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This reverts commit 1aec4211204d9463d1fd209eb50453de16254599.
Steven Rostedt reports that it causes a hang at bootup and bisected it
to this commit.
The troigger is apparently a module alias for "parport_lowlevel" that
points to "parport_pc", which causes a hang with
modprobe -q -- parport_lowlevel
blocking forever with a backtrace like this:
wait_for_completion_killable+0x1c/0x28
call_usermodehelper_exec+0xa7/0x108
__request_module+0x351/0x3d8
get_lowlevel_driver+0x28/0x41 [parport]
__parport_register_driver+0x39/0x1f4 [parport]
daisy_drv_init+0x31/0x4f [parport]
parport_bus_init+0x5d/0x7b [parport]
parport_default_proc_register+0x26/0x1000 [parport]
do_one_initcall+0xc2/0x1e0
do_init_module+0x50/0x1d4
load_module+0x1c2e/0x21b3
sys_init_module+0xef/0x117
Supid says:
"Due to the new device model daisy driver will now try to find the
parallel ports while trying to register its driver so that it can bind
with them. Now, since daisy driver is loaded while parport bus is
initialising the list of parport is still empty and it tries to load
the lowlevel driver, which has an alias set to parport_pc, now causes
a deadlock"
But I don't think the daisy driver should be loaded by the parport
initialization in the first place, so let's revert the whole change.
If the daisy driver can just initialize separately on its own (like a
driver should), instead of hooking into the parport init sequence
directly, this issue probably would go away.
Reported-and-bisected-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reported-by: Michal Kubecek <mkubecek@suse.cz>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Enabling CQE support on Tegra186 Jetson TX2 has introduced a regression
that is causing accesses to the file-system on the eMMC to fail. Errors
such as the following have been observed ...
mmc2: running CQE recovery
mmc2: mmc_select_hs400 failed, error -110
print_req_error: I/O error, dev mmcblk2, sector 8 flags 80700
mmc2: cqhci: CQE failed to exit halt state
For now disable CQE support for Tegra186 until this issue is resolved.
Fixes: dfd3cb6feb73 arm64: tegra: Add CQE Support for SDMMC4
Signed-off-by: Jonathan Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.1:
- Correct phy mode setting of imx6dl-yapp4 board to fix a problem
caused by commit 5ecdd77c61c8 ("net: dsa: qca8k: disable delay
for RGMII mode").
- Add a missing of_node_put call to fix leaked reference detected by
coccinelle in imx51 machine code.
- Fix imx6q cpuidle driver bug which causes that CPU might not wake up
at expected time.
- Increase reset duration of Ethernet phy Micrel KSZ9031RNX to fix
transmission timeouts error seen on imx6qdl-phytec-pfla02 board.
- Correct SPDX License Identifier style for imx6ull-pinfunc-snvs.h.
- Fix 'bus-witdh' typos in imx6qdl-icore-rqs.dtsi.
- Correct pseudo PHY address of switch device for imx6dl-yapp4 board.
- Update PWM driver options in imx defconfig files due to the change
on driver part.
* tag 'imx-fixes-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx_v4_v5_defconfig: enable PWM driver
ARM: imx_v6_v7_defconfig: continue compiling the pwm driver
ARM: dts: imx6dl-yapp4: Use correct pseudo PHY address for the switch
ARM: dts: imx6qdl: Fix typo in imx6qdl-icore-rqs.dtsi
ARM: dts: imx6ull: Use the correct style for SPDX License Identifier
ARM: dts: pfla02: increase phy reset duration
ARM: imx6q: cpuidle: fix bug that CPU might not wake up at expected time
ARM: imx51: fix a leaked reference by adding missing of_node_put
ARM: dts: imx6dl-yapp4: Use rgmii-id phy mode on the cpu port
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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM/ARM64-based SoCs fixes for 5.1,
please pull the following:
- Eric provides fixes for the bcm2835-pm driver: added missing depends
on MFD_CORE for the ARM64 definition of ARCH_BCM2835, fixing error
paths on initialization and fixing the PM_IMAGE_PERI power domain
* tag 'arm-soc/for-5.1/soc-fixes' of https://github.com/Broadcom/stblinux:
arm64: bcm2835: Add missing dependency on MFD_CORE.
soc: bcm: bcm2835-pm: Fix error paths of initialization.
soc: bcm: bcm2835-pm: Fix PM_IMAGE_PERI power domain support.
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https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.1, please pull the following:
- Helen fixes the HDMI hot-pug detect GPIO polarity for the Rasperry Pi
model B revision 2
* tag 'arm-soc/for-5.1/devicetree-fixes' of https://github.com/Broadcom/stblinux:
ARM: dts: bcm283x: Fix hdmi hpd gpio pull
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The SPI DT bindings are for historical reasons a pitfall,
the ability to flag a GPIO line as active high/low with
the second cell flags was introduced later so the SPI
subsystem will only accept the bool flag spi-cs-high
to indicate that the line is active high.
It worked by mistake, but the mistake was corrected
in another commit.
The comment in the DTS file was also misleading: this
CS is indeed active high.
