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63038f6e96a77a0abf8083649c53e6a72c1a0124
kernel_arpi/sound/core
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Fabio M. De Francesco 63038f6e96 ALSA: pcm: Test for "silence" field in struct "pcm_format_data" 
commit 2f7a26abb8241a0208c68d22815aa247c5ddacab upstream.

Syzbot reports "KASAN: null-ptr-deref Write in
snd_pcm_format_set_silence".[1]

It is due to missing validation of the "silence" field of struct
"pcm_format_data" in "pcm_formats" array.

Add a test for valid "pat" and, if it is not so, return -EINVAL.

[1] https://lore.kernel.org/lkml/000000000000d188ef05dc2c7279@google.com/

Reported-and-tested-by: syzbot+205eb15961852c2c5974@syzkaller.appspotmail.com
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220409012655.9399-1-fmdefrancesco@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-20 09:34:19 +02:00
..
oss
ALSA: oss: Fix PCM OSS buffer allocation overflow
2022-03-28 09:58:43 +02:00
seq
ALSA: seq: Set upper limit of processed events
2022-01-27 11:05:00 +01:00
compress_offload.c
ALSA: compress: Initialize mutex in snd_compress_new()
2021-07-15 10:22:38 +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
control.c
ALSA: control: Minor optimization for SNDRV_CTL_IOCTL_POWER_STATE
2021-05-25 08:49:06 +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_compat.c
ALSA: compat_ioctl: avoid compat_alloc_user_space
2020-09-21 10:37:07 +02:00
hwdep.c
ALSA: core: Fix assignment in if condition
2021-06-09 17:30:22 +02:00
info_oss.c
ALSA: core: Fix assignment in if condition
2021-06-09 17:30:22 +02:00
info.c
isystem: trim/fixup stdarg.h and other headers
2021-08-19 09:02:55 +09:00
init.c
ALSA: core: Add snd_card_free_on_error() helper
2022-04-20 09:34:05 +02:00
isadma.c
ALSA: core: Add device-managed request_dma()
2021-07-19 16:16:34 +02:00
jack.c
ALSA: jack: Add missing rwsem around snd_ctl_remove() calls
2022-01-27 11:04:04 +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_local.h
ALSA: memalloc: Minor refactoring
2021-08-04 08:07:46 +02:00
memalloc.c
ALSA: memalloc: Catch call with NULL snd_dma_buffer pointer
2021-11-18 19:17:08 +01:00
memory.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
misc.c
ALSA: core: Fix SSID quirk lookup for subvendor=0
2022-01-27 11:02:47 +01:00
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 potential AB/BA lock with buffer_mutex and mmap_lock
2022-04-08 14:22:55 +02:00
pcm_local.h
ALSA: core: Abstract memory alloc helpers
2021-06-10 10:15:21 +02:00
pcm_memory.c
ALSA: pcm: Fix races among concurrent prealloc proc writes
2022-03-28 09:58:44 +02:00
pcm_misc.c
ALSA: pcm: Test for "silence" field in struct "pcm_format_data"
2022-04-20 09:34:19 +02:00
pcm_native.c
ALSA: pcm: Fix potential AB/BA lock with buffer_mutex and mmap_lock
2022-04-08 14:22:55 +02:00
pcm_param_trace.h
…
pcm_timer.c
ALSA: timer: Constify snd_timer_hardware definitions
2020-01-03 09:24:07 +01:00
pcm_trace.h
…
pcm.c
ALSA: pcm: Fix potential AB/BA lock with buffer_mutex and mmap_lock
2022-04-08 14:22:55 +02:00
rawmidi_compat.c
ALSA: rawmidi: Add framing mode
2021-05-17 16:02:44 +02:00
rawmidi.c
ALSA: rawmidi - fix the uninitalized user_pversion
2021-12-29 12:28:50 +01:00
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_oss.c
ALSA: core: Fix assignment in if condition
2021-06-09 17:30:22 +02:00
sound.c
ALSA: core: Fix assignment in if condition
2021-06-09 17:30:22 +02:00
timer_compat.c
ALSA: Convert strlcpy to strscpy when return value is unused
2021-01-08 09:30:05 +01:00
timer.c
ALSA: timer: Unconditionally unlink slave instances, too
2021-11-18 19:15:55 +01:00
vmaster.c
ALSA: Replace the word "slave" in vmaster API
2020-07-20 10:10:47 +02:00