sdcardfs: fix potential crash when reserved_mb is not zero
Change-Id: Ibcd2b6614843e4e8fd5a57acf350a9e83e1c0dbc
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.139
xfrm6: avoid potential infinite loop in _decode_session6()
netfilter: ebtables: handle string from userspace with care
ipvs: fix buffer overflow with sync daemon and service
atm: zatm: fix memcmp casting
net: qmi_wwan: Add Netgear Aircard 779S
net/sonic: Use dma_mapping_error()
Revert "Btrfs: fix scrub to repair raid6 corruption"
tcp: do not overshoot window_clamp in tcp_rcv_space_adjust()
Btrfs: make raid6 rebuild retry more
usb: musb: fix remote wakeup racing with suspend
bonding: re-evaluate force_primary when the primary slave name changes
tcp: verify the checksum of the first data segment in a new connection
ext4: update mtime in ext4_punch_hole even if no blocks are released
ext4: fix fencepost error in check for inode count overflow during resize
driver core: Don't ignore class_dir_create_and_add() failure.
btrfs: scrub: Don't use inode pages for device replace
ALSA: hda - Handle kzalloc() failure in snd_hda_attach_pcm_stream()
ALSA: hda: add dock and led support for HP EliteBook 830 G5
ALSA: hda: add dock and led support for HP ProBook 640 G4
cpufreq: Fix new policy initialization during limits updates via sysfs
libata: zpodd: make arrays cdb static, reduces object code size
libata: zpodd: small read overflow in eject_tray()
libata: Drop SanDisk SD7UB3Q*G1001 NOLPM quirk
w1: mxc_w1: Enable clock before calling clk_get_rate() on it
fs/binfmt_misc.c: do not allow offset overflow
x86/spectre_v1: Disable compiler optimizations over array_index_mask_nospec()
m68k/mm: Adjust VM area to be unmapped by gap size for __iounmap()
serial: sh-sci: Use spin_{try}lock_irqsave instead of open coding version
signal/xtensa: Consistenly use SIGBUS in do_unaligned_user
usb: do not reset if a low-speed or full-speed device timed out
1wire: family module autoload fails because of upper/lower case mismatch.
ASoC: dapm: delete dapm_kcontrol_data paths list before freeing it
ASoC: cirrus: i2s: Fix LRCLK configuration
ASoC: cirrus: i2s: Fix {TX|RX}LinCtrlData setup
lib/vsprintf: Remove atomic-unsafe support for %pCr
mips: ftrace: fix static function graph tracing
branch-check: fix long->int truncation when profiling branches
ipmi:bt: Set the timeout before doing a capabilities check
Bluetooth: hci_qca: Avoid missing rampatch failure with userspace fw loader
fuse: atomic_o_trunc should truncate pagecache
fuse: don't keep dead fuse_conn at fuse_fill_super().
fuse: fix control dir setup and teardown
powerpc/mm/hash: Add missing isync prior to kernel stack SLB switch
powerpc/ptrace: Fix setting 512B aligned breakpoints with PTRACE_SET_DEBUGREG
powerpc/ptrace: Fix enforcement of DAWR constraints
cpuidle: powernv: Fix promotion from snooze if next state disabled
powerpc/fadump: Unregister fadump on kexec down path.
ARM: 8764/1: kgdb: fix NUMREGBYTES so that gdb_regs[] is the correct size
of: unittest: for strings, account for trailing \0 in property length field
IB/qib: Fix DMA api warning with debug kernel
RDMA/mlx4: Discard unknown SQP work requests
mtd: cfi_cmdset_0002: Change write buffer to check correct value
mtd: cfi_cmdset_0002: Use right chip in do_ppb_xxlock()
mtd: cfi_cmdset_0002: fix SEGV unlocking multiple chips
mtd: cfi_cmdset_0002: Fix unlocking requests crossing a chip boudary
mtd: cfi_cmdset_0002: Avoid walking all chips when unlocking.
MIPS: BCM47XX: Enable 74K Core ExternalSync for PCIe erratum
PCI: pciehp: Clear Presence Detect and Data Link Layer Status Changed on resume
MIPS: io: Add barrier after register read in inX()
time: Make sure jiffies_to_msecs() preserves non-zero time periods
Btrfs: fix clone vs chattr NODATASUM race
iio:buffer: make length types match kfifo types
scsi: qla2xxx: Fix setting lower transfer speed if GPSC fails
scsi: zfcp: fix missing SCSI trace for result of eh_host_reset_handler
scsi: zfcp: fix missing SCSI trace for retry of abort / scsi_eh TMF
scsi: zfcp: fix misleading REC trigger trace where erp_action setup failed
scsi: zfcp: fix missing REC trigger trace on terminate_rport_io early return
scsi: zfcp: fix missing REC trigger trace on terminate_rport_io for ERP_FAILED
scsi: zfcp: fix missing REC trigger trace for all objects in ERP_FAILED
scsi: zfcp: fix missing REC trigger trace on enqueue without ERP thread
linvdimm, pmem: Preserve read-only setting for pmem devices
md: fix two problems with setting the "re-add" device state.
ubi: fastmap: Cancel work upon detach
UBIFS: Fix potential integer overflow in allocation
xfrm: Ignore socket policies when rebuilding hash tables
xfrm: skip policies marked as dead while rehashing
backlight: as3711_bl: Fix Device Tree node lookup
backlight: max8925_bl: Fix Device Tree node lookup
backlight: tps65217_bl: Fix Device Tree node lookup
mfd: intel-lpss: Program REMAP register in PIO mode
perf tools: Fix symbol and object code resolution for vdso32 and vdsox32
perf intel-pt: Fix sync_switch INTEL_PT_SS_NOT_TRACING
perf intel-pt: Fix decoding to accept CBR between FUP and corresponding TIP
perf intel-pt: Fix MTC timing after overflow
perf intel-pt: Fix "Unexpected indirect branch" error
perf intel-pt: Fix packet decoding of CYC packets
media: v4l2-compat-ioctl32: prevent go past max size
media: cx231xx: Add support for AverMedia DVD EZMaker 7
media: dvb_frontend: fix locking issues at dvb_frontend_get_event()
nfsd: restrict rd_maxcount to svc_max_payload in nfsd_encode_readdir
NFSv4: Fix possible 1-byte stack overflow in nfs_idmap_read_and_verify_message
video: uvesafb: Fix integer overflow in allocation
Input: elan_i2c - add ELAN0618 (Lenovo v330 15IKB) ACPI ID
xen: Remove unnecessary BUG_ON from __unbind_from_irq()
udf: Detect incorrect directory size
Input: elan_i2c_smbus - fix more potential stack buffer overflows
Input: elantech - enable middle button of touchpads on ThinkPad P52
Input: elantech - fix V4 report decoding for module with middle key
ALSA: hda/realtek - Add a quirk for FSC ESPRIMO U9210
Btrfs: fix unexpected cow in run_delalloc_nocow
spi: Fix scatterlist elements size in spi_map_buf
block: Fix transfer when chunk sectors exceeds max
dm thin: handle running out of data space vs concurrent discard
cdc_ncm: avoid padding beyond end of skb
Bluetooth: Fix connection if directed advertising and privacy is used
Linux 4.4.139
Change-Id: I93013bedf2ebe3e6a8718972d8854723609963cc
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit abcbcb80cd09cd40f2089d912764e315459b71f7 upstream.
For the common cases where 1000 is a multiple of HZ, or HZ is a multiple of
1000, jiffies_to_msecs() never returns zero when passed a non-zero time
period.
However, if HZ > 1000 and not an integer multiple of 1000 (e.g. 1024 or
1200, as used on alpha and DECstation), jiffies_to_msecs() may return zero
for small non-zero time periods. This may break code that relies on
receiving back a non-zero value.
jiffies_to_usecs() does not need such a fix: one jiffy can only be less
than one µs if HZ > 1000000, and such large values of HZ are already
rejected at build time, twice:
- include/linux/jiffies.h does #error if HZ >= 12288,
- kernel/time/time.c has BUILD_BUG_ON(HZ > USEC_PER_SEC).
Broken since forever.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-alpha@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20180622143357.7495-1-geert@linux-m68k.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-a2e2217
Linux 4.4.137
net: metrics: add proper netlink validation
net: phy: broadcom: Fix bcm_write_exp()
rtnetlink: validate attributes in do_setlink()
team: use netdev_features_t instead of u32
net/mlx4: Fix irq-unsafe spinlock usage
qed: Fix mask for physical address in ILT entry
packet: fix reserve calculation
net: usb: cdc_mbim: add flag FLAG_SEND_ZLP
net/packet: refine check for priv area size
netdev-FAQ: clarify DaveM's position for stable backports
isdn: eicon: fix a missing-check bug
ipv4: remove warning in ip_recv_error
ip6mr: only set ip6mr_table from setsockopt when ip6mr_new_table succeeds
enic: set DMA mask to 47 bit
dccp: don't free ccid2_hc_tx_sock struct in dccp_disconnect()
bnx2x: use the right constant
brcmfmac: Fix check for ISO3166 code
drm: set FMODE_UNSIGNED_OFFSET for drm files
xfs: fix incorrect log_flushed on fsync
kconfig: Avoid format overflow warning from GCC 8.1
mmap: relax file size limit for regular files
mmap: introduce sane default mmap limits
tpm: self test failure should not cause suspend to fail
tpm: do not suspend/resume if power stays on
ANDROID: Update arm64 ranchu64_defconfig
Linux 4.4.136
sparc64: Fix build warnings with gcc 7.
mm: fix the NULL mapping case in __isolate_lru_page()
fix io_destroy()/aio_complete() race
Kbuild: change CC_OPTIMIZE_FOR_SIZE definition
drm/i915: Disable LVDS on Radiant P845
hwtracing: stm: fix build error on some arches
stm class: Use vmalloc for the master map
scsi: scsi_transport_srp: Fix shost to rport translation
MIPS: prctl: Disallow FRE without FR with PR_SET_FP_MODE requests
MIPS: ptrace: Fix PTRACE_PEEKUSR requests for 64-bit FGRs
iio:kfifo_buf: check for uint overflow
dmaengine: usb-dmac: fix endless loop in usb_dmac_chan_terminate_all()
i2c: rcar: revoke START request early
i2c: rcar: check master irqs before slave irqs
i2c: rcar: don't issue stop when HW does it automatically
i2c: rcar: init new messages in irq
i2c: rcar: refactor setup of a msg
i2c: rcar: remove spinlock
i2c: rcar: remove unused IOERROR state
i2c: rcar: rework hw init
i2c: rcar: make sure clocks are on when doing clock calculation
tcp: avoid integer overflows in tcp_rcv_space_adjust()
irda: fix overly long udelay()
ASoC: Intel: sst: remove redundant variable dma_dev_name
rtlwifi: rtl8192cu: Remove variable self-assignment in rf.c
cfg80211: further limit wiphy names to 64 bytes
selinux: KASAN: slab-out-of-bounds in xattr_getsecurity
tracing: Fix crash when freeing instances with event triggers
Input: elan_i2c_smbus - fix corrupted stack
Revert "ima: limit file hash setting by user to fix and log modes"
xfs: detect agfl count corruption and reset agfl
sh: New gcc support
USB: serial: cp210x: use tcflag_t to fix incompatible pointer type
powerpc/64s: Clear PCR on boot
arm64: lse: Add early clobbers to some input/output asm operands
FROMLIST: f2fs: run fstrim asynchronously if runtime discard is on
goldfish: pipe: ANDROID: address must be written as __pa(x), not x
goldfish: pipe: ANDROID: add missing check for memory allocated
goldfish: pipe: ANDROID: remove redundant blank lines
Update arch/x86/configs/x86_64_ranchu_defconfig
ANDROID: x86_64_cuttlefish_defconfig: Enable F2FS
ANDROID: Update x86_64_cuttlefish_defconfig
FROMLIST: f2fs: early updates queued for v4.18-rc1
Change-Id: I314254168cd5ad06a7c6bca2fa68c8a6ae6c257d
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.136
arm64: lse: Add early clobbers to some input/output asm operands
powerpc/64s: Clear PCR on boot
USB: serial: cp210x: use tcflag_t to fix incompatible pointer type
sh: New gcc support
xfs: detect agfl count corruption and reset agfl
Revert "ima: limit file hash setting by user to fix and log modes"
Input: elan_i2c_smbus - fix corrupted stack
tracing: Fix crash when freeing instances with event triggers
selinux: KASAN: slab-out-of-bounds in xattr_getsecurity
cfg80211: further limit wiphy names to 64 bytes
rtlwifi: rtl8192cu: Remove variable self-assignment in rf.c
ASoC: Intel: sst: remove redundant variable dma_dev_name
irda: fix overly long udelay()
tcp: avoid integer overflows in tcp_rcv_space_adjust()
i2c: rcar: make sure clocks are on when doing clock calculation
i2c: rcar: rework hw init
i2c: rcar: remove unused IOERROR state
i2c: rcar: remove spinlock
i2c: rcar: refactor setup of a msg
i2c: rcar: init new messages in irq
i2c: rcar: don't issue stop when HW does it automatically
i2c: rcar: check master irqs before slave irqs
i2c: rcar: revoke START request early
dmaengine: usb-dmac: fix endless loop in usb_dmac_chan_terminate_all()
iio:kfifo_buf: check for uint overflow
MIPS: ptrace: Fix PTRACE_PEEKUSR requests for 64-bit FGRs
MIPS: prctl: Disallow FRE without FR with PR_SET_FP_MODE requests
scsi: scsi_transport_srp: Fix shost to rport translation
stm class: Use vmalloc for the master map
hwtracing: stm: fix build error on some arches
drm/i915: Disable LVDS on Radiant P845
Kbuild: change CC_OPTIMIZE_FOR_SIZE definition
fix io_destroy()/aio_complete() race
mm: fix the NULL mapping case in __isolate_lru_page()
sparc64: Fix build warnings with gcc 7.
