gnu/packages/patches/lua-CVE-2014-5461.patch

   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 diff --git a/src/ldo.c b/src/ldo.c
  10 index d1bf786..30333bf 100644
  11 --- a/src/ldo.c
  12 +++ b/src/ldo.c
  13 @@ -274,7 +274,7 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
  14      CallInfo *ci;
  15      StkId st, base;
  16      Proto *p = cl->p;
  17 -    luaD_checkstack(L, p->maxstacksize);
  18 +    luaD_checkstack(L, p->maxstacksize + p->numparams);
  19      func = restorestack(L, funcr);
  20        base = func + 1;