]> git.baikalelectronics.ru Git - kernel.git/commit
UBI: Validate data_size
authorRichard Weinberger <richard@nod.at>
Tue, 22 Sep 2015 21:58:07 +0000 (23:58 +0200)
committerRichard Weinberger <richard@nod.at>
Tue, 29 Sep 2015 10:47:04 +0000 (12:47 +0200)
commitaff3680b041858aa516b26325ca69840ff6b8003
treeb00db9a22f925bc2156238f0065b0b4525b2ef5e
parentf9dfff6db178665ab4d398d9f2b46f13dce72cf8
UBI: Validate data_size

Make sure that data_size is less than LEB size.
Otherwise a handcrafted UBI image is able to trigger
an out of bounds memory access in ubi_compare_lebs().

Cc: stable@vger.kernel.org
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: David Gstir <david@sigma-star.at>
drivers/mtd/ubi/io.c