Fixes and new HW support:
- hp-wmi: Add HP OMEN 8 to thermal profile list and use timer quirk
- mlx-platform: Fix PCI device refcount leaks
- thinkpad-acpi: Support a new platform profile toggle hotkey
The following is an automated shortlog grouped by driver:
hp-wmi:
- mark 8A15 board for timed OMEN thermal profile
mlx-platform:
- call pci_dev_put() to balance the refcount
thinkpad-acpi:
- Add support for hotkey 0x1401
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Merge tag 'platform-drivers-x86-v6.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers fixes from Ilpo Järvinen:
"hp-wmi:
- mark 8A15 board for timed OMEN thermal profile
mlx-platform:
- call pci_dev_put() to balance the refcount
thinkpad-acpi:
- Add support for hotkey 0x1401"
* tag 'platform-drivers-x86-v6.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: thinkpad-acpi: Add support for hotkey 0x1401
platform/x86: hp-wmi: mark 8A15 board for timed OMEN thermal profile
platform/x86: mlx-platform: call pci_dev_put() to balance the refcount
- Fix a hang in the "kernel IBT no ENDBR" self-test that may trigger
on FRED systems, caused by incomplete FRED state cleanup in the
#CP fault handler.
- Improve TDX (Coco VM) guest unrecoverable error handling to not
potentially leak decrypted memory.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2024-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
- Fix a hang in the "kernel IBT no ENDBR" self-test that may trigger
on FRED systems, caused by incomplete FRED state cleanup in the
#CP fault handler
- Improve TDX (Coco VM) guest unrecoverable error handling to not
potentially leak decrypted memory
* tag 'x86-urgent-2024-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
virt: tdx-guest: Just leak decrypted memory on unrecoverable errors
x86/fred: Clear WFE in missing-ENDBRANCH #CPs
- Fix Intel Lunar Lake build-in event definitions
- Fall back to (compatible) legacy features on new Intel PEBS
format v6 hardware
- Enable uncore support on Intel Clearwater Forest CPUs, which is the same
as the existing Sierra Forest uncore driver.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2024-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf fixes from Ingo Molnar:
- Fix Intel Lunar Lake build-in event definitions
- Fall back to (compatible) legacy features on new Intel PEBS format v6
hardware
- Enable uncore support on Intel Clearwater Forest CPUs, which is the
same as the existing Sierra Forest uncore driver
* tag 'perf-urgent-2024-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Fix bitmask of OCR and FRONTEND events for LNC
perf/x86/intel/ds: Add PEBS format 6
perf/x86/intel/uncore: Add Clearwater Forest support
in the bcachefs code.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2024-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fix from Ingo Molnar:
"Fix false positive objtool build warning related to a noreturn
function in the bcachefs code"
* tag 'objtool-urgent-2024-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Add bch2_trans_unlocked_error() to bcachefs noreturns
and other misbehavior.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-urgent-2024-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Ingo Molnar:
"Fix missed rtmutex wakeups causing sporadic boot hangs and other
misbehavior"
* tag 'locking-urgent-2024-12-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rtmutex: Make sure we wake anything on the wake_q when we release the lock->wait_lock
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Merge tag 'for-6.13-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few more fixes that accumulated over the last two weeks, fixing some
user reported problems:
- swapfile fixes:
- conditional reschedule in the activation loop
- fix race with memory mapped file when activating
- make activation loop interruptible
- rework and fix extent sharing checks
- folio fixes:
- in send, recheck folio mapping after unlock
- in relocation, recheck folio mapping after unlock
- fix waiting for encoded read io_uring requests
- fix transaction atomicity when enabling simple quotas
- move COW block trace point before the block gets freed
- print various sizes in sysfs with correct endianity"
* tag 'for-6.13-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: sysfs: fix direct super block member reads
btrfs: fix transaction atomicity bug when enabling simple quotas
btrfs: avoid monopolizing a core when activating a swap file
btrfs: allow swap activation to be interruptible
btrfs: fix swap file activation failure due to extents that used to be shared
btrfs: fix race with memory mapped writes when activating swap file
btrfs: check folio mapping after unlock in put_file_data()
btrfs: check folio mapping after unlock in relocate_one_folio()
btrfs: fix use-after-free when COWing tree bock and tracing is enabled
btrfs: fix use-after-free waiting for encoded read endios
i2c-host-fixes (Andi)
- IMX: fixed stop condition in single master mode and added
compatible string for errata adherence.
