ssl/s3_lib.c:3758: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 16]):unsigned64 by call to `WPACKET_put_bytes__`.
Showing all 11 steps of the trace


ssl/s3_lib.c:3711:1: Parameter `pkt->written`
3709.   }
3710.   
3711. > int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt)
3712.   {
3713.       uint32_t alg_k, alg_a = 0;

ssl/s3_lib.c:3758:17: Call
3756.       if (s->version >= TLS1_VERSION
3757.               && !(alg_a & SSL_aECDSA)
3758.               && !WPACKET_put_bytes_u8(pkt, TLS_CT_ECDSA_SIGN))
                        ^
3759.           return 0;
3760.   #endif

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/packet.c:269:17: Call
  267.   
  268.       if (size > sizeof(unsigned int)
  269.               || !WPACKET_allocate_bytes(pkt, size, &data)
                         ^
  270.               || !put_value(data, val, size))
  271.           return 0;

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] - [pkt->written, pkt->written + 16]):unsigned64 by call to `WPACKET_put_bytes__` 
      44.           return 0;
      45.   
      46.       if (pkt->buf->length - pkt->written < len) {
                    ^
      47.           size_t newlen;
      48.           size_t reflen;

int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
    assert(pkt->subs != NULL && len != 0);
    if (pkt->subs == NULL || len == 0)
        return 0;
    if (pkt->maxsize - pkt->written < len)
        return 0;
    if (pkt->buf->length - pkt->written < len) {
        size_t newlen