]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 1171080) | patch
HID: hid-lg4ff: Add check for empty lbuf
authorAnastasia Belova <abelova@astralinux.ru>
Fri, 11 Nov 2022 12:55:11 +0000 (15:55 +0300)
committerJiri Kosina <jkosina@suse.cz>
Mon, 14 Nov 2022 22:56:52 +0000 (23:56 +0100)
commit0b94d7f2a95a4e4b45ff671f964b238e34604e92
treec892b4806ab23ca0f5ff58d1a0c90450056101b6tree | snapshot
parent117108001fd3e8fd1fe4158a8b3d2cb158d98f66commit | diff
HID: hid-lg4ff: Add check for empty lbuf

If an empty buf is received, lbuf is also empty. So lbuf is
accessed by index -1.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 0dd6833b97db ("HID: hid-lg4ff: Allow switching of Logitech gaming wheels between compatibility modes")
Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
drivers/hid/hid-lg4ff.c diff | blob | history
Linux Kernel Source Tree.