1 files changed, 18 insertions, 0 deletions
diff --git a/abs/extra/community/lua/lua-5.1.3-official-patch4.diff b/abs/extra/community/lua/lua-5.1.3-official-patch4.diff
new file mode 100644
index 0000000..1d03f37
--- /dev/null
+++ b/abs/extra/community/lua/lua-5.1.3-official-patch4.diff
@@ -0,0 +1,18 @@
+--- src/lbaselib.c	(old)
++++ src/lbaselib.c	(new)
+@@ -344,10 +344,12 @@
+   luaL_checktype(L, 1, LUA_TTABLE);
+   i = luaL_optint(L, 2, 1);
+   e = luaL_opt(L, luaL_checkint, 3, luaL_getn(L, 1));
++  if (i > e) return 0;  /* empty range */
+   n = e - i + 1;  /* number of elements */
+-  if (n <= 0) return 0;  /* empty range */
+-  luaL_checkstack(L, n, "table too big to unpack");
+-  for (; i<=e; i++)  /* push arg[i...e] */
++  if (n <= 0 || !lua_checkstack(L, n))  /* n <= 0 means arith. overflow */
++    return luaL_error(L, "too many results to unpack");
++  lua_rawgeti(L, 1, i);  /* push arg[i] (avoiding overflow problems) */
++  while (i++ < e)  /* push arg[i + 1...e] */
+     lua_rawgeti(L, 1, i);
+   return n;
+ }