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c305366a37
linux/sound/isa/sb
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Takashi Iwai c305366a37 ALSA: sb: Fix potential double-free of CSP mixer elements 
snd_sb_qsound_destroy() contains the calls of removing the previously
created mixer controls, but it doesn't clear the pointers.  As
snd_sb_qsound_destroy() itself may be repeatedly called via ioctl,
this could lead to double-free potentially.

Fix it by clearing the struct fields properly afterwards.

Link: https://lore.kernel.org/r/20210608140540.17885-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-06-09 17:29:38 +02:00
..
emu8000_callback.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
emu8000_local.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
emu8000_patch.c ALSA: sb: Fix assignment in if condition 2021-06-09 17:29:35 +02:00
emu8000_pcm.c ALSA: sb: Fix assignment in if condition 2021-06-09 17:29:35 +02:00
emu8000_synth.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
emu8000.c ALSA: sb: Minor coding style fixes 2021-06-09 17:29:37 +02:00
jazz16.c module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sb8_main.c ALSA: sb: Fix assignment in if condition 2021-06-09 17:29:35 +02:00
sb8_midi.c ALSA: sb: Fix assignment in if condition 2021-06-09 17:29:35 +02:00
sb8.c ALSA: sb: Fix assignment in if condition 2021-06-09 17:29:35 +02:00
sb16_csp.c ALSA: sb: Fix potential double-free of CSP mixer elements 2021-06-09 17:29:38 +02:00
sb16_main.c ALSA: sb: Fix assignment in if condition 2021-06-09 17:29:35 +02:00
sb16.c ALSA: sb: Fix assignment in if condition 2021-06-09 17:29:35 +02:00
sb_common.c ALSA: sb: Fix assignment in if condition 2021-06-09 17:29:35 +02:00
sb_mixer.c ALSA: sb: Fix assignment in if condition 2021-06-09 17:29:35 +02:00
sbawe.c