Fixes: cffbb02dafa3 ("ARM: dts: nomadik: Augment NHK15 panel setting")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into arm/fixes
Renesas ARM Based SoC Fixes for v5.1
R-Car Gen3 E3 (r8a77990) and RZ/G2E (r8a774c0) SoCs:
* Correct SCIF5 DMA channels
* tag 'renesas-fixes-for-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
arm64: dts: renesas: r8a774c0: Fix SCIF5 DMA channels
arm64: dts: renesas: r8a77990: Fix SCIF5 DMA channels
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allnoconfig build with just ARCH_DAVINCI enabled
fails because drivers/clk/davinci/* depends on
REGMAP being enabled.
Fix it by selecting REGMAP_MMIO when building in
DaVinci support.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Andreas reported that he was seeing the tdbtorture test fail in some
cases with -EDEADLCK when it wasn't before. Some debugging showed that
deadlock detection was sometimes discovering the caller's lock request
itself in a dependency chain.
While we remove the request from the blocked_lock_hash prior to
reattempting to acquire it, any locks that are blocked on that request
will still be present in the hash and will still have their fl_blocker
pointer set to the current request.
This causes posix_locks_deadlock to find a deadlock dependency chain
when it shouldn't, as a lock request cannot block itself.
We are going to end up waking all of those blocked locks anyway when we
go to reinsert the request back into the blocked_lock_hash, so just do
it prior to checking for deadlocks. This ensures that any lock blocked
on the current request will no longer be part of any blocked request
chain.
URL: https://bugzilla.kernel.org/show_bug.cgi?id=202975
Fixes: 5946c4319ebb ("fs/locks: allow a lock request to block other requests.")
Cc: stable@vger.kernel.org
Reported-by: Andreas Schneider <asn@redhat.com>
Signed-off-by: Neil Brown <neilb@suse.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
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Alexei Starovoitov says:
====================
pull-request: bpf 2019-03-24
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) libbpf verision fix up from Daniel.
2) fix liveness propagation from Jakub.
3) fix verbose print of refcounted regs from Martin.
4) fix for large map allocations from Martynas.
5) fix use after free in sanitize_ptr_alu from Xu.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann says:
====================
First one is fixing version in Makefile and shared object and
second one clarifies bump in version. Thanks!
v1 -> v2:
- Fix up soname, thanks Stanislav!
====================
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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The current documentation suggests that we would need to bump the
libbpf version on every change. Lets clarify this a bit more and
reflect what we do today in practice, that is, bumping it once per
development cycle.
Fixes: 76d1b894c515 ("libbpf: Document API and ABI conventions")
Reported-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Even though libbpf's versioning script for the linker (libbpf.map)
is pointing to 0.0.2, the BPF_EXTRAVERSION in the Makefile has
not been updated along with it and is therefore still on 0.0.1.
While fixing up, I also noticed that the generated shared object
versioning information is missing, typical convention is to have
a linker name (libbpf.so), soname (libbpf.so.0) and real name
(libbpf.so.0.0.2) for library management. This is based upon the
LIBBPF_VERSION as well.
The build will then produce the following bpf libraries:
# ll libbpf*
libbpf.a
libbpf.so -> libbpf.so.0.0.2
libbpf.so.0 -> libbpf.so.0.0.2
libbpf.so.0.0.2
# readelf -d libbpf.so.0.0.2 | grep SONAME
0x000000000000000e (SONAME) Library soname: [libbpf.so.0]
And install them accordingly:
# rm -rf /tmp/bld; mkdir /tmp/bld; make -j$(nproc) O=/tmp/bld install
Auto-detecting system features:
... libelf: [ on ]
... bpf: [ on ]
CC /tmp/bld/libbpf.o
CC /tmp/bld/bpf.o
CC /tmp/bld/nlattr.o
CC /tmp/bld/btf.o
CC /tmp/bld/libbpf_errno.o
CC /tmp/bld/str_error.o
CC /tmp/bld/netlink.o
CC /tmp/bld/bpf_prog_linfo.o
CC /tmp/bld/libbpf_probes.o
CC /tmp/bld/xsk.o
LD /tmp/bld/libbpf-in.o
LINK /tmp/bld/libbpf.a
LINK /tmp/bld/libbpf.so.0.0.2
LINK /tmp/bld/test_libbpf
INSTALL /tmp/bld/libbpf.a
INSTALL /tmp/bld/libbpf.so.0.0.2
# ll /usr/local/lib64/libbpf.*
/usr/local/lib64/libbpf.a
/usr/local/lib64/libbpf.so -> libbpf.so.0.0.2
/usr/local/lib64/libbpf.so.0 -> libbpf.so.0.0.2
/usr/local/lib64/libbpf.so.0.0.2
Fixes: 1bf4b05810fe ("tools: bpftool: add probes for eBPF program types")
Fixes: 1b76c13e4b36 ("bpf tools: Introduce 'bpf' library and add bpf feature check")
Reported-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Miscellaneous ext4 bug fixes for 5.1"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: prohibit fstrim in norecovery mode
ext4: cleanup bh release code in ext4_ind_remove_space()
ext4: brelse all indirect buffer in ext4_ind_remove_space()
ext4: report real fs size after failed resize
ext4: add missing brelse() in add_new_gdb_meta_bg()
ext4: remove useless ext4_pin_inode()
ext4: avoid panic during forced reboot
ext4: fix data corruption caused by unaligned direct AIO
ext4: fix NULL pointer dereference while journal is aborted
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Thomas Gleixner:
"Third more careful attempt for this set of fixes:
- Prevent a 32bit math overflow in the cpufreq code
- Fix a buffer overflow when scanning the cgroup2 cpu.max property
- A set of fixes for the NOHZ scheduler logic to prevent waking up
CPUs even if the capacity of the busy CPUs is sufficient along with
other tweaks optimizing the behaviour for asymmetric systems
(big/little)"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Skip LLC NOHZ logic for asymmetric systems
sched/fair: Tune down misfit NOHZ kicks
sched/fair: Comment some nohz_balancer_kick() kick conditions
sched/core: Fix buffer overflow in cgroup2 property cpu.max
sched/cpufreq: Fix 32-bit math overflow
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Thomas Gleixner:
"A larger set of perf updates.
