tree 9fe13b9419608329515b18beee4a922fab4d68fa
parent d8bad911e5e55e228d59c0606ff7e6b8131ca7bf
author Dan Carpenter <dan.carpenter@oracle.com> 1538996256 +0200
committer Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> 1538996256 +0200

fbdev: sbuslib: integer overflow in sbusfb_ioctl_helper()

The "index + count" addition can overflow.  Both come directly from the
user.  This bug leads to an information leak.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Peter Malone <peter.malone@gmail.com>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Cc: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>