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63038f6e96
linux/sound
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Fabio M. De Francesco 63038f6e96 ALSA: pcm: Test for "silence" field in struct "pcm_format_data" 
commit 2f7a26abb8 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
..
ac97 bus: Make remove callback return void 2021-07-21 11:53:42 +02:00
aoa Kbuild updates for v5.15 2021-09-03 15:33:47 -07:00
arm ALSA: pxa2xx: Use managed PCM buffer allocation 2021-08-04 08:08:21 +02:00
atmel
core ALSA: pcm: Test for "silence" field in struct "pcm_format_data" 2022-04-20 09:34:19 +02:00
drivers ALSA: mtpav: Don't call card private_free at probe error path 2022-04-20 09:34:12 +02:00
firewire ALSA: firewire-lib: fix uninitialized flag for AV/C deferred transaction 2022-04-08 14:23:20 +02:00
hda ALSA: hda: Make proper use of timecounter 2022-01-27 11:04:07 +01:00
i2c ALSA: i2c: tea6330t: Remove redundant initialization of variable err 2021-06-12 09:32:14 +02:00
isa ALSA: sc6000: Fix the missing snd_card_free() call at probe error 2022-04-20 09:34:08 +02:00
mips ALSA: n64: check return value after calling platform_get_resource() 2021-06-12 09:31:13 +02:00
oss sound/oss/dmasound: Remove superfluous "break" 2021-05-27 08:24:23 +02:00
parisc parisc architecture updates for kernel 5.15: 2021-09-02 13:16:00 -07:00
pci ALSA: hda/realtek: add quirk for Lenovo Thinkpad X12 speakers 2022-04-20 09:34:19 +02:00
pcmcia ALSA: vx: Manage vx_core object with devres 2021-07-19 16:17:09 +02:00
ppc ALSA: ppc: fix error return code in snd_pmac_probe() 2021-06-16 08:52:29 +02:00
sh module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
soc ASoC: topology: Allow TLV control to be either read or write 2022-04-08 14:24:15 +02:00
sparc ALSA: sparc: Fix assignment in if condition 2021-06-09 17:30:29 +02:00
spi ALSA: spi: Add check for clk_enable() 2022-04-08 14:23:19 +02:00
synth ALSA: synth: missing check for possible NULL after the call to kstrdup 2021-11-18 19:15:55 +01:00
usb ALSA: usb-audio: Limit max buffer and period sizes per time 2022-04-20 09:34:13 +02:00
virtio ALSA: virtio: fix kernel-doc 2021-04-27 08:39:39 +02:00
x86 ALSA: intel_hdmi: Fix the missing snd_card_free() call at probe error 2022-04-20 09:34:07 +02:00
xen module: remove never implemented MODULE_SUPPORTED_DEVICE 2021-03-17 13:16:18 -07:00
ac97_bus.c
Kconfig ALSA: virtio: add virtio sound driver 2021-03-07 09:07:16 +01:00
last.c
Makefile ALSA: virtio: add virtio sound driver 2021-03-07 09:07:16 +01:00
sound_core.c