Not all of them are strictly fixes, but that's solely the tip
maintainers fault as they let the timely -rc1 pull request fall
through the cracks for various reasons including travel. So I'm
sending this nevertheless because rebasing and distangling fixes and
updates would be a mess and risky as well. As of tomorrow, a strict
fixes separation is happening again. Sorry for the slip-up.
Kernel:
- Handle RECORD_MMAP vs. RECORD_MMAP2 correctly so different
consumers of the mmap event get what they requested.
Tools:
- A larger set of updates to perf record/report/scripts vs. time
stamp handling
- More Python3 fixups
- A pile of memory leak plumbing
- perf BPF improvements and fixes
- Finalize the perf.data directory storage"
[ Note: the kernel part is strictly a fix, the updates are purely to
tooling - Linus ]
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (75 commits)
perf bpf: Show more BPF program info in print_bpf_prog_info()
perf bpf: Extract logic to create program names from perf_event__synthesize_one_bpf_prog()
perf tools: Save bpf_prog_info and BTF of new BPF programs
perf evlist: Introduce side band thread
perf annotate: Enable annotation of BPF programs
perf build: Check what binutils's 'disassembler()' signature to use
perf bpf: Process PERF_BPF_EVENT_PROG_LOAD for annotation
perf symbols: Introduce DSO_BINARY_TYPE__BPF_PROG_INFO
perf feature detection: Add -lopcodes to feature-libbfd
perf top: Add option --no-bpf-event
perf bpf: Save BTF information as headers to perf.data
perf bpf: Save BTF in a rbtree in perf_env
perf bpf: Save bpf_prog_info information as headers to perf.data
perf bpf: Save bpf_prog_info in a rbtree in perf_env
perf bpf: Make synthesize_bpf_events() receive perf_session pointer instead of perf_tool
perf bpf: Synthesize bpf events with bpf_program__get_prog_info_linear()
bpftool: use bpf_program__get_prog_info_linear() in prog.c:do_dump()
tools lib bpf: Introduce bpf_program__get_prog_info_linear()
perf record: Replace option --bpf-event with --no-bpf-event
perf tests: Fix a memory leak in test__perf_evsel__tp_sched_test()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"A set of x86 fixes:
- Prevent potential NULL pointer dereferences in the HPET and HyperV
code
- Exclude the GART aperture from /proc/kcore to prevent kernel
crashes on access
- Use the correct macros for Cyrix I/O on Geode processors
- Remove yet another kernel address printk leak
- Announce microcode reload completion as requested by quite some
people. Microcode loading has become popular recently.
- Some 'Make Clang' happy fixlets
- A few cleanups for recently added code"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/gart: Exclude GART aperture from kcore
x86/hw_breakpoints: Make default case in hw_breakpoint_arch_parse() return an error
x86/mm/pti: Make local symbols static
x86/cpu/cyrix: Remove {get,set}Cx86_old macros used for Cyrix processors
x86/cpu/cyrix: Use correct macros for Cyrix calls on Geode processors
x86/microcode: Announce reload operation's completion
x86/hyperv: Prevent potential NULL pointer dereference
x86/hpet: Prevent potential NULL pointer dereference
x86/lib: Fix indentation issue, remove extra tab
x86/boot: Restrict header scope to make Clang happy
x86/mm: Don't leak kernel addresses
x86/cpufeature: Fix various quality problems in the <asm/cpu_device_hd.h> header
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"A set of small fixes plus the removal of stale board support code:
- Remove the board support code from the clpx711x clocksource driver.
This change had fallen through the cracks and I'm sending it now
rather than dealing with people who want to improve that stale code
for 3 month.
