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From: "Pedro F. Giffuni" <pfg@FreeBSD.org>
Date: Sun, 18 Jan 2015 21:18:29 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r277349 - head/sys/fs/ext2fs
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Author: pfg
Date: Sun Jan 18 21:18:28 2015
New Revision: 277349
URL: https://svnweb.freebsd.org/changeset/base/277349

Log:
  ext2: fix for uninitialized pointer read.
  
  path.ep_bp was being used uninitialized in ext4_ext_find_extent().
  
  CID:		1062344
  MFC after:	1 week

Modified:
  head/sys/fs/ext2fs/ext2_bmap.c

Modified: head/sys/fs/ext2fs/ext2_bmap.c
==============================================================================
--- head/sys/fs/ext2fs/ext2_bmap.c	Sun Jan 18 21:16:22 2015	(r277348)
+++ head/sys/fs/ext2fs/ext2_bmap.c	Sun Jan 18 21:18:28 2015	(r277349)
@@ -94,7 +94,7 @@ ext4_bmapext(struct vnode *vp, int32_t b
 	struct inode *ip;
 	struct m_ext2fs *fs;
 	struct ext4_extent *ep;
-	struct ext4_extent_path path;
+	struct ext4_extent_path path = { .ep_bp = NULL };
 	daddr_t lbn;
 
 	ip = VTOI(vp);