[tbb-commits] [Git][tpo/applications/tor-browser][tor-browser-115.4.0esr-13.0-1] Bug 42194: Fix blank net error page on failed DNS resolution with active proxy.

[ma1 (@ma1)]

ma1 pushed to branch tor-browser-115.4.0esr-13.0-1 at The Tor Project / Applications / Tor Browser


Commits:
20f764ba by hackademix at 2023-11-08T13:41:58+01:00
Bug 42194: Fix blank net error page on failed DNS resolution with active proxy.

- - - - -


1 changed file:

- toolkit/actors/NetErrorChild.sys.mjs


Changes:

=====================================
toolkit/actors/NetErrorChild.sys.mjs
=====================================
@@ -140,12 +140,15 @@ export class NetErrorChild extends RemotePageChild {
         shortDesc.appendChild(span);
       },
     };
-
-    Services.uriFixup.checkHost(
-      info.fixedURI,
-      onLookupCompleteListener,
-      this.document.nodePrincipal.originAttributes
-    );
+    try {
+      Services.uriFixup.checkHost(
+        info.fixedURI,
+        onLookupCompleteListener,
+        this.document.nodePrincipal.originAttributes
+      );
+    } catch (e) {
+      // DNS resolution may fail synchronously if forbidden by proxy
+    }
   }
 
   // Get the header from the http response of the failed channel. This function



View it on GitLab: https://gitlab.torproject.org/tpo/applications/tor-browser/-/commit/20f764bab4814a0430c00b054815dccef0683bf3

-- 
View it on GitLab: https://gitlab.torproject.org/tpo/applications/tor-browser/-/commit/20f764bab4814a0430c00b054815dccef0683bf3
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