fixed: mem allocation issue (ie not being done) with IPv6 extension p…

…rocessing in decode().

src/decode.c

@@ -2192,8 +2192,13 @@ void DecodeIPV6Options(int type, const uint8_t *pkt, uint32_t len, Packet *p)
 
     exthdr = (IP6Extension *)pkt;
 
-    p->ip6_extensions[p->ip6_extension_count].type = type;
-    p->ip6_extensions[p->ip6_extension_count].data = pkt;
+    /* BY2: we only track the first extension and don't do out of order
+    ** assessment as it's already been done by the engine that built it.
+    */
+    if (p->ip6_extension_count == 0) {
+      p->ip6_extensions[p->ip6_extension_count].type = type;
+      p->ip6_extensions[p->ip6_extension_count].data = pkt;
+    }
 
     // TBD add layers for other ip6 ext headers
     switch (type)

src/spooler.c

@@ -727,6 +727,8 @@ void spoolerProcessRecord(Spooler *spooler, int fire_output)
 
         /* allocate space for the packet and construct the packet header */
         spooler->record.pkt = SnortAlloc(sizeof(Packet));
+        spooler->record.pkt->ip6_extensions = SnortAlloc(sizeof(IP6Option) * 1);
+
 
         pkth.caplen = ntohl(((Unified2Packet *)spooler->record.data)->packet_length);
         pkth.len = pkth.caplen;
@@ -798,6 +800,7 @@ void spoolerProcessRecord(Spooler *spooler, int fire_output)
         }
 
         /* free the memory allocated in this function */
+        free(spooler->record.pkt->ip6_extensions);
         free(spooler->record.pkt);
         spooler->record.pkt = NULL;