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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"I have two patches for 5.16:
- allow external modules to be built against read-only source trees
- turn KVM on in the defconfigs
The second one isn't technically a fix, but it got tied up pending
some defconfig cleanups that ended up finding some larger issues. I
figured it'd be better to get the config changes some more testing,
but didn't want to hold up turning KVM on for that"
* tag 'riscv-for-linus-5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: fix building external modules
RISC-V: Enable KVM in RV64 and RV32 defconfigs as a module
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull exit-vs-signal handling fixes from Eric Biederman:
"This is a small set of changes where debuggers were no longer able to
intercept synchronous SIGTRAP and SIGSEGV, introduced by the exit
cleanups.
This is essentially the change you suggested with all of i's dotted
and the t's crossed so that ptrace can intercept all of the cases it
has been able to intercept the past, and all of the cases that made it
to exit without giving ptrace a chance still don't give ptrace a
chance"
* 'SA_IMMUTABLE-fixes-for-v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
signal: Replace force_fatal_sig with force_exit_sig when in doubt
signal: Don't always set SA_IMMUTABLE for forced signals
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Six fixes, five in drivers (ufs, qla2xxx, iscsi) and one core change
to fix a regression in user space device state setting, which is used
by the iscsi daemons to effect device recovery"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Fix mailbox direction flags in qla2xxx_get_adapter_id()
scsi: ufs: core: Fix another task management completion race
scsi: ufs: core: Fix task management completion timeout race
scsi: core: sysfs: Fix hang when device state is set via sysfs
scsi: iscsi: Unblock session then wake up error handler
scsi: ufs: core: Improve SCSI abort handling
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Pull rdma fixes from Jason Gunthorpe:
"There are a few big regression items from the merge window suggesting
that people are testing rc1's but not testing the for-next branches:
- Warnings fixes
- Crash in hf1 when creating QPs and setting counters
- Some old mlx4 cards fail to probe due to missing counters
- Syzkaller crash in the new counters code"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
MAINTAINERS: Update for VMware PVRDMA driver
RDMA/nldev: Check stat attribute before accessing it
RDMA/mlx4: Do not fail the registration on port stats
IB/hfi1: Properly allocate rdma counter desc memory
RDMA/core: Set send and receive CQ before forwarding to the driver
RDMA/netlink: Add __maybe_unused to static inline in C file
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix a coccicheck warning in gpio-virtio
- fix gpio selftests build issues
- fix a Kconfig issue in gpio-rockchip
* tag 'gpio-fixes-for-v5.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: rockchip: needs GENERIC_IRQ_CHIP to fix build errors
selftests: gpio: restore CFLAGS options
selftests: gpio: fix uninitialised variable warning
selftests: gpio: fix gpio compiling error
gpio: virtio: remove unneeded semicolon
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Pull drm fixes from Dave Airlie:
"This week's fixes, pretty quiet, about right for rc2. amdgpu is the
bulk of them but the scheduler ones have been reported in a few places
I think.
Otherwise just some minor i915 fixes and a few other scattered around:
scheduler:
- two refcounting fixes
cma-helper:
- use correct free path for noncoherent
efifb:
- probing fix
amdgpu:
- Better debugging info for SMU msgs
- Better error reporting when adding IP blocks
- Fix UVD powergating regression on CZ
- Clock reporting fix for navi1x
- OLED panel backlight fix
- Fix scaling on VGA/DVI for non-DC display code
- Fix GLFCLK handling for RGP on some APUs
- fix potential memory leak
amdkfd:
- GPU reset fix
i915:
- return error handling fix
- ADL-P display fix
- TGL DSI display clocks fix
nouveau:
- infoframe corruption fix
sun4i:
- Kconfig fix"
* tag 'drm-fixes-2021-11-19' of git://anongit.freedesktop.org/drm/drm:
drm/amd/amdgpu: fix potential memleak
drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again
drm/amd/pm: add GFXCLK/SCLK clocks level print support for APUs
drm/amdgpu: fix set scaling mode Full/Full aspect/Center not works on vga and dvi connectors
drm/amd/display: Fix OLED brightness control on eDP
drm/amd/pm: Remove artificial freq level on Navi1x
drm/amd/pm: avoid duplicate powergate/ungate setting
drm/amdgpu: add error print when failing to add IP block(v2)
drm/amd/pm: Enhanced reporting also for a stuck command
drm/i915/guc: fix NULL vs IS_ERR() checking
drm/i915/dsi/xelpd: Fix the bit mask for wakeup GB
Revert "drm/i915/tgl/dsi: Gate the ddi clocks after pll mapping"
fbdev: Prevent probing generic drivers if a FB is already registered
drm/scheduler: fix drm_sched_job_add_implicit_dependencies harder
drm/scheduler: fix drm_sched_job_add_implicit_dependencies
drm/sun4i: fix unmet dependency on RESET_CONTROLLER for PHY_SUN6I_MIPI_DPHY
drm/cma-helper: Release non-coherent memory with dma_free_noncoherent()
drm/nouveau: hdmigv100.c: fix corrupted HDMI Vendor InfoFrame
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When commit 5d1ceb3969b6 ("x86: Fix __get_wchan() for !STACKTRACE")
moved from stacktrace to native unwind_*() usage, the
try_get_task_stack() got lost, leading to use-after-free issues for
dying tasks.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Fixes: 5d1ceb3969b6 ("x86: Fix __get_wchan() for !STACKTRACE")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215031
Link: https://lore.kernel.org/stable/YZV02RCRVHIa144u@fedora64.linuxtx.org/
Reported-by: Justin Forbes <jmforbes@linuxtx.org>
Reported-by: Holger Hoffstätte <holger@applied-asynchrony.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When a VF goes through a reset, it's possible for the VF's feature set
to change. For example it may lose the VIRTCHNL_VF_OFFLOAD_VLAN
capability after VF reset. Unfortunately, the driver doesn't correctly
deal with this situation and errors are seen from downing/upping the
interface and/or moving the interface in/out of a network namespace.
