From 47559244fdfc621304b563434359cc6c2a6135f3 Mon Sep 17 00:00:00 2001
From: KNSN92 <kekenshin92@gmail.com>
Date: Fri, 10 Jul 2026 14:42:00 +0900
Subject: [PATCH] Add data length check in part of read function that reading
 time signature metamessage

---
 src/event.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/event.rs b/src/event.rs
index 34277bb..e3a4031 100644
--- a/src/event.rs
+++ b/src/event.rs
@@ -572,7 +572,7 @@ impl<'a> MetaMessage<'a> {
                 u8::read(&mut data)?,
                 u8::read(&mut data)?,
             ),
-            0x59 => {
+            0x59 if data.len() >= 2 => {
                 MetaMessage::KeySignature(u8::read(&mut data)? as i8, u8::read(&mut data)? != 0)
             }
             0x7F => MetaMessage::SequencerSpecific(data),