From 36b339bbcfdcb82a02bfa78c2ec7d585d1d342e0 Mon Sep 17 00:00:00 2001
From: norrath-hero-cn <73905273+norrath-hero-cn@users.noreply.github.com>
Date: Sun, 6 Aug 2023 01:38:32 +0800
Subject: [PATCH] Prevent early destruction of gFuns, fixes AddressSanitizer:
 heap-use-after-free (#22386)

Prevent destruction of gFuns before callClosures

(cherry picked from commit e0396900ed74eb821641d026a68415199fc4a257)
---
 lib/std/exitprocs.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/exitprocs.nim b/lib/std/exitprocs.nim
index c44eb30d65..e42397c4cf 100644
--- a/lib/std/exitprocs.nim
+++ b/lib/std/exitprocs.nim
@@ -22,7 +22,7 @@ type
 
 var
   gFunsLock: Lock
-  gFuns: seq[Fun]
+  gFuns {.cursor.}: seq[Fun] #Intentionally use the cursor to break up the lifetime trace and make it compatible with JS.
 
 initLock(gFunsLock)