- Use the proper clocksource mask on RICSV
- Make local scope functions and variables static"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/clps711x: Remove board support
clocksource/drivers/riscv: Fix clocksource mask
clocksource/drivers/mips-gic-timer: Make gic_compare_irqaction static
clocksource/drivers/timer-ti-dm: Make omap_dm_timer_set_load_start() static
clocksource/drivers/tcb_clksrc: Make tc_clksrc_suspend/resume() static
clocksource/drivers/clps711x: Make clps711x_clksrc_init() static
time/jiffies: Make refined_jiffies static
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fixes from Thomas Gleixner:
"Two small fixes:
- Cure a recently introduces error path hickup which tries to
unregister a not registered lockdep key in te workqueue code
- Prevent unaligned cmpxchg() crashes in the robust list handling
code by sanity checking the user space supplied futex pointer"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Ensure that futex address is aligned in handle_futex_death()
workqueue: Only unregister a registered lockdep key
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of fixes for the interrupt subsystem:
- Remove secondary GIC support on systems w/o device-tree support
- A set of small fixlets in various irqchip drivers
- static and fall-through annotations
- Kernel doc and typo fixes"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Mark expected switch case fall-through
genirq/devres: Remove excess parameter from kernel doc
irqchip/irq-mvebu-sei: Make mvebu_sei_ap806_caps static
irqchip/mbigen: Don't clear eventid when freeing an MSI
irqchip/stm32: Don't set rising configuration registers at init
irqchip/stm32: Don't clear rising/falling config registers at init
dt-bindings: irqchip: renesas-irqc: Document r8a774c0 support
irqchip/mmp: Make mmp_irq_domain_ops static
irqchip/brcmstb-l2: Make two init functions static
genirq: Fix typo in comment of IRQD_MOVE_PCNTXT
irqchip/gic-v3-its: Fix comparison logic in lpi_range_cmp
irqchip/gic: Drop support for secondary GIC in non-DT systems
irqchip/imx-irqsteer: Fix of_property_read_u32() error handling
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Thomas Gleixner:
"Two small fixes:
- Move the large objtool_file struct off the stack so objtool works
in setups with a tight stack limit.
- Make a few variables static in the watchdog core code"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
watchdog/core: Make variables static
objtool: Move objtool_file struct off the stack
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management fixes from Zhang Rui:
- Fix a wrong __percpu structure declaration in intel_powerclamp driver
(Luc Van Oostenryck)
- Fix truncated name of the idle injection kthreads created by
intel_powerclamp driver (Zhang Rui)
- Fix the missing UUID supports in int3400 thermal driver (Matthew
Garrett)
- Fix a crash when accessing the debugfs of bcm2835 SoC thermal driver
(Phil Elwell)
- A couple of trivial fixes/cleanups in some SoC thermal drivers
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux:
thermal/intel_powerclamp: fix truncated kthread name
thermal: mtk: Allocate enough space for mtk_thermal.
thermal/int340x_thermal: fix mode setting
thermal/int340x_thermal: Add additional UUIDs
thermal: cpu_cooling: Remove unused cur_freq variable
thermal: bcm2835: Fix crash in bcm2835_thermal_debugfs
thermal: samsung: Fix incorrect check after code merge
thermal/intel_powerclamp: fix __percpu declaration of worker_data
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Pull smb3 fixes from Steve French:
- two fixes for stable for guest mount problems with smb3.1.1
- two fixes for crediting (SMB3 flow control) on resent requests
- a byte range lock leak fix
- two fixes for incorrect rc mappings
* tag '5.1-rc1-cifs-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update internal module version number
SMB3: Fix SMB3.1.1 guest mounts to Samba
cifs: Fix slab-out-of-bounds when tracing SMB tcon
cifs: allow guest mounts to work for smb3.11
fix incorrect error code mapping for OBJECTID_NOT_FOUND
cifs: fix that return -EINVAL when do dedupe operation
CIFS: Fix an issue with re-sending rdata when transport returning -EAGAIN
CIFS: Fix an issue with re-sending wdata when transport returning -EAGAIN
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Pull auxdisplay updates from Miguel Ojeda:
"A few fixes and improvements for auxdisplay:
- Series to fix a memory leak in hd44780 while introducing
charlcd_free(). From Andy Shevchenko
- Series to clean up the Kconfig menus and a couple of improvements
for charlcd. From Mans Rullgard"
* tag 'auxdisplay-for-linus-v5.1-rc2' of git://github.com/ojeda/linux:
auxdisplay: charlcd: make backlight initial state configurable
auxdisplay: charlcd: simplify init message display
auxdisplay: deconfuse configuration
auxdisplay: hd44780: Convert to use charlcd_free()
auxdisplay: panel: Convert to use charlcd_free()
auxdisplay: charlcd: Introduce charlcd_free() helper
auxdisplay: charlcd: Move to_priv() to charlcd namespace
auxdisplay: hd44780: Fix memory leak on ->remove()
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Six fixes to four drivers and two core fixes.
