From 93c3457d187d4e07d09d5d7dda8b5a573ba1011d Mon Sep 17 00:00:00 2001
From: Thorin-Oakenpants <Thorin-Oakenpants@users.noreply.github.com>
Date: Mon, 29 Jan 2018 13:35:20 +0000
Subject: [PATCH] 2427: js shared memory

MZ are flipping and a flopping on the value for a while now, lets enforce as false, specially since Spectre
---
 user.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/user.js b/user.js
index bf72979..723be29 100644
--- a/user.js
+++ b/user.js
@@ -1145,6 +1145,10 @@ user_pref("javascript.options.wasm", false);
  * [2] https://w3c.github.io/IntersectionObserver/
  * [3] https://bugzilla.mozilla.org/show_bug.cgi?id=1243846 ***/
 user_pref("dom.IntersectionObserver.enabled", false);
+/* 2427: disable Shared Memory (Spectre mitigation)
+ * [1] https://github.com/tc39/ecmascript_sharedmem/blob/master/TUTORIAL.md
+ * [2] https://blog.mozilla.org/security/2018/01/03/mitigations-landing-new-class-timing-attack/ ***/
+user_pref("javascript.options.shared_memory", false);
 
 /*** 2500: HARDWARE FINGERPRINTING ***/
 user_pref("_user.js.parrot", "2500 syntax error: the parrot's shuffled off 'is mortal coil!");