Linux 4.4.136
Change-Id: I3457f995cf22c65952271ecd517a46144ac4dc79
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 86b389ff22bd6ad8fd3cb98e41cd271886c6d023 upstream.
If a instance has an event trigger enabled when it is freed, it could cause
an access of free memory. Here's the case that crashes:
# cd /sys/kernel/tracing
# mkdir instances/foo
# echo snapshot > instances/foo/events/initcall/initcall_start/trigger
# rmdir instances/foo
Would produce:
general protection fault: 0000 [#1] PREEMPT SMP PTI
Modules linked in: tun bridge ...
CPU: 5 PID: 6203 Comm: rmdir Tainted: G W 4.17.0-rc4-test+ #933
Hardware name: Hewlett-Packard HP Compaq Pro 6300 SFF/339A, BIOS K01 v03.03 07/14/2016
RIP: 0010:clear_event_triggers+0x3b/0x70
RSP: 0018:ffffc90003783de0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 6b6b6b6b6b6b6b2b RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800c7130ba0
RBP: ffffc90003783e00 R08: ffff8801131993f8 R09: 0000000100230016
R10: ffffc90003783d80 R11: 0000000000000000 R12: ffff8800c7130ba0
R13: ffff8800c7130bd8 R14: ffff8800cc093768 R15: 00000000ffffff9c
FS: 00007f6f4aa86700(0000) GS:ffff88011eb40000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6f4a5aed60 CR3: 00000000cd552001 CR4: 00000000001606e0
Call Trace:
event_trace_del_tracer+0x2a/0xc5
instance_rmdir+0x15c/0x200
tracefs_syscall_rmdir+0x52/0x90
vfs_rmdir+0xdb/0x160
do_rmdir+0x16d/0x1c0
__x64_sys_rmdir+0x17/0x20
do_syscall_64+0x55/0x1a0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
This was due to the call the clears out the triggers when an instance is
being deleted not removing the trigger from the link list.
Cc: stable@vger.kernel.org
Fixes: 85f2b08268c01 ("tracing: Add basic event trigger framework")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-c9d74f2
Linux 4.4.135
Revert "vti4: Don't override MTU passed on link creation via IFLA_MTU"
Revert "vti4: Don't override MTU passed on link creation via IFLA_MTU"
Linux 4.4.134
s390/ftrace: use expoline for indirect branches
kdb: make "mdr" command repeat
Bluetooth: btusb: Add device ID for RTL8822BE
ASoC: samsung: i2s: Ensure the RCLK rate is properly determined
regulator: of: Add a missing 'of_node_put()' in an error handling path of 'of_regulator_match()'
scsi: lpfc: Fix frequency of Release WQE CQEs
scsi: lpfc: Fix soft lockup in lpfc worker thread during LIP testing
scsi: lpfc: Fix issue_lip if link is disabled
netlabel: If PF_INET6, check sk_buff ip header version
selftests/net: fixes psock_fanout eBPF test case
perf report: Fix memory corruption in --branch-history mode --branch-history
perf tests: Use arch__compare_symbol_names to compare symbols
x86/apic: Set up through-local-APIC mode on the boot CPU if 'noapic' specified
drm/rockchip: Respect page offset for PRIME mmap calls
MIPS: Octeon: Fix logging messages with spurious periods after newlines
audit: return on memory error to avoid null pointer dereference
crypto: sunxi-ss - Add MODULE_ALIAS to sun4i-ss
clk: samsung: exynos3250: Fix PLL rates
clk: samsung: exynos5250: Fix PLL rates
clk: samsung: exynos5433: Fix PLL rates
clk: samsung: exynos5260: Fix PLL rates
clk: samsung: s3c2410: Fix PLL rates
media: cx25821: prevent out-of-bounds read on array card
udf: Provide saner default for invalid uid / gid
PCI: Add function 1 DMA alias quirk for Marvell 88SE9220
serial: arc_uart: Fix out-of-bounds access through DT alias
serial: fsl_lpuart: Fix out-of-bounds access through DT alias
serial: imx: Fix out-of-bounds access through serial port index
serial: mxs-auart: Fix out-of-bounds access through serial port index
serial: samsung: Fix out-of-bounds access through serial port index
serial: xuartps: Fix out-of-bounds access through DT alias
rtc: tx4939: avoid unintended sign extension on a 24 bit shift
staging: rtl8192u: return -ENOMEM on failed allocation of priv->oldaddr
hwrng: stm32 - add reset during probe
enic: enable rq before updating rq descriptors
clk: rockchip: Prevent calculating mmc phase if clock rate is zero
media: em28xx: USB bulk packet size fix
dmaengine: pl330: fix a race condition in case of threaded irqs
media: s3c-camif: fix out-of-bounds array access
media: cx23885: Set subdev host data to clk_freq pointer
media: cx23885: Override 888 ImpactVCBe crystal frequency
ALSA: vmaster: Propagate slave error
x86/devicetree: Fix device IRQ settings in DT
x86/devicetree: Initialize device tree before using it
usb: gadget: composite: fix incorrect handling of OS desc requests
usb: gadget: udc: change comparison to bitshift when dealing with a mask
gfs2: Fix fallocate chunk size
cdrom: do not call check_disk_change() inside cdrom_open()
hwmon: (pmbus/adm1275) Accept negative page register values
hwmon: (pmbus/max8688) Accept negative page register values
perf/core: Fix perf_output_read_group()
ASoC: topology: create TLV data for dapm widgets
powerpc: Add missing prototype for arch_irq_work_raise()
usb: gadget: ffs: Execute copy_to_user() with USER_DS set
usb: gadget: ffs: Let setup() return USB_GADGET_DELAYED_STATUS
usb: dwc2: Fix interval type issue
ipmi_ssif: Fix kernel panic at msg_done_handler
PCI: Restore config space on runtime resume despite being unbound
MIPS: ath79: Fix AR724X_PLL_REG_PCIE_CONFIG offset
xhci: zero usb device slot_id member when disabling and freeing a xhci slot
KVM: lapic: stop advertising DIRECTED_EOI when in-kernel IOAPIC is in use
i2c: mv64xxx: Apply errata delay only in standard mode
ACPICA: acpi: acpica: fix acpi operand cache leak in nseval.c
ACPICA: Events: add a return on failure from acpi_hw_register_read
bcache: quit dc->writeback_thread when BCACHE_DEV_DETACHING is set
zorro: Set up z->dev.dma_mask for the DMA API
clk: Don't show the incorrect clock phase
cpufreq: cppc_cpufreq: Fix cppc_cpufreq_init() failure path
usb: dwc3: Update DWC_usb31 GTXFIFOSIZ reg fields
arm: dts: socfpga: fix GIC PPI warning
virtio-net: Fix operstate for virtio when no VIRTIO_NET_F_STATUS
ima: Fallback to the builtin hash algorithm
ima: Fix Kconfig to select TPM 2.0 CRB interface
ath10k: Fix kernel panic while using worker (ath10k_sta_rc_update_wk)
net/mlx5: Protect from command bit overflow
selftests: Print the test we're running to /dev/kmsg
tools/thermal: tmon: fix for segfault
powerpc/perf: Fix kernel address leak via sampling registers
powerpc/perf: Prevent kernel address leak to userspace via BHRB buffer
rtc: hctosys: Ensure system time doesn't overflow time_t
hwmon: (nct6775) Fix writing pwmX_mode
parisc/pci: Switch LBA PCI bus from Hard Fail to Soft Fail mode
m68k: set dma and coherent masks for platform FEC ethernets
powerpc/mpic: Check if cpu_possible() in mpic_physmask()
ACPI: acpi_pad: Fix memory leak in power saving threads
xen/acpi: off by one in read_acpi_id()
btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers
Btrfs: fix copy_items() return value when logging an inode
btrfs: tests/qgroup: Fix wrong tree backref level
Bluetooth: btusb: Add USB ID 7392:a611 for Edimax EW-7611ULB
net: bgmac: Fix endian access in bgmac_dma_tx_ring_free()
rtc: snvs: Fix usage of snvs_rtc_enable
sparc64: Make atomic_xchg() an inline function rather than a macro.
fscache: Fix hanging wait on page discarded by writeback
KVM: VMX: raise internal error for exception during invalid protected mode state
sched/rt: Fix rq->clock_update_flags < RQCF_ACT_SKIP warning
ocfs2/dlm: don't handle migrate lockres if already in shutdown
btrfs: Fix possible softlock on single core machines
Btrfs: fix NULL pointer dereference in log_dir_items
Btrfs: bail out on error during replay_dir_deletes
mm: fix races between address_space dereference and free in page_evicatable
mm/ksm: fix interaction with THP
dp83640: Ensure against premature access to PHY registers after reset
scsi: aacraid: Insure command thread is not recursively stopped
cpufreq: CPPC: Initialize shared perf capabilities of CPUs
Force log to disk before reading the AGF during a fstrim
sr: get/drop reference to device in revalidate and check_events
swap: divide-by-zero when zero length swap file on ssd
fs/proc/proc_sysctl.c: fix potential page fault while unregistering sysctl table
x86/pgtable: Don't set huge PUD/PMD on non-leaf entries
sh: fix debug trap failure to process signals before return to user
net: mvneta: fix enable of all initialized RXQs
net: Fix untag for vlan packets without ethernet header
mm/kmemleak.c: wait for scan completion before disabling free
llc: properly handle dev_queue_xmit() return value
net-usb: add qmi_wwan if on lte modem wistron neweb d18q1
net/usb/qmi_wwan.c: Add USB id for lt4120 modem
net: qmi_wwan: add BroadMobi BM806U 2020:2033
ARM: 8748/1: mm: Define vdso_start, vdso_end as array
batman-adv: fix packet loss for broadcasted DHCP packets to a server
batman-adv: fix multicast-via-unicast transmission with AP isolation
selftests: ftrace: Add a testcase for probepoint
selftests: ftrace: Add a testcase for string type with kprobe_event
selftests: ftrace: Add probe event argument syntax testcase
mm/mempolicy.c: avoid use uninitialized preferred_node
RDMA/ucma: Correct option size check using optlen
perf/cgroup: Fix child event counting bug
vti4: Don't override MTU passed on link creation via IFLA_MTU
vti4: Don't count header length twice on tunnel setup
batman-adv: fix header size check in batadv_dbg_arp()
net: Fix vlan untag for bridge and vlan_dev with reorder_hdr off
sunvnet: does not support GSO for sctp
ipv4: lock mtu in fnhe when received PMTU < net.ipv4.route.min_pmtu
workqueue: use put_device() instead of kfree()
bnxt_en: Check valid VNIC ID in bnxt_hwrm_vnic_set_tpa().
netfilter: ebtables: fix erroneous reject of last rule
USB: OHCI: Fix NULL dereference in HCDs using HCD_LOCAL_MEM
xen: xenbus: use put_device() instead of kfree()
fbdev: Fixing arbitrary kernel leak in case FBIOGETCMAP_SPARC in sbusfb_ioctl_helper().
scsi: sd: Keep disk read-only when re-reading partition
scsi: mpt3sas: Do not mark fw_event workqueue as WQ_MEM_RECLAIM
usb: musb: call pm_runtime_{get,put}_sync before reading vbus registers
e1000e: allocate ring descriptors with dma_zalloc_coherent
e1000e: Fix check_for_link return value with autoneg off
watchdog: f71808e_wdt: Fix magic close handling
KVM: PPC: Book3S HV: Fix VRMA initialization with 2MB or 1GB memory backing
selftests/powerpc: Skip the subpage_prot tests if the syscall is unavailable
Btrfs: send, fix issuing write op when processing hole in no data mode
xen/pirq: fix error path cleanup when binding MSIs
net/tcp/illinois: replace broken algorithm reference link
gianfar: Fix Rx byte accounting for ndev stats
sit: fix IFLA_MTU ignored on NEWLINK
bcache: fix kcrashes with fio in RAID5 backend dev
dmaengine: rcar-dmac: fix max_chunk_size for R-Car Gen3
virtio-gpu: fix ioctl and expose the fixed status to userspace.
r8152: fix tx packets accounting
clocksource/drivers/fsl_ftm_timer: Fix error return checking
nvme-pci: Fix nvme queue cleanup if IRQ setup fails
netfilter: ebtables: convert BUG_ONs to WARN_ONs
batman-adv: invalidate checksum on fragment reassembly
batman-adv: fix packet checksum in receive path
md/raid1: fix NULL pointer dereference
media: dmxdev: fix error code for invalid ioctls
x86/topology: Update the 'cpu cores' field in /proc/cpuinfo correctly across CPU hotplug operations
locking/xchg/alpha: Fix xchg() and cmpxchg() memory ordering bugs
regulatory: add NUL to request alpha2
smsc75xx: fix smsc75xx_set_features()
ARM: OMAP: Fix dmtimer init for omap1
s390/cio: clear timer when terminating driver I/O
s390/cio: fix return code after missing interrupt
powerpc/bpf/jit: Fix 32-bit JIT for seccomp_data access
kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
md: raid5: avoid string overflow warning
locking/xchg/alpha: Add unconditional memory barrier to cmpxchg()
usb: musb: fix enumeration after resume
drm/exynos: fix comparison to bitshift when dealing with a mask
md raid10: fix NULL deference in handle_write_completed()
mac80211: round IEEE80211_TX_STATUS_HEADROOM up to multiple of 4
NFC: llcp: Limit size of SDP URI
ARM: OMAP1: clock: Fix debugfs_create_*() usage
ARM: OMAP3: Fix prm wake interrupt for resume
ARM: OMAP2+: timer: fix a kmemleak caused in omap_get_timer_dt
scsi: qla4xxx: skip error recovery in case of register disconnect.
