From: SmallJoker <SmallJoker@users.noreply.github.com>
Date: Tue, 9 May 2017 21:11:20 +0000 (+0200)
Subject: minetest.deserialize: Throw error when argument not string (#5738)
X-Git-Tag: 0.4.16~127
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=6945f807abd789e0f522351e5e790ff2afced233;p=oweals%2Fminetest.git

minetest.deserialize: Throw error when argument not string (#5738)
---

diff --git a/builtin/common/serialize.lua b/builtin/common/serialize.lua
index b2165648e..692ddd5f0 100644
--- a/builtin/common/serialize.lua
+++ b/builtin/common/serialize.lua
@@ -186,6 +186,10 @@ local safe_env = {
 }
 
 function core.deserialize(str, safe)
+	if type(str) ~= "string" then
+		return nil, "Cannot deserialize type '"..type(str)
+			.."'. Argument must be a string."
+	end
 	if str:byte(1) == 0x1B then
 		return nil, "Bytecode prohibited"
 	end