shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-05 02:21:52 +09:00
Code Issues Packages Projects Releases Wiki Activity

media: uvcvideo: Add sanity check to uvc_ioctl_xu_ctrl_map

Browse Source 
[ Upstream commit 990262fdfce24d6055df9711424343d94d829e6a ]

Do not process unknown data types.

Tested-by: Yunke Cao <yunkec@google.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Link: https://lore.kernel.org/r/20250203-uvc-roi-v17-15-5900a9fed613@chromium.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ricardo Ribalda
2025-02-03 11:55:51 +00:00
committed by Greg Kroah-Hartman
parent 7d49558be0
commit 6782a62c32
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/media/usb/uvc/uvc_v4l2.c
View File

@@ -36,6 +36,12 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain,
unsigned int size;
int ret;
if (xmap->data_type > UVC_CTRL_DATA_TYPE_BITMASK) {
uvc_dbg(chain->dev, CONTROL,
"Unsupported UVC data type %u\n", xmap->data_type);
return -EINVAL;
}
map = kzalloc(sizeof(*map), GFP_KERNEL);
if (map == NULL)
return -ENOMEM;