Re: [PATCH] Fix Null Pointer Dereference in uvcg_video_init()

From: Greg KH

Date: Thu Jul 30 2026 - 02:17:57 EST


On Thu, Jul 30, 2026 at 11:27:05AM +0530, Jeffin Philip wrote:
> uvcg_video_init references video->uvc before assigning it
> leading to a null pointer dereference. Fix this by assigning
> video->uvc first and then dereferencing it later.

Please say _when_ this dereference happens (i.e. in an error path only,
right?)

> Reported-by: syzbot+8dcac923582c28505fd7@xxxxxxxxxxxxxxxxxxxxxxxxx
> Fixes: https://syzkaller.appspot.com/bug?extid=8dcac923582c28505fd7
> Signed-off-by: Jeffin Philip <jeffinphilip14@xxxxxxxxx>

No cc: stable or Fixes: tag?

thanks,

greg k-h