- Microchip: Added support for proper repeated sends and fixed
unnecessary NAKs on empty messages, which caused false bus
detection.
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Merge tag 'i2c-for-6.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
- IMX: fix stop condition in single master mode and add compatible
string for errata adherence
- Microchip: Add support for proper repeated sends and fix unnecessary
NAKs on empty messages, which caused false bus detection
* tag 'i2c-for-6.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: microchip-core: fix "ghost" detections
i2c: microchip-core: actually use repeated sends
i2c: imx: add imx7d compatible string for applying erratum ERR007805
i2c: imx: fix missing stop condition in single-master mode
F8 mode key on Lenovo 2025 platforms use a different key code.
Adding support for the new keycode 0x1401.
Tested on X1 Carbon Gen 13 and X1 2-in-1 Gen 10.
Signed-off-by: Vishnu Sankar <vishnuocv@gmail.com>
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Link: https://lore.kernel.org/r/20241227231840.21334-1-vishnuocv@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
The HP OMEN 8 (2022), corresponding to a board ID of 8A15, supports OMEN
thermal profile and requires the timed profile quirk.
Upon adding this ID to both the omen_thermal_profile_boards and
omen_timed_thermal_profile_boards, significant bump in performance can be
observed. For instance, SilverBench (https://silver.urih.com/) results
improved from ~56,000 to ~69,000, as a result of higher power draws (and
thus core frequencies) whilst under load:
Package Power:
- Before the patch: ~65W (dropping to about 55W under sustained load).
- After the patch: ~115W (dropping to about 105W under sustained load).
Core Power:
- Before: ~60W (ditto above).
- After: ~108W (ditto above).
Add 8A15 to omen_thermal_profile_boards and
omen_timed_thermal_profile_boards to improve performance.
Signed-off-by: Xi Xiao <1577912515@qq.com>
Signed-off-by: Mingcong Bai <jeffbai@aosc.io>
Link: https://lore.kernel.org/r/20241226062207.3352629-1-jeffbai@aosc.io
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
In CoCo VMs it is possible for the untrusted host to cause
set_memory_decrypted() to fail such that an error is returned
and the resulting memory is shared. Callers need to take care
to handle these errors to avoid returning decrypted (shared)
memory to the page allocator, which could lead to functional
or security issues.
Leak the decrypted memory when set_memory_decrypted() fails,
and don't need to print an error since set_memory_decrypted()
will call WARN_ONCE().
Fixes: f4738f56d1 ("virt: tdx-guest: Add Quote generation support using TSM_REPORTS")
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/all/20240619111801.25630-1-lirongqing%40baidu.com
An indirect branch instruction sets the CPU indirect branch tracker
(IBT) into WAIT_FOR_ENDBRANCH (WFE) state and WFE stays asserted
across the instruction boundary. When the decoder finds an
inappropriate instruction while WFE is set ENDBR, the CPU raises a #CP
fault.
For the "kernel IBT no ENDBR" selftest where #CPs are deliberately
triggered, the WFE state of the interrupted context needs to be
cleared to let execution continue. Otherwise when the CPU resumes
from the instruction that just caused the previous #CP, another
missing-ENDBRANCH #CP is raised and the CPU enters a dead loop.
This is not a problem with IDT because it doesn't preserve WFE and
IRET doesn't set WFE. But FRED provides space on the entry stack
(in an expanded CS area) to save and restore the WFE state, thus the
WFE state is no longer clobbered, so software must clear it.
