Author: rmacklem
Date: Mon May 17 23:55:38 2010
New Revision: 208234
URL: http://svn.freebsd.org/changeset/base/208234
Log:
Add a sanity check for a negative args.fhsize to the experimental
NFS client.
MFC after: 5 days
Modified:
head/sys/fs/nfsclient/nfs_clvfsops.c
Modified: head/sys/fs/nfsclient/nfs_clvfsops.c
==============================================================================
--- head/sys/fs/nfsclient/nfs_clvfsops.c Mon May 17 23:55:23 2010
(r208233)
+++ head/sys/fs/nfsclient/nfs_clvfsops.c Mon May 17 23:55:38 2010
(r208234)
@@ -951,7 +951,7 @@ nfs_mount(struct mount *mp)
if (vfs_getopt(mp->mnt_optnew, "fh", (void **)&args.fh,
&args.fhsize) == 0) {
- if (args.fhsize > NFSX_FHMAX) {
+ if (args.fhsize < 0 || args.fhsize > NFSX_FHMAX) {
vfs_mount_error(mp, "Bad file handle");
error = EINVAL;
goto out;
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