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linux/sound/core/seq
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Takashi Iwai 1f9fc89cbb ALSA: seq: Fix KCSAN data-race warning at snd_seq_fifo_poll_wait() 
snd_seq_fifo_poll_wait() evaluates f->cells without locking after
poll_wait(), and KCSAN doesn't like it as it appears to be a
data-race.  Although this doesn't matter much in practice as the value
is volatile, it's still better to address it for the mind piece.

Wrap it with f->lock spinlock for avoiding the potential data race.

Reported-by: syzbot+c3dbc239259940ededba@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?extid=c3dbc239259940ededba
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2025-09-17 14:14:12 +02:00
..
oss
ALSA: seq: oss/rw: Cleanup with guard
2025-08-29 11:52:36 +02:00
Kconfig
ALSA: seq: Make dependency on UMP clearer
2025-01-01 13:56:48 +01:00
Makefile
ALSA: core: Use *-y instead of *-objs in Makefile
2024-05-08 18:17:32 +02:00
seq_clientmgr.c
ALSA: seq: Clean up fifo locking with guard
2025-08-29 11:52:36 +02:00
seq_clientmgr.h
ALSA: seq: Use auto-cleanup for client refcounting
2025-08-29 11:52:35 +02:00
seq_compat.c
ALSA: seq: core: Use automatic cleanup of kfree()
2024-02-23 10:57:31 +01:00
seq_dummy.c
ALSA: seq: dummy: Allow UMP conversion
2024-04-19 12:11:47 +02:00
seq_fifo.c
ALSA: seq: Fix KCSAN data-race warning at snd_seq_fifo_poll_wait()
2025-09-17 14:14:12 +02:00
seq_fifo.h
ALSA: seq: Clean up fifo locking with guard
2025-08-29 11:52:36 +02:00
seq_info.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
seq_info.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
seq_lock.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
seq_lock.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
seq_memory.c
ALSA: seq: Improve data consistency at polling
2025-03-07 09:44:35 +01:00
seq_memory.h
ALSA: seq: Add UMP support
2023-05-23 12:11:21 +02:00
seq_midi_emul.c
ALSA: Use fallthrough pseudo-keyword
2020-07-09 13:01:29 +02:00
seq_midi_event.c
ALSA: seq: midi: Use guard() for locking
2024-02-28 15:01:22 +01:00
seq_midi.c
ALSA: seq: Use safer strscpy() instead of strcpy()
2025-07-11 09:51:08 +02:00
seq_ports.c
ALSA: seq: Clean up port locking with auto cleanup
2025-08-29 11:52:35 +02:00
seq_ports.h
ALSA: seq: Clean up port locking with auto cleanup
2025-08-29 11:52:35 +02:00
seq_prioq.c
ALSA: seq: prioq: Use guard() for locking
2024-02-28 15:01:22 +01:00
seq_prioq.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
seq_queue.c
ALSA: seq: Clean up queue locking with auto cleanup
2025-08-29 11:52:35 +02:00
seq_queue.h
ALSA: seq: Clean up queue locking with auto cleanup
2025-08-29 11:52:35 +02:00
seq_system.c
ALSA: seq: Use safer strscpy() instead of strcpy()
2025-07-11 09:51:08 +02:00
seq_system.h
ALSA: seq: Notify UMP EP and FB changes
2025-01-12 13:12:21 +01:00
seq_timer.c
ALSA: seq: Clean up queue locking with auto cleanup
2025-08-29 11:52:35 +02:00
seq_timer.h
ALSA: seq: Remove unused declarations
2024-08-17 16:32:31 +02:00
seq_ump_client.c
ALSA: seq: Use safer strscpy() instead of strcpy()
2025-07-11 09:51:08 +02:00
seq_ump_convert.c
ALSA: seq: Fix delivery of UMP events to group ports
2025-05-11 15:58:06 +02:00
seq_ump_convert.h
ALSA: seq: Fix delivery of UMP events to group ports
2025-05-11 15:58:06 +02:00
seq_virmidi.c
ALSA: seq: Use safer strscpy() instead of strcpy()
2025-07-11 09:51:08 +02:00
seq.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00