Fix Lua stack corruption problem
@@ -144,8 +144,11 @@ static void correctstack (lua_State *L, TValue *oldstack) {
void luaD_reallocstack (lua_State *L, int newsize) {
TValue *oldstack = L->stack;
int realsize = newsize + 1 + EXTRA_STACK;
+ int block_status = is_block_gc(L);
lua_assert(L->stack_last - L->stack == L->stacksize - EXTRA_STACK - 1);
+ set_block_gc(L); /* The GC MUST be blocked during stack reallocaiton */
luaM_reallocvector(L, L->stack, L->stacksize, realsize, TValue);
+ if (!block_status) unset_block_gc(L); /* Honour the previous block status */
L->stacksize = realsize;
L->stack_last = L->stack+newsize;
correctstack(L, oldstack);
