ssl/t1_lib.c:1061: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [0, `s->s3->previous_client_finished_len` + `pkt->written` + 20]):unsigned64 by call to `WPACKET_sub_memcpy`.
Showing all 20 steps of the trace


ssl/t1_lib.c:1016:1: Parameter `pkt->written`
1014.   }
1015.   
1016. > int ssl_add_clienthello_tlsext(SSL *s, WPACKET *pkt, int *al)
1017.   {
1018.   #ifndef OPENSSL_NO_EC

ssl/t1_lib.c:1055:14: Call
1053.       if (s->tlsext_hostname != NULL) {
1054.           /* Add TLS extension servername to the Client Hello message */
1055.           if (!WPACKET_put_bytes(pkt, TLSEXT_TYPE_server_name, 2)
                     ^
1056.                      /* Sub-packet for server_name extension */
1057.                   || !WPACKET_start_sub_packet_u16(pkt)

ssl/packet.c:226:1: Parameter `pkt->written`
  224.   }
  225.   
  226. > int WPACKET_put_bytes(WPACKET *pkt, unsigned int val, size_t size)
  227.   {
  228.       unsigned char *data;

ssl/t1_lib.c:1057:21: Call
1055.           if (!WPACKET_put_bytes(pkt, TLSEXT_TYPE_server_name, 2)
1056.                      /* Sub-packet for server_name extension */
1057.                   || !WPACKET_start_sub_packet_u16(pkt)
                            ^
1058.                      /* Sub-packet for servername list (always 1 hostname)*/
1059.                   || !WPACKET_start_sub_packet_u16(pkt)

ssl/packet.c:190:1: Parameter `pkt->written`
  188.   }
  189.   
  190. > int WPACKET_start_sub_packet_len(WPACKET *pkt, size_t lenbytes)
  191.   {
  192.       WPACKET_SUB *sub;

ssl/t1_lib.c:1059:21: Call
1057.                   || !WPACKET_start_sub_packet_u16(pkt)
1058.                      /* Sub-packet for servername list (always 1 hostname)*/
1059.                   || !WPACKET_start_sub_packet_u16(pkt)
                            ^
1060.                   || !WPACKET_put_bytes(pkt, TLSEXT_NAMETYPE_host_name, 1)
1061.                   || !WPACKET_sub_memcpy(pkt, s->tlsext_hostname,

ssl/packet.c:190:1: Parameter `pkt->written`
  188.   }
  189.   
  190. > int WPACKET_start_sub_packet_len(WPACKET *pkt, size_t lenbytes)
  191.   {
  192.       WPACKET_SUB *sub;

ssl/t1_lib.c:1060:21: Call
1058.                      /* Sub-packet for servername list (always 1 hostname)*/
1059.                   || !WPACKET_start_sub_packet_u16(pkt)
1060.                   || !WPACKET_put_bytes(pkt, TLSEXT_NAMETYPE_host_name, 1)
                            ^
1061.                   || !WPACKET_sub_memcpy(pkt, s->tlsext_hostname,
1062.                                          strlen(s->tlsext_hostname), 2)

ssl/packet.c:226:1: Parameter `pkt->written`
  224.   }
  225.   
  226. > int WPACKET_put_bytes(WPACKET *pkt, unsigned int val, size_t size)
  227.   {
  228.       unsigned char *data;

ssl/t1_lib.c:1061:21: Call
1059.                   || !WPACKET_start_sub_packet_u16(pkt)
1060.                   || !WPACKET_put_bytes(pkt, TLSEXT_NAMETYPE_host_name, 1)
1061.                   || !WPACKET_sub_memcpy(pkt, s->tlsext_hostname,
                            ^
1062.                                          strlen(s->tlsext_hostname), 2)
1063.                   || !WPACKET_close(pkt)

ssl/packet.c:284:10: Call
  282.   int WPACKET_sub_memcpy(WPACKET *pkt, const void *src, size_t len, size_t lenbytes)
  283.   {
  284.       if (!WPACKET_start_sub_packet_len(pkt, lenbytes)
                  ^
  285.               || !WPACKET_memcpy(pkt, src, len)
  286.               || !WPACKET_close(pkt))

ssl/packet.c:190:1: Parameter `pkt->buf->length`
    188.   }
    189.   
    190. > int WPACKET_start_sub_packet_len(WPACKET *pkt, size_t lenbytes)
    191.   {
    192.       WPACKET_SUB *sub;

ssl/packet.c:285:17: Call
  283.   {
  284.       if (!WPACKET_start_sub_packet_len(pkt, lenbytes)
  285.               || !WPACKET_memcpy(pkt, src, len)
                         ^
  286.               || !WPACKET_close(pkt))
  287.           return 0;

ssl/packet.c:267:1: Parameter `pkt->written`
    265.   }
    266.   
    267. > int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
    268.   {
    269.       unsigned char *dest;

ssl/packet.c:274:10: Call
    272.           return 1;
    273.   
    274.       if (!WPACKET_allocate_bytes(pkt, len, &dest))
                    ^
    275.           return 0;
    276.   

ssl/packet.c:15:1: <LHS trace>
13.   #define DEFAULT_BUF_SIZE    256
14.   
15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
16.   {
17.       /* Internal API, so should not fail */

ssl/packet.c:15:1: Parameter `pkt->buf->length`
      13.   #define DEFAULT_BUF_SIZE    256
      14.   
      15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      16.   {
      17.       /* Internal API, so should not fail */

ssl/packet.c:15:1: <RHS trace>
13.   #define DEFAULT_BUF_SIZE    256
14.   
15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
16.   {
17.       /* Internal API, so should not fail */

ssl/packet.c:15:1: Parameter `len`
      13.   #define DEFAULT_BUF_SIZE    256
      14.   
      15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      16.   {
      17.       /* Internal API, so should not fail */

ssl/packet.c:25:9: Binary operation: ([0, +oo] - [0, s->s3->previous_client_finished_len + pkt->written + 20]):unsigned64 by call to `WPACKET_sub_memcpy` 
      23.           return 0;
      24.   
      25.       if (pkt->buf->length - pkt->written < len) {
                    ^
      26.           size_t newlen;
      27.   
