From: Lepton Wu <ytht.net@gmail.com>
Date: Wed, 17 Oct 2007 06:29:50 +0000 (-0700)
Subject: reiserfs: fix kernel panic on corrupted directory
X-Git-Tag: v2.6.24-rc1~622
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=80eb68d23897126e7f25e2b3689bc27fb8cdde17;p=pandora-kernel.git

reiserfs: fix kernel panic on corrupted directory

When reading corrupted reiserfs directory data, d_reclen could be a
negative number or a big positive number, this can lead to kernel panic or
oop.  The following patch adds a sanity check.

Signed-off-by: Lepton Wu <ytht.net@gmail.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: "Vladimir V. Saveliev" <vs@namesys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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