From 4ad9aa8449bb6e6a31ccb153132c6e34067450cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartosz=20Dziewo=C5=84ski?= <matma.rex@gmail.com>
Date: Mon, 27 Apr 2020 19:59:26 +0200
Subject: [PATCH] parser: Don't crash on links to invalid titles

Bug: T251045
Change-Id: I1a7b8b9b34d38ec4e3edc12687bdf99bb0e61bd8
---
 modules/parser.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/parser.js b/modules/parser.js
index 0bb063b80..973f59603 100644
--- a/modules/parser.js
+++ b/modules/parser.js
@@ -502,6 +502,9 @@ function findSignature( timestampNode, until ) {
 				return false;
 			}
 			mwTitle = mw.Title.newFromText( title );
+			if ( !mwTitle ) {
+				return false;
+			}
 			if (
 				mwTitle.getNamespaceId() === mw.config.get( 'wgNamespaceIds' ).user ||
 				mwTitle.getNamespaceId() === mw.config.get( 'wgNamespaceIds' ).user_talk