One core fix simply corrects a missed destroy_rcu_head() but the other
is hopefully the end of an ongoing effort to make suspend/resume play
nicely with scsi quiesce"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ibmvscsi: Fix empty event pool access during host removal
scsi: ibmvscsi: Protect ibmvscsi_head from concurrent modificaiton
scsi: hisi_sas: Add softreset in hisi_sas_I_T_nexus_reset()
scsi: qla2xxx: Fix NULL pointer crash due to stale CPUID
scsi: qla2xxx: Fix FC-AL connection target discovery
scsi: core: Avoid that a kernel warning appears during system resume
scsi: core: Also call destroy_rcu_head() for passthrough requests
scsi: iscsi: flush running unbind operations when removing a session
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Since board support for the CLPS711X platform was removed,
remove the board support from the clps711x-timer driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lkml.kernel.org/r/20181220111626.17140-1-shc_work@mail.ru
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clang produces a false-positive warning as it fails to notice
that "lost = true" implies that "ret" is initialized:
net/rxrpc/output.c:402:6: error: variable 'ret' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized]
if (lost)
^~~~
net/rxrpc/output.c:437:6: note: uninitialized use occurs here
if (ret >= 0) {
^~~
net/rxrpc/output.c:402:2: note: remove the 'if' if its condition is always false
if (lost)
^~~~~~~~~
net/rxrpc/output.c:339:9: note: initialize the variable 'ret' to silence this warning
int ret, opt;
^
= 0
Rearrange the code to make that more obvious and avoid the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
When checking the code with clang -Wsometimes-uninitialized we get the
following warning:
if (!tipc_link_is_establishing(l)) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/tipc/node.c:847:46: note: uninitialized use occurs here
tipc_bearer_xmit(n->net, bearer_id, &xmitq, maddr);
net/tipc/node.c:831:2: note: remove the 'if' if its condition is always
true
if (!tipc_link_is_establishing(l)) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/tipc/node.c:821:31: note: initialize the variable 'maddr' to silence
this warning
struct tipc_media_addr *maddr;
We fix this by initializing 'maddr' to NULL. For the matter of clarity,
we also test if 'xmitq' is non-empty before we use it and 'maddr'
further down in the function. It will never happen that 'xmitq' is non-
empty at the same time as 'maddr' is NULL, so this is a sufficient test.
Fixes: 598411d70f85 ("tipc: make resetting of links non-atomic")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
A new mirred action is created by the tcf_mirred_init function. This
contains a list head struct which is inserted into a global list on
successful creation of a new action. However, after a creation, it is
still possible to error out and call the tcf_idr_release function. This,
in turn, calls the act_mirr cleanup function via __tcf_idr_release and
__tcf_action_put. This cleanup function tries to delete the list entry
which is as yet uninitialised, leading to a NULL pointer exception.
Fix this by initialising the list entry on creation of a new action.
Bug report:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
PGD 8000000840c73067 P4D 8000000840c73067 PUD 858dcc067 PMD 0
Oops: 0002 [#1] SMP PTI
CPU: 32 PID: 5636 Comm: handler194 Tainted: G OE 5.0.0+ #186
Hardware name: Dell Inc. PowerEdge R730/0599V5, BIOS 1.3.6 06/03/2015
RIP: 0010:tcf_mirred_release+0x42/0xa7 [act_mirred]
Code: f0 90 39 c0 e8 52 04 57 c8 48 c7 c7 b8 80 39 c0 e8 94 fa d4 c7 48 8b 93 d0 00 00 00 48 8b 83 d8 00 00 00 48 c7 c7 f0 90 39 c0 <48> 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 48 89 83 d0 00
RSP: 0018:ffffac4aa059f688 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff9dcd1b214d00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff9dcd1fa165f8 RDI: ffffffffc03990f0
RBP: ffff9dccf9c7af80 R08: 0000000000000a3b R09: 0000000000000000
R10: ffff9dccfa11f420 R11: 0000000000000000 R12: 0000000000000001
R13: ffff9dcd16b433c0 R14: ffff9dcd1b214d80 R15: 0000000000000000
FS: 00007f441bfff700(0000) GS:ffff9dcd1fa00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 0000000839e64004 CR4: 00000000001606e0
Call Trace:
tcf_action_cleanup+0x59/0xca
__tcf_action_put+0x54/0x6b
__tcf_idr_release.cold.33+0x9/0x12
tcf_mirred_init.cold.20+0x22e/0x3b0 [act_mirred]
tcf_action_init_1+0x3d0/0x4c0
tcf_action_init+0x9c/0x130
tcf_exts_validate+0xab/0xc0
fl_change+0x1ca/0x982 [cls_flower]
tc_new_tfilter+0x647/0x8d0
? load_balance+0x14b/0x9e0
rtnetlink_rcv_msg+0xe3/0x370
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x34/0x70
? _cond_resched+0x15/0x30
? __kmalloc_node_track_caller+0x1d4/0x2b0
? rtnl_calcit.isra.31+0xf0/0xf0
netlink_rcv_skb+0x49/0x110
netlink_unicast+0x16f/0x210
netlink_sendmsg+0x1df/0x390
sock_sendmsg+0x36/0x40
___sys_sendmsg+0x27b/0x2c0
? futex_wake+0x80/0x140
? do_futex+0x2b9/0xac0
? ep_scan_ready_list.constprop.22+0x1f2/0x210
? ep_poll+0x7a/0x430
__sys_sendmsg+0x47/0x80
do_syscall_64+0x55/0x100
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: 4e232818bd32 ("net: sched: act_mirred: remove dependency on rtnl lock")
Signed-off-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Bartek reported that after few cable unplug/replug cycles suddenly
replug isn't detected any longer. His system uses a RTL8106, I wasn't
able to reproduce the issue with RTL8168g. According to his bisect
the referenced commit caused the regression. As Realtek doesn't
release datasheets or errata it's hard to say what's the actual root
cause, but this change was reported to fix the issue.
