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(parent: 150f7b1) | patch
media: v4l2-compat-ioctl32.c: zero buffer passed to v4l2_compat_get_array_args()
authorHans Verkuil <hverkuil-cisco@xs4all.nl>
Mon, 21 Mar 2022 08:33:56 +0000 (08:33 +0000)
committerMauro Carvalho Chehab <mchehab@kernel.org>
Tue, 27 Sep 2022 08:24:43 +0000 (10:24 +0200)
commit4e768c8e34e639cff66a0f175bc4aebf472e4305
tree10fc6a9eaeb1bfe9a68756398eec46ca3c1ebac3tree | snapshot
parent150f7b11cb59670a147e88580a604ce3c6845a88commit | diff
media: v4l2-compat-ioctl32.c: zero buffer passed to v4l2_compat_get_array_args()

The v4l2_compat_get_array_args() function can leave uninitialized memory in the
buffer it is passed. So zero it before copying array elements from userspace
into the buffer.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reported-by: syzbot+ff18193ff05f3f87f226@syzkaller.appspotmail.com
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
drivers/media/v4l2-core/v4l2-compat-ioctl32.c diff | blob | history
Domain: System / Kernel;