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Date: Sat, 16 May 2015 09:36:51 +0200 From: Jiri Slaby <jslaby@...e.cz> To: stable@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Brian Norris <computersforpeace@...il.com>, Richard Weinberger <richard@....at>, Jiri Slaby <jslaby@...e.cz> Subject: [PATCH 3.12 051/142] UBI: fix out of bounds write From: Brian Norris <computersforpeace@...il.com> 3.12-stable review patch. If anyone has any objections, please let me know. =============== commit d74adbdb9abf0d2506a6c4afa534d894f28b763f upstream. If aeb->len >= vol->reserved_pebs, we should not be writing aeb into the PEB->LEB mapping. Caught by Coverity, CID #711212. Signed-off-by: Brian Norris <computersforpeace@...il.com> Signed-off-by: Richard Weinberger <richard@....at> Signed-off-by: Jiri Slaby <jslaby@...e.cz> --- drivers/mtd/ubi/eba.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c index 0e11671dadc4..930cf2c77abb 100644 --- a/drivers/mtd/ubi/eba.c +++ b/drivers/mtd/ubi/eba.c @@ -1362,7 +1362,8 @@ 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); - vol->eba_tbl[aeb->lnum] = aeb->pnum; + else + vol->eba_tbl[aeb->lnum] = aeb->pnum; } } -- 2.3.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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