FFI: Avoid dangling cts->L.

Reported by ZumiKua. #1405
2025-11-10 18:15:11 +01:00
parent c92d0cb192
commit c94312d348
1 changed files with 4 additions and 0 deletions
--- a/src/lj_state.c
+++ b/src/lj_state.c
@@ -304,6 +304,10 @@ lua_State *lj_state_new(lua_State *L)
 void LJ_FASTCALL lj_state_free(global_State *g, lua_State *L)
 {
  lua_assert(L != mainthread(g));
+#if LJ_HASFFI
+  if (ctype_ctsG(g) && ctype_ctsG(g)->L == L)  /* Avoid dangling cts->L. */
+    ctype_ctsG(g)->L = mainthread(g);
+#endif
  lj_func_closeuv(L, tvref(L->stack));
  lua_assert(gcref(L->openupval) == NULL);
  lj_mem_freevec(g, tvref(L->stack), L->stacksize, TValue);