From: Ilya Bakhtin <ilya.bakhtin@gmail.com>
Date: Tue, 18 Aug 2020 17:26:36 +0000 (+0200)
Subject: mqtt: fixed wrong slice access
X-Git-Tag: suricata-6.0.0-rc1~113
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c903441fe797ef1c67db36900db4b7c599c20925;p=thirdparty%2Fsuricata.git

mqtt: fixed wrong slice access

Slice access esults in rust panic when mqtt ping is processed
---

diff --git a/rust/src/mqtt/parser.rs b/rust/src/mqtt/parser.rs
index 443f47cd44..65eb780fec 100644
--- a/rust/src/mqtt/parser.rs
+++ b/rust/src/mqtt/parser.rs
@@ -628,7 +628,7 @@ pub fn parse_message(input: &[u8], protocol_version: u8, max_msg_size: usize) ->
                             _ => MQTTOperation::UNASSIGNED,
                         },
                     };
-                    return Ok((&rem[skiplen+len..], msg));
+                    return Ok((&input[skiplen+len..], msg));
                 }
                 MQTTTypeCode::DISCONNECT => match parse_disconnect(rem, len, protocol_version) {
                     Ok((_rem, disco)) => {