tree 7f39358385964c8fb101096b23c451ae82f6e58a
parent 01584fa6456dafbaf5a94ad7fb2aa3e3ecd7a7ba
author Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> 1202290809 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1202323280 -0800

ext3: add block bitmap validation

When a new block bitmap is read from disk in read_block_bitmap() there are a
few bits that should ALWAYS be set.  In particular, the blocks given
corresponding to block bitmap, inode bitmap and inode tables.  Validate the
block bitmap against these blocks.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>