When setting the interface down/up we see the following errors after the
VIRTCHNL_VF_OFFLOAD_VLAN capability was taken away from the VF:
ice 0000:51:00.1: VF 1 failed opcode 12, retval: -64 iavf 0000:51:09.1:
Failed to add VLAN filter, error IAVF_NOT_SUPPORTED ice 0000:51:00.1: VF
1 failed opcode 13, retval: -64 iavf 0000:51:09.1: Failed to delete VLAN
filter, error IAVF_NOT_SUPPORTED
These add/delete errors are happening because the VLAN filters are
tracked internally to the driver and regardless of the VLAN_ALLOWED()
setting the driver tries to delete/re-add them over virtchnl.
Fix the delete failure by making sure to delete any VLAN filter tracking
in the driver when a removal request is made, while preventing the
virtchnl request. This makes it so the driver's VLAN list is up to date
and the errors are
Fix the add failure by making sure the check for VLAN_ALLOWED() during
reset is done after the VF receives its capability list from the PF via
VIRTCHNL_OP_GET_VF_RESOURCES. If VLAN functionality is not allowed, then
prevent requesting re-adding the filters over virtchnl.
When moving the interface into a network namespace we see the following
errors after the VIRTCHNL_VF_OFFLOAD_VLAN capability was taken away from
the VF:
iavf 0000:51:09.1 enp81s0f1v1: NIC Link is Up Speed is 25 Gbps Full Duplex
iavf 0000:51:09.1 temp_27: renamed from enp81s0f1v1
iavf 0000:51:09.1 mgmt: renamed from temp_27
iavf 0000:51:09.1 dev27: set_features() failed (-22); wanted 0x020190001fd54833, left 0x020190001fd54bb3
These errors are happening because we aren't correctly updating the
netdev capabilities and dealing with ndo_fix_features() and
ndo_set_features() correctly.
Fix this by only reporting errors in the driver's ndo_set_features()
callback when VIRTCHNL_VF_OFFLOAD_VLAN is not allowed and any attempt to
enable the VLAN features is made. Also, make sure to disable VLAN
insertion, filtering, and stripping since the VIRTCHNL_VF_OFFLOAD_VLAN
flag applies to all of them and not just VLAN stripping.
Also, after we process the capabilities in the VF reset path, make sure
to call netdev_update_features() in case the capabilities have changed
in order to update the netdev's feature set to match the VF's actual
capabilities.
Lastly, make sure to always report success on VLAN filter delete when
VIRTCHNL_VF_OFFLOAD_VLAN is not supported. The changed flow in
iavf_del_vlans() allows the stack to delete previosly existing VLAN
filters even if VLAN filtering is not allowed. This makes it so the VLAN
filter list is up to date.
Fixes: 8774370d268f ("i40e/i40evf: support for VF VLAN tag stripping control")
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Currently iavf adapter statistics are refreshed only in a
watchdog task, triggered approximately every two seconds,
which causes some ethtool requests to return outdated values.
Add explicit statistics refresh when requested by ethtool -S.
Fixes: b476b0030e61 ("iavf: Move commands processing to the separate function")
Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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System hangs if close the interface is called from the kernel during
the interface is in resetting state.
During resetting operation the link is closing but kernel didn't
know it and it tried to close this interface again what sometimes
led to deadlock.
Inform kernel about current state of interface
and turn off the flag IFF_UP when interface is closing until reset
is finished.
Previously it was most likely to hang the system when kernel
(network manager) tried to close the interface in the same time
when interface was in resetting state because of deadlock.
Fixes: 3c8e0b989aa1 ("i40vf: don't stop me now")
Signed-off-by: Jaroslaw Gawin <jaroslawx.gawin@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Resolve being able to change static values on VF when adaptive interrupt
moderation is enabled.
This problem is fixed by checking the interrupt settings is not
a combination of change of static value while adaptive interrupt
moderation is turned on.
Without this fix, the user would be able to change static values
on VF with adaptive moderation enabled.