Clear WFE to avoid dead looping in ibt_clear_fred_wfe() and the
!ibt_fatal code path when execution is allowed to continue.
Clobbering WFE in any other circumstance is a security-relevant bug.
[ dhansen: changelog rewording ]
Fixes: a5f6c2ace9 ("x86/shstk: Add user control-protection fault handler")
Signed-off-by: Xin Li (Intel) <xin@zytor.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/all/20241113175934.3897541-1-xin%40zytor.com
Before commit:
f5d39b0208 ("freezer,sched: Rewrite core freezer logic")
the frozen task stat was reported as 'D' in cgroup v1.
However, after rewriting the core freezer logic, the frozen task stat is
reported as 'R'. This is confusing, especially when a task with stat of
'S' is frozen.
This bug can be reproduced with these steps:
$ cd /sys/fs/cgroup/freezer/
$ mkdir test
$ sleep 1000 &
[1] 739 // task whose stat is 'S'
$ echo 739 > test/cgroup.procs
$ echo FROZEN > test/freezer.state
$ ps -aux | grep 739
root 739 0.1 0.0 8376 1812 pts/0 R 10:56 0:00 sleep 1000
As shown above, a task whose stat is 'S' was changed to 'R' when it was
frozen.
To solve this regression, simply maintain the same reported state as
before the rewrite.
[ mingo: Enhanced the changelog and comments ]
Fixes: f5d39b0208 ("freezer,sched: Rewrite core freezer logic")
Signed-off-by: Chen Ridong <chenridong@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Michal Koutný <mkoutny@suse.com>
Link: https://lore.kernel.org/r/20241217004818.3200515-1-chenridong@huaweicloud.com
Fix the following objtool warning during build time:
fs/bcachefs/btree_trans_commit.o: warning: objtool: bch2_trans_commit_write_locked.isra.0() falls through to next function do_bch2_trans_commit.isra.0()
fs/bcachefs/btree_trans_commit.o: warning: objtool: .text: unexpected end of section
......
fs/bcachefs/btree_update.o: warning: objtool: bch2_trans_update_get_key_cache() falls through to next function flush_new_cached_update()
fs/bcachefs/btree_update.o: warning: objtool: flush_new_cached_update() falls through to next function bch2_trans_update_by_path()
bch2_trans_unlocked_error() is an Obviously Correct (tm) panic() wrapper,
add it to the list of known noreturns.
[ mingo: Improved the changelog ]
Fixes: fd104e2967 ("bcachefs: bch2_trans_verify_not_unlocked()")
Signed-off-by: chenchangcheng <chenchangcheng@kylinos.cn>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20241220074847.3418134-1-ccc194101@163.com
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Merge tag '6.13-rc4-SMB3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- fix caching of files that will be reused for write
- minor cleanup
* tag '6.13-rc4-SMB3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Remove unused is_server_using_iface()
smb: enable reuse of deferred file handles for write operations
- Fix rtla divide by zero when the count is zero in histograms
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Merge tag 'trace-tools-v6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing tool fix from Steven Rostedt:
- Fix rtla divide by zero when the count is zero in histograms
* tag 'trace-tools-v6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
rtla/timerlat: Fix histogram ALL for zero samples
- IMX: fixed stop condition in single master mode and added
compatible string for errata adherence.
- Microchip: Added support for proper repeated sends and fixed
unnecessary NAKs on empty messages, which caused false bus
detection.
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Merge tag 'i2c-host-fixes-6.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.13-rc5
- IMX: fixed stop condition in single master mode and added
compatible string for errata adherence.
- Microchip: Added support for proper repeated sends and fixed
unnecessary NAKs on empty messages, which caused false bus
detection.
- Add close() callback in vas_vm_ops struct for proper cleanup
Thanks to: Haren Myneni
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Merge tag 'powerpc-6.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Madhavan Srinivasan:
- Add close() callback in vas_vm_ops struct for proper cleanup
Thanks to Haren Myneni.
