| commit | f762e9054ff84aa90f037a49747ac61b36609d81 | |
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | |
| Wed, 6 Feb 2008 09:40:09 +0000 (6 01:40 -0800) | ||
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | |
| Wed, 6 Feb 2008 18:41:20 +0000 (6 10:41 -0800) | ||
| tree | 7f39358385964c8fb101096b23c451ae82f6e58a | treesnapshot (tar.gz zip) |
| parent | 01584fa6456dafbaf5a94ad7fb2aa3e3ecd7a7ba | commitdiff |
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>
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>
| fs/ext3/balloc.c | diffblobblamehistory |