From 855f0372fad6c4121f2cc40f8254a76574d61f31 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jerry=20Lundstr=C3=B6m?= <lundstrom.jerry@gmail.com>
Date: Fri, 30 Aug 2024 09:58:26 +0200
Subject: [PATCH] CodeQL

- Fix https://github.com/DNS-OARC/dsc/security/code-scanning/20
---
 src/pcap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/pcap.c b/src/pcap.c
index a071febb..08f89c60 100644
--- a/src/pcap.c
+++ b/src/pcap.c
@@ -381,8 +381,7 @@ pcap_handle_tcp_segment(u_char* segment, int len, uint32_t seq, tcpstate_t* tcps
         for (s = 0; s < MAX_TCP_SEGS; s++) {
             if (!tcpstate->segbuf[s])
                 continue;
-            /* TODO: seq >= 0 */
-            if (tcpstate->segbuf[s]->seq - seq > 0 && tcpstate->segbuf[s]->seq - seq < dnslen) {
+            if ((int64_t)tcpstate->segbuf[s]->seq - seq > 0 && (int64_t)tcpstate->segbuf[s]->seq - seq < dnslen) {
                 tcp_segbuf_t* segbuf = tcpstate->segbuf[s];
                 tcpstate->segbuf[s]  = NULL;
                 dfprintf(1, "pcap_handle_tcp_segment: %s", "message reassembled");