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From: Don Lewis <truckman@FreeBSD.org>
Date: Mon, 23 May 2016 04:52:27 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r300451 - stable/10/usr.sbin/rpc.lockd
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Author: truckman
Date: Mon May 23 04:52:27 2016
New Revision: 300451
URL: https://svnweb.freebsd.org/changeset/base/300451

Log:
  MFC r299897
  
  NULL releasedfl after calling deallocate_file_lock() which frees it
  to avoid a use-after-free error in the debuglog() call at the top
  of the loop.
  
  Reported by:	Coverity
  CID:		1006080

Modified:
  stable/10/usr.sbin/rpc.lockd/lockd_lock.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/usr.sbin/rpc.lockd/lockd_lock.c
==============================================================================
--- stable/10/usr.sbin/rpc.lockd/lockd_lock.c	Mon May 23 04:50:01 2016	(r300450)
+++ stable/10/usr.sbin/rpc.lockd/lockd_lock.c	Mon May 23 04:52:27 2016	(r300451)
@@ -1600,6 +1600,7 @@ unlock_partialfilelock(const struct file
 				 */
 
 				deallocate_file_lock(releasedfl);
+				releasedfl = NULL;
 			}
 		}