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udf: Avoid run away loop when partition table length is corrupted
authorJan Kara <jack@suse.cz>
Wed, 27 Jun 2012 18:20:22 +0000 (20:20 +0200)
committerMarkus Lehtonen <markus.lehtonen@linux.intel.com>
Fri, 5 Apr 2013 06:13:03 +0000 (09:13 +0300)
commitf242f8f7c68d4462d26a148c3da6929a5b5b894d
tree69af10b93ef4d1974d830592c6c9e067f0711f8atree | snapshot
parent3364bf1a77af87dd3da5ae82b7b928ad44ea8c10commit | diff
udf: Avoid run away loop when partition table length is corrupted

commit adee11b2085bee90bd8f4f52123ffb07882d6256 upstream.

Check provided length of partition table so that (possibly maliciously)
corrupted partition table cannot cause accessing data beyond current buffer.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/udf/super.c diff | blob | history
Domain: System / Uncategorized;