ssl/t1_lib.c:1063: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [0, `s->s3->previous_client_finished_len` + `pkt->written` + 21]):unsigned64 by call to `WPACKET_sub_memcpy__`.
Showing all 22 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:1057:14: Call
1055.       if (s->tlsext_hostname != NULL) {
1056.           /* Add TLS extension servername to the Client Hello message */
1057.           if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_name)
                     ^
1058.                      /* Sub-packet for server_name extension */
1059.                   || !WPACKET_start_sub_packet_u16(pkt)

ssl/packet.c:261:1: Parameter `pkt->written`
  259.   }
  260.   
  261. > int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)
  262.   {
  263.       unsigned char *data;

ssl/t1_lib.c:1059:21: Call
1057.           if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_name)
1058.                      /* Sub-packet for server_name extension */
1059.                   || !WPACKET_start_sub_packet_u16(pkt)
                            ^
1060.                      /* Sub-packet for servername list (always 1 hostname)*/
1061.                   || !WPACKET_start_sub_packet_u16(pkt)

ssl/packet.c:224:1: Parameter `pkt->written`
  222.   }
  223.   
  224. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
  225.   {
  226.       WPACKET_SUB *sub;

ssl/t1_lib.c:1061:21: Call
1059.                   || !WPACKET_start_sub_packet_u16(pkt)
1060.                      /* Sub-packet for servername list (always 1 hostname)*/
1061.                   || !WPACKET_start_sub_packet_u16(pkt)
                            ^
1062.                   || !WPACKET_put_bytes_u8(pkt, TLSEXT_NAMETYPE_host_name)
1063.                   || !WPACKET_sub_memcpy_u16(pkt, s->tlsext_hostname,

ssl/packet.c:224:1: Parameter `pkt->written`
  222.   }
  223.   
  224. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
  225.   {
  226.       WPACKET_SUB *sub;

ssl/t1_lib.c:1062:21: Call
1060.                      /* Sub-packet for servername list (always 1 hostname)*/
1061.                   || !WPACKET_start_sub_packet_u16(pkt)
1062.                   || !WPACKET_put_bytes_u8(pkt, TLSEXT_NAMETYPE_host_name)
                            ^
1063.                   || !WPACKET_sub_memcpy_u16(pkt, s->tlsext_hostname,
1064.                                              strlen(s->tlsext_hostname))

ssl/packet.c:261:1: Parameter `pkt->written`
  259.   }
  260.   
  261. > int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)
  262.   {
  263.       unsigned char *data;

ssl/t1_lib.c:1063:21: Call
1061.                   || !WPACKET_start_sub_packet_u16(pkt)
1062.                   || !WPACKET_put_bytes_u8(pkt, TLSEXT_NAMETYPE_host_name)
1063.                   || !WPACKET_sub_memcpy_u16(pkt, s->tlsext_hostname,
                            ^
1064.                                              strlen(s->tlsext_hostname))
1065.                   || !WPACKET_close(pkt)

ssl/packet.c:320:10: Call
  318.                            size_t lenbytes)
  319.   {
  320.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
                  ^
  321.               || !WPACKET_memcpy(pkt, src, len)
  322.               || !WPACKET_close(pkt))

ssl/packet.c:224:1: Parameter `pkt->buf->length`
    222.   }
    223.   
    224. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    225.   {
    226.       WPACKET_SUB *sub;

ssl/packet.c:321:17: Call
  319.   {
  320.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
  321.               || !WPACKET_memcpy(pkt, src, len)
                         ^
  322.               || !WPACKET_close(pkt))
  323.           return 0;

ssl/packet.c:302:1: Parameter `pkt->written`
    300.   }
    301.   
    302. > int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
    303.   {
    304.       unsigned char *dest;

ssl/packet.c:309:10: Call
    307.           return 1;
    308.   
    309.       if (!WPACKET_allocate_bytes(pkt, len, &dest))
                    ^
    310.           return 0;
    311.   

ssl/packet.c:15:1: Parameter `pkt->written`
      13.   #define DEFAULT_BUF_SIZE    256
      14.   
      15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      16.   {
      17.       if (!WPACKET_reserve_bytes(pkt, len, allocbytes))

ssl/packet.c:17:10: Call
      15.   int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      16.   {
      17.       if (!WPACKET_reserve_bytes(pkt, len, allocbytes))
                     ^
      18.           return 0;
      19.   

ssl/packet.c:36:1: <LHS trace>
34.   }
35.   
36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
37.   {
38.       /* Internal API, so should not fail */

ssl/packet.c:36:1: Parameter `pkt->buf->length`
        34.   }
        35.   
        36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
        37.   {
        38.       /* Internal API, so should not fail */

ssl/packet.c:36:1: <RHS trace>
34.   }
35.   
36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
37.   {
38.       /* Internal API, so should not fail */

ssl/packet.c:36:1: Parameter `len`
        34.   }
        35.   
        36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
        37.   {
        38.       /* Internal API, so should not fail */

ssl/packet.c:46:9: Binary operation: ([0, +oo] - [0, s->s3->previous_client_finished_len + pkt->written + 21]):unsigned64 by call to `WPACKET_sub_memcpy__` 
        44.           return 0;
        45.   
        46.       if (pkt->buf->length - pkt->written < len) {
                      ^
        47.           size_t newlen;
        48.           size_t reflen;