Fixes: 38caff5a445b ("r8169: handle all interrupt events in the hard irq handler")
Reported-by: Bartosz Skrzypczak <barteks2x@gmail.com>
Suggested-by: Bartosz Skrzypczak <barteks2x@gmail.com>
Tested-by: Bartosz Skrzypczak <barteks2x@gmail.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The call to of_get_child_by_name returns a node pointer with refcount
incremented thus it must be explicitly decremented after the last
usage.
Detected by coccinelle with the following warnings:
./drivers/net/ethernet/ti/netcp_ethss.c:3661:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 3654, but without a corresponding object release within this function.
./drivers/net/ethernet/ti/netcp_ethss.c:3665:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 3654, but without a corresponding object release within this function.
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Cc: Wingman Kwok <w-kwok2@ti.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The call to ehea_get_eth_dn returns a node pointer with refcount
incremented thus it must be explicitly decremented after the last
usage.
Detected by coccinelle with the following warnings:
./drivers/net/ethernet/ibm/ehea/ehea_main.c:3163:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 3154, but without a corresponding object release within this function.
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Cc: Douglas Miller <dougmill@linux.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The call to of_parse_phandle returns a node pointer with refcount
incremented thus it must be explicitly decremented after the last
usage.
Detected by coccinelle with the following warnings:
./drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1624:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 1569, but without a corresponding object release within this function.
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
Cc: Anirudha Sarangi <anirudh@xilinx.com>
Cc: John Linn <John.Linn@xilinx.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: netdev@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
After 90eff9096c01 ("net: phy: Allow splitting MDIO bus/device support
from PHYs") the various MDIO bus drivers were no longer parented with
config PHYLIB but with config MDIO_BUS which is not a menuconfig, fix
this by depending on MDIO_DEVICE which is a menuconfig.
This is visually nicer and less confusing for users.
Fixes: 90eff9096c01 ("net: phy: Allow splitting MDIO bus/device support from PHYs")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Pull io_uring fixes and improvements from Jens Axboe:
"The first five in this series are heavily inspired by the work Al did
on the aio side to fix the races there.
The last two re-introduce a feature that was in io_uring before it got
merged, but which I pulled since we didn't have a good way to have
BVEC iters that already have a stable reference. These aren't
necessarily related to block, it's just how io_uring pins fixed
buffers"
* tag 'io_uring-20190323' of git://git.kernel.dk/linux-block:
block: add BIO_NO_PAGE_REF flag
iov_iter: add ITER_BVEC_FLAG_NO_REF flag
io_uring: mark me as the maintainer
io_uring: retry bulk slab allocs as single allocs
io_uring: fix poll races
io_uring: fix fget/fput handling
io_uring: add prepped flag
io_uring: make io_read/write return an integer
io_uring: use regular request ref counts
|
|
Pull block fixes from Jens Axboe:
"A set of fixes/changes that should go into this series. This contains:
- Kernel doc / comment updates (Bart, Shenghui)
- Un-export of core-only used function (Bart)
- Fix race on loop file access (Dongli)
- pf/pcd queue cleanup fixes (me)
- Use appropriate helper for RESTART bit set (Yufen)
- Use named identifier for classic poll (Yufen)"
* tag 'for-linus-20190323' of git://git.kernel.dk/linux-block:
sbitmap: trivial - update comment for sbitmap_deferred_clear_bit
blkcg: Fix kernel-doc warnings
blk-iolatency: #include "blk.h"
block: Unexport blk_mq_add_to_requeue_list()
block: add BLK_MQ_POLL_CLASSIC for hybrid poll and return EINVAL for unexpected value
blk-mq: remove unused 'nr_expired' from blk_mq_hw_ctx
loop: access lo_backing_file only when the loop device is Lo_bound
blk-mq: use blk_mq_sched_mark_restart_hctx to set RESTART
paride/pcd: cleanup queues when detection fails
paride/pf: cleanup queues when detection fails
|
|
Pull ceph fixes from Ilya Dryomov:
"A follow up for the new alloc_size logic and a blacklisting fix,
marked for stable"
* tag 'ceph-for-5.1-rc2' of git://github.com/ceph/ceph-client:
rbd: drop wait_for_latest_osdmap()
libceph: wait for latest osdmap in ceph_monc_blacklist_add()
rbd: set io_min, io_opt and discard_granularity to alloc_size
|
|
The ext4 fstrim implementation uses the block bitmaps to find free space
that can be discarded. If we haven't replayed the journal, the bitmaps
will be stale and we absolutely *cannot* use stale metadata to zap the
underlying storage.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
|
|
During a read failover, we may end up changing the value of
the pgio_mirror_idx, so make sure that we record the layout
stats before that update.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
|
|
Specifying a retrans=0 mount parameter to a NFS/TCP mount, is
inadvertently causing the NFS client to rewrite any specified
timeout parameter to the default of 60 seconds.
Fixes: a956beda19a6 ("NFS: Allow the mount option retrans=0")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
|
|
Currently, we are releasing the indirect buffer where we are done with
it in ext4_ind_remove_space(), so we can see the brelse() and
BUFFER_TRACE() everywhere. It seems fragile and hard to read, and we
may probably forget to release the buffer some day. This patch cleans
up the code by putting of the code which releases the buffers to the
end of the function.
