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authorTimo Warns <Warns@pre-sense.de>2011-02-25 14:44:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-02-25 15:07:36 -0800
commit294f6cf48666825d23c9372ef37631232746e40d (patch)
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parent2876592f231d436c295b67726313f6f3cfb6e243 (diff)
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ldm: corrupted partition table can cause kernel oops
The kernel automatically evaluates partition tables of storage devices. The code for evaluating LDM partitions (in fs/partitions/ldm.c) contains a bug that causes a kernel oops on certain corrupted LDM partitions. A kernel subsystem seems to crash, because, after the oops, the kernel no longer recognizes newly connected storage devices. The patch changes ldm_parse_vmdb() to Validate the value of vblk_size. Signed-off-by: Timo Warns <warns@pre-sense.de> Cc: Eugene Teo <eugeneteo@kernel.sg> Acked-by: Richard Russon <ldm@flatcap.org> Cc: Harvey Harrison <harvey.harrison@gmail.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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