| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | From: Enrico Tassi <gareuselesinge@debian.org> |
| 2 | Date: Tue, 26 Aug 2014 16:20:55 +0200 |
| 3 | Subject: Fix stack overflow in vararg functions |
| 4 | |
| 5 | --- |
| 6 | src/ldo.c | 2 +- |
| 7 | 1 file changed, 1 insertion(+), 1 deletion(-) |
| 8 | |
| 9 | --- a/src/ldo.c |
| 10 | +++ b/src/ldo.c |
| 11 | @@ -274,7 +274,7 @@ int luaD_precall (lua_State *L, StkId fu |
| 12 | CallInfo *ci; |
| 13 | StkId st, base; |
| 14 | Proto *p = cl->p; |
| 15 | - luaD_checkstack(L, p->maxstacksize); |
| 16 | + luaD_checkstack(L, p->maxstacksize + p->numparams); |
| 17 | func = restorestack(L, funcr); |
| 18 | if (!p->is_vararg) { /* no varargs? */ |
| 19 | base = func + 1; |