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-rw-r--r--sys/nfsclient/nfs_vfsops.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/nfsclient/nfs_vfsops.c b/sys/nfsclient/nfs_vfsops.c
index a963083fd4ab..378c0250d9f1 100644
--- a/sys/nfsclient/nfs_vfsops.c
+++ b/sys/nfsclient/nfs_vfsops.c
@@ -1002,6 +1002,11 @@ nfs_mount(struct mount *mp, struct thread *td)
nfs_decode_args(mp, nmp, &args, NULL);
goto out;
}
+ if (args.fhsize < 0 || args.fhsize > NFSX_V3FHMAX) {
+ vfs_mount_error(mp, "Bad file handle");
+ error = EINVAL;
+ goto out;
+ }
/*
* Make the nfs_ip_paranoia sysctl serve as the default connection