scsi: aacraid: fix shutdown crash when init fails
scsi: storvsc: Increase cmd_per_lun for higher speed devices
selftests: memfd: add config fragment for fuse
usb: dwc2: Fix dwc2_hsotg_core_init_disconnected()
usb: gadget: fsl_udc_core: fix ep valid checks
usb: gadget: f_uac2: fix bFirstInterface in composite gadget
ARC: Fix malformed ARC_EMUL_UNALIGNED default
scsi: qla2xxx: Avoid triggering undefined behavior in qla2x00_mbx_completion()
scsi: mptfusion: Add bounds check in mptctl_hp_targetinfo()
scsi: sym53c8xx_2: iterator underflow in sym_getsync()
scsi: bnx2fc: Fix check in SCSI completion handler for timed out request
scsi: ufs: Enable quirk to ignore sending WRITE_SAME command
irqchip/gic-v3: Change pr_debug message to pr_devel
locking/qspinlock: Ensure node->count is updated before initialising node
tools/libbpf: handle issues with bpf ELF objects containing .eh_frames
bcache: return attach error when no cache set exist
bcache: fix for data collapse after re-attaching an attached device
bcache: fix for allocator and register thread race
bcache: properly set task state in bch_writeback_thread()
cifs: silence compiler warnings showing up with gcc-8.0.0
proc: fix /proc/*/map_files lookup
arm64: spinlock: Fix theoretical trylock() A-B-A with LSE atomics
RDS: IB: Fix null pointer issue
xen/grant-table: Use put_page instead of free_page
xen-netfront: Fix race between device setup and open
MIPS: TXx9: use IS_BUILTIN() for CONFIG_LEDS_CLASS
bpf: fix selftests/bpf test_kmod.sh failure when CONFIG_BPF_JIT_ALWAYS_ON=y
ACPI: processor_perflib: Do not send _PPC change notification if not ready
firmware: dmi_scan: Fix handling of empty DMI strings
x86/power: Fix swsusp_arch_resume prototype
IB/ipoib: Fix for potential no-carrier state
mm: pin address_space before dereferencing it while isolating an LRU page
asm-generic: provide generic_pmdp_establish()
mm/mempolicy: add nodes_empty check in SYSC_migrate_pages
mm/mempolicy: fix the check of nodemask from user
ocfs2: return error when we attempt to access a dirty bh in jbd2
ocfs2/acl: use 'ip_xattr_sem' to protect getting extended attribute
ocfs2: return -EROFS to mount.ocfs2 if inode block is invalid
ntb_transport: Fix bug with max_mw_size parameter
RDMA/mlx5: Avoid memory leak in case of XRCD dealloc failure
powerpc/numa: Ensure nodes initialized for hotplug
powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes
jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path
HID: roccat: prevent an out of bounds read in kovaplus_profile_activated()
scsi: fas216: fix sense buffer initialization
Btrfs: fix scrub to repair raid6 corruption
btrfs: Fix out of bounds access in btrfs_search_slot
Btrfs: set plug for fsync
ipmi/powernv: Fix error return code in ipmi_powernv_probe()
mac80211_hwsim: fix possible memory leak in hwsim_new_radio_nl()
kconfig: Fix expr_free() E_NOT leak
kconfig: Fix automatic menu creation mem leak
kconfig: Don't leak main menus during parsing
watchdog: sp5100_tco: Fix watchdog disable bit
nfs: Do not convert nfs_idmap_cache_timeout to jiffies
dm thin: fix documentation relative to low water mark threshold
tools lib traceevent: Fix get_field_str() for dynamic strings
perf callchain: Fix attr.sample_max_stack setting
tools lib traceevent: Simplify pointer print logic and fix %pF
PCI: Add function 1 DMA alias quirk for Marvell 9128
tracing/hrtimer: Fix tracing bugs by taking all clock bases and modes into account
kvm: x86: fix KVM_XEN_HVM_CONFIG ioctl
ASoC: au1x: Fix timeout tests in au1xac97c_ac97_read()
ALSA: hda - Use IS_REACHABLE() for dependency on input
NFSv4: always set NFS_LOCK_LOST when a lock is lost.
firewire-ohci: work around oversized DMA reads on JMicron controllers
do d_instantiate/unlock_new_inode combinations safely
xfs: remove racy hasattr check from attr ops
kernel/signal.c: avoid undefined behaviour in kill_something_info
kernel/sys.c: fix potential Spectre v1 issue
kasan: fix memory hotplug during boot
ipc/shm: fix shmat() nil address after round-down when remapping
Revert "ipc/shm: Fix shmat mmap nil-page protection"
xen-swiotlb: fix the check condition for xen_swiotlb_free_coherent
libata: blacklist Micron 500IT SSD with MU01 firmware
libata: Blacklist some Sandisk SSDs for NCQ
mmc: sdhci-iproc: fix 32bit writes for TRANSFER_MODE register
ALSA: timer: Fix pause event notification
aio: fix io_destroy(2) vs. lookup_ioctx() race
affs_lookup(): close a race with affs_remove_link()
KVM: Fix spelling mistake: "cop_unsuable" -> "cop_unusable"
MIPS: Fix ptrace(2) PTRACE_PEEKUSR and PTRACE_POKEUSR accesses to o32 FGRs
MIPS: ptrace: Expose FIR register through FP regset
UPSTREAM: sched/fair: Consider RT/IRQ pressure in capacity_spare_wake
Conflicts:
drivers/media/dvb-core/dmxdev.c
drivers/scsi/sd.c
drivers/scsi/ufs/ufshcd.c
drivers/usb/gadget/function/f_fs.c
fs/ecryptfs/inode.c
Change-Id: I15751ed8c82ec65ba7eedcb0d385b9f803c333f7
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.134
MIPS: ptrace: Expose FIR register through FP regset
MIPS: Fix ptrace(2) PTRACE_PEEKUSR and PTRACE_POKEUSR accesses to o32 FGRs
KVM: Fix spelling mistake: "cop_unsuable" -> "cop_unusable"
affs_lookup(): close a race with affs_remove_link()
aio: fix io_destroy(2) vs. lookup_ioctx() race
ALSA: timer: Fix pause event notification
mmc: sdhci-iproc: fix 32bit writes for TRANSFER_MODE register
libata: Blacklist some Sandisk SSDs for NCQ
libata: blacklist Micron 500IT SSD with MU01 firmware
xen-swiotlb: fix the check condition for xen_swiotlb_free_coherent
Revert "ipc/shm: Fix shmat mmap nil-page protection"
ipc/shm: fix shmat() nil address after round-down when remapping
kasan: fix memory hotplug during boot
kernel/sys.c: fix potential Spectre v1 issue
kernel/signal.c: avoid undefined behaviour in kill_something_info
xfs: remove racy hasattr check from attr ops
do d_instantiate/unlock_new_inode combinations safely
firewire-ohci: work around oversized DMA reads on JMicron controllers
NFSv4: always set NFS_LOCK_LOST when a lock is lost.
ALSA: hda - Use IS_REACHABLE() for dependency on input
ASoC: au1x: Fix timeout tests in au1xac97c_ac97_read()
kvm: x86: fix KVM_XEN_HVM_CONFIG ioctl
tracing/hrtimer: Fix tracing bugs by taking all clock bases and modes into account
PCI: Add function 1 DMA alias quirk for Marvell 9128
tools lib traceevent: Simplify pointer print logic and fix %pF
perf callchain: Fix attr.sample_max_stack setting
tools lib traceevent: Fix get_field_str() for dynamic strings
dm thin: fix documentation relative to low water mark threshold
nfs: Do not convert nfs_idmap_cache_timeout to jiffies
watchdog: sp5100_tco: Fix watchdog disable bit
kconfig: Don't leak main menus during parsing
kconfig: Fix automatic menu creation mem leak
kconfig: Fix expr_free() E_NOT leak
mac80211_hwsim: fix possible memory leak in hwsim_new_radio_nl()
ipmi/powernv: Fix error return code in ipmi_powernv_probe()
Btrfs: set plug for fsync
btrfs: Fix out of bounds access in btrfs_search_slot
Btrfs: fix scrub to repair raid6 corruption
scsi: fas216: fix sense buffer initialization
HID: roccat: prevent an out of bounds read in kovaplus_profile_activated()
jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path
powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes
powerpc/numa: Ensure nodes initialized for hotplug
RDMA/mlx5: Avoid memory leak in case of XRCD dealloc failure
ntb_transport: Fix bug with max_mw_size parameter
ocfs2: return -EROFS to mount.ocfs2 if inode block is invalid
ocfs2/acl: use 'ip_xattr_sem' to protect getting extended attribute
ocfs2: return error when we attempt to access a dirty bh in jbd2
mm/mempolicy: fix the check of nodemask from user
mm/mempolicy: add nodes_empty check in SYSC_migrate_pages
asm-generic: provide generic_pmdp_establish()
mm: pin address_space before dereferencing it while isolating an LRU page
IB/ipoib: Fix for potential no-carrier state
x86/power: Fix swsusp_arch_resume prototype
firmware: dmi_scan: Fix handling of empty DMI strings
ACPI: processor_perflib: Do not send _PPC change notification if not ready
bpf: fix selftests/bpf test_kmod.sh failure when CONFIG_BPF_JIT_ALWAYS_ON=y
MIPS: TXx9: use IS_BUILTIN() for CONFIG_LEDS_CLASS
xen-netfront: Fix race between device setup and open
xen/grant-table: Use put_page instead of free_page
RDS: IB: Fix null pointer issue
arm64: spinlock: Fix theoretical trylock() A-B-A with LSE atomics
proc: fix /proc/*/map_files lookup
cifs: silence compiler warnings showing up with gcc-8.0.0
bcache: properly set task state in bch_writeback_thread()
bcache: fix for allocator and register thread race
bcache: fix for data collapse after re-attaching an attached device
bcache: return attach error when no cache set exist
tools/libbpf: handle issues with bpf ELF objects containing .eh_frames
locking/qspinlock: Ensure node->count is updated before initialising node
irqchip/gic-v3: Change pr_debug message to pr_devel
scsi: ufs: Enable quirk to ignore sending WRITE_SAME command
scsi: bnx2fc: Fix check in SCSI completion handler for timed out request
scsi: sym53c8xx_2: iterator underflow in sym_getsync()
scsi: mptfusion: Add bounds check in mptctl_hp_targetinfo()
scsi: qla2xxx: Avoid triggering undefined behavior in qla2x00_mbx_completion()
ARC: Fix malformed ARC_EMUL_UNALIGNED default
usb: gadget: f_uac2: fix bFirstInterface in composite gadget
usb: gadget: fsl_udc_core: fix ep valid checks
usb: dwc2: Fix dwc2_hsotg_core_init_disconnected()
selftests: memfd: add config fragment for fuse
scsi: storvsc: Increase cmd_per_lun for higher speed devices
scsi: aacraid: fix shutdown crash when init fails
scsi: qla4xxx: skip error recovery in case of register disconnect.
ARM: OMAP2+: timer: fix a kmemleak caused in omap_get_timer_dt
ARM: OMAP3: Fix prm wake interrupt for resume
ARM: OMAP1: clock: Fix debugfs_create_*() usage
NFC: llcp: Limit size of SDP URI
mac80211: round IEEE80211_TX_STATUS_HEADROOM up to multiple of 4
md raid10: fix NULL deference in handle_write_completed()
drm/exynos: fix comparison to bitshift when dealing with a mask
usb: musb: fix enumeration after resume
locking/xchg/alpha: Add unconditional memory barrier to cmpxchg()
md: raid5: avoid string overflow warning
kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
powerpc/bpf/jit: Fix 32-bit JIT for seccomp_data access
s390/cio: fix return code after missing interrupt
s390/cio: clear timer when terminating driver I/O
ARM: OMAP: Fix dmtimer init for omap1
smsc75xx: fix smsc75xx_set_features()
regulatory: add NUL to request alpha2
locking/xchg/alpha: Fix xchg() and cmpxchg() memory ordering bugs
x86/topology: Update the 'cpu cores' field in /proc/cpuinfo correctly across CPU hotplug operations
media: dmxdev: fix error code for invalid ioctls
md/raid1: fix NULL pointer dereference
batman-adv: fix packet checksum in receive path
batman-adv: invalidate checksum on fragment reassembly
netfilter: ebtables: convert BUG_ONs to WARN_ONs
nvme-pci: Fix nvme queue cleanup if IRQ setup fails
clocksource/drivers/fsl_ftm_timer: Fix error return checking
r8152: fix tx packets accounting
virtio-gpu: fix ioctl and expose the fixed status to userspace.
dmaengine: rcar-dmac: fix max_chunk_size for R-Car Gen3
bcache: fix kcrashes with fio in RAID5 backend dev
sit: fix IFLA_MTU ignored on NEWLINK
gianfar: Fix Rx byte accounting for ndev stats
net/tcp/illinois: replace broken algorithm reference link
xen/pirq: fix error path cleanup when binding MSIs
Btrfs: send, fix issuing write op when processing hole in no data mode
selftests/powerpc: Skip the subpage_prot tests if the syscall is unavailable
KVM: PPC: Book3S HV: Fix VRMA initialization with 2MB or 1GB memory backing
watchdog: f71808e_wdt: Fix magic close handling
e1000e: Fix check_for_link return value with autoneg off
e1000e: allocate ring descriptors with dma_zalloc_coherent
usb: musb: call pm_runtime_{get,put}_sync before reading vbus registers
scsi: mpt3sas: Do not mark fw_event workqueue as WQ_MEM_RECLAIM
scsi: sd: Keep disk read-only when re-reading partition
fbdev: Fixing arbitrary kernel leak in case FBIOGETCMAP_SPARC in sbusfb_ioctl_helper().
