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linux-stable/sound/core
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Jaroslav Kysela b398fcbe4d ALSA: rawmidi - fix the uninitalized user_pversion 
commit 39a8fc4971 upstream.

The user_pversion was uninitialized for the user space file structure
in the open function, because the file private structure use
kmalloc for the allocation.

The kernel ALSA sequencer code clears the file structure, so no additional
fixes are required.

Cc: stable@kernel.org
Cc: broonie@kernel.org
BugLink: https://github.com/alsa-project/alsa-lib/issues/178
Fixes: 09d2317440 ("ALSA: rawmidi: introduce SNDRV_RAWMIDI_IOCTL_USER_PVERSION")
Reported-by: syzbot+88412ee8811832b00dbe@syzkaller.appspotmail.com
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20211218123925.2583847-1-perex@perex.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-29 12:28:50 +01:00
..
oss ALSA: pcm: oss: Handle missing errors in snd_pcm_oss_change_params*() 2021-12-14 10:57:12 +01:00
seq Merge branch 'for-linus' into for-next 2021-08-09 07:53:22 +02:00
compress_offload.c ALSA: compress: Initialize mutex in snd_compress_new() 2021-07-15 10:22:38 +02:00
control.c ALSA: control: Minor optimization for SNDRV_CTL_IOCTL_POWER_STATE 2021-05-25 08:49:06 +02:00
control_compat.c ALSA: ctl: Fix copy of updated id with element read/write 2021-12-14 10:57:11 +01:00
control_led.c ALSA: core: control_led: use strscpy instead of strlcpy 2021-08-13 08:05:17 +02:00
ctljack.c ALSA: Convert strlcpy to strscpy when return value is unused 2021-01-08 09:30:05 +01:00
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: core: Fix assignment in if condition 2021-06-09 17:30:22 +02:00
hwdep_compat.c ALSA: compat_ioctl: avoid compat_alloc_user_space 2020-09-21 10:37:07 +02:00
info.c isystem: trim/fixup stdarg.h and other headers 2021-08-19 09:02:55 +09:00
info_oss.c ALSA: core: Fix assignment in if condition 2021-06-09 17:30:22 +02:00
init.c ALSA: core: Fix double calls of snd_card_free() via devres 2021-07-31 10:36:06 +02:00
isadma.c ALSA: core: Add device-managed request_dma() 2021-07-19 16:16:34 +02:00
jack.c ALSA: jack: Check the return value of kstrdup() 2021-12-29 12:28:50 +01:00
Kconfig ALSA: control - add generic LED trigger module as the new control layer 2021-03-30 15:33:58 +02:00
Makefile ALSA: ISA: not for M68K 2021-11-25 09:48:28 +01:00
memalloc.c ALSA: memalloc: Catch call with NULL snd_dma_buffer pointer 2021-11-18 19:17:08 +01:00
memalloc_local.h ALSA: memalloc: Minor refactoring 2021-08-04 08:07:46 +02:00
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: pcm: use DEVICE_ATTR_RO macro 2021-05-25 09:00:04 +02:00
pcm_compat.c ALSA: pcm: Workaround for a wrong offset in SYNC_PTR compat ioctl 2021-10-11 18:10:47 +02:00
pcm_dmaengine.c ASoC: dmaengine_pcm: add peripheral configuration 2021-02-05 17:16:41 +00:00
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: iec958: Split status creation and fill 2021-06-08 17:05:41 +02:00
pcm_lib.c ALSA: pcm: fix divide error in snd_pcm_lib_ioctl 2021-08-27 22:34:12 +02:00
pcm_local.h ALSA: core: Abstract memory alloc helpers 2021-06-10 10:15:21 +02:00
pcm_memory.c ALSA: pcm: Allow exact buffer preallocation 2021-08-04 08:08:06 +02:00
pcm_misc.c ALSA: pcm: Fix assignment in if condition 2021-06-09 17:30:24 +02:00
pcm_native.c ALSA: pcm: Add SNDRV_PCM_INFO_EXPLICIT_SYNC flag 2021-08-14 08:38:25 +02:00
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 - fix the uninitalized user_pversion 2021-12-29 12:28:50 +01:00
rawmidi_compat.c ALSA: rawmidi: Add framing mode 2021-05-17 16:02:44 +02:00
seq_device.c ALSA: seq: Fix a potential UAF by wrong private_free call order 2021-09-30 14:13:22 +02:00
sgbuf.c ALSA: memalloc: Fix mmap of SG-buffer with WC pages 2021-08-08 10:01:33 +02:00
sound.c ALSA: core: Fix assignment in if condition 2021-06-09 17:30:22 +02:00
sound_oss.c ALSA: core: Fix assignment in if condition 2021-06-09 17:30:22 +02:00
timer.c ALSA: timer: Unconditionally unlink slave instances, too 2021-11-18 19:15:55 +01:00
timer_compat.c ALSA: Convert strlcpy to strscpy when return value is unused 2021-01-08 09:30:05 +01:00
vmaster.c ALSA: Replace the word "slave" in vmaster API 2020-07-20 10:10:47 +02:00