socsvn commit: r223367 - soc2011/gk/ino64-head/sys/ufs/ffs

[gk at FreeBSD.org]

Author: gk
Date: Fri Jun 17 22:29:07 2011
New Revision: 223367
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=223367

Log:
  ufs: Verify inode is 32 bit in ffs_vget

Modified:
  soc2011/gk/ino64-head/sys/ufs/ffs/ffs_vfsops.c

Modified: soc2011/gk/ino64-head/sys/ufs/ffs/ffs_vfsops.c
==============================================================================
--- soc2011/gk/ino64-head/sys/ufs/ffs/ffs_vfsops.c	Fri Jun 17 22:28:55 2011	(r223366)
+++ soc2011/gk/ino64-head/sys/ufs/ffs/ffs_vfsops.c	Fri Jun 17 22:29:07 2011	(r223367)
@@ -1472,6 +1472,11 @@
 	struct cdev *dev;
 	int error;
 
+	if ((ino >> 32) != 0) {
+		printf("ffs_vget: invalid inode number: %jd\n", (intmax_t)ino);
+		return (EINVAL);
+	}
+
 	error = vfs_hash_get(mp, ino, flags, curthread, vpp, NULL, NULL);
 	if (error || *vpp != NULL)
 		return (error);