xen: xenbus: use put_device() instead of kfree()
USB: OHCI: Fix NULL dereference in HCDs using HCD_LOCAL_MEM
netfilter: ebtables: fix erroneous reject of last rule
bnxt_en: Check valid VNIC ID in bnxt_hwrm_vnic_set_tpa().
workqueue: use put_device() instead of kfree()
ipv4: lock mtu in fnhe when received PMTU < net.ipv4.route.min_pmtu
sunvnet: does not support GSO for sctp
net: Fix vlan untag for bridge and vlan_dev with reorder_hdr off
batman-adv: fix header size check in batadv_dbg_arp()
vti4: Don't count header length twice on tunnel setup
vti4: Don't override MTU passed on link creation via IFLA_MTU
perf/cgroup: Fix child event counting bug
RDMA/ucma: Correct option size check using optlen
mm/mempolicy.c: avoid use uninitialized preferred_node
selftests: ftrace: Add probe event argument syntax testcase
selftests: ftrace: Add a testcase for string type with kprobe_event
selftests: ftrace: Add a testcase for probepoint
batman-adv: fix multicast-via-unicast transmission with AP isolation
batman-adv: fix packet loss for broadcasted DHCP packets to a server
ARM: 8748/1: mm: Define vdso_start, vdso_end as array
net: qmi_wwan: add BroadMobi BM806U 2020:2033
net/usb/qmi_wwan.c: Add USB id for lt4120 modem
net-usb: add qmi_wwan if on lte modem wistron neweb d18q1
llc: properly handle dev_queue_xmit() return value
mm/kmemleak.c: wait for scan completion before disabling free
net: Fix untag for vlan packets without ethernet header
net: mvneta: fix enable of all initialized RXQs
sh: fix debug trap failure to process signals before return to user
x86/pgtable: Don't set huge PUD/PMD on non-leaf entries
fs/proc/proc_sysctl.c: fix potential page fault while unregistering sysctl table
swap: divide-by-zero when zero length swap file on ssd
sr: get/drop reference to device in revalidate and check_events
Force log to disk before reading the AGF during a fstrim
cpufreq: CPPC: Initialize shared perf capabilities of CPUs
scsi: aacraid: Insure command thread is not recursively stopped
dp83640: Ensure against premature access to PHY registers after reset
mm/ksm: fix interaction with THP
mm: fix races between address_space dereference and free in page_evicatable
Btrfs: bail out on error during replay_dir_deletes
Btrfs: fix NULL pointer dereference in log_dir_items
btrfs: Fix possible softlock on single core machines
ocfs2/dlm: don't handle migrate lockres if already in shutdown
sched/rt: Fix rq->clock_update_flags < RQCF_ACT_SKIP warning
KVM: VMX: raise internal error for exception during invalid protected mode state
fscache: Fix hanging wait on page discarded by writeback
sparc64: Make atomic_xchg() an inline function rather than a macro.
rtc: snvs: Fix usage of snvs_rtc_enable
net: bgmac: Fix endian access in bgmac_dma_tx_ring_free()
Bluetooth: btusb: Add USB ID 7392:a611 for Edimax EW-7611ULB
btrfs: tests/qgroup: Fix wrong tree backref level
Btrfs: fix copy_items() return value when logging an inode
btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers
xen/acpi: off by one in read_acpi_id()
ACPI: acpi_pad: Fix memory leak in power saving threads
powerpc/mpic: Check if cpu_possible() in mpic_physmask()
m68k: set dma and coherent masks for platform FEC ethernets
parisc/pci: Switch LBA PCI bus from Hard Fail to Soft Fail mode
hwmon: (nct6775) Fix writing pwmX_mode
rtc: hctosys: Ensure system time doesn't overflow time_t
powerpc/perf: Prevent kernel address leak to userspace via BHRB buffer
powerpc/perf: Fix kernel address leak via sampling registers
tools/thermal: tmon: fix for segfault
selftests: Print the test we're running to /dev/kmsg
net/mlx5: Protect from command bit overflow
ath10k: Fix kernel panic while using worker (ath10k_sta_rc_update_wk)
ima: Fix Kconfig to select TPM 2.0 CRB interface
ima: Fallback to the builtin hash algorithm
virtio-net: Fix operstate for virtio when no VIRTIO_NET_F_STATUS
arm: dts: socfpga: fix GIC PPI warning
usb: dwc3: Update DWC_usb31 GTXFIFOSIZ reg fields
cpufreq: cppc_cpufreq: Fix cppc_cpufreq_init() failure path
clk: Don't show the incorrect clock phase
zorro: Set up z->dev.dma_mask for the DMA API
bcache: quit dc->writeback_thread when BCACHE_DEV_DETACHING is set
ACPICA: Events: add a return on failure from acpi_hw_register_read
ACPICA: acpi: acpica: fix acpi operand cache leak in nseval.c
i2c: mv64xxx: Apply errata delay only in standard mode
KVM: lapic: stop advertising DIRECTED_EOI when in-kernel IOAPIC is in use
xhci: zero usb device slot_id member when disabling and freeing a xhci slot
MIPS: ath79: Fix AR724X_PLL_REG_PCIE_CONFIG offset
PCI: Restore config space on runtime resume despite being unbound
ipmi_ssif: Fix kernel panic at msg_done_handler
usb: dwc2: Fix interval type issue
usb: gadget: ffs: Let setup() return USB_GADGET_DELAYED_STATUS
usb: gadget: ffs: Execute copy_to_user() with USER_DS set
powerpc: Add missing prototype for arch_irq_work_raise()
ASoC: topology: create TLV data for dapm widgets
perf/core: Fix perf_output_read_group()
hwmon: (pmbus/max8688) Accept negative page register values
hwmon: (pmbus/adm1275) Accept negative page register values
cdrom: do not call check_disk_change() inside cdrom_open()
gfs2: Fix fallocate chunk size
usb: gadget: udc: change comparison to bitshift when dealing with a mask
usb: gadget: composite: fix incorrect handling of OS desc requests
x86/devicetree: Initialize device tree before using it
x86/devicetree: Fix device IRQ settings in DT
ALSA: vmaster: Propagate slave error
media: cx23885: Override 888 ImpactVCBe crystal frequency
media: cx23885: Set subdev host data to clk_freq pointer
media: s3c-camif: fix out-of-bounds array access
dmaengine: pl330: fix a race condition in case of threaded irqs
media: em28xx: USB bulk packet size fix
clk: rockchip: Prevent calculating mmc phase if clock rate is zero
enic: enable rq before updating rq descriptors
hwrng: stm32 - add reset during probe
staging: rtl8192u: return -ENOMEM on failed allocation of priv->oldaddr
rtc: tx4939: avoid unintended sign extension on a 24 bit shift
serial: xuartps: Fix out-of-bounds access through DT alias
serial: samsung: Fix out-of-bounds access through serial port index
serial: mxs-auart: Fix out-of-bounds access through serial port index
serial: imx: Fix out-of-bounds access through serial port index
serial: fsl_lpuart: Fix out-of-bounds access through DT alias
serial: arc_uart: Fix out-of-bounds access through DT alias
PCI: Add function 1 DMA alias quirk for Marvell 88SE9220
udf: Provide saner default for invalid uid / gid
media: cx25821: prevent out-of-bounds read on array card
clk: samsung: s3c2410: Fix PLL rates
clk: samsung: exynos5260: Fix PLL rates
clk: samsung: exynos5433: Fix PLL rates
clk: samsung: exynos5250: Fix PLL rates
clk: samsung: exynos3250: Fix PLL rates
crypto: sunxi-ss - Add MODULE_ALIAS to sun4i-ss
audit: return on memory error to avoid null pointer dereference
MIPS: Octeon: Fix logging messages with spurious periods after newlines
drm/rockchip: Respect page offset for PRIME mmap calls
x86/apic: Set up through-local-APIC mode on the boot CPU if 'noapic' specified
perf tests: Use arch__compare_symbol_names to compare symbols
perf report: Fix memory corruption in --branch-history mode --branch-history
selftests/net: fixes psock_fanout eBPF test case
netlabel: If PF_INET6, check sk_buff ip header version
scsi: lpfc: Fix issue_lip if link is disabled
scsi: lpfc: Fix soft lockup in lpfc worker thread during LIP testing
scsi: lpfc: Fix frequency of Release WQE CQEs
regulator: of: Add a missing 'of_node_put()' in an error handling path of 'of_regulator_match()'
ASoC: samsung: i2s: Ensure the RCLK rate is properly determined
Bluetooth: btusb: Add device ID for RTL8822BE
kdb: make "mdr" command repeat
s390/ftrace: use expoline for indirect branches
Linux 4.4.134
Change-Id: Iababaf9b89bc8d0437b95e1368d8b0a9126a178c
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 1e0ce03bf142454f38a5fc050bf4fd698d2d36d8 ]
The "mdr" command should repeat (continue) when only Enter/Return
is pressed, so make it do so.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: kgdb-bugreport@lists.sourceforge.net
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 23138ead270045f1b3e912e667967b6094244999 ]
If there is a memory allocation error when trying to change an audit
kernel feature value, the ignored allocation error will trigger a NULL
pointer dereference oops on subsequent use of that pointer. Return
instead.
Passes audit-testsuite.
See: https://github.com/linux-audit/audit-kernel/issues/76
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[PM: not necessary (other funcs check for NULL), but a good practice]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 9e5b127d6f33468143d90c8a45ca12410e4c3fa7 ]
Mark reported his arm64 perf fuzzer runs sometimes splat like:
armv8pmu_read_counter+0x1e8/0x2d8
armpmu_event_update+0x8c/0x188
armpmu_read+0xc/0x18
perf_output_read+0x550/0x11e8
perf_event_read_event+0x1d0/0x248
perf_event_exit_task+0x468/0xbb8
do_exit+0x690/0x1310
do_group_exit+0xd0/0x2b0
get_signal+0x2e8/0x17a8
do_signal+0x144/0x4f8
do_notify_resume+0x148/0x1e8
work_pending+0x8/0x14
which asserts that we only call pmu::read() on ACTIVE events.
The above callchain does:
perf_event_exit_task()
perf_event_exit_task_context()
task_ctx_sched_out() // INACTIVE
perf_event_exit_event()
perf_event_set_state(EXIT) // EXIT
sync_child_event()
perf_event_read_event()
perf_output_read()
perf_output_read_group()
leader->pmu->read()
Which results in doing a pmu::read() on an !ACTIVE event.
I _think_ this is 'new' since we added attr.inherit_stat, which added
the perf_event_read_event() to the exit path, without that
perf_event_read_output() would only trigger from samples and for
@event to trigger a sample, it's leader _must_ be ACTIVE too.
Still, adding this check makes it consistent with the @sub case for
the siblings.
Reported-and-Tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d29a20645d5e929aa7e8616f28e5d8e1c49263ec ]
While running rt-tests' pi_stress program I got the following splat:
rq->clock_update_flags < RQCF_ACT_SKIP
WARNING: CPU: 27 PID: 0 at kernel/sched/sched.h:960 assert_clock_updated.isra.38.part.39+0x13/0x20
[...]
<IRQ>
enqueue_top_rt_rq+0xf4/0x150
? cpufreq_dbs_governor_start+0x170/0x170
sched_rt_rq_enqueue+0x65/0x80
sched_rt_period_timer+0x156/0x360
? sched_rt_rq_enqueue+0x80/0x80
__hrtimer_run_queues+0xfa/0x260
hrtimer_interrupt+0xcb/0x220
smp_apic_timer_interrupt+0x62/0x120
apic_timer_interrupt+0xf/0x20
</IRQ>
[...]
do_idle+0x183/0x1e0
cpu_startup_entry+0x5f/0x70
start_secondary+0x192/0x1d0
secondary_startup_64+0xa5/0xb0
We can get rid of it be the "traditional" means of adding an
update_rq_clock() call after acquiring the rq->lock in
do_sched_rt_period_timer().
The case for the RT task throttling (which this workload also hits)
can be ignored in that the skip_update call is actually bogus and
quite the contrary (the request bits are removed/reverted).
By setting RQCF_UPDATED we really don't care if the skip is happening
or not and will therefore make the assert_clock_updated() check happy.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dave@stgolabs.net
Cc: linux-kernel@vger.kernel.org
Cc: rostedt@goodmis.org
Link: http://lkml.kernel.org/r/20180402164954.16255-1-dave@stgolabs.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c917e0f259908e75bd2a65877e25f9d90c22c848 ]
When a perf_event is attached to parent cgroup, it should count events
for all children cgroups:
parent_group <---- perf_event
\
- child_group <---- process(es)
However, in our tests, we found this perf_event cannot report reliable
results. Here is an example case:
# create cgroups
mkdir -p /sys/fs/cgroup/p/c
# start perf for parent group
perf stat -e instructions -G "p"
# on another console, run test process in child cgroup:
stressapptest -s 2 -M 1000 & echo $! > /sys/fs/cgroup/p/c/cgroup.procs
# after the test process is done, stop perf in the first console shows
<not counted> instructions p
The instruction should not be "not counted" as the process runs in the
child cgroup.
We found this is because perf_event->cgrp and cpuctx->cgrp are not
identical, thus perf_event->cgrp are not updated properly.
