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linux-stable/sound/core
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Takashi Iwai a03241a22a ALSA: seq: oss: Fix missing error check in snd_seq_oss_synth_make_info() 
commit 217bfbb8b0 upstream.

snd_seq_oss_synth_make_info() didn't check the error code from
snd_seq_oss_midi_make_info(), and this leads to the call of strlcpy()
with the uninitialized string as the source, which may lead to the
access over the limit.

Add the proper error check for avoiding the failure.

Reported-by: syzbot+e42504ff21cff05a595f@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210115093428.15882-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-01-27 11:54:51 +01:00
..
oss ALSA: pcm: oss: Fix a few more UBSAN fixes 2020-12-30 11:54:07 +01:00
seq ALSA: seq: oss: Fix missing error check in snd_seq_oss_synth_make_info() 2021-01-27 11:54:51 +01:00
compress_offload.c ALSA: compress_offload: remove redundant initialization 2020-09-03 09:26:27 +02:00
control.c ALSA: ctl: fix error path at adding user-defined element set 2020-11-13 11:33:55 +01:00
control_compat.c ALSA: compat_ioctl: avoid compat_alloc_user_space 2020-09-21 10:37:07 +02:00
ctljack.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
device.c ALSA: core: Add snd_device_get_state() helper 2020-03-23 18:09:19 +01:00
hrtimer.c ALSA: timer: Replace tasklet with work 2020-09-09 18:32:52 +02:00
hwdep.c ALSA: compat_ioctl: avoid compat_alloc_user_space 2020-09-21 10:37:07 +02:00
hwdep_compat.c ALSA: compat_ioctl: avoid compat_alloc_user_space 2020-09-21 10:37:07 +02:00
info.c ALSA: info: Drop WARN_ON() from buffer NULL sanity check 2020-07-17 10:59:38 +02:00
info_oss.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
init.c ALSA: core: init: use DECLARE_COMPLETION_ONSTACK() macro 2020-09-03 09:26:38 +02:00
isadma.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
jack.c ALSA: jack: More constification 2020-01-05 16:14:57 +01:00
Kconfig ALSA: control: Add verification for kctl accesses 2020-01-04 09:37:59 +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
memalloc.c ALSA: core: memalloc: add page alignment for iram 2020-12-30 11:54:08 +01:00
memory.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
misc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
pcm.c ALSA: core: pcm: simplify locking for timers 2020-09-03 09:24:33 +02:00
pcm_compat.c ALSA: pcm: Fix sparse warnings wrt snd_pcm_state_t 2020-01-31 16:23:13 +01:00
pcm_dmaengine.c ALSA: fix kernel-doc markups 2020-10-26 15:26:31 +01:00
pcm_drm_eld.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
pcm_iec958.c ALSA: core: pcm_iec958: fix kernel-doc 2020-07-07 10:22:33 +02:00
pcm_lib.c ALSA: fix kernel-doc markups 2020-10-26 15:26:31 +01:00
pcm_local.h ALSA: pcm: Make snd_pcm_hw_constraints_init() and _complete() static 2020-01-16 17:29:33 +01:00
pcm_memory.c ALSA: core: pcm_memory: dereference pointer after NULL checks 2020-09-03 09:24:58 +02:00
pcm_misc.c ASoC: Updates for v5.7 2020-03-30 13:43:00 +02:00
pcm_native.c ALSA: pcm: Clear the full allocated memory at hw_params 2021-01-06 14:56:56 +01:00
pcm_param_trace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pcm_timer.c ALSA: timer: Constify snd_timer_hardware definitions 2020-01-03 09:24:07 +01:00
pcm_trace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rawmidi.c ALSA: rawmidi: Access runtime->avail always in spinlock 2021-01-06 14:56:52 +01:00
rawmidi_compat.c ALSA: Avoid using timespec for struct snd_rawmidi_status 2019-12-11 22:06:16 +01:00
seq_device.c ALSA: core: Constify snd_device_ops definitions 2020-01-03 09:23:51 +01:00
sgbuf.c ALSA: memalloc: Make SG-buffer helper usable for continuous buffer, too 2020-06-15 18:01:52 +02:00
sound.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
sound_oss.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
timer.c ALSA: timer: Replace tasklet with work 2020-09-09 18:32:52 +02:00
timer_compat.c ALSA: Avoid using timespec for struct snd_timer_tread 2019-12-13 11:25:57 +01:00
vmaster.c ALSA: Replace the word "slave" in vmaster API 2020-07-20 10:10:47 +02:00