Signed-off-by: zhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
|
|
If the transport is still connected, then we do want to allow
RPC_SOFTCONN tasks to retry. They should time out if and only if
the connection is broken.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
|
|
All indirect buffers get by ext4_find_shared() should be released no
mater the branch should be freed or not. But now, we forget to release
the lower depth indirect buffers when removing space from the same
higher depth indirect block. It will lead to buffer leak and futher
more, it may lead to quota information corruption when using old quota,
consider the following case.
- Create and mount an empty ext4 filesystem without extent and quota
features,
- quotacheck and enable the user & group quota,
- Create some files and write some data to them, and then punch hole
to some files of them, it may trigger the buffer leak problem
mentioned above.
- Disable quota and run quotacheck again, it will create two new
aquota files and write the checked quota information to them, which
probably may reuse the freed indirect block(the buffer and page
cache was not freed) as data block.
- Enable quota again, it will invoke
vfs_load_quota_inode()->invalidate_bdev() to try to clean unused
buffers and pagecache. Unfortunately, because of the buffer of quota
data block is still referenced, quota code cannot read the up to date
quota info from the device and lead to quota information corruption.
This problem can be reproduced by xfstests generic/231 on ext3 file
system or ext4 file system without extent and quota features.
This patch fix this problem by releasing the missing indirect buffers,
in ext4_ind_remove_space().
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: stable@kernel.org
|
|
In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.
With -Wimplicit-fallthrough added to CFLAGS:
kernel/irq/manage.c: In function ‘irq_do_set_affinity’:
kernel/irq/manage.c:198:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
cpumask_copy(desc->irq_common_data.affinity, mask);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/irq/manage.c:199:2: note: here
case IRQ_SET_MASK_OK_NOCOPY:
^~~~
Annotate it.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Kees Cook <keescook@chromium.org>
Link: https://lkml.kernel.org/r/20190228213714.GA9246@embeddedor
|
|
For all riscv architectures (RV32, RV64 and RV128), the clocksource
is a 64 bit incrementing counter.
Fix the clock source mask accordingly.
Tested on both 64bit and 32 bit virt machine in QEMU.
Fixes: 62b019436814 ("clocksource: new RISC-V SBI timer driver")
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: linux-riscv@lists.infradead.org
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Anup Patel <Anup.Patel@wdc.com>
Cc: Damien Le Moal <Damien.LeMoal@wdc.com>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20190322215411.19362-1-atish.patra@wdc.com
|
|
On machines where the GART aperture is mapped over physical RAM,
/proc/kcore contains the GART aperture range. Accessing the GART range via
/proc/kcore results in a kernel crash.
vmcore used to have the same issue, until it was fixed with commit
2a3e83c6f96c ("x86/gart: Exclude GART aperture from vmcore")', leveraging
existing hook infrastructure in vmcore to let /proc/vmcore return zeroes
when attempting to read the aperture region, and so it won't read from the
actual memory.
Apply the same workaround for kcore. First implement the same hook
infrastructure for kcore, then reuse the hook functions introduced in the
previous vmcore fix. Just with some minor adjustment, rename some functions
for more general usage, and simplify the hook infrastructure a bit as there
is no module usage yet.
Suggested-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Kairui Song <kasong@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jiri Bohac <jbohac@suse.cz>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Omar Sandoval <osandov@fb.com>
Cc: Dave Young <dyoung@redhat.com>
Link: https://lkml.kernel.org/r/20190308030508.13548-1-kasong@redhat.com
|
|
To 2.19
Signed-off-by: Steve French <stfrench@microsoft.com>
|
|
Workaround problem with Samba responses to SMB3.1.1
null user (guest) mounts. The server doesn't set the
expected flag in the session setup response so we have
to do a similar check to what is done in smb3_validate_negotiate
where we also check if the user is a null user (but not sec=krb5
since username might not be passed in on mount for Kerberos case).
Note that the commit below tightened the conditions and forced signing
for the SMB2-TreeConnect commands as per MS-SMB2.
However, this should only apply to normal user sessions and not for
cases where there is no user (even if server forgets to set the flag
in the response) since we don't have anything useful to sign with.
This is especially important now that the more secure SMB3.1.1 protocol
is in the default dialect list.
An earlier patch ("cifs: allow guest mounts to work for smb3.11") fixed
the guest mounts to Windows.
