From 201dd40b46c5a29120fb5dd486846880669d5df6 Mon Sep 17 00:00:00 2001
From: bol-van <none@none.none>
Date: Fri, 16 Jan 2026 15:04:16 +0300
Subject: [PATCH] zapret-antidpi: oob error if char > 1 symbol

---
 lua/zapret-antidpi.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lua/zapret-antidpi.lua b/lua/zapret-antidpi.lua
index 3aade59..c90b4a9 100644
--- a/lua/zapret-antidpi.lua
+++ b/lua/zapret-antidpi.lua
@@ -1087,6 +1087,9 @@ function oob(ctx, desync)
 				end
 			else
 				local oob = desync.arg.char or (desync.arg.byte and bu8(desync.arg.byte) or nil) or "\x00"
+				if #oob>1 then
+					error("oob: OOB must be exactly one byte")
+				end
 				local dis_oob = deepcopy(desync.dis)
 				local urp
 				if not desync.arg.urp or desync.arg.urp=='b' then