Fixes: 65e87c0398f5 ("i40evf: support queue-specific settings for interrupt moderation")
Signed-off-by: Nitesh B Venkatesh <nitesh.b.venkatesh@intel.com>
Tested-by: George Kuruvinakunnel <george.kuruvinakunnel@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Recently to prevent issues with SECCOMP_RET_KILL and similar signals
being changed before they are delivered SA_IMMUTABLE was added.
Unfortunately this broke debuggers[1][2] which reasonably expect
to be able to trap synchronous SIGTRAP and SIGSEGV even when
the target process is not configured to handle those signals.
Add force_exit_sig and use it instead of force_fatal_sig where
historically the code has directly called do_exit. This has the
implementation benefits of going through the signal exit path
(including generating core dumps) without the danger of allowing
userspace to ignore or change these signals.
This avoids userspace regressions as older kernels exited with do_exit
which debuggers also can not intercept.
In the future is should be possible to improve the quality of
implementation of the kernel by changing some of these force_exit_sig
calls to force_fatal_sig. That can be done where it matters on
a case-by-case basis with careful analysis.
Reported-by: Kyle Huey <me@kylehuey.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
[1] https://lkml.kernel.org/r/CAP045AoMY4xf8aC_4QU_-j7obuEPYgTcnQQP3Yxk=2X90jtpjw@mail.gmail.com
[2] https://lkml.kernel.org/r/20211117150258.GB5403@xsang-OptiPlex-9020
Fixes: 00b06da29cf9 ("signal: Add SA_IMMUTABLE to ensure forced siganls do not get changed")
Fixes: a3616a3c0272 ("signal/m68k: Use force_sigsegv(SIGSEGV) in fpsp040_die")
Fixes: 83a1f27ad773 ("signal/powerpc: On swapcontext failure force SIGSEGV")
Fixes: 9bc508cf0791 ("signal/s390: Use force_sigsegv in default_trap_handler")
Fixes: 086ec444f866 ("signal/sparc32: In setup_rt_frame and setup_fram use force_fatal_sig")
Fixes: c317d306d550 ("signal/sparc32: Exit with a fatal signal when try_to_clear_window_buffer fails")
Fixes: 695dd0d634df ("signal/x86: In emulate_vsyscall force a signal instead of calling do_exit")
Fixes: 1fbd60df8a85 ("signal/vm86_32: Properly send SIGSEGV when the vm86 state cannot be saved.")
Fixes: 941edc5bf174 ("exit/syscall_user_dispatch: Send ordinary signals on failure")
Link: https://lkml.kernel.org/r/871r3dqfv8.fsf_-_@email.froward.int.ebiederm.org
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Kyle Huey <khuey@kylehuey.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Recently to prevent issues with SECCOMP_RET_KILL and similar signals
being changed before they are delivered SA_IMMUTABLE was added.
Unfortunately this broke debuggers[1][2] which reasonably expect to be
able to trap synchronous SIGTRAP and SIGSEGV even when the target
process is not configured to handle those signals.
Update force_sig_to_task to support both the case when we can allow
the debugger to intercept and possibly ignore the signal and the case
when it is not safe to let userspace know about the signal until the
process has exited.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Kyle Huey <me@kylehuey.com>
Reported-by: kernel test robot <oliver.sang@intel.com>
Cc: stable@vger.kernel.org
[1] https://lkml.kernel.org/r/CAP045AoMY4xf8aC_4QU_-j7obuEPYgTcnQQP3Yxk=2X90jtpjw@mail.gmail.com
[2] https://lkml.kernel.org/r/20211117150258.GB5403@xsang-OptiPlex-9020
Fixes: 00b06da29cf9 ("signal: Add SA_IMMUTABLE to ensure forced siganls do not get changed")
Link: https://lkml.kernel.org/r/877dd5qfw5.fsf_-_@email.froward.int.ebiederm.org
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Kyle Huey <khuey@kylehuey.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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Iiyama ProLite T1931SAW does not work with Linux - input devices are
created but cursor does not move.
It has the infamous 0eef:0001 ID which has been reused for various
devices before.
It seems to require export_all_inputs = true.
Hopefully there are no HID devices using this ID that will break.
It should not break non-HID devices (handled by usbtouchscreen).
Signed-off-by: Ondrej Zary <linux@zary.sk>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The rumbling-related identifiers are never used in !CONFIG_NINTENDO_FF
case, so let's hide them in order to avoid unused warnings.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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In hid_magicmouse, if the user has set scroll_speed to a value between
55 and 63 and scrolls seven times in quick succession, the
step_hr variable in the magicmouse_emit_touch function becomes 0.
That causes a division by zero further down in the function when
it does `step_x_hr /= step_hr`.
To reproduce, create `/etc/modprobe.d/hid_magicmouse.conf` with the
following content:
```
options hid_magicmouse scroll_acceleration=1 scroll_speed=55
```
Then reboot, connect a Magic Mouse and scroll seven times quickly.
The system will freeze for a minute, and after that `dmesg` will
confirm that a division by zero occurred.
