Pavel Skripkin 4b2f167789 ALSA: mixer: fix deadlock in snd_mixer_oss_set_volume ...

commit 3ab7992018 upstream.

In commit 411cef6adf ("ALSA: mixer: oss: Fix racy access to slots")
added mutex protection in snd_mixer_oss_set_volume(). Second
mutex_lock() in same function looks like typo, fix it.

Reported-by: syzbot+ace149a75a9a0a399ac7@syzkaller.appspotmail.com
Fixes: 411cef6adf ("ALSA: mixer: oss: Fix racy access to slots")
Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Link: https://lore.kernel.org/r/20211024140315.16704-1-paskripkin@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-11-17 11:03:26 +01:00

..

copy.c

ALSA: Kill snd_assert() in sound/core/*

2008-08-13 11:46:35 +02:00

io.c

ALSA: pcm: Build OSS writev/readv helpers conditionally

2017-06-02 19:38:26 +02:00

linear.c

ALSA: pcm: oss: Avoid potential buffer overflows

2019-12-04 15:51:30 +01:00

Makefile

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

mixer_oss.c

ALSA: mixer: fix deadlock in snd_mixer_oss_set_volume

2021-11-17 11:03:26 +01:00

mulaw.c

ALSA: pcm: oss: Remove superfluous WARN_ON() for mulaw sanity check

2020-09-01 15:18:33 +02:00

pcm_oss.c

ALSA: oss: Fix assignment in if condition

2021-06-09 17:30:25 +02:00

pcm_plugin.c

ALSA: oss: Fix assignment in if condition

2021-06-09 17:30:25 +02:00

pcm_plugin.h

ALSA: Replace zero-length array with flexible-array

2020-05-07 22:30:36 +02:00

rate.c

ALSA: oss: Use DIV_ROUND_CLOSEST() instead of open-coding it

2020-12-25 09:11:54 +01:00

route.c

ALSA: pcm: oss: Avoid potential buffer overflows

2019-12-04 15:51:30 +01:00