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2f38cf730c
linux/sound
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Takashi Iwai 2f38cf730c ALSA: usb: Fix UBSAN warning in parse_audio_unit() 
A malformed USB descriptor may pass the lengthy mixer description with
a lot of channels, and this may overflow the 32bit integer shift
size, as caught by syzbot UBSAN test.  Although this won't cause any
real trouble, it's better to address.

This patch introduces a sanity check of the number of channels to bail
out the parsing when too many channels are found.

Reported-by: syzbot+78d5b129a762182225aa@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/0000000000000adac5061d3c7355@google.com
Link: https://patch.msgid.link/20240715123619.26612-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2024-07-15 16:06:09 +02:00
..
ac97 ALSA: ac97: bus: Add missing module description 2024-05-09 10:13:07 +02:00
aoa ALSA: aoa: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:08 +02:00
arm ASoC: Updates for v6.10 2024-05-13 11:39:49 +02:00
atmel ALSA: misc: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:13 +02:00
core ALSA: seq: Add tempo base unit for MIDI2 Set Tempo messages 2024-07-06 09:38:27 +02:00
drivers ALSA: pcmtest: Add missing module descriptions 2024-05-09 10:13:07 +02:00
firewire ALSA: firewire: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:03 +02:00
hda ALSA: hda: Add input value sanity checks to HDMI channel map controls 2024-06-18 12:00:19 +02:00
i2c ALSA: misc: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:13 +02:00
isa ALSA: sb: Drop NULL check for snd_ctl_remove() 2024-06-18 12:51:50 +02:00
mips ALSA: misc: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:13 +02:00
oss sound/oss/dmasound: add missing MODULE_DESCRIPTION() macro 2024-06-18 11:55:53 +02:00
parisc ALSA: misc: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:13 +02:00
pci Merge branch 'for-next' into for-linus 2024-07-15 08:17:55 +02:00
pcmcia ALSA: misc: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:13 +02:00
ppc ALSA: ppc: keywest: Drop explicit initialization of struct i2c_device_id::driver_data to 0 2024-07-09 09:16:30 +02:00
sh ALSA: misc: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:13 +02:00
soc ASoC: SOF: Intel: hda-pcm: Limit the maximum number of periods by MAX_BDL_ENTRIES 2024-07-04 12:09:11 +01:00
sparc ALSA: misc: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:13 +02:00
spi ALSA: spi: Drop NULL check for snd_ctl_remove() 2024-06-18 12:54:34 +02:00
synth ALSA: misc: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:13 +02:00
usb ALSA: usb: Fix UBSAN warning in parse_audio_unit() 2024-07-15 16:06:09 +02:00
virtio virtio: features, fixes, cleanups 2024-05-23 12:04:36 -07:00
x86 ALSA: misc: Use *-y instead of *-objs in Makefile 2024-05-08 18:18:13 +02:00
xen ALSA: xen-front: remove unused struct 'alsa_sndif_hw_param' 2024-06-13 14:14:46 +02:00
ac97_bus.c ALSA: ac97: legacy: Add missing module description 2024-05-09 10:13:07 +02:00
Kconfig
last.c
Makefile ALSA: core: Use *-y instead of *-objs in Makefile 2024-05-08 18:17:32 +02:00
sound_core.c