Enforce a minimum of 1 for the variable so the high resolution
step count can never reach 0 even at maximum scroll acceleration.
Fixes: d4b9f10a0eb6 ("HID: magicmouse: enable high-resolution scroll")
Signed-off-by: Claudia Pellegrino <linux@cpellegrino.de>
Tested-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Changed 0 to NULL to fix following sparse warnings:
drivers/hid/hid-thrustmaster.c:208:43: warning: Using plain integer as NULL pointer
drivers/hid/hid-thrustmaster.c:241:17: warning: Using plain integer as NULL pointer
drivers/hid/hid-thrustmaster.c:275:37: warning: Using plain integer as NULL pointer
Signed-off-by: Vihas Mak <makvihas@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Battery status is reported for the HP Envy X360 Convertible 15-eu0xxx
even if it does not have a battery. Prevent it from always reporting the
battery as low.
Signed-off-by: Trevor Davenport <trevor.davenport@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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When a scancode is manually remapped that previously was not handled as
key, then the old usage type was incorrectly reused.
This caused issues on a "04b3:301b IBM Corp. SK-8815 Keyboard" which has
marked some of its keys with an invalid HID usage. These invalid usage
keys are being ignored since support for USB programmable buttons was
added.
The scancodes are however remapped explicitly by the systemd hwdb to the
keycodes that are printed on the physical buttons. During this mapping
step the existing usage is retrieved which will be found with a default
type of 0 (EV_SYN) instead of EV_KEY.
The events with the correct code but EV_SYN type are not forwarded to
userspace.
This also leads to a kernel oops when trying to print the report descriptor
via debugfs. hid_resolv_event() tries to resolve a EV_SYN event with an
EV_KEY code which leads to an out-of-bounds access in the EV_SYN names
array.
Fixes: bcfa8d1457 ("HID: input: Add support for Programmable Buttons")
Fixes: f5854fad39 ("Input: hid-input - allow mapping unknown usages")
Reported-by: Brent Roman <brent@mbari.org>
Tested-by: Brent Roman <brent@mbari.org>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Fix parsing of HID_CP_CONSUMER_CONTROL fields which are not in
the HID_CP_PROGRAMMABLEBUTTONS collection.
Fixes: bcfa8d14570d ("HID: input: Add support for Programmable Buttons")
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=2018096
Cc: Thomas Weißschuh <linux@weissschuh.net>
Suggested-by: Benjamin Tissoires <btissoir@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-By: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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The below scenario causes the kernel NULL pointer dereference failure:
1. sudo insmod hid-ft260.ko
2. sudo modprobe lm75
3. unplug USB hid-ft260
4. plug USB hid-ft260
[ +0.000006] Call Trace:
[ +0.000004] __i2c_smbus_xfer.part.0+0xd1/0x310
[ +0.000007] ? ft260_smbus_write+0x140/0x140 [hid_ft260]
[ +0.000005] __i2c_smbus_xfer+0x2b/0x80
[ +0.000004] i2c_smbus_xfer+0x61/0xf0
[ +0.000005] i2c_default_probe+0xf9/0x130
[ +0.000004] i2c_detect_address+0x84/0x160
[ +0.000004] ? kmem_cache_alloc_trace+0xf6/0x200
[ +0.000009] ? i2c_detect.isra.0+0x69/0x130
[ +0.000005] i2c_detect.isra.0+0xbf/0x130
[ +0.000004] ? __process_new_driver+0x30/0x30
[ +0.000004] __process_new_adapter+0x18/0x20
[ +0.000004] bus_for_each_drv+0x84/0xd0
[ +0.000003] i2c_register_adapter+0x1e4/0x400
[ +0.000005] i2c_add_adapter+0x5c/0x80
[ +0.000004] ft260_probe.cold+0x222/0x2e2 [hid_ft260]
[ +0.000006] hid_device_probe+0x10e/0x170 [hid]
[ +0.000009] really_probe+0xff/0x460
[ +0.000004] driver_probe_device+0xe9/0x160
[ +0.000003] __device_attach_driver+0x71/0xd0
[ +0.000004] ? driver_allows_async_probing+0x50/0x50
[ +0.000004] bus_for_each_drv+0x84/0xd0
[ +0.000002] __device_attach+0xde/0x1e0
[ +0.000004] device_initial_probe+0x13/0x20
[ +0.000004] bus_probe_device+0x8f/0xa0
[ +0.000003] device_add+0x333/0x5f0
It happened when i2c core probed for the devices associated with the lm75
driver by invoking 2c_detect()-->..-->ft260_smbus_write() from within the
ft260_probe before setting the adapter data with i2c_set_adapdata().
Moving the i2c_set_adapdata() before i2c_add_adapter() fixed the failure.
Signed-off-by: Michael Zaidman <michael.zaidman@gmail.com>
Signed-off-by: Germain Hebert <germain.hebert@ca.abb.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Update maintainer info for the VMware PVRDMA driver.
