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md: avoid array overflow with bad v1.x metadata
author
NeilBrown
<neilb@suse.de>
Mon, 3 Aug 2009 00:59:56 +0000
(10:59 +1000)
committer
NeilBrown
<neilb@suse.de>
Mon, 3 Aug 2009 00:59:56 +0000
(10:59 +1000)
We trust the 'desc_nr' field in v1.x metadata enough to use it
as an index in an array. This isn't really safe.
So range-check the value first.
Signed-off-by: NeilBrown <neilb@suse.de>
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git.openpandora.org / pandora-kernel.git / commitdiff