Commit d74adbdb authored Feb 28, 2015 by Brian Norris Committed by Richard Weinberger Mar 26, 2015

UBI: fix out of bounds write



If aeb->len >= vol->reserved_pebs, we should not be writing aeb into the
PEB->LEB mapping.

Caught by Coverity, CID #711212.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

parent 8eef7d70

drivers/mtd/ubi/eba.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1419,6 +1419,7 @@ int ubi_eba_init(struct ubi_device ubi, struct ubi_attach_info ai)
		* during re-size.
		*/
		ubi_move_aeb_to_list(av, aeb, &ai->erase);
		else
		vol->eba_tbl[aeb->lnum] = aeb->pnum;
		}
		}