Link: https://lore.kernel.org/r/1637320770-44878-1-git-send-email-bryantan@vmware.com
Reviewed-by: Adit Ranadive <aditr@vmware.com>
Reviewed-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Bryan Tan <bryantan@vmware.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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We never insert flush request into scheduler queue before.
Recently commit d92ca9d8348f ("blk-mq: don't handle non-flush requests in
blk_insert_flush") tries to handle FUA data request as normal request.
This way has caused warning[1] in mq-deadline dd_exit_sched() or io hang in
case of kyber since RQF_ELVPRIV isn't set for flush request, then
->finish_request won't be called.
Fix the issue by inserting FUA data request with blk_mq_request_bypass_insert()
when the device supports FUA, just like what we did before.
[1] https://lore.kernel.org/linux-block/CAHj4cs-_vkTW=dAzbZYGxpEWSpzpcmaNeY1R=vH311+9vMUSdg@mail.gmail.com/
Reported-by: Yi Zhang <yi.zhang@redhat.com>
Fixes: d92ca9d8348f ("blk-mq: don't handle non-flush requests in blk_insert_flush")
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20211118153041.2163228-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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If blk_queue_enter() failed due to queue is dying, the
blkdev_put_no_open() is needed because blkcg_conf_open_bdev() succeeded.
Fixes: 0c9d338c8443 ("blk-cgroup: synchronize blkg creation against policy deactivation")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20211102020705.2321858-1-yukuai3@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This bug report came up when we were testing the device driver
by fuzzing. It shows that buf1_len can get underflowed and be
0xfffffffc (4294967292).
This bug is triggerable with a compromised/malfunctioning device.
We found the bug through QEMU emulation tested the patch with
emulation. We did NOT test it on real hardware.
Attached is the bug report by fuzzing.
BUG: KASAN: use-after-free in stmmac_napi_poll_rx+0x1c08/0x36e0 [stmmac]
Read of size 4294967292 at addr ffff888016358000 by task ksoftirqd/0/9
CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G W 5.6.0 #1
Call Trace:
dump_stack+0x76/0xa0
print_address_description.constprop.0+0x16/0x200
? stmmac_napi_poll_rx+0x1c08/0x36e0 [stmmac]
? stmmac_napi_poll_rx+0x1c08/0x36e0 [stmmac]
__kasan_report.cold+0x37/0x7c
? stmmac_napi_poll_rx+0x1c08/0x36e0 [stmmac]
kasan_report+0xe/0x20
check_memory_region+0x15a/0x1d0
memcpy+0x20/0x50
stmmac_napi_poll_rx+0x1c08/0x36e0 [stmmac]
? stmmac_suspend+0x850/0x850 [stmmac]
? __next_timer_interrupt+0xba/0xf0
net_rx_action+0x363/0xbd0
? call_timer_fn+0x240/0x240
? __switch_to_asm+0x40/0x70
? napi_busy_loop+0x520/0x520
? __schedule+0x839/0x15a0
__do_softirq+0x18c/0x634
? takeover_tasklets+0x5f0/0x5f0
run_ksoftirqd+0x15/0x20
smpboot_thread_fn+0x2f1/0x6b0
? smpboot_unregister_percpu_thread+0x160/0x160
? __kthread_parkme+0x80/0x100
? smpboot_unregister_percpu_thread+0x160/0x160
kthread+0x2b5/0x3b0
? kthread_create_on_node+0xd0/0xd0
ret_from_fork+0x22/0x40
Reported-by: Brendan Dolan-Gavitt <brendandg@nyu.edu>
Signed-off-by: Zekun Shen <bruceshenzk@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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|
We found this bug while fuzzing the device driver. Using and freeing
the dangling pointer buff->skb would cause use-after-free and
double-free.
This bug is triggerable with compromised/malfunctioning devices. We
found the bug with QEMU emulation and tested the patch by emulation.
We did NOT test on a real device.
Attached is the bug report.
BUG: KASAN: double-free or invalid-free in consume_skb+0x6c/0x1c0
Call Trace:
dump_stack+0x76/0xa0
print_address_description.constprop.0+0x16/0x200
? consume_skb+0x6c/0x1c0
kasan_report_invalid_free+0x61/0xa0
? consume_skb+0x6c/0x1c0
__kasan_slab_free+0x15e/0x170
? consume_skb+0x6c/0x1c0
kfree+0x8c/0x230
consume_skb+0x6c/0x1c0
aq_ring_tx_clean+0x5c2/0xa80 [atlantic]
aq_vec_poll+0x309/0x5d0 [atlantic]
? _sub_I_65535_1+0x20/0x20 [atlantic]
? __next_timer_interrupt+0xba/0xf0
net_rx_action+0x363/0xbd0
? call_timer_fn+0x240/0x240
? __switch_to_asm+0x34/0x70
? napi_busy_loop+0x520/0x520
? net_tx_action+0x379/0x720
__do_softirq+0x18c/0x634
? takeover_tasklets+0x5f0/0x5f0
run_ksoftirqd+0x15/0x20
smpboot_thread_fn+0x2f1/0x6b0
? smpboot_unregister_percpu_thread+0x160/0x160
? __kthread_parkme+0x80/0x100
? smpboot_unregister_percpu_thread+0x160/0x160
kthread+0x2b5/0x3b0
? kthread_create_on_node+0xd0/0xd0
ret_from_fork+0x22/0x40
Reported-by: Brendan Dolan-Gavitt <brendandg@nyu.edu>
Signed-off-by: Zekun Shen <bruceshenzk@gmail.com>
Reviewed-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fix error path handling in prestera_bridge_port_join() that
cases prestera driver to crash (see below).