This patch fixes this by updating perf_cgroup properly for ancestor
cgroup(s).
Reported-by: Ephraim Park <ephiepark@fb.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: <jolsa@redhat.com>
Cc: <kernel-team@fb.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: http://lkml.kernel.org/r/20180312165943.1057894-1-songliubraving@fb.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 537f4146c53c95aac977852b371bafb9c6755ee1 ]
Never directly free @dev after calling device_register(), even
if it returned an error! Always use put_device() to give up the
reference initialized in this function instead.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 88913bd8ea2a75d7e460a4bed5f75e1c32660d7e ]
chan->n_subbufs is set by the user and relay_create_buf() does a kmalloc()
of chan->n_subbufs * sizeof(size_t *).
kmalloc_slab() will generate a warning when this fails if
chan->subbufs * sizeof(size_t *) > KMALLOC_MAX_SIZE.
Limit chan->n_subbufs to the maximum allowed kmalloc() size.
Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1802061216100.122576@chino.kir.corp.google.com
Fixes: f6302f1bcd75 ("relay: prevent integer overflow in relay_open()")
Signed-off-by: David Rientjes <rientjes@google.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Dan Carpenter <dan.carpenter@oracle.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@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 11dc13224c975efcec96647a4768a6f1bb7a19a8 ]
When queuing on the qspinlock, the count field for the current CPU's head
node is incremented. This needn't be atomic because locking in e.g. IRQ
context is balanced and so an IRQ will return with node->count as it
found it.
However, the compiler could in theory reorder the initialisation of
node[idx] before the increment of the head node->count, causing an
IRQ to overwrite the initialised node and potentially corrupt the lock
state.
Avoid the potential for this harmful compiler reordering by placing a
barrier() between the increment of the head node->count and the subsequent
node initialisation.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1518528177-19169-3-git-send-email-will.deacon@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 328008a72d38b5bde6491e463405c34a81a65d3e ]
The declaration for swsusp_arch_resume marks it as 'asmlinkage', but the
definition in x86-32 does not, and it fails to include the header with the
declaration. This leads to a warning when building with
link-time-optimizations:
kernel/power/power.h:108:23: error: type of 'swsusp_arch_resume' does not match original declaration [-Werror=lto-type-mismatch]
extern asmlinkage int swsusp_arch_resume(void);
^
arch/x86/power/hibernate_32.c:148:0: note: 'swsusp_arch_resume' was previously declared here
int swsusp_arch_resume(void)
This moves the declaration into a globally visible header file and fixes up
both x86 definitions to match it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Len Brown <len.brown@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Nicolas Pitre <nico@linaro.org>
Cc: linux-pm@vger.kernel.org
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Bart Van Assche <bart.vanassche@wdc.com>
Link: https://lkml.kernel.org/r/20180202145634.200291-2-arnd@arndb.de
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4ea77014af0d6205b05503d1c7aac6eace11d473 upstream.
When running kill(72057458746458112, 0) in userspace I hit the following
issue.
UBSAN: Undefined behaviour in kernel/signal.c:1462:11
negation of -2147483648 cannot be represented in type 'int':
CPU: 226 PID: 9849 Comm: test Tainted: G B ---- ------- 3.10.0-327.53.58.70.x86_64_ubsan+ #116
Hardware name: Huawei Technologies Co., Ltd. RH8100 V3/BC61PBIA, BIOS BLHSV028 11/11/2014
Call Trace:
dump_stack+0x19/0x1b
ubsan_epilogue+0xd/0x50
__ubsan_handle_negate_overflow+0x109/0x14e
SYSC_kill+0x43e/0x4d0
SyS_kill+0xe/0x10
system_call_fastpath+0x16/0x1b
Add code to avoid the UBSAN detection.
[akpm@linux-foundation.org: tweak comment]
Link: http://lkml.kernel.org/r/1496670008-59084-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: zhongjiang <zhongjiang@huawei.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 23d6aef74da86a33fa6bb75f79565e0a16ee97c2 upstream.
`resource' can be controlled by user-space, hence leading to a potential
exploitation of the Spectre variant 1 vulnerability.
This issue was detected with the help of Smatch:
kernel/sys.c:1474 __do_compat_sys_old_getrlimit() warn: potential spectre issue 'get_current()->signal->rlim' (local cap)
kernel/sys.c:1455 __do_sys_old_getrlimit() warn: potential spectre issue 'get_current()->signal->rlim' (local cap)
Fix this by sanitizing *resource* before using it to index
current->signal->rlim
Notice that given that speculation windows are large, the policy is to
kill the speculation on the first load and not worry if it can be
completed with a dependent load/store [1].
[1] https://marc.info/?l=linux-kernel&m=152449131114778&w=2
Link: http://lkml.kernel.org/r/20180515030038.GA11822@embeddedor.com
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: <stable@vger.kernel.org>
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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capacity_spare_wake in the slow path influences choice of idlest groups,
as we search for groups with maximum spare capacity. In scenarios where
RT pressure is high, a sub optimal group can be chosen and hurt
performance of the task being woken up.
Several tests with results are included below to show improvements with
this change.
1) Hackbench on Pixel 2 Android device (4x4 ARM64 Octa core)
------------------------------------------------------------
Here we have RT activity running on big CPU cluster induced with rt-app,
and running hackbench in parallel. The RT tasks are bound to 4 CPUs on
the big cluster (cpu 4,5,6,7) and have 100ms periodicity with
runtime=20ms sleep=80ms.
Hackbench shows big benefit (30%) improvement when number of tasks is 8
and 32: Note: data is completion time in seconds (lower is better).
Number of loops for 8 and 16 tasks is 50000, and for 32 tasks its 20000.
+--------+-----+-------+-------------------+---------------------------+
| groups | fds | tasks | Without Patch | With Patch |
+--------+-----+-------+---------+---------+-----------------+---------+
| | | | Mean | Stdev | Mean | Stdev |
| | | +-------------------+-----------------+---------+
| 1 | 8 | 8 | 1.0534 | 0.13722 | 0.7293 (+30.7%) | 0.02653 |
| 2 | 8 | 16 | 1.6219 | 0.16631 | 1.6391 (-1%) | 0.24001 |
| 4 | 8 | 32 | 1.2538 | 0.13086 | 1.1080 (+11.6%) | 0.16201 |
+--------+-----+-------+---------+---------+-----------------+---------+
2) Rohit ran barrier.c test (details below) with following improvements:
------------------------------------------------------------------------
This was Rohit's original use case for a patch he posted at [1] however
from his recent tests he showed my patch can replace his slow path
changes [1] and there's no need to selectively scan/skip CPUs in
find_idlest_group_cpu in the slow path to get the improvement he sees.
barrier.c (open_mp code) as a micro-benchmark. It does a number of
iterations and barrier sync at the end of each for loop.
Here barrier,c is running in along with ping on CPU 0 and 1 as:
'ping -l 10000 -q -s 10 -f hostX'
barrier.c can be found at:
http://www.spinics.net/lists/kernel/msg2506955.html
Following are the results for the iterations per second with this
micro-benchmark (higher is better), on a 44 core, 2 socket 88 Threads
Intel x86 machine:
+--------+------------------+---------------------------+
|Threads | Without patch | With patch |
| | | |
+--------+--------+---------+-----------------+---------+
| | Mean | Std Dev | Mean | Std Dev |
+--------+--------+---------+-----------------+---------+
|1 | 539.36 | 60.16 | 572.54 (+6.15%) | 40.95 |
|2 | 481.01 | 19.32 | 530.64 (+10.32%)| 56.16 |
|4 | 474.78 | 22.28 | 479.46 (+0.99%) | 18.89 |
|8 | 450.06 | 24.91 | 447.82 (-0.50%) | 12.36 |
|16 | 436.99 | 22.57 | 441.88 (+1.12%) | 7.39 |
|32 | 388.28 | 55.59 | 429.4 (+10.59%)| 31.14 |
|64 | 314.62 | 6.33 | 311.81 (-0.89%) | 11.99 |
+--------+--------+---------+-----------------+---------+
3) ping+hackbench test on bare-metal sever (Rohit ran this test)
----------------------------------------------------------------
Here hackbench is running in threaded mode along
with, running ping on CPU 0 and 1 as:
'ping -l 10000 -q -s 10 -f hostX'
This test is running on 2 socket, 20 core and 40 threads Intel x86
machine:
Number of loops is 10000 and runtime is in seconds (Lower is better).
+--------------+-----------------+--------------------------+
|Task Groups | Without patch | With patch |
| +-------+---------+----------------+---------+
|(Groups of 40)| Mean | Std Dev | Mean | Std Dev |
+--------------+-------+---------+----------------+---------+
|1 | 0.851 | 0.007 | 0.828 (+2.77%)| 0.032 |
|2 | 1.083 | 0.203 | 1.087 (-0.37%)| 0.246 |
|4 | 1.601 | 0.051 | 1.611 (-0.62%)| 0.055 |
|8 | 2.837 | 0.060 | 2.827 (+0.35%)| 0.031 |
|16 | 5.139 | 0.133 | 5.107 (+0.63%)| 0.085 |
|25 | 7.569 | 0.142 | 7.503 (+0.88%)| 0.143 |
+--------------+-------+---------+----------------+---------+
[1] https://patchwork.kernel.org/patch/9991635/
Matt Fleming also ran cyclictest and several different hackbench tests
on his test machines to santiy-check that the patch doesn't harm any
of his usecases.
Change-Id: Ibcedbb65273545ff2f4d1962b4eaca14072b1bd2
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Morten Ramussen <morten.rasmussen@arm.com>
Cc: Brendan Jackman <brendan.jackman@arm.com>
Tested-by: Rohit Jain <rohit.k.jain@oracle.com>
Tested-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Joel Fernandes <joelaf@google.com>
Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
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Add KPI Marker for hibernation failure and success
needed for perf image.
Change-Id: I90a4e503c75ccb1d0edb3d26f7f8d5f08dafe95e
Signed-off-by: Atul Raut <araut@codeaurora.org>
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* refs/heads/tmp-3f51ea2
Linux 4.4.133
x86/kexec: Avoid double free_page() upon do_kexec_load() failure
hfsplus: stop workqueue when fill_super() failed
cfg80211: limit wiphy names to 128 bytes
gpio: rcar: Add Runtime PM handling for interrupts
time: Fix CLOCK_MONOTONIC_RAW sub-nanosecond accounting
dmaengine: ensure dmaengine helpers check valid callback
scsi: zfcp: fix infinite iteration on ERP ready list
scsi: sg: allocate with __GFP_ZERO in sg_build_indirect()
scsi: libsas: defer ata device eh commands to libata
s390: use expoline thunks in the BPF JIT
s390: extend expoline to BC instructions
s390: move spectre sysfs attribute code
s390/kernel: use expoline for indirect branches
s390/lib: use expoline for indirect branches
s390: move expoline assembler macros to a header
s390: add assembler macros for CPU alternatives
ext2: fix a block leak
tcp: purge write queue in tcp_connect_init()
sock_diag: fix use-after-free read in __sk_free
packet: in packet_snd start writing at link layer allocation
net: test tailroom before appending to linear skb
btrfs: fix reading stale metadata blocks after degraded raid1 mounts
btrfs: fix crash when trying to resume balance without the resume flag
Btrfs: fix xattr loss after power failure
ARM: 8772/1: kprobes: Prohibit kprobes on get_user functions
ARM: 8770/1: kprobes: Prohibit probing on optimized_callback
ARM: 8769/1: kprobes: Fix to use get_kprobe_ctlblk after irq-disabed
tick/broadcast: Use for_each_cpu() specially on UP kernels
ARM: 8771/1: kprobes: Prohibit kprobes on do_undefinstr
efi: Avoid potential crashes, fix the 'struct efi_pci_io_protocol_32' definition for mixed mode
s390: remove indirect branch from do_softirq_own_stack
s390/qdio: don't release memory in qdio_setup_irq()
s390/cpum_sf: ensure sample frequency of perf event attributes is non-zero
s390/qdio: fix access to uninitialized qdio_q fields
mm: don't allow deferred pages with NEED_PER_CPU_KM
powerpc/powernv: Fix NVRAM sleep in invalid context when crashing
procfs: fix pthread cross-thread naming if !PR_DUMPABLE
proc read mm's {arg,env}_{start,end} with mmap semaphore taken.
tracing/x86/xen: Remove zero data size trace events trace_xen_mmu_flush_tlb{_all}
cpufreq: intel_pstate: Enable HWP by default
signals: avoid unnecessary taking of sighand->siglock
mm: filemap: avoid unnecessary calls to lock_page when waiting for IO to complete during a read
mm: filemap: remove redundant code in do_read_cache_page
proc: meminfo: estimate available memory more conservatively
vmscan: do not force-scan file lru if its absolute size is small
powerpc: Don't preempt_disable() in show_cpuinfo()
cpuidle: coupled: remove unused define cpuidle_coupled_lock
powerpc/powernv: remove FW_FEATURE_OPALv3 and just use FW_FEATURE_OPAL
powerpc/powernv: Remove OPALv2 firmware define and references
powerpc/powernv: panic() on OPAL < V3
spi: pxa2xx: Allow 64-bit DMA
ALSA: control: fix a redundant-copy issue
ALSA: hda: Add Lenovo C50 All in one to the power_save blacklist
ALSA: usb: mixer: volume quirk for CM102-A+/102S+
usbip: usbip_host: fix bad unlock balance during stub_probe()
usbip: usbip_host: fix NULL-ptr deref and use-after-free errors
usbip: usbip_host: run rebind from exit when module is removed
usbip: usbip_host: delete device from busid_table after rebind
usbip: usbip_host: refine probe and disconnect debug msgs to be useful
kernel/exit.c: avoid undefined behaviour when calling wait4()
futex: futex_wake_op, fix sign_extend32 sign bits
pipe: cap initial pipe capacity according to pipe-max-size limit
l2tp: revert "l2tp: fix missing print session offset info"
Revert "ARM: dts: imx6qdl-wandboard: Fix audio channel swap"
lockd: lost rollback of set_grace_period() in lockd_down_net()
xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM)
futex: Remove duplicated code and fix undefined behaviour
futex: Remove unnecessary warning from get_futex_key
arm64: Add work around for Arm Cortex-A55 Erratum 1024718
arm64: introduce mov_q macro to move a constant into a 64-bit register
audit: move calcs after alloc and check when logging set loginuid
ALSA: timer: Call notifier in the same spinlock
sctp: delay the authentication for the duplicated cookie-echo chunk
sctp: fix the issue that the cookie-ack with auth can't get processed
tcp: ignore Fast Open on repair mode
bonding: do not allow rlb updates to invalid mac
tg3: Fix vunmap() BUG_ON() triggered from tg3_free_consistent().
