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(parent: 3a981b0) | patch
md: avoid array overflow with bad v1.x metadata
authorNeilBrown <neilb@suse.de>
Mon, 3 Aug 2009 00:59:56 +0000 (10:59 +1000)
committerNeilBrown <neilb@suse.de>
Mon, 3 Aug 2009 00:59:56 +0000 (10:59 +1000)
commit3673f305faf1bc66ead751344f8262ace851ff44
tree4cbdd23d9af20632678e95b3e8f02ede241a3917tree | snapshot
parent3a981b03f38dc3b8a69b77cbc679e66c1318a44acommit | diff
md: avoid array overflow with bad v1.x metadata

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>
drivers/md/md.c diff | blob | history
Domain: System / Uncategorized;