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authorNaohiro Aota <naota@elisp.net>2011-07-11 21:54:13 +0400
committerChristoph Hellwig <hch@lst.de>2011-07-22 18:36:56 +0400
commitaac4e4198eff7f9551d586c55342403d49249d95 (patch)
tree9fadb2150044176f1585133d0cf2711c737ddd99 /fs/hfsplus/wrapper.c
parentdd7f3d5458e5c0eded620fe8192abe7e418fc94c (diff)
downloadlinux-aac4e4198eff7f9551d586c55342403d49249d95.tar.xz
hfsplus: Add additional range check to handle on-disk corruptions
'recoff' is read from disk and used for an argument to memcpy, so if the value read from disk is larger than the page size, it result to "general protection fault". This patch add additional range check for the value, so that disk fuzz won't cause such fault. Signed-off-by: Naohiro Aota <naota@elisp.net> Signed-off-by: Christoph Hellwig <hch@lst.de>
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