Gracefully handle broken custom allocator.

Reported by Alex Orlenko. #1393
2025-10-16 13:23:51 +02:00
parent a21ba1c9b5
commit 5c3254d68d
1 changed files with 5 additions and 1 deletions
--- 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;