sctp: use the old asoc when making the cookie-ack chunk in dupcook_d
sctp: handle two v4 addrs comparison in sctp_inet6_cmp_addr
r8169: fix powering up RTL8168h
qmi_wwan: do not steal interfaces from class drivers
openvswitch: Don't swap table in nlattr_set() after OVS_ATTR_NESTED is found
net: support compat 64-bit time in {s,g}etsockopt
net_sched: fq: take care of throttled flows before reuse
net/mlx4_en: Verify coalescing parameters are in range
net: ethernet: sun: niu set correct packet size in skb
llc: better deal with too small mtu
ipv4: fix memory leaks in udp_sendmsg, ping_v4_sendmsg
dccp: fix tasklet usage
bridge: check iface upper dev when setting master via ioctl
8139too: Use disable_irq_nosync() in rtl8139_poll_controller()
BACKPORT, FROMLIST: fscrypt: add Speck128/256 support
cgroup: Disable IRQs while holding css_set_lock
Revert "cgroup: Disable IRQs while holding css_set_lock"
cgroup: Disable IRQs while holding css_set_lock
ANDROID: proc: fix undefined behavior in proc_uid_base_readdir
x86: vdso: Fix leaky vdso linker with CC=clang.
ANDROID: build: cuttlefish: Upgrade clang to newer version.
ANDROID: build: cuttlefish: Upgrade clang to newer version.
ANDROID: build: cuttlefish: Fix path to clang.
UPSTREAM: dm bufio: avoid sleeping while holding the dm_bufio lock
ANDROID: sdcardfs: Don't d_drop in d_revalidate
Conflicts:
arch/arm64/include/asm/cputype.h
fs/ext4/crypto.c
fs/ext4/ext4.h
kernel/cgroup.c
mm/vmscan.c
Change-Id: Ic10c5722b6439af1cf423fd949c493f786764d7e
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.133
8139too: Use disable_irq_nosync() in rtl8139_poll_controller()
bridge: check iface upper dev when setting master via ioctl
dccp: fix tasklet usage
ipv4: fix memory leaks in udp_sendmsg, ping_v4_sendmsg
llc: better deal with too small mtu
net: ethernet: sun: niu set correct packet size in skb
net/mlx4_en: Verify coalescing parameters are in range
net_sched: fq: take care of throttled flows before reuse
net: support compat 64-bit time in {s,g}etsockopt
openvswitch: Don't swap table in nlattr_set() after OVS_ATTR_NESTED is found
qmi_wwan: do not steal interfaces from class drivers
r8169: fix powering up RTL8168h
sctp: handle two v4 addrs comparison in sctp_inet6_cmp_addr
sctp: use the old asoc when making the cookie-ack chunk in dupcook_d
tg3: Fix vunmap() BUG_ON() triggered from tg3_free_consistent().
bonding: do not allow rlb updates to invalid mac
tcp: ignore Fast Open on repair mode
sctp: fix the issue that the cookie-ack with auth can't get processed
sctp: delay the authentication for the duplicated cookie-echo chunk
ALSA: timer: Call notifier in the same spinlock
audit: move calcs after alloc and check when logging set loginuid
arm64: introduce mov_q macro to move a constant into a 64-bit register
arm64: Add work around for Arm Cortex-A55 Erratum 1024718
futex: Remove unnecessary warning from get_futex_key
futex: Remove duplicated code and fix undefined behaviour
xfrm: fix xfrm_do_migrate() with AEAD e.g(AES-GCM)
lockd: lost rollback of set_grace_period() in lockd_down_net()
Revert "ARM: dts: imx6qdl-wandboard: Fix audio channel swap"
l2tp: revert "l2tp: fix missing print session offset info"
pipe: cap initial pipe capacity according to pipe-max-size limit
futex: futex_wake_op, fix sign_extend32 sign bits
kernel/exit.c: avoid undefined behaviour when calling wait4()
usbip: usbip_host: refine probe and disconnect debug msgs to be useful
usbip: usbip_host: delete device from busid_table after rebind
usbip: usbip_host: run rebind from exit when module is removed
usbip: usbip_host: fix NULL-ptr deref and use-after-free errors
usbip: usbip_host: fix bad unlock balance during stub_probe()
ALSA: usb: mixer: volume quirk for CM102-A+/102S+
ALSA: hda: Add Lenovo C50 All in one to the power_save blacklist
ALSA: control: fix a redundant-copy issue
spi: pxa2xx: Allow 64-bit DMA
powerpc/powernv: panic() on OPAL < V3
powerpc/powernv: Remove OPALv2 firmware define and references
powerpc/powernv: remove FW_FEATURE_OPALv3 and just use FW_FEATURE_OPAL
cpuidle: coupled: remove unused define cpuidle_coupled_lock
powerpc: Don't preempt_disable() in show_cpuinfo()
vmscan: do not force-scan file lru if its absolute size is small
proc: meminfo: estimate available memory more conservatively
mm: filemap: remove redundant code in do_read_cache_page
mm: filemap: avoid unnecessary calls to lock_page when waiting for IO to complete during a read
signals: avoid unnecessary taking of sighand->siglock
cpufreq: intel_pstate: Enable HWP by default
tracing/x86/xen: Remove zero data size trace events trace_xen_mmu_flush_tlb{_all}
proc read mm's {arg,env}_{start,end} with mmap semaphore taken.
procfs: fix pthread cross-thread naming if !PR_DUMPABLE
powerpc/powernv: Fix NVRAM sleep in invalid context when crashing
mm: don't allow deferred pages with NEED_PER_CPU_KM
s390/qdio: fix access to uninitialized qdio_q fields
s390/cpum_sf: ensure sample frequency of perf event attributes is non-zero
s390/qdio: don't release memory in qdio_setup_irq()
s390: remove indirect branch from do_softirq_own_stack
efi: Avoid potential crashes, fix the 'struct efi_pci_io_protocol_32' definition for mixed mode
ARM: 8771/1: kprobes: Prohibit kprobes on do_undefinstr
tick/broadcast: Use for_each_cpu() specially on UP kernels
ARM: 8769/1: kprobes: Fix to use get_kprobe_ctlblk after irq-disabed
ARM: 8770/1: kprobes: Prohibit probing on optimized_callback
ARM: 8772/1: kprobes: Prohibit kprobes on get_user functions
Btrfs: fix xattr loss after power failure
btrfs: fix crash when trying to resume balance without the resume flag
btrfs: fix reading stale metadata blocks after degraded raid1 mounts
net: test tailroom before appending to linear skb
packet: in packet_snd start writing at link layer allocation
sock_diag: fix use-after-free read in __sk_free
tcp: purge write queue in tcp_connect_init()
ext2: fix a block leak
s390: add assembler macros for CPU alternatives
s390: move expoline assembler macros to a header
s390/lib: use expoline for indirect branches
s390/kernel: use expoline for indirect branches
s390: move spectre sysfs attribute code
s390: extend expoline to BC instructions
s390: use expoline thunks in the BPF JIT
scsi: libsas: defer ata device eh commands to libata
scsi: sg: allocate with __GFP_ZERO in sg_build_indirect()
scsi: zfcp: fix infinite iteration on ERP ready list
dmaengine: ensure dmaengine helpers check valid callback
time: Fix CLOCK_MONOTONIC_RAW sub-nanosecond accounting
gpio: rcar: Add Runtime PM handling for interrupts
cfg80211: limit wiphy names to 128 bytes
hfsplus: stop workqueue when fill_super() failed
x86/kexec: Avoid double free_page() upon do_kexec_load() failure
Linux 4.4.133
Change-Id: I0554b12889bc91add2a444da95f18d59c6fb9cdb
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 3d88d56c5873f6eebe23e05c3da701960146b801 upstream.
Due to how the MONOTONIC_RAW accumulation logic was handled,
there is the potential for a 1ns discontinuity when we do
accumulations. This small discontinuity has for the most part
gone un-noticed, but since ARM64 enabled CLOCK_MONOTONIC_RAW
in their vDSO clock_gettime implementation, we've seen failures
with the inconsistency-check test in kselftest.
This patch addresses the issue by using the same sub-ns
accumulation handling that CLOCK_MONOTONIC uses, which avoids
the issue for in-kernel users.
Since the ARM64 vDSO implementation has its own clock_gettime
calculation logic, this patch reduces the frequency of errors,
but failures are still seen. The ARM64 vDSO will need to be
updated to include the sub-nanosecond xtime_nsec values in its
calculation for this issue to be completely fixed.
Signed-off-by: John Stultz <john.stultz@linaro.org>
Tested-by: Daniel Mentz <danielmentz@google.com>
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Cc: Will Deacon <will.deacon@arm.com>
Cc: "stable #4 . 8+" <stable@vger.kernel.org>
Cc: Miroslav Lichvar <mlichvar@redhat.com>
Link: http://lkml.kernel.org/r/1496965462-20003-3-git-send-email-john.stultz@linaro.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
[fabrizio: cherry-pick to 4.4. Kept cycle_t type for function
logarithmic_accumulation local variable "interval". Dropped
casting of "interval" variable]
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 5596fe34495cf0f645f417eb928ef224df3e3cb4 upstream.
for_each_cpu() unintuitively reports CPU0 as set independent of the actual
cpumask content on UP kernels. This causes an unexpected PIT interrupt
storm on a UP kernel running in an SMP virtual machine on Hyper-V, and as
a result, the virtual machine can suffer from a strange random delay of 1~20
minutes during boot-up, and sometimes it can hang forever.
Protect if by checking whether the cpumask is empty before entering the
for_each_cpu() loop.
[ tglx: Use !IS_ENABLED(CONFIG_SMP) instead of #ifdeffery ]
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Josh Poulson <jopoulso@microsoft.com>
Cc: "Michael Kelley (EOSG)" <Michael.H.Kelley@microsoft.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: stable@vger.kernel.org
Cc: Rakib Mullick <rakib.mullick@gmail.com>
Cc: Jork Loeser <Jork.Loeser@microsoft.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: KY Srinivasan <kys@microsoft.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Link: https://lkml.kernel.org/r/KL1P15301MB000678289FE55BA365B3279ABF990@KL1P15301MB0006.APCP153.PROD.OUTLOOK.COM
Link: https://lkml.kernel.org/r/KL1P15301MB0006FA63BC22BEB64902EAA0BF930@KL1P15301MB0006.APCP153.PROD.OUTLOOK.COM
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c7be96af89d4b53211862d8599b2430e8900ed92 upstream.
When running certain database workload on a high-end system with many
CPUs, it was found that spinlock contention in the sigprocmask syscalls
became a significant portion of the overall CPU cycles as shown below.
9.30% 9.30% 905387 dataserver /proc/kcore 0x7fff8163f4d2
[k] _raw_spin_lock_irq
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---_raw_spin_lock_irq
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|--99.34%-- __set_current_blocked
| sigprocmask
| sys_rt_sigprocmask
| system_call_fastpath
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| |--50.63%-- __swapcontext
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| | |--99.91%-- upsleepgeneric
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| |--49.36%-- __setcontext
| | ktskRun
Looking further into the swapcontext function in glibc, it was found that
the function always call sigprocmask() without checking if there are
changes in the signal mask.
A check was added to the __set_current_blocked() function to avoid taking
the sighand->siglock spinlock if there is no change in the signal mask.
This will prevent unneeded spinlock contention when many threads are
trying to call sigprocmask().
With this patch applied, the spinlock contention in sigprocmask() was
gone.
Link: http://lkml.kernel.org/r/1474979209-11867-1-git-send-email-Waiman.Long@hpe.com
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Stas Sergeev <stsp@list.ru>
Cc: Scott J Norton <scott.norton@hpe.com>
Cc: Douglas Hatch <doug.hatch@hpe.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dd83c161fbcc5d8be637ab159c0de015cbff5ba4 upstream.
wait4(-2147483648, 0x20, 0, 0xdd0000) triggers:
UBSAN: Undefined behaviour in kernel/exit.c:1651:9
The related calltrace is as follows:
negation of -2147483648 cannot be represented in type 'int':
CPU: 9 PID: 16482 Comm: zj Tainted: G B ---- ------- 3.10.0-327.53.58.71.x86_64+ #66
Hardware name: Huawei Technologies Co., Ltd. Tecal RH2285 /BC11BTSA , BIOS CTSAV036 04/27/2011
Call Trace:
dump_stack+0x19/0x1b
ubsan_epilogue+0xd/0x50
__ubsan_handle_negate_overflow+0x109/0x14e
SyS_wait4+0x1cb/0x1e0
system_call_fastpath+0x16/0x1b
Exclude the overflow to avoid the UBSAN warning.