Trace:
Internal error: Oops: 96000044 [#1] SMP
Modules linked in: prestera_pci prestera uio_pdrv_genirq
CPU: 1 PID: 881 Comm: ip Not tainted 5.15.0 #1
pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : prestera_bridge_destroy+0x2c/0xb0 [prestera]
lr : prestera_bridge_port_join+0x2cc/0x350 [prestera]
sp : ffff800011a1b0f0
...
x2 : ffff000109ca6c80 x1 : dead000000000100 x0 : dead000000000122
Call trace:
prestera_bridge_destroy+0x2c/0xb0 [prestera]
prestera_bridge_port_join+0x2cc/0x350 [prestera]
prestera_netdev_port_event.constprop.0+0x3c4/0x450 [prestera]
prestera_netdev_event_handler+0xf4/0x110 [prestera]
raw_notifier_call_chain+0x54/0x80
call_netdevice_notifiers_info+0x54/0xa0
__netdev_upper_dev_link+0x19c/0x380
Fixes: e1189d9a5fbe ("net: marvell: prestera: Add Switchdev driver implementation")
Signed-off-by: Volodymyr Mytnyk <vmytnyk@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return NOTIFY_DONE (dont't care) for switchdev notifications
that prestera driver don't know how to handle them.
With introduction of SWITCHDEV_BRPORT_[UN]OFFLOADED switchdev
events, the driver rejects adding swport to bridge operation
which is handled by prestera_bridge_port_join() func. The root
cause of this is that prestera driver returns error (EOPNOTSUPP)
in prestera_switchdev_blk_event() handler for unknown swdev
events. This causes switchdev_bridge_port_offload() to fail
when adding port to bridge in prestera_bridge_port_join().
Fixes: 957e2235e526 ("net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge")
Signed-off-by: Volodymyr Mytnyk <vmytnyk@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Before the drm driver had support for this file there was a driver that
exposed the contents of the vga password register to userspace. It would
present the entire register instead of interpreting it.
The drm implementation chose to mask of the lower bit, without explaining
why. This breaks the existing userspace, which is looking for 0xa8 in
the lower byte.
Change our implementation to expose the entire register.
Fixes: 696029eb36c0 ("drm/aspeed: Add sysfs for output settings")
Reported-by: Oskar Senft <osk@google.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Jeremy Kerr <jk@codeconstruct.com.au>
Tested-by: Oskar Senft <osk@google.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211117010145.297253-1-joel@jms.id.au
|
|
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter/IPVS fixes for net:
1) Add selftest for vrf+conntrack, from Florian Westphal.
2) Extend nfqueue selftest to cover nfqueue, also from Florian.
3) Remove duplicated include in nft_payload, from Wan Jiabing.
4) Several improvements to the nat port shadowing selftest,
from Phil Sutter.
5) Fix filtering of reply tuple in ctnetlink, from Florent Fourcot.
6) Do not override error with -EINVAL in filter setup path, also
from Florent.
7) Honor sysctl_expire_nodest_conn regardless conn_reuse_mode for
reused connections, from yangxingwu.
8) Replace snprintf() by sysfs_emit() in xt_IDLETIMER as reported
by Coccinelle, from Jing Yao.
9) Incorrect IPv6 tunnel match in flowtable offload, from Will
Mortensen.
10) Switch port shadow selftest to use socat, from Florian Westphal.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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|
The ->gem_create_object() functions are supposed to return NULL if there
is an error. None of the callers expect error pointers so returing one
will lead to an Oops. See drm_gem_vram_create(), for example.
Fixes: c826a6e10644 ("drm/vc4: Add a BO cache.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211118111416.GC1147@kili
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|
The recent change made mistakenly the stream for capture started at
prepare stage. Add the stream direction check to avoid it.
Fixes: 9c9a3b9da891 ("ALSA: usb-audio: Rename early_playback_start flag with lowlatency_playback")
Link: https://lore.kernel.org/r/20211119102629.7476-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
|
|
The recent regression report revealed that the judgment of the
low-latency playback mode based on the runtime->stop_threshold cannot
work reliably at the prepare stage, as sw_params call may happen at
any time, and PCM dmix actually sets it up after the prepare call.
This ended up with the stall of the stream as PCM ack won't be issued
at all.
For addressing this, check the free-wheeling mode again at the PCM
trigger right before starting the stream again, and allow switching to
the non-LL mode at a late stage.
