From 76d61fb4b7029254aa7bd99ecec96f98b3ec71b4 Mon Sep 17 00:00:00 2001
From: Astralcircle <142503363+Astralcircle@users.noreply.github.com>
Date: Tue, 10 Mar 2026 15:35:24 +0300
Subject: [PATCH] Fix `WireLib.ClientError` overflow

Fixes:
```
@name
@inputs
@outputs
@persist
@trigger none
@strict

error("g":repeat(100000))
```
```
[Wiremod Canary] Trying to send an overflowed net message!
    1. ClientError - lua/wire/wireshared.lua:310
        2. Error - lua/entities/gmod_wire_expression2/init.lua:330
            3. Execute - lua/entities/gmod_wire_expression2/init.lua:153
                4. Setup - lua/entities/gmod_wire_expression2/init.lua:569
                    5. unknown - lua/wire/stools/expression2.lua:400
                        6. xpcall - [C]:-1
                            7. Remove - lua/autorun/netstream.lua:279
                                8. Read - lua/autorun/netstream.lua:258
                                    9. Read - lua/autorun/netstream.lua:131
                                        10. func - lua/autorun/netstream.lua:385
                                            11. unknown - lua/includes/extensions/net.lua:34
```
---
 lua/wire/wireshared.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lua/wire/wireshared.lua b/lua/wire/wireshared.lua
index 3b8fddf914..ace09b5a39 100644
--- a/lua/wire/wireshared.lua
+++ b/lua/wire/wireshared.lua
@@ -306,7 +306,7 @@ elseif SERVER then
 	util.AddNetworkString("wire_clienterror")
 	function WireLib.ClientError(message, ply)
 		net.Start("wire_clienterror")
-			net.WriteString(message)
+			net.WriteString(string.sub(message, 1, 65532))
 		net.Send(ply)
 	end
 end