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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 25 Jan 2011 14:04:02 +0000 (UTC)
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Subject: cvs commit: src/sys/kern vfs_subr.c
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kib         2011-01-25 14:04:02 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             vfs_subr.c 
  Log:
  SVN rev 217824 on 2011-01-25 14:04:02Z by kib
  
  When vtruncbuf() iterates over the vnode buffer list, lock buffer object
  before checking the validity of the next buffer pointer. Otherwise, the
  buffer might be reclaimed after the check, causing iteration to run into
  wrong buffer.
  
  Reported and tested by: pho
  MFC after:      1 week
  
  Revision  Changes    Path
  1.803     +5 -2      src/sys/kern/vfs_subr.c