PACKET_INITIALIZE is enough for packet init.

src/decode-ipv4.c

@@ -1545,7 +1545,6 @@ int DecodeIPV4DefragTest01(void)
     memset(&tv, 0, sizeof(ThreadVars));
     memset(&dtv, 0, sizeof(DecodeThreadVars));
     memset(&pq, 0, sizeof(PacketQueue));
-    memset(p, 0, sizeof(Packet));
 
     PACKET_INITIALIZE(p);
     FlowInitConfig(FLOW_QUIET);
@@ -1682,7 +1681,6 @@ int DecodeIPV4DefragTest02(void)
     memset(&tv, 0, sizeof(ThreadVars));
     memset(&dtv, 0, sizeof(DecodeThreadVars));
     memset(&pq, 0, sizeof(PacketQueue));
-    memset(p, 0, sizeof(Packet));
 
     PACKET_INITIALIZE(p);
     FlowInitConfig(FLOW_QUIET);
@@ -1817,7 +1815,6 @@ int DecodeIPV4DefragTest03(void)
     memset(&tv, 0, sizeof(ThreadVars));
     memset(&dtv, 0, sizeof(DecodeThreadVars));
     memset(&pq, 0, sizeof(PacketQueue));
-    memset(p, 0, sizeof(Packet));
 
     PACKET_INITIALIZE(p);
     FlowInitConfig(FLOW_QUIET);

src/stream-tcp.c

@@ -8717,10 +8717,8 @@ static int StreamTcpTest40(void) {
     DecodeThreadVars dtv;
 
     memset(&tv, 0, sizeof(ThreadVars));
-    memset(p, 0, SIZE_OF_PACKET);
     PACKET_INITIALIZE(p);
 
-    p->pkt = (uint8_t *)(p + 1);
     SET_PKT_LEN(p, sizeof(raw_vlan));
     memcpy(GET_PKT_DATA(p), raw_vlan, sizeof(raw_vlan));
     memset(&dtv, 0, sizeof(DecodeThreadVars));
@@ -8778,15 +8776,14 @@ static int StreamTcpTest41(void) {
 
     memset(&dtv, 0, sizeof(DecodeThreadVars));
     memset(&tv,  0, sizeof(ThreadVars));
-    memset(p, 0, SIZE_OF_PACKET);
-    p->pkt = (uint8_t *)(p + 1);
+    PACKET_INITIALIZE(p);
 
     if (PacketCopyData(p, raw_ip, sizeof(raw_ip)) == -1) {
+        PACKET_CLEANUP(p);
         SCFree(p);
         return 1;
     }
 
-    PACKET_INITIALIZE(p);
     FlowInitConfig(FLOW_QUIET);
 
     DecodeRaw(&tv, &dtv, p, raw_ip, GET_PKT_LEN(p), NULL);