* tag 'powerpc-6.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/pseries/vas: Add close() callback in vas_vm_ops struct
- tracing/kprobes: Change the priority of the module callback of kprobe
events so that it is called after the jump label list on the module is
updated. This ensures the kprobe can check whether it is not on the
jump label address correctly.
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Merge tag 'probes-fixes-v6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes fix from Masami Hiramatsu:
"Change the priority of the module callback of kprobe events so that it
is called after the jump label list on the module is updated.
This ensures the kprobe can check whether it is not on the jump label
address correctly"
* tag 'probes-fixes-v6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/kprobe: Make trace_kprobe's module callback called after jump_label update
- Add "const" to "char *" in event structure field that gets assigned
literals.
- Check size of input passed into the tracing cpumask file.
If a too large of an input gets passed into the cpumask file, it could
trigger a warning in the bitmask parsing code.
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Merge tag 'trace-v6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
"Two minor tracing fixes:
- Add "const" to "char *" in event structure field that gets assigned
literals.
- Check size of input passed into the tracing cpumask file.
If a too large of an input gets passed into the cpumask file, it
could trigger a warning in the bitmask parsing code"
* tag 'trace-v6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Prevent bad count for tracing_cpumask_write
tracing: Constify string literal data member in struct trace_event_call
rtla timerlat hist currently computers the minimum, maximum and average
latency even in cases when there are zero samples. This leads to
nonsensical values being calculated for maximum and minimum, and to
divide by zero for average.
A similar bug is fixed by 01b05fc0e5 ("rtla/timerlat: Fix histogram
report when a cpu count is 0") but the bug still remains for printing
the sum over all CPUs in timerlat_print_stats_all.
The issue can be reproduced with this command:
$ rtla timerlat hist -U -d 1s
Index
over:
count:
min:
avg:
max:
Floating point exception (core dumped)
(There are always no samples with -U unless the user workload is
created.)
Fix the bug by omitting max/min/avg when sample count is zero,
displaying a dash instead, just like we already do for the individual
CPUs. The logic is moved into a new function called
format_summary_value, which is used for both the individual CPUs
and for the overall summary.
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/20241127134130.51171-1-tglozar@redhat.com
Fixes: 1462501c7a ("rtla/timerlat: Add a summary for hist mode")
Signed-off-by: Tomas Glozar <tglozar@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
A collection of small fixes. Nothing really stands out, fortunately.
- Follow-up fixes for the new compress offload API extension
- A few ASoC SOF, AMD and Mediatek quirks and fixes
- A regression fix in legacy SH driver cleanup
- Fix DMA mapping error handling in the helper code
- Fix kselftest dependency
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Merge tag 'sound-6.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes. Nothing really stands out, fortunately.
- Follow-up fixes for the new compress offload API extension
- A few ASoC SOF, AMD and Mediatek quirks and fixes
- A regression fix in legacy SH driver cleanup
- Fix DMA mapping error handling in the helper code
- Fix kselftest dependency"
* tag 'sound-6.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: sh: Fix wrong argument order for copy_from_iter()
selftests/alsa: Fix circular dependency involving global-timer
ALSA: memalloc: prefer dma_mapping_error() over explicit address checking
