From 5c3254d68d2579bf8c5bd1e39e612582fb5a04f6 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Thu, 16 Oct 2025 13:23:51 +0200
Subject: Gracefully handle broken custom allocator.

Reported by Alex Orlenko. #1393
---
 src/lj_state.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/lj_state.c b/src/lj_state.c
index 3cad8cc1..fb6d41a5 100644
--- a/src/lj_state.c
+++ b/src/lj_state.c
@@ -261,7 +261,11 @@ LUA_API lua_State *lua_newstate(lua_Alloc allocf, void *allocd)
   }
 #endif
   GG = (GG_State *)allocf(allocd, NULL, 0, sizeof(GG_State));
-  if (GG == NULL || !checkptrGC(GG)) return NULL;
+  if (GG == NULL) return NULL;
+  if (!checkptrGC(GG)) {
+    allocf(allocd, GG, sizeof(GG_State), 0);
+    return NULL;
+  }
   memset(GG, 0, sizeof(GG_State));
   L = &GG->L;
   g = &GG->g;
-- 
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