ssl/statem/statem_srvr.c:1548: error: BUFFER_OVERRUN_S2
  Offset added: [`pkt->curr` + 32, `pkt->curr` + 36] (⇐ [`pkt->curr`, `pkt->curr` + 4] + 32) Size: [1, 2147483644] by call to `WPACKET_memcpy`.
Showing all 13 steps of the trace


ssl/statem/statem_srvr.c:1538:1: Parameter `pkt->curr`
1536.   }
1537.   
1538. > int tls_construct_server_hello(SSL *s, WPACKET *pkt)
1539.   {
1540.       int compm, al = SSL_AD_INTERNAL_ERROR;

ssl/statem/statem_srvr.c:1543:10: Call
1541.       size_t sl, len;
1542.   
1543.       if (!WPACKET_put_bytes_u16(pkt, s->version)
                 ^
1544.                  /*
1545.                   * Random stuff. Filling of the server_random takes place in

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

ssl/statem/statem_srvr.c:1548:17: Call
1546.                   * tls_process_client_hello()
1547.                   */
1548.               || !WPACKET_memcpy(pkt, s->s3->server_random, SSL3_RANDOM_SIZE)) {
                        ^
1549.           SSLerr(SSL_F_TLS_CONSTRUCT_SERVER_HELLO, ERR_R_INTERNAL_ERROR);
1550.           goto err;

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

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

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

ssl/packet.c:302:1: Parameter `*pkt->buf->data`
  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 `**allocbytes`
    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: Parameter `**allocbytes`
      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:312:5: Array access: Offset added: [pkt->curr + 32, pkt->curr + 36] (⇐ [pkt->curr, pkt->curr + 4] + 32) Size: [1, 2147483644] by call to `WPACKET_memcpy` 
  310.           return 0;
  311.   
  312.       memcpy(dest, src, len);
             ^
  313.   
  314.       return 1;

int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
{
    unsigned char *dest;
    if (len == 0)
        return 1;
    if (!WPACKET_allocate_bytes(pkt, len, &dest))
        return 0;
    memcpy(dest, src, len);
    return 1;
}
['int tls_construct_server_hello(SSL *s, WPACKET *pkt)\n{\n    int compm, al = SSL_AD_INTERNAL_ERROR;\n    size_t sl, len;\n    if (!WPACKET_put_bytes_u16(pkt, s->version)\n            || !WPACKET_memcpy(pkt, s->s3->server_random, SSL3_RANDOM_SIZE)) {\n        SSLerr(SSL_F_TLS_CONSTRUCT_SERVER_HELLO, ERR_R_INTERNAL_ERROR);\n        goto err;\n    }\n    if (s->session->not_resumable ||\n        (!(s->ctx->session_cache_mode & SSL_SESS_CACHE_SERVER)\n         && !s->hit))\n        s->session->session_id_length = 0;\n    sl = s->session->session_id_length;\n    if (sl > sizeof(s->session->session_id)) {\n        SSLerr(SSL_F_TLS_CONSTRUCT_SERVER_HELLO, ERR_R_INTERNAL_ERROR);\n        goto err;\n    }\n#ifdef OPENSSL_NO_COMP\n    compm = 0;\n#else\n    if (s->s3->tmp.new_compression == NULL)\n        compm = 0;\n    else\n        compm = s->s3->tmp.new_compression->id;\n#endif\n    if (!WPACKET_sub_memcpy_u8(pkt, s->session->session_id, sl)\n            || !s->method->put_cipher_by_char(s->s3->tmp.new_cipher, pkt, &len)\n            || !WPACKET_put_bytes_u8(pkt, compm)\n            || !ssl_prepare_serverhello_tlsext(s)\n            || !ssl_add_serverhello_tlsext(s, pkt, &al)) {\n        SSLerr(SSL_F_TLS_CONSTRUCT_SERVER_HELLO, ERR_R_INTERNAL_ERROR);\n        goto err;\n    }\n    return 1;\n err:\n    ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR);\n    return 0;\n}', 'int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)\n{\n    unsigned char *data;\n    assert(size <= sizeof(unsigned int));\n    if (size > sizeof(unsigned int)\n            || !WPACKET_allocate_bytes(pkt, size, &data)\n            || !put_value(data, val, size))\n        return 0;\n    return 1;\n}', 'int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)\n{\n    unsigned char *dest;\n    if (len == 0)\n        return 1;\n    if (!WPACKET_allocate_bytes(pkt, len, &dest))\n        return 0;\n    memcpy(dest, src, len);\n    return 1;\n}', 'int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n    if (!WPACKET_reserve_bytes(pkt, len, allocbytes))\n        return 0;\n    pkt->written += len;\n    pkt->curr += len;\n    return 1;\n}', 'int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)\n{\n    assert(pkt->subs != NULL && len != 0);\n    if (pkt->subs == NULL || len == 0)\n        return 0;\n    if (pkt->maxsize - pkt->written < len)\n        return 0;\n    if (pkt->buf->length - pkt->written < len) {\n        size_t newlen;\n        size_t reflen;\n        reflen = (len > pkt->buf->length) ? len : pkt->buf->length;\n        if (reflen > SIZE_MAX / 2) {\n            newlen = SIZE_MAX;\n        } else {\n            newlen = reflen * 2;\n            if (newlen < DEFAULT_BUF_SIZE)\n                newlen = DEFAULT_BUF_SIZE;\n        }\n        if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n            return 0;\n    }\n    *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;\n    return 1;\n}']