ALSA: compress_offload: improve file descriptors installation for dma-buf
ALSA: compress_offload: use safe list iteration in snd_compr_task_seq()
ALSA: compress_offload: avoid 64-bit get_user()
ALSA: compress_offload: import DMA_BUF namespace
ASoC: mediatek: disable buffer pre-allocation
ASoC: rt722: add delay time to wait for the calibration procedure
ASoC: SOF: Intel: hda-dai: Do not release the link DMA on STOP
ASoC: dt-bindings: realtek,rt5645: Fix CPVDD voltage comment
ASoC: Intel: sof_sdw: Fix DMI match for Lenovo 21QA and 21QB
ASoC: Intel: sof_sdw: Fix DMI match for Lenovo 21Q6 and 21Q7
ASoC: amd: ps: Fix for enabling DMIC on acp63 platform via _DSD entry
- devm_phy_xxx fixes for few APIs in the phy core
- qmp driver register name config
- init sequence fix for usb driver
- rockchip driver setting drvdata correctly in samsung hdptx and reset
fix for naneng combophy
- regulator dependency fix for mediatek hdmi driver
- overflow assertion fix for stm32 driver
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Merge tag 'phy-fixes-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy fixes from Vinod Koul:
"A few core API fixes for devm calls and bunch of driver fixes as
usual:
- devm_phy_xxx fixes for few APIs in the phy core
- qmp driver register name config
- init sequence fix for usb driver
- rockchip driver setting drvdata correctly in samsung hdptx and
reset fix for naneng combophy
- regulator dependency fix for mediatek hdmi driver
- overflow assertion fix for stm32 driver"
* tag 'phy-fixes-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy:
phy: mediatek: phy-mtk-hdmi: add regulator dependency
phy: freescale: fsl-samsung-hdmi: Fix 64-by-32 division cocci warnings
phy: core: Fix an OF node refcount leakage in of_phy_provider_lookup()
phy: core: Fix an OF node refcount leakage in _of_phy_get()
phy: core: Fix that API devm_phy_destroy() fails to destroy the phy
phy: core: Fix that API devm_of_phy_provider_unregister() fails to unregister the phy provider
phy: core: Fix that API devm_phy_put() fails to release the phy
phy: rockchip: samsung-hdptx: Set drvdata before enabling runtime PM
phy: stm32: work around constant-value overflow assertion
phy: qcom-qmp: Fix register name in RX Lane config of SC8280XP
phy: rockchip: naneng-combphy: fix phy reset
phy: usb: Toggle the PHY power during init
BUG: KASAN: slab-use-after-free in __lock_acquire+0x370b/0x4a10 kernel/locking/lockdep.c:5089
Call Trace:
<TASK>
...
_raw_spin_lock_irqsave+0x3d/0x60 kernel/locking/spinlock.c:162
class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:551 [inline]
try_to_wake_up+0xb5/0x23c0 kernel/sched/core.c:4205
io_sq_thread_park+0xac/0xe0 io_uring/sqpoll.c:55
io_sq_thread_finish+0x6b/0x310 io_uring/sqpoll.c:96
io_sq_offload_create+0x162/0x11d0 io_uring/sqpoll.c:497
io_uring_create io_uring/io_uring.c:3724 [inline]
io_uring_setup+0x1728/0x3230 io_uring/io_uring.c:3806
...
Kun Hu reports that the SQPOLL creating error path has UAF, which
happens if io_uring_alloc_task_context() fails and then io_sq_thread()
manages to run and complete before the rest of error handling code,
which means io_sq_thread_finish() is looking at already killed task.
Note that this is mostly theoretical, requiring fault injection on
the allocation side to trigger in practice.
Cc: stable@vger.kernel.org
Reported-by: Kun Hu <huk23@m.fudan.edu.cn>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/0f2f1aa5729332612bd01fe0f2f385fd1f06ce7c.1735231717.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Inside ublk_abort_requests(), gendisk is grabbed for aborting all
inflight requests. And ublk_abort_requests() is called when exiting
the uring context or handling timeout.
If add_disk() fails, the gendisk may have been freed when calling
ublk_abort_requests(), so use-after-free can be caused when getting
disk's reference in ublk_abort_requests().
Fixes the bug by detaching gendisk from ublk device if add_disk() fails.
