Commit d74adbdb authored by Brian Norris's avatar Brian Norris Committed by Richard Weinberger

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: default avatarBrian Norris <computersforpeace@gmail.com>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 8eef7d70
...@@ -1419,7 +1419,8 @@ int ubi_eba_init(struct ubi_device *ubi, struct ubi_attach_info *ai) ...@@ -1419,7 +1419,8 @@ int ubi_eba_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
* during re-size. * during re-size.
*/ */
ubi_move_aeb_to_list(av, aeb, &ai->erase); ubi_move_aeb_to_list(av, aeb, &ai->erase);
vol->eba_tbl[aeb->lnum] = aeb->pnum; else
vol->eba_tbl[aeb->lnum] = aeb->pnum;
} }
} }
......
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