Fixes: d5f871f89e21 ("ALSA: usb-audio: Improved lowlatency playback support")
Reported-and-tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Link: https://lore.kernel.org/r/20211117161855.m45mxcqszkfcetai@box.shutemov.name
Link: https://lore.kernel.org/r/20211119102459.7055-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
|
|
When building external modules, vdso_prepare should not be run. If the
kernel sources are read-only, it will fail.
Fixes: fde9c59aebaf ("riscv: explicitly use symbol offsets for VDSO")
Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
|
|
Let's enable KVM RISC-V in RV64 and RV32 defconfigs as module
so that it always built along with the default kernel image.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
|
|
Similar to other drivers, this should fix a Clang compilar warning when
building without CONFIG_OF in which case of_match_ptr() is NULL and
the const struct we would use otherwise is unused.
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
Include the more portable property.h instead of the OF specific of_graph.h
Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
|
|
https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.16-2021-11-17:
amdgpu:
- Better debugging info for SMU msgs
- Better error reporting when adding IP blocks
- Fix UVD powergating regression on CZ
- Clock reporting fix for navi1x
- OLED panel backlight fix
- Fix scaling on VGA/DVI for non-DC display code
- Fix GLFCLK handling for RGP on some APUs
- fix potential memory leak
amdkfd:
- GPU reset fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211118041638.20831-1-alexander.deucher@amd.com
|
|
The "item" pointer is always going to be valid pointer and does not need to
be checked.
But if "item" were NULL then item_to_lun() would not return a NULL, but
instead, the container_of() pointer math would return a value in the error
pointer range. This confuses static checkers since it looks like a NULL vs
IS_ERR() bug.
Delete the bogus checks.
Link: https://lore.kernel.org/r/20211118084900.GA24550@kili
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Fix the sparse warnings about t10_alua_tg_pt_gp accesses in
target_core_spc.c caused by commit 7324f47d4293 ("scsi: target: Replace
lun_tg_pt_gp_lock with rcu in I/O path")
That commit replaced the lun_tg_pt_gp_lock use in the I/O path, but it
didn't update the INQUIRY code.
Link: https://lore.kernel.org/r/20211117213928.8634-1-michael.christie@oracle.com
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Maurizio Lombardi <mlombard@redhat.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
For updating the IOC firmware's timestamp with system timestamp, the driver
issues the Mpi26IoUnitControlRequest message. While framing the
Mpi26IoUnitControlRequest, the driver should copy the lower 32 bits of the
current timestamp into IOCParameterValue field and the higher 32 bits into
Reserved7 field.
Link: https://lore.kernel.org/r/20211117123215.25487-1-sreekanth.reddy@broadcom.com
Fixes: f98790c00375 ("scsi: mpt3sas: Sync time periodically between driver and firmware")
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
While determining the SAS address of a drive, the driver checks whether the
handle number is less than the HBA phy count or not. If the handle number
is less than the HBA phy count then driver assumes that this handle belongs
to HBA and hence it assigns the HBA SAS address.
During IOC firmware downgrade operation, if the number of HBA phys is
reduced and the OS drive's device handle drops below the phy count while
determining the drive's SAS address, the driver ends up using the HBA's SAS
address. This leads to a mismatch of drive's SAS address and hence the
driver unregisters the OS drive and the system goes into read-only mode.
Update the IOC's num_phys to the HBA phy count provided by actual loaded
firmware.
Link: https://lore.kernel.org/r/20211117105058.3505-1-sreekanth.reddy@broadcom.com
Fixes: a5e99fda0172 ("scsi: mpt3sas: Update hba_port objects after host reset")
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
One quick fix for return error handling, one fix for ADL-P display
and one revert targeting stable 5.4, for TGL's DSI display clocks
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YZbUPIHpR1S3JZ2b@intel.com
|
|
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
A infoframe corruption fix for nouveau, a wrong free function usage fix
for GEM CMA helpers, a Kconfig dependency fix for sun4i, two fixes for
drm/scheduler refcounting and a probing fix for efifb.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20211118075447.5rn6zaulnrequqnm@gilmour
|
|
While looping over shost's sdev list it is possible that one
of the drives is getting removed and its sas_target object is
freed but its sdev object remains intact.
Consequently, a kernel panic can occur while the driver is trying to access
the sas_address field of sas_target object without also checking the
sas_target object for NULL.
Link: https://lore.kernel.org/r/20211117104909.2069-1-sreekanth.reddy@broadcom.com
Fixes: f92363d12359 ("[SCSI] mpt3sas: add new driver supporting 12GB SAS")
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
This was found by coccicheck:
./drivers/scsi/ufs/ufs-mediatek.c, 211, 1-7, ERROR missing put_device;
call of_find_device_by_node on line 1185, but without a corresponding
object release within this function.
Link: https://lore.kernel.org/r/20211110105133.150171-1-ye.guojin@zte.com.cn
Reported-by: Zeal Robot <zealci@zte.com.cn>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Change min_t() to use type "u32" instead of type "int" to avoid stack out
of bounds. With min_t() type "int" the values get sign extended and the
larger value gets used causing stack out of bounds.