Fixes: bd23f6c2c2 ("ublk: quiesce request queue when aborting queue")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241225110640.351531-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Running i2c-detect currently produces an output akin to:
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: 08 -- 0a -- 0c -- 0e --
10: 10 -- 12 -- 14 -- 16 -- UU 19 -- 1b -- 1d -- 1f
20: -- 21 -- 23 -- 25 -- 27 -- 29 -- 2b -- 2d -- 2f
30: -- -- -- -- -- -- -- -- 38 -- 3a -- 3c -- 3e --
40: 40 -- 42 -- 44 -- 46 -- 48 -- 4a -- 4c -- 4e --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: 60 -- 62 -- 64 -- 66 -- 68 -- 6a -- 6c -- 6e --
70: 70 -- 72 -- 74 -- 76 --
This happens because for an i2c_msg with a len of 0 the driver will
mark the transmission of the message as a success once the START has
been sent, without waiting for the devices on the bus to respond with an
ACK/NAK. Since i2cdetect seems to run in a tight loop over all addresses
the NAK is treated as part of the next test for the next address.
Delete the fast path that marks a message as complete when idev->msg_len
is zero after sending a START/RESTART since this isn't a valid scenario.
CC: stable@vger.kernel.org
Fixes: 64a6f1c498 ("i2c: add support for microchip fpga i2c controllers")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20241218-outbid-encounter-b2e78b1cc707@spud
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
At present, where repeated sends are intended to be used, the
i2c-microchip-core driver sends a stop followed by a start. Lots of i2c
devices must not malfunction in the face of this behaviour, because the
driver has operated like this for years! Try to keep track of whether or
not a repeated send is required, and suppress sending a stop in these
cases.
CC: stable@vger.kernel.org
Fixes: 64a6f1c498 ("i2c: add support for microchip fpga i2c controllers")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20241218-football-composure-e56df2461461@spud
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Compatible string "fsl,imx7d-i2c" is not exited at i2c-imx driver
compatible string table, at the result, "fsl,imx21-i2c" will be
matched, but it will cause erratum ERR007805 not be applied in fact.
So Add "fsl,imx7d-i2c" compatible string in i2c-imx driver to apply
the erratum ERR007805(https://www.nxp.com/docs/en/errata/IMX7DS_3N09P.pdf).
"
ERR007805 I2C: When the I2C clock speed is configured for 400 kHz,
the SCL low period violates the I2C spec of 1.3 uS min
Description: When the I2C module is programmed to operate at the
maximum clock speed of 400 kHz (as defined by the I2C spec), the SCL
clock low period violates the I2C spec of 1.3 uS min. The user must
reduce the clock speed to obtain the SCL low time to meet the 1.3us
I2C minimum required. This behavior means the SoC is not compliant
to the I2C spec at 400kHz.
Workaround: To meet the clock low period requirement in fast speed
mode, SCL must be configured to 384KHz or less.
"
"fsl,imx7d-i2c" already is documented in binding doc. This erratum
fix has been included in imx6_i2c_hwdata and it is the same in all
I.MX6/7/8, so just reuse it.
Fixes: 39c025721d ("i2c: imx: Implement errata ERR007805 or e7805 bus frequency limit")
Cc: stable@vger.kernel.org # v5.18+
Signed-off-by: Carlos Song <carlos.song@nxp.com>
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Fixes: 39c025721d ("i2c: imx: Implement errata ERR007805 or e7805 bus frequency limit")
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/r/20241218044238.143414-1-carlos.song@nxp.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
A regression was introduced with the implementation of single-master
mode, preventing proper stop conditions from being generated. Devices
that require a valid stop condition, such as EEPROMs, fail to function
correctly as a result.
The issue only affects devices with the single-master property enabled.
This commit resolves the issue by re-enabling I2C bus busy bit (IBB)
polling for single-master mode when generating a stop condition. The fix
further ensures that the i2c_imx->stopped flag is cleared at the start
of each transfer, allowing the stop condition to be correctly generated
in i2c_imx_stop().
According to the reference manual (IMX8MMRM, Rev. 2, 09/2019, page
5270), polling the IBB bit to determine if the bus is free is only
necessary in multi-master mode. Consequently, the IBB bit is not polled
for the start condition in single-master mode.
Fixes: 6692694aca ("i2c: imx: do not poll for bus busy in single master mode")
Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20241216151829.74056-1-eichest@gmail.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
actions, and W=1 warning) as well as a cast to avoid overflows in an mtd
device driver.