Link: http://lkml.kernel.org/r/1497264618-20212-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: zhongjiang <zhongjiang@huawei.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Xishi Qiu <qiuxishi@huawei.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 d70ef22892ed6c066e51e118b225923c9b74af34 upstream.
sign_extend32 counts the sign bit parameter from 0, not from 1. So we
have to use "11" for 12th bit, not "12".
This mistake means we have not allowed negative op and cmp args since
commit 30d6e0a4190d ("futex: Remove duplicated code and fix undefined
behaviour") till now.
Fixes: 30d6e0a4190d ("futex: Remove duplicated code and fix undefined behaviour")
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Darren Hart <dvhart@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 30d6e0a4190d37740e9447e4e4815f06992dd8c3 upstream.
There is code duplicated over all architecture's headers for
futex_atomic_op_inuser. Namely op decoding, access_ok check for uaddr,
and comparison of the result.
Remove this duplication and leave up to the arches only the needed
assembly which is now in arch_futex_atomic_op_inuser.
This effectively distributes the Will Deacon's arm64 fix for undefined
behaviour reported by UBSAN to all architectures. The fix was done in
commit 5f16a046f8e1 (arm64: futex: Fix undefined behaviour with
FUTEX_OP_OPARG_SHIFT usage). Look there for an example dump.
And as suggested by Thomas, check for negative oparg too, because it was
also reported to cause undefined behaviour report.
Note that s390 removed access_ok check in d12a29703 ("s390/uaccess:
remove pointless access_ok() checks") as access_ok there returns true.
We introduce it back to the helper for the sake of simplicity (it gets
optimized away anyway).
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> [s390]
Acked-by: Chris Metcalf <cmetcalf@mellanox.com> [for tile]
Reviewed-by: Darren Hart (VMware) <dvhart@infradead.org>
Reviewed-by: Will Deacon <will.deacon@arm.com> [core/arm64]
Cc: linux-mips@linux-mips.org
Cc: Rich Felker <dalias@libc.org>
Cc: linux-ia64@vger.kernel.org
Cc: linux-sh@vger.kernel.org
Cc: peterz@infradead.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: sparclinux@vger.kernel.org
Cc: Jonas Bonn <jonas@southpole.se>
Cc: linux-s390@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: linux-hexagon@vger.kernel.org
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: linux-snps-arc@lists.infradead.org
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-xtensa@linux-xtensa.org
Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: openrisc@lists.librecores.org
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Stafford Horne <shorne@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Richard Henderson <rth@twiddle.net>
Cc: Chris Zankel <chris@zankel.net>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-parisc@vger.kernel.org
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: linux-alpha@vger.kernel.org
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: "David S. Miller" <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20170824073105.3901-1-jslaby@suse.cz
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 48fb6f4db940e92cfb16cd878cddd59ea6120d06 upstream.
Commit 65d8fc777f6d ("futex: Remove requirement for lock_page() in
get_futex_key()") removed an unnecessary lock_page() with the
side-effect that page->mapping needed to be treated very carefully.
Two defensive warnings were added in case any assumption was missed and
the first warning assumed a correct application would not alter a
mapping backing a futex key. Since merging, it has not triggered for
any unexpected case but Mark Rutland reported the following bug
triggering due to the first warning.
kernel BUG at kernel/futex.c:679!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 3695 Comm: syz-executor1 Not tainted 4.13.0-rc3-00020-g307fec773ba3 #3
Hardware name: linux,dummy-virt (DT)
task: ffff80001e271780 task.stack: ffff000010908000
PC is at get_futex_key+0x6a4/0xcf0 kernel/futex.c:679
LR is at get_futex_key+0x6a4/0xcf0 kernel/futex.c:679
pc : [<ffff00000821ac14>] lr : [<ffff00000821ac14>] pstate: 80000145
The fact that it's a bug instead of a warning was due to an unrelated
arm64 problem, but the warning itself triggered because the underlying
mapping changed.
This is an application issue but from a kernel perspective it's a
recoverable situation and the warning is unnecessary so this patch
removes the warning. The warning may potentially be triggered with the
following test program from Mark although it may be necessary to adjust
NR_FUTEX_THREADS to be a value smaller than the number of CPUs in the
system.
#include <linux/futex.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <unistd.h>
#define NR_FUTEX_THREADS 16
pthread_t threads[NR_FUTEX_THREADS];
void *mem;
#define MEM_PROT (PROT_READ | PROT_WRITE)
#define MEM_SIZE 65536
static int futex_wrapper(int *uaddr, int op, int val,
const struct timespec *timeout,
int *uaddr2, int val3)
{
syscall(SYS_futex, uaddr, op, val, timeout, uaddr2, val3);
}
void *poll_futex(void *unused)
{
for (;;) {
futex_wrapper(mem, FUTEX_CMP_REQUEUE_PI, 1, NULL, mem + 4, 1);
}
}
int main(int argc, char *argv[])
{
int i;
mem = mmap(NULL, MEM_SIZE, MEM_PROT,
MAP_SHARED | MAP_ANONYMOUS, -1, 0);
printf("Mapping @ %p\n", mem);
printf("Creating futex threads...\n");
for (i = 0; i < NR_FUTEX_THREADS; i++)
pthread_create(&threads[i], NULL, poll_futex, NULL);
printf("Flipping mapping...\n");
for (;;) {
mmap(mem, MEM_SIZE, MEM_PROT,
MAP_FIXED | MAP_SHARED | MAP_ANONYMOUS, -1, 0);
}
return 0;
}
Reported-and-tested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org # 4.7+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 76a658c20efd541a62838d9ff68ce94170d7a549 upstream.
Move the calculations of values after the allocation in case the
allocation fails. This avoids wasting effort in the rare case that it
fails, but more importantly saves us extra logic to release the tty
ref.
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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While testing the deadline scheduler + cgroup setup I hit this
warning.
[ 132.612935] ------------[ cut here ]------------
[ 132.612951] WARNING: CPU: 5 PID: 0 at kernel/softirq.c:150 __local_bh_enable_ip+0x6b/0x80
[ 132.612952] Modules linked in: (a ton of modules...)
[ 132.612981] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 4.7.0-rc2 #2
[ 132.612981] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.2-20150714_191134- 04/01/2014
[ 132.612982] 0000000000000086 45c8bb5effdd088b ffff88013fd43da0 ffffffff813d229e
[ 132.612984] 0000000000000000 0000000000000000 ffff88013fd43de0 ffffffff810a652b
[ 132.612985] 00000096811387b5 0000000000000200 ffff8800bab29d80 ffff880034c54c00
[ 132.612986] Call Trace:
[ 132.612987] <IRQ> [<ffffffff813d229e>] dump_stack+0x63/0x85
[ 132.612994] [<ffffffff810a652b>] __warn+0xcb/0xf0
[ 132.612997] [<ffffffff810e76a0>] ? push_dl_task.part.32+0x170/0x170
[ 132.612999] [<ffffffff810a665d>] warn_slowpath_null+0x1d/0x20
[ 132.613000] [<ffffffff810aba5b>] __local_bh_enable_ip+0x6b/0x80
[ 132.613008] [<ffffffff817d6c8a>] _raw_write_unlock_bh+0x1a/0x20
[ 132.613010] [<ffffffff817d6c9e>] _raw_spin_unlock_bh+0xe/0x10
[ 132.613015] [<ffffffff811388ac>] put_css_set+0x5c/0x60
[ 132.613016] [<ffffffff8113dc7f>] cgroup_free+0x7f/0xa0
[ 132.613017] [<ffffffff810a3912>] __put_task_struct+0x42/0x140
[ 132.613018] [<ffffffff810e776a>] dl_task_timer+0xca/0x250
[ 132.613027] [<ffffffff810e76a0>] ? push_dl_task.part.32+0x170/0x170
[ 132.613030] [<ffffffff8111371e>] __hrtimer_run_queues+0xee/0x270
[ 132.613031] [<ffffffff81113ec8>] hrtimer_interrupt+0xa8/0x190
[ 132.613034] [<ffffffff81051a58>] local_apic_timer_interrupt+0x38/0x60
[ 132.613035] [<ffffffff817d9b0d>] smp_apic_timer_interrupt+0x3d/0x50
[ 132.613037] [<ffffffff817d7c5c>] apic_timer_interrupt+0x8c/0xa0
[ 132.613038] <EOI> [<ffffffff81063466>] ? native_safe_halt+0x6/0x10
[ 132.613043] [<ffffffff81037a4e>] default_idle+0x1e/0xd0
[ 132.613044] [<ffffffff810381cf>] arch_cpu_idle+0xf/0x20
[ 132.613046] [<ffffffff810e8fda>] default_idle_call+0x2a/0x40
[ 132.613047] [<ffffffff810e92d7>] cpu_startup_entry+0x2e7/0x340
[ 132.613048] [<ffffffff81050235>] start_secondary+0x155/0x190
[ 132.613049] ---[ end trace f91934d162ce9977 ]---
The warn is the spin_(lock|unlock)_bh(&css_set_lock) in the interrupt
context. Converting the spin_lock_bh to spin_lock_irq(save) to avoid
this problem - and other problems of sharing a spinlock with an
interrupt.
Change-Id: I5b5d5c79c3f380ac35f58596fc2cebaf6348eb67
Cc: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Juri Lelli <juri.lelli@arm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: cgroups@vger.kernel.org
Cc: stable@vger.kernel.org # 4.5+
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Rik van Riel <riel@redhat.com>
Reviewed-by: "Luis Claudio R. Goncalves" <lgoncalv@redhat.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Acked-by: Zefan Li <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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This reverts commit a47d369cafa270b93c6029eb18d7dbb22cc95645.
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While testing the deadline scheduler + cgroup setup I hit this
warning.
[ 132.612935] ------------[ cut here ]------------
[ 132.612951] WARNING: CPU: 5 PID: 0 at kernel/softirq.c:150 __local_bh_enable_ip+0x6b/0x80
[ 132.612952] Modules linked in: (a ton of modules...)
[ 132.612981] CPU: 5 PID: 0 Comm: swapper/5 Not tainted 4.7.0-rc2 #2
[ 132.612981] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.2-20150714_191134- 04/01/2014
[ 132.612982] 0000000000000086 45c8bb5effdd088b ffff88013fd43da0 ffffffff813d229e
[ 132.612984] 0000000000000000 0000000000000000 ffff88013fd43de0 ffffffff810a652b
[ 132.612985] 00000096811387b5 0000000000000200 ffff8800bab29d80 ffff880034c54c00
[ 132.612986] Call Trace:
[ 132.612987] <IRQ> [<ffffffff813d229e>] dump_stack+0x63/0x85
[ 132.612994] [<ffffffff810a652b>] __warn+0xcb/0xf0
[ 132.612997] [<ffffffff810e76a0>] ? push_dl_task.part.32+0x170/0x170
[ 132.612999] [<ffffffff810a665d>] warn_slowpath_null+0x1d/0x20
[ 132.613000] [<ffffffff810aba5b>] __local_bh_enable_ip+0x6b/0x80
[ 132.613008] [<ffffffff817d6c8a>] _raw_write_unlock_bh+0x1a/0x20
[ 132.613010] [<ffffffff817d6c9e>] _raw_spin_unlock_bh+0xe/0x10
[ 132.613015] [<ffffffff811388ac>] put_css_set+0x5c/0x60
[ 132.613016] [<ffffffff8113dc7f>] cgroup_free+0x7f/0xa0
[ 132.613017] [<ffffffff810a3912>] __put_task_struct+0x42/0x140
[ 132.613018] [<ffffffff810e776a>] dl_task_timer+0xca/0x250
[ 132.613027] [<ffffffff810e76a0>] ? push_dl_task.part.32+0x170/0x170
[ 132.613030] [<ffffffff8111371e>] __hrtimer_run_queues+0xee/0x270
[ 132.613031] [<ffffffff81113ec8>] hrtimer_interrupt+0xa8/0x190
[ 132.613034] [<ffffffff81051a58>] local_apic_timer_interrupt+0x38/0x60
[ 132.613035] [<ffffffff817d9b0d>] smp_apic_timer_interrupt+0x3d/0x50
[ 132.613037] [<ffffffff817d7c5c>] apic_timer_interrupt+0x8c/0xa0
[ 132.613038] <EOI> [<ffffffff81063466>] ? native_safe_halt+0x6/0x10
[ 132.613043] [<ffffffff81037a4e>] default_idle+0x1e/0xd0
[ 132.613044] [<ffffffff810381cf>] arch_cpu_idle+0xf/0x20
[ 132.613046] [<ffffffff810e8fda>] default_idle_call+0x2a/0x40
[ 132.613047] [<ffffffff810e92d7>] cpu_startup_entry+0x2e7/0x340
[ 132.613048] [<ffffffff81050235>] start_secondary+0x155/0x190
[ 132.613049] ---[ end trace f91934d162ce9977 ]---
The warn is the spin_(lock|unlock)_bh(&css_set_lock) in the interrupt
context. Converting the spin_lock_bh to spin_lock_irq(save) to avoid
this problem - and other problems of sharing a spinlock with an
interrupt.
Change-Id: I2064d3c21863e50ee1a70e57f7915d04f2ba0407
Cc: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Juri Lelli <juri.lelli@arm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: cgroups@vger.kernel.org
Cc: stable@vger.kernel.org # 4.5+
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Rik van Riel <riel@redhat.com>
Reviewed-by: "Luis Claudio R. Goncalves" <lgoncalv@redhat.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Acked-by: Zefan Li <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Git-commit: 82d6489d0fed2ec8a8c48c19e8d8a04ac8e5bb26
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[runminw@codeaurora.org: resolve trivial merge conflicts]
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
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There can be a case when current task's audit context
may be NULL or even if it is not NULL, it can have
invalid non-zero value of dummy variable and also
we should audit the signal only if we have non-zero
value of audit_signals.
