diff options
| author | Changming Liu | 2020-05-26 00:39:21 +0000 |
|---|---|---|
| committer | Takashi Iwai | 2020-05-26 08:18:24 +0200 |
| commit | fb8cd6481ffd126f35e9e146a0dcf0c4e8899f2e (patch) | |
| tree | 11ad21509a11fbbde361a819ad867e7d54531236 /sound/pci | |
| parent | 259eb82475316672a5d682a94dc8bdd53cf8d8c3 (diff) | |
ALSA: hwdep: fix a left shifting 1 by 31 UB bug
The "info.index" variable can be 31 in "1 << info.index".
This might trigger an undefined behavior since 1 is signed.
Fix this by casting 1 to 1u just to be sure "1u << 31" is defined.
Signed-off-by: Changming Liu <liu.changm@northeastern.edu>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/BL0PR06MB4548170B842CB055C9AF695DE5B00@BL0PR06MB4548.namprd06.prod.outlook.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
0 files changed, 0 insertions, 0 deletions