stream: safety check in overlap handling

8 years ago · bbb0df14d2
parent 8c9f521707
commit bbb0df14d2
1 changed files with 2 additions and 0 deletions
--- a/src/stream-tcp-inline.c
+++ b/src/stream-tcp-inline.c
@ -69,6 +69,8 @@ int StreamTcpInlineSegmentCompare(TcpStream *stream, Packet *p, TcpSegment *seg)
    const uint8_t *seg_data;
    uint32_t seg_datalen;
    StreamingBufferSegmentGetData(stream->sb, &seg->sbseg, &seg_data, &seg_datalen);
+    if (seg_data == NULL || seg_datalen == 0)
+        SCReturnInt(0);

    const uint32_t pkt_seq = TCP_GET_SEQ(p);