Fixes: 6188f28bf608 ("Tree connect for SMB3.1.1 must be signed for non-encrypted shares")
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Paulo Alcantara <palcantara@suse.de>
CC: Stable <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
|
|
This patch fixes the following KASAN report:
[ 779.044746] BUG: KASAN: slab-out-of-bounds in string+0xab/0x180
[ 779.044750] Read of size 1 at addr ffff88814f327968 by task trace-cmd/2812
[ 779.044756] CPU: 1 PID: 2812 Comm: trace-cmd Not tainted 5.1.0-rc1+ #62
[ 779.044760] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-0-ga698c89-prebuilt.qemu.org 04/01/2014
[ 779.044761] Call Trace:
[ 779.044769] dump_stack+0x5b/0x90
[ 779.044775] ? string+0xab/0x180
[ 779.044781] print_address_description+0x6c/0x23c
[ 779.044787] ? string+0xab/0x180
[ 779.044792] ? string+0xab/0x180
[ 779.044797] kasan_report.cold.3+0x1a/0x32
[ 779.044803] ? string+0xab/0x180
[ 779.044809] string+0xab/0x180
[ 779.044816] ? widen_string+0x160/0x160
[ 779.044822] ? vsnprintf+0x5bf/0x7f0
[ 779.044829] vsnprintf+0x4e7/0x7f0
[ 779.044836] ? pointer+0x4a0/0x4a0
[ 779.044841] ? seq_buf_vprintf+0x79/0xc0
[ 779.044848] seq_buf_vprintf+0x62/0xc0
[ 779.044855] trace_seq_printf+0x113/0x210
[ 779.044861] ? trace_seq_puts+0x110/0x110
[ 779.044867] ? trace_raw_output_prep+0xd8/0x110
[ 779.044876] trace_raw_output_smb3_tcon_class+0x9f/0xc0
[ 779.044882] print_trace_line+0x377/0x890
[ 779.044888] ? tracing_buffers_read+0x300/0x300
[ 779.044893] ? ring_buffer_read+0x58/0x70
[ 779.044899] s_show+0x6e/0x140
[ 779.044906] seq_read+0x505/0x6a0
[ 779.044913] vfs_read+0xaf/0x1b0
[ 779.044919] ksys_read+0xa1/0x130
[ 779.044925] ? kernel_write+0xa0/0xa0
[ 779.044931] ? __do_page_fault+0x3d5/0x620
[ 779.044938] do_syscall_64+0x63/0x150
[ 779.044944] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 779.044949] RIP: 0033:0x7f62c2c2db31
[ 779.044955] Code: fe ff ff 48 8d 3d 17 9e 09 00 48 83 ec 08 e8 96 02
02 00 66 0f 1f 44 00 00 8b 05 fa fc 2c 00 48 63 ff 85 c0 75 13 31 c0
0f 05 <48> 3d 00 f0 ff ff 77 57 f3 c3 0f 1f 44 00 00 55 53 48 89 d5 48
89
[ 779.044958] RSP: 002b:00007ffd6e116678 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 779.044964] RAX: ffffffffffffffda RBX: 0000560a38be9260 RCX: 00007f62c2c2db31
[ 779.044966] RDX: 0000000000002000 RSI: 00007ffd6e116710 RDI: 0000000000000003
[ 779.044966] RDX: 0000000000002000 RSI: 00007ffd6e116710 RDI: 0000000000000003
[ 779.044969] RBP: 00007f62c2ef5420 R08: 0000000000000000 R09: 0000000000000003
[ 779.044972] R10: ffffffffffffffa8 R11: 0000000000000246 R12: 00007ffd6e116710
[ 779.044975] R13: 0000000000002000 R14: 0000000000000d68 R15: 0000000000002000
[ 779.044981] Allocated by task 1257:
[ 779.044987] __kasan_kmalloc.constprop.5+0xc1/0xd0
[ 779.044992] kmem_cache_alloc+0xad/0x1a0
[ 779.044997] getname_flags+0x6c/0x2a0
[ 779.045003] user_path_at_empty+0x1d/0x40
[ 779.045008] do_faccessat+0x12a/0x330
[ 779.045012] do_syscall_64+0x63/0x150
[ 779.045017] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 779.045019] Freed by task 1257:
[ 779.045023] __kasan_slab_free+0x12e/0x180
[ 779.045029] kmem_cache_free+0x85/0x1b0
[ 779.045034] filename_lookup.part.70+0x176/0x250
[ 779.045039] do_faccessat+0x12a/0x330
[ 779.045043] do_syscall_64+0x63/0x150
[ 779.045048] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 779.045052] The buggy address belongs to the object at ffff88814f326600
which belongs to the cache names_cache of size 4096
[ 779.045057] The buggy address is located 872 bytes to the right of
4096-byte region [ffff88814f326600, ffff88814f327600)
[ 779.045058] The buggy address belongs to the page:
[ 779.045062] page:ffffea00053cc800 count:1 mapcount:0 mapping:ffff88815b191b40 index:0x0 compound_mapcount: 0
[ 779.045067] flags: 0x200000000010200(slab|head)
[ 779.045075] raw: 0200000000010200 dead000000000100 dead000000000200 ffff88815b191b40
[ 779.045081] raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000
[ 779.045083] page dumped because: kasan: bad access detected
[ 779.045085] Memory state around the buggy address:
[ 779.045089] ffff88814f327800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 779.045093] ffff88814f327880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 779.045097] >ffff88814f327900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 779.045099] ^
[ 779.045103] ffff88814f327980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 779.045107] ffff88814f327a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 779.045109] ==================================================================
[ 779.045110] Disabling lock debugging due to kernel taint
Correctly assign tree name str for smb3_tcon event.
Signed-off-by: Paulo Alcantara (SUSE) <paulo@paulo.ac>
Signed-off-by: Steve French <stfrench@microsoft.com>
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