BUG: KASAN: stack-out-of-bounds in memcpy include/linux/fortify-string.h:191 [inline]
BUG: KASAN: stack-out-of-bounds in sg_copy_buffer+0x1de/0x240 lib/scatterlist.c:976
Read of size 127 at addr ffff888072607128 by task syz-executor.7/18707
CPU: 1 PID: 18707 Comm: syz-executor.7 Not tainted 5.15.0-syzk #1
Hardware name: Red Hat KVM, BIOS 1.13.0-2
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x89/0xb5 lib/dump_stack.c:106
print_address_description.constprop.9+0x28/0x160 mm/kasan/report.c:256
__kasan_report mm/kasan/report.c:442 [inline]
kasan_report.cold.14+0x7d/0x117 mm/kasan/report.c:459
check_region_inline mm/kasan/generic.c:183 [inline]
kasan_check_range+0x1a3/0x210 mm/kasan/generic.c:189
memcpy+0x23/0x60 mm/kasan/shadow.c:65
memcpy include/linux/fortify-string.h:191 [inline]
sg_copy_buffer+0x1de/0x240 lib/scatterlist.c:976
sg_copy_from_buffer+0x33/0x40 lib/scatterlist.c:1000
fill_from_dev_buffer.part.34+0x82/0x130 drivers/scsi/scsi_debug.c:1162
fill_from_dev_buffer drivers/scsi/scsi_debug.c:1888 [inline]
resp_readcap16+0x365/0x3b0 drivers/scsi/scsi_debug.c:1887
schedule_resp+0x4d8/0x1a70 drivers/scsi/scsi_debug.c:5478
scsi_debug_queuecommand+0x8c9/0x1ec0 drivers/scsi/scsi_debug.c:7533
scsi_dispatch_cmd drivers/scsi/scsi_lib.c:1520 [inline]
scsi_queue_rq+0x16b0/0x2d40 drivers/scsi/scsi_lib.c:1699
blk_mq_dispatch_rq_list+0xb9b/0x2700 block/blk-mq.c:1639
__blk_mq_sched_dispatch_requests+0x28f/0x590 block/blk-mq-sched.c:325
blk_mq_sched_dispatch_requests+0x105/0x190 block/blk-mq-sched.c:358
__blk_mq_run_hw_queue+0xe5/0x150 block/blk-mq.c:1761
__blk_mq_delay_run_hw_queue+0x4f8/0x5c0 block/blk-mq.c:1838
blk_mq_run_hw_queue+0x18d/0x350 block/blk-mq.c:1891
blk_mq_sched_insert_request+0x3db/0x4e0 block/blk-mq-sched.c:474
blk_execute_rq_nowait+0x16b/0x1c0 block/blk-exec.c:62
sg_common_write.isra.18+0xeb3/0x2000 drivers/scsi/sg.c:836
sg_new_write.isra.19+0x570/0x8c0 drivers/scsi/sg.c:774
sg_ioctl_common+0x14d6/0x2710 drivers/scsi/sg.c:939
sg_ioctl+0xa2/0x180 drivers/scsi/sg.c:1165
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x19d/0x220 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3a/0x80 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Link: https://lore.kernel.org/r/1636484247-21254-1-git-send-email-george.kennedy@oracle.com
Reported-by: syzkaller <syzkaller@googlegroups.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: George Kennedy <george.kennedy@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
The > comparison needs to be >= to prevent accessing one element beyond the
end of the app_reply->ports[] array.
Link: https://lore.kernel.org/r/20211109115219.GE16587@kili
Fixes: 7878f22a2e03 ("scsi: qla2xxx: edif: Add getfcinfo and statistic bsgs")
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
Fix the following sparse warnings in ufshpb_set_hpb_read_to_upiu():
sparse warnings: (new ones prefixed by >>)
drivers/scsi/ufs/ufshpb.c:335:27: sparse: sparse: cast from restricted __be64
drivers/scsi/ufs/ufshpb.c:335:25: sparse: expected restricted __be64 [usertype] ppn_tmp
drivers/scsi/ufs/ufshpb.c:335:25: sparse: got unsigned long long [usertype]
Link: https://lore.kernel.org/r/20211111222452.384089-1-huobean@gmail.com
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
|
|
If trace_seq becomes full, trace_seq_vprintf() no longer consumes
arguments from va_list, making va_list out of sync with format
processing by trace_check_vprintf().
This causes va_arg() in trace_check_vprintf() to return wrong
positional argument, which results into a WARN_ON_ONCE() hit.
ftrace_stress_test from LTP triggers this situation.
Fix it by explicitly avoiding further use if va_list at the point
when it's consistency can no longer be guaranteed.
Link: https://lkml.kernel.org/r/20211118145516.13219-1-nikita.yushchenko@virtuozzo.com
Signed-off-by: Nikita Yushchenko <nikita.yushchenko@virtuozzo.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
|
