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| author |   Takashi Iwai <tiwai@suse.de> | 2020-12-09 09:45:51 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2020-12-14 09:10:25 +0100 |
| commit | 43d5ca88dfcd35e43010fdd818e067aa9a55f5ba (patch) | |
| tree | 8525fc0223f857d2c48057c2b066784b0a224fcf /sound/core | |
| parent | Merge branch 'for-linus' into for-next (diff) | |
| download | linux-dev-43d5ca88dfcd35e43010fdd818e067aa9a55f5ba.tar.xz linux-dev-43d5ca88dfcd35e43010fdd818e067aa9a55f5ba.zip | |
ALSA: usb-audio: Fix potential out-of-bounds shift
syzbot spotted a potential out-of-bounds shift in the USB-audio format
parser that receives the arbitrary shift value from the USB
descriptor.
Add a range check for avoiding the undefined behavior.
Reported-by: syzbot+df7dc146ebdd6435eea3@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201209084552.17109-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core')
0 files changed, 0 insertions, 0 deletions