From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 16 Jan 2009 16:13:40 +0000 (-0500)
Subject: ext4: Add sanity check to make_indexed_dir
X-Git-Tag: v2.6.29-rc4~89^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e6b8bc09ba2075cd91fbffefcd2778b1a00bd76f;p=pandora-kernel.git

ext4: Add sanity check to make_indexed_dir

Make sure the rec_len field in the '..' entry is sane, lest we overrun
the directory block and cause a kernel oops on a purposefully
corrupted filesystem.

Thanks to Sami Liedes for reporting this bug.

http://bugzilla.kernel.org/show_bug.cgi?id=12430

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@kernel.org
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