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TAKE 985525 - Fix use after free in xfs_log_done().

To: sgi.bugs.xfs@xxxxxxxxxxxx, xfs@xxxxxxxxxxx
Subject: TAKE 985525 - Fix use after free in xfs_log_done().
From: lachlan@xxxxxxx (Lachlan McIlroy)
Date: Tue, 12 Aug 2008 14:46:29 +1000 (EST)
Sender: xfs-bounce@xxxxxxxxxxx
Fix use after free in xfs_log_done().

The ticket allocation code got reworked in 2.6.26 and we now free
tickets whereas before we used to cache them so the use-after-free
went undetected.

Date:  Tue Aug 12 14:45:36 AEST 2008
Workarea:  redback.melbourne.sgi.com:/home/lachlan/isms/2.6.x-clean
Inspected by:  david@xxxxxxxxxxxxx
Author:  lachlan

The following file(s) were checked into:
  longdrop.melbourne.sgi.com:/isms/linux/2.6.x-xfs-melb


Modid:  xfs-linux-melb:xfs-kern:31877a
fs/xfs/xfs_log.c - 1.363 - changed
http://oss.sgi.com/cgi-bin/cvsweb.cgi/xfs-linux/xfs_log.c.diff?r1=text&tr1=1.363&r2=text&tr2=1.362&f=h
        - Fix use after free in xfs_log_done().




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