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Merge tag 'mtd/fixes-for-6.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull mtd fixes from Miquel Raynal:
"Four minor fixes for NAND controller drivers (cleanup path, double
actions, and W=1 warning) as well as a cast to avoid overflows in an
mtd device driver"
* tag 'mtd/fixes-for-6.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: rawnand: omap2: Fix build warnings with W=1
mtd: rawnand: arasan: Fix missing de-registration of NAND
mtd: rawnand: arasan: Fix double assertion of chip-select
mtd: diskonchip: Cast an operand to prevent potential overflow
mtd: rawnand: fix double free in atmel_pmecc_create_user()
The driver no longer builds when regulator support is unavailable:
arm-linux-gnueabi-ld: drivers/phy/mediatek/phy-mtk-hdmi.o: in function `mtk_hdmi_phy_register_regulators':
phy-mtk-hdmi.c:(.text.unlikely+0x3e): undefined reference to `devm_regulator_register'
arm-linux-gnueabi-ld: drivers/phy/mediatek/phy-mtk-hdmi-mt8195.o: in function `mtk_hdmi_phy_pwr5v_is_enabled':
phy-mtk-hdmi-mt8195.c:(.text+0x326): undefined reference to `rdev_get_drvdata'
arm-linux-gnueabi-ld: drivers/phy/mediatek/phy-mtk-hdmi-mt8195.o: in function `mtk_hdmi_phy_pwr5v_disable':
phy-mtk-hdmi-mt8195.c:(.text+0x346): undefined reference to `rdev_get_drvdata'
arm-linux-gnueabi-ld: drivers/phy/mediatek/phy-mtk-hdmi-mt8195.o: in function `mtk_hdmi_phy_pwr5v_enable':
Fixes: 49393b2da1cd ("phy: mediatek: phy-mtk-hdmi: Register PHY provided regulator")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20241213083056.2596499-1-arnd@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The Kernel test robot returns the following warning:
do_div() does a 64-by-32 division, please consider using div64_ul instead.
To prevent the 64-by-32 divsion, consolidate both the multiplication
and the do_div into one line which explicitly uses u64 sizes.
Fixes: 1951dbb41d ("phy: freescale: fsl-samsung-hdmi: Support dynamic integer")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202412091243.fSObwwPi-lkp@intel.com/
Link: https://lore.kernel.org/r/20241215220555.99113-1-aford173@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
For macro for_each_child_of_node(parent, child), refcount of @child has
been increased before entering its loop body, so normally needs to call
of_node_put(@child) before returning from the loop body to avoid refcount
leakage.
of_phy_provider_lookup() has such usage but does not call of_node_put()
before returning, so cause leakage of the OF node refcount.
Fix by simply calling of_node_put() before returning from the loop body.
The APIs affected by this issue are shown below since they indirectly
invoke problematic of_phy_provider_lookup().
phy_get()
of_phy_get()
devm_phy_get()
devm_of_phy_get()
devm_of_phy_get_by_index()
Fixes: 2a4c37016c ("phy: core: Fix of_phy_provider_lookup to return PHY provider for sub node")
Cc: stable@vger.kernel.org
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20241213-phy_core_fix-v6-5-40ae28f5015a@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
_of_phy_get() will directly return when suffers of_device_is_compatible()
error, but it forgets to decrease refcount of OF node @args.np before error
return, the refcount was increased by previous of_parse_phandle_with_args()
so causes the OF node's refcount leakage.
Fix by decreasing the refcount via of_node_put() before the error return.
Fixes: b7563e2796 ("phy: work around 'phys' references to usb-nop-xceiv devices")
Cc: stable@vger.kernel.org
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20241213-phy_core_fix-v6-4-40ae28f5015a@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
For devm_phy_destroy(), its comment says it needs to invoke phy_destroy()
to destroy the phy, but it will not actually invoke the function since
devres_destroy() does not call devm_phy_consume(), and the missing
phy_destroy() call will cause that the phy fails to be destroyed.
Fortunately, the faulty API has not been used by current kernel tree.
Fix by using devres_release() instead of devres_destroy() within the API.
Fixes: ff76496347 ("drivers: phy: add generic PHY framework")
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20241213-phy_core_fix-v6-3-40ae28f5015a@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
For devm_of_phy_provider_unregister(), its comment says it needs to invoke
of_phy_provider_unregister() to unregister the phy provider, but it will
not actually invoke the function since devres_destroy() does not call
devm_phy_provider_release(), and the missing of_phy_provider_unregister()
call will cause:
- The phy provider fails to be unregistered.
- Leak both memory and the OF node refcount.
Fortunately, the faulty API has not been used by current kernel tree.
Fix by using devres_release() instead of devres_destroy() within the API.
Fixes: ff76496347 ("drivers: phy: add generic PHY framework")
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/stable/20241213-phy_core_fix-v6-2-40ae28f5015a%40quicinc.com
Link: https://lore.kernel.org/r/20241213-phy_core_fix-v6-2-40ae28f5015a@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
For devm_phy_put(), its comment says it needs to invoke phy_put() to
release the phy, but it will not actually invoke the function since
devres_destroy() does not call devm_phy_release(), and the missing
phy_put() call will cause:
- The phy fails to be released.
- devm_phy_put() can not fully undo what API devm_phy_get() does.
- Leak refcount of both the module and device for below typical usage:
devm_phy_get(); // or its variant
...
err = do_something();
if (err)
goto err_out;
...
err_out:
devm_phy_put(); // leak refcount here
The file(s) affected by this issue are shown below since they have such
typical usage.
drivers/pci/controller/cadence/pcie-cadence.c
drivers/net/ethernet/ti/am65-cpsw-nuss.c
Fix by using devres_release() instead of devres_destroy() within the API.
Fixes: ff76496347 ("drivers: phy: add generic PHY framework")
Cc: stable@vger.kernel.org
Cc: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: Krzysztof Wilczyński <kw@linux.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20241213-phy_core_fix-v6-1-40ae28f5015a@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Currently, the driver does not return the correct DMA status when a DMA
pause is issued by the client drivers. This causes GPCDMA users to
assume that DMA is still running, while in reality, the DMA is paused.
Return DMA_PAUSED for tx_status() if the channel is paused in the middle
of a transfer.
Fixes: ee17028009 ("dmaengine: tegra: Add tegra gpcdma driver")
Cc: stable@vger.kernel.org
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Signed-off-by: Kartik Rajput <kkartik@nvidia.com>
Link: https://lore.kernel.org/r/20241212124412.5650-1-kkartik@nvidia.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The for_each_child_of_node() loop requires explicit calls to
of_node_put() to decrement the child's refcount upon early exits (break,
goto, return).
Add the missing calls in the two early exits before the goto
instructions.
Cc: stable@vger.kernel.org
Fixes: f7d12ef53d ("dma: mv_xor: add Device Tree binding")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20241011-dma_mv_xor_of_node_put-v1-1-3c2de819f463@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Current implementation of fsl_edma3_attach_pd() does not provide a
cleanup path, resulting in a memory leak. For example,
dev_pm_domain_detach() is not called after dev_pm_domain_attach_by_id(),
and the device link created with the DL_FLAG_STATELESS is not released
explicitly.
Therefore, provide a cleanup function fsl_edma3_detach_pd() and call it
upon failure. Also add a devm_add_action_or_reset() call with this
function after a successful fsl_edma3_attach_pd().
Fixes: 72f5801a4e ("dmaengine: fsl-edma: integrate v3 support")
Signed-off-by: Joe Hattori <joe@pf.is.s.u-tokyo.ac.jp>
Link: https://lore.kernel.org/r/20241221075712.3297200-1-joe@pf.is.s.u-tokyo.ac.jp
Signed-off-by: Vinod Koul <vkoul@kernel.org>