Issue has been seen during power on/off tests. So
better to add explicit check on these variables.
Change-Id: I2f3e17d933fca8e3b8f4013f44f942f11c68f440
Signed-off-by: Chetan C R <cravin@codeaurora.org>
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* refs/heads/tmp-46155cc
Linux 4.4.132
perf/x86: Fix possible Spectre-v1 indexing for x86_pmu::event_map()
perf/core: Fix possible Spectre-v1 indexing for ->aux_pages[]
perf/x86/msr: Fix possible Spectre-v1 indexing in the MSR driver
perf/x86/cstate: Fix possible Spectre-v1 indexing for pkg_msr
perf/x86: Fix possible Spectre-v1 indexing for hw_perf_event cache_*
tracing/uprobe_event: Fix strncpy corner case
Revert "Bluetooth: btusb: Fix quirk for Atheros 1525/QCA6174"
atm: zatm: Fix potential Spectre v1
net: atm: Fix potential Spectre v1
can: kvaser_usb: Increase correct stats counter in kvaser_usb_rx_can_msg()
tracing: Fix regex_match_front() to not over compare the test string
libata: Apply NOLPM quirk for SanDisk SD7UB3Q*G1001 SSDs
rfkill: gpio: fix memory leak in probe error path
xfrm_user: fix return value from xfrm_user_rcv_msg
f2fs: fix a dead loop in f2fs_fiemap()
bdi: Fix oops in wb_workfn()
tcp: fix TCP_REPAIR_QUEUE bound checking
perf: Remove superfluous allocation error check
soreuseport: initialise timewait reuseport field
dccp: initialize ireq->ir_mark
net: fix uninit-value in __hw_addr_add_ex()
net: initialize skb->peeked when cloning
net: fix rtnh_ok()
netlink: fix uninit-value in netlink_sendmsg
crypto: af_alg - fix possible uninit-value in alg_bind()
ipvs: fix rtnl_lock lockups caused by start_sync_thread
usb: musb: host: fix potential NULL pointer dereference
USB: serial: option: adding support for ublox R410M
USB: serial: option: reimplement interface masking
USB: Accept bulk endpoints with 1024-byte maxpacket
USB: serial: visor: handle potential invalid device configuration
test_firmware: fix setting old custom fw path back on exit, second try
drm/vmwgfx: Fix a buffer object leak
IB/mlx5: Use unlimited rate when static rate is not supported
NET: usb: qmi_wwan: add support for ublox R410M PID 0x90b2
RDMA/mlx5: Protect from shift operand overflow
RDMA/ucma: Allow resolving address w/o specifying source address
xfs: prevent creating negative-sized file via INSERT_RANGE
Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro
Input: leds - fix out of bound access
tracepoint: Do not warn on ENOMEM
ALSA: aloop: Add missing cable lock to ctl API callbacks
ALSA: aloop: Mark paused device as inactive
ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger()
ALSA: pcm: Check PCM state at xfern compat ioctl
USB: serial: option: Add support for Quectel EP06
gpmi-nand: Handle ECC Errors in erased pages
ath10k: rebuild crypto header in rx data frames
ath10k: fix rfc1042 header retrieval in QCA4019 with eth decap mode
mac80211: Add RX flag to indicate ICV stripped
mac80211: allow same PN for AMSDU sub-frames
mac80211: allow not sending MIC up from driver for HW crypto
percpu: include linux/sched.h for cond_resched()
KVM: s390: Enable all facility bits that are known good for passthrough
bpf: map_get_next_key to return first key on NULL
perf/core: Fix the perf_cpu_time_max_percent check
goldfish: pipe: ANDROID: mark local functions static
Revert "goldfish: pipe: ANDROID: Allocate memory with GFP_KERNEL."
UPSTREAM: ANDROID: binder: prevent transactions into own process.
goldfish: pipe: ANDROID: Add DMA support
UPSTREAM: f2fs: clear PageError on writepage - part 2
UPSTREAM: f2fs: avoid fsync() failure caused by EAGAIN in writepage()
ANDROID: build.config: enforce trace_printk check
ANDROID: x86_64_cuttlefish_defconfig: Disable KPTI
UPSTREAM: mac80211: ibss: Fix channel type enum in ieee80211_sta_join_ibss()
UPSTREAM: mac80211: Fix clang warning about constant operand in logical operation
UPSTREAM: nl80211: Fix enum type of variable in nl80211_put_sta_rate()
UPSTREAM: sysfs: remove signedness from sysfs_get_dirent
UPSTREAM: tracing: Use cpumask_available() to check if cpumask variable may be used
BACKPORT: clocksource: Use GENMASK_ULL in definition of CLOCKSOURCE_MASK
UPSTREAM: netpoll: Fix device name check in netpoll_setup()
FROMLIST: staging: Fix sparse warnings in vsoc driver.
FROMLIST: staging: vsoc: Fix a i386-randconfig warning.
FROMLIST: staging: vsoc: Create wc kernel mapping for region shm.
Revert "goldfish: pipe: ANDROID: remove a redundant target"
goldfish: pipe: ANDROID: Replace writel with gf_write_ptr
goldfish: pipe: ANDROID: Use dev_ logging instead of pr_
goldfish: pipe: ANDROID: fix checkpatch warnings
goldfish: pipe: ANDROID: Update module license
Conflicts:
drivers/net/wireless/ath/ath10k/core.c
drivers/net/wireless/ath/ath10k/core.h
drivers/net/wireless/ath/ath10k/htt_rx.c
Change-Id: If2ede1dea6a07b3fd498724e83071fd547170e1c
[spathi@codeaurora.org: resolved compilation errors in ath10k
by rebuilding crypto header in rx data frames]
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.132
perf/core: Fix the perf_cpu_time_max_percent check
bpf: map_get_next_key to return first key on NULL
KVM: s390: Enable all facility bits that are known good for passthrough
percpu: include linux/sched.h for cond_resched()
mac80211: allow not sending MIC up from driver for HW crypto
mac80211: allow same PN for AMSDU sub-frames
mac80211: Add RX flag to indicate ICV stripped
ath10k: fix rfc1042 header retrieval in QCA4019 with eth decap mode
ath10k: rebuild crypto header in rx data frames
gpmi-nand: Handle ECC Errors in erased pages
USB: serial: option: Add support for Quectel EP06
ALSA: pcm: Check PCM state at xfern compat ioctl
ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger()
ALSA: aloop: Mark paused device as inactive
ALSA: aloop: Add missing cable lock to ctl API callbacks
tracepoint: Do not warn on ENOMEM
Input: leds - fix out of bound access
Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro
xfs: prevent creating negative-sized file via INSERT_RANGE
RDMA/ucma: Allow resolving address w/o specifying source address
RDMA/mlx5: Protect from shift operand overflow
NET: usb: qmi_wwan: add support for ublox R410M PID 0x90b2
IB/mlx5: Use unlimited rate when static rate is not supported
drm/vmwgfx: Fix a buffer object leak
test_firmware: fix setting old custom fw path back on exit, second try
USB: serial: visor: handle potential invalid device configuration
USB: Accept bulk endpoints with 1024-byte maxpacket
USB: serial: option: reimplement interface masking
USB: serial: option: adding support for ublox R410M
usb: musb: host: fix potential NULL pointer dereference
ipvs: fix rtnl_lock lockups caused by start_sync_thread
crypto: af_alg - fix possible uninit-value in alg_bind()
netlink: fix uninit-value in netlink_sendmsg
net: fix rtnh_ok()
net: initialize skb->peeked when cloning
net: fix uninit-value in __hw_addr_add_ex()
dccp: initialize ireq->ir_mark
soreuseport: initialise timewait reuseport field
perf: Remove superfluous allocation error check
tcp: fix TCP_REPAIR_QUEUE bound checking
bdi: Fix oops in wb_workfn()
f2fs: fix a dead loop in f2fs_fiemap()
xfrm_user: fix return value from xfrm_user_rcv_msg
rfkill: gpio: fix memory leak in probe error path
libata: Apply NOLPM quirk for SanDisk SD7UB3Q*G1001 SSDs
tracing: Fix regex_match_front() to not over compare the test string
can: kvaser_usb: Increase correct stats counter in kvaser_usb_rx_can_msg()
net: atm: Fix potential Spectre v1
atm: zatm: Fix potential Spectre v1
Revert "Bluetooth: btusb: Fix quirk for Atheros 1525/QCA6174"
tracing/uprobe_event: Fix strncpy corner case
perf/x86: Fix possible Spectre-v1 indexing for hw_perf_event cache_*
perf/x86/cstate: Fix possible Spectre-v1 indexing for pkg_msr
perf/x86/msr: Fix possible Spectre-v1 indexing in the MSR driver
perf/core: Fix possible Spectre-v1 indexing for ->aux_pages[]
perf/x86: Fix possible Spectre-v1 indexing for x86_pmu::event_map()
Linux 4.4.132
Change-Id: I66c21e374dff5a5735f1c5958021612387c635bf
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 4411ec1d1993e8dbff2898390e3fed280d88e446 upstream.
> kernel/events/ring_buffer.c:871 perf_mmap_to_page() warn: potential spectre issue 'rb->aux_pages'
Userspace controls @pgoff through the fault address. Sanitize the
array index before doing the array dereference.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: <stable@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 50268a3d266ecfdd6c5873d62b2758d9732fc598 upstream.
Fix string fetch function to terminate with NUL.
It is OK to drop the rest of string.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: security@kernel.org
Cc: 范龙飞 <long7573@126.com>
Fixes: 5baaa59ef09e ("tracing/probes: Implement 'memory' fetch method for uprobes")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dc432c3d7f9bceb3de6f5b44fb9c657c9810ed6d upstream.
The regex match function regex_match_front() in the tracing filter logic,
was fixed to test just the pattern length from testing the entire test
string. That is, it went from strncmp(str, r->pattern, len) to
strcmp(str, r->pattern, r->len).
The issue is that str is not guaranteed to be nul terminated, and if r->len
is greater than the length of str, it can access more memory than is
allocated.
The solution is to add a simple test if (len < r->len) return 0.
Cc: stable@vger.kernel.org
Fixes: 285caad415f45 ("tracing/filters: Fix MATCH_FRONT_ONLY filter matching")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit bfb3d7b8b906b66551424d7636182126e1d134c8 upstream.
If the get_callchain_buffers fails to allocate the buffer it will
decrease the nr_callchain_events right away.
There's no point of checking the allocation error for
nr_callchain_events > 1. Removing that check.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: syzkaller-bugs@googlegroups.com
Cc: x86@kernel.org
Link: http://lkml.kernel.org/r/20180415092352.12403-3-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d66a270be3310d7aa132fec0cea77d3d32a0ff75 upstream.
Tracepoint should only warn when a kernel API user does not respect the
required preconditions (e.g. same tracepoint enabled twice, or called
to remove a tracepoint that does not exist).
Silence warning in out-of-memory conditions, given that the error is
returned to the caller.
This ensures that out-of-memory error-injection testing does not trigger
warnings in tracepoint.c, which were seen by syzbot.
Link: https://lkml.kernel.org/r/001a114465e241a8720567419a72@google.com
Link: https://lkml.kernel.org/r/001a1140e0de15fc910567464190@google.com
Link: http://lkml.kernel.org/r/20180315124424.32319-1-mathieu.desnoyers@efficios.com
CC: Peter Zijlstra <peterz@infradead.org>
CC: Jiri Olsa <jolsa@redhat.com>
CC: Arnaldo Carvalho de Melo <acme@kernel.org>
CC: Alexander Shishkin <alexander.shishkin@linux.intel.com>
CC: Namhyung Kim <namhyung@kernel.org>
CC: stable@vger.kernel.org
Fixes: de7b2973903c6 ("tracepoint: Use struct pointer instead of name hash for reg/unreg tracepoints")
Reported-by: syzbot+9c0d616860575a73166a@syzkaller.appspotmail.com
Reported-by: syzbot+4e9ae7fa46233396f64d@syzkaller.appspotmail.com
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8fe45924387be6b5c1be59a7eb330790c61d5d10 upstream.
When iterating through a map, we need to find a key that does not exist
in the map so map_get_next_key will give us the first key of the map.
This often requires a lot of guessing in production systems.
This patch makes map_get_next_key return the first key when the key
pointer in the parameter is NULL.
Signed-off-by: Teng Qin <qinteng@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Chenbo Feng <fengc@google.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1572e45a924f254d9570093abde46430c3172e3d upstream.
Use "proc_dointvec_minmax" instead of "proc_dointvec" to check the input
value from user-space.
If not, we can set a big value and some vars will overflow like
"sysctl_perf_event_sample_rate" which will cause a lot of unexpected
problems.
Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: <acme@kernel.org>
Cc: <alexander.shishkin@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: http://lkml.kernel.org/r/1487829879-56237-1-git-send-email-tanxiaojun@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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be used
This fixes the following clang warning:
kernel/trace/trace.c:3231:12: warning: address of array 'iter->started'
will always evaluate to 'true' [-Wpointer-bool-conversion]
if (iter->started)
Link: http://lkml.kernel.org/r/20170421234110.117075-1-mka@chromium.org
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
(cherry picked from commit 4dbbe2d8e95c351157f292ece067f985c30c7b53)
Bug: 78886293
Change-Id: Ib17a68ce55ca80b04bdea2d232f8ca9f88b1b8a3
Signed-off-by: Alistair Strachan <astrachan@google.com>
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