From a673e1913b34e98840dbfc51c6c969e4cc8add48 Mon Sep 17 00:00:00 2001
From: Philippe Antoine <pantoine@oisf.net>
Date: Fri, 2 Aug 2024 10:42:56 +0200
Subject: [PATCH] ssh/frames: avoid unsigned integer overflow

Fixes: 0b2ed97f3678 ("ssh: frames support")
---
 rust/src/ssh/ssh.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/rust/src/ssh/ssh.rs b/rust/src/ssh/ssh.rs
index 1d38a1bd50..a6a3871a8e 100644
--- a/rust/src/ssh/ssh.rs
+++ b/rust/src/ssh/ssh.rs
@@ -233,7 +233,8 @@ impl SSHState {
                                 flow,
                                 stream_slice,
                                 input,
-                                (head.pkt_len + 4) as i64,
+                                // cast first to avoid unsigned integer overflow
+                                (head.pkt_len as u64 + 4) as i64,
                                 SshFrameType::RecordPdu as u8,
                                 Some(0),
                             );
-- 
2.47.2