svn commit: r285039 - head/sys/kern

Konstantin Belousov kib at FreeBSD.org
Thu Jul 2 14:31:47 UTC 2015


Author: kib
Date: Thu Jul  2 14:31:47 2015
New Revision: 285039
URL: https://svnweb.freebsd.org/changeset/base/285039

Log:
  Vnode is not referenced by the vfs_domount() at the point where
  asserts are made.  Remove them, since we might dereference freed
  memory.  Leaked locks are asserted by the syscall return code anyway.
  
  Reported and tested by:	pho
  Sponsored by:	The FreeBSD Foundation
  MFC after:	1 week

Modified:
  head/sys/kern/vfs_mount.c

Modified: head/sys/kern/vfs_mount.c
==============================================================================
--- head/sys/kern/vfs_mount.c	Thu Jul  2 14:00:07 2015	(r285038)
+++ head/sys/kern/vfs_mount.c	Thu Jul  2 14:31:47 2015	(r285039)
@@ -1108,9 +1108,6 @@ vfs_domount(
 	} else
 		error = vfs_domount_update(td, vp, fsflags, optlist);
 
-	ASSERT_VI_UNLOCKED(vp, __func__);
-	ASSERT_VOP_UNLOCKED(vp, __func__);
-
 	return (error);
 }
 


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