From: vanlink <paradoxes@163.com>
Date: Thu, 16 Jan 2020 08:27:57 +0000 (+0800)
Subject: stream/reassembly: fix data overlap check
X-Git-Tag: suricata-6.0.0-beta1~752
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F4547%2Fhead;p=thirdparty%2Fsuricata.git

stream/reassembly: fix data overlap check

Fix function CheckOverlap bug.
---

diff --git a/src/stream-tcp-list.c b/src/stream-tcp-list.c
index 31401d0236..cb47ee8e92 100644
--- a/src/stream-tcp-list.c
+++ b/src/stream-tcp-list.c
@@ -141,7 +141,7 @@ static inline bool CheckOverlap(struct TCPSEG *tree, TcpSegment *seg)
             return true;
         // prev's right edge is beyond our seq, overlap
         const uint32_t prev_re = SEG_SEQ_RIGHT_EDGE(prev);
-        if (SEQ_GT(prev_re, prev->seq))
+        if (SEQ_GT(prev_re, seg->seq))
             return true;
     }