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authorPhillip Lougher <phillip@squashfs.org.uk>2013-09-03 05:38:43 +0200
committerPhillip Lougher <phillip@squashfs.org.uk>2013-09-06 05:57:53 +0200
commit68e7f412370ecfeb1bd667d0d174fad34517516e (patch)
tree60d41e9366a38c45f836cf72403b6495e3763f4a /fs/nfs/client.c
parentSquashfs: fix corruption checks in squashfs_lookup() (diff)
downloadlinux-68e7f412370ecfeb1bd667d0d174fad34517516e.tar.xz
linux-68e7f412370ecfeb1bd667d0d174fad34517516e.zip
Squashfs: fix corruption checks in squashfs_readdir()
The dir_count and size fields when read from disk are sanity checked for correctness. However, the sanity checks only check the values are not greater than expected. As dir_count and size were incorrectly defined as signed ints, this can lead to corrupted values appearing as negative which are not trapped. Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
Diffstat (limited to 'fs/nfs/client.c')
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