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-rw-r--r--source3/smbd/sesssetup.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/source3/smbd/sesssetup.c b/source3/smbd/sesssetup.c
index 7d1535af5a..f9ba9769b5 100644
--- a/source3/smbd/sesssetup.c
+++ b/source3/smbd/sesssetup.c
@@ -202,6 +202,11 @@ static void reply_sesssetup_and_X_spnego(struct smb_request *req)
/* Do we have a valid vuid now ? */
if (!is_partial_auth_vuid(sconn, vuid)) {
+ if (vuid != 0) {
+ reply_force_doserror(req, ERRSRV, ERRbaduid);
+ return;
+ }
+
/* No, start a new authentication setup. */
vuid = register_initial_vuid(sconn);
if (vuid == UID_FIELD_INVALID) {