From 3ee6d040719ae09110e5cdf24d5386abe5d1b776 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Wed, 24 Jan 2018 08:37:04 -0500 Subject: [PATCH] media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF Git-commit: 3ee6d040719ae09110e5cdf24d5386abe5d1b776 Patch-mainline: v4.16-rc1 References: CVE-2017-13166,bsc#1072865 The result of the VIDIOC_PREPARE_BUF ioctl was never copied back to userspace since it was missing in the switch. Signed-off-by: Hans Verkuil Acked-by: Sakari Ailus Cc: # for v4.15 and up Signed-off-by: Mauro Carvalho Chehab Acked-by: Takashi Iwai --- drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c @@ -1048,6 +1048,7 @@ static long do_video_ioctl(struct file * err = put_v4l2_create32(&karg.v2crt, up); break; + case VIDIOC_PREPARE_BUF: case VIDIOC_QUERYBUF: case VIDIOC_QBUF: case VIDIOC_DQBUF: