gsskrb5: display_name(NO_NAME) should not crash (fix #1288)

2026-01-18 20:48:42 -06:00
parent 5580b3fe91
commit bbfc116686
1 changed files with 10 additions and 0 deletions
--- a/lib/gssapi/krb5/display_name.c
+++ b/lib/gssapi/krb5/display_name.c
@@ -46,6 +46,16 @@ OM_uint32 GSSAPI_CALLCONV _gsskrb5_display_name
    char *buf;
    size_t len;

+    output_name_buffer->length = 0;
+    output_name_buffer->value  = NULL;
+    if (output_name_type)
+        *output_name_type = GSS_C_NO_OID;
+
+    if (input_name == GSS_C_NO_NAME) {
+        *minor_status = EINVAL;
+        return GSS_S_CALL_INACCESSIBLE_READ;
+    }
+
    GSSAPI_KRB5_INIT (&context);

    kret = krb5_unparse_name_flags (context, name,