LUA: Fix CVE-2014-5461

Apply the fix from upstream. http://www.lua.org/bugs.html#5.2.2-1 https://www.opencve.io/cve/CVE-2014-5461 Signed-off-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
openzfs · Sep 24, 2022 · c55399c · c55399c
1 parent ebe1d03
commit c55399c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/module/lua/ldo.c b/module/lua/ldo.c
@@ -405,7 +405,7 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
       StkId base;
       Proto *p = clLvalue(func)->p;
       n = cast_int(L->top - func) - 1;  /* number of real arguments */
-      luaD_checkstack(L, p->maxstacksize);
+      luaD_checkstack(L, p->maxstacksize + p->numparams);
       for (; n < p->numparams; n++)
         setnilvalue(L->top++);  /* complete missing arguments */
       if (!p->is_vararg) {