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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2008-02-06 10:40:08 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-06 19:41:20 +0100
commit01584fa6456dafbaf5a94ad7fb2aa3e3ecd7a7ba (patch)
tree8454d18e301e4a408236b22d91bf506fa90630fb /fs/ext3
parentPNP: disable Supermicro H8DCE motherboard resources that overlap SATA BARs (diff)
downloadlinux-01584fa6456dafbaf5a94ad7fb2aa3e3ecd7a7ba.tar.xz
linux-01584fa6456dafbaf5a94ad7fb2aa3e3ecd7a7ba.zip
ext2: 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>
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