Merge tag 'char-misc-4.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh...

[uclinux-h8/linux.git] / drivers / mtd / ubi / io.c

diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 5bbd1f0..1fc23e4 100644 (file)
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -926,6 +926,11 @@ static int validate_vid_hdr(const struct ubi_device *ubi,
                goto bad;
        }
 
+       if (data_size > ubi->leb_size) {
+               ubi_err(ubi, "bad data_size");
+               goto bad;
+       }
+
        if (vol_type == UBI_VID_STATIC) {
                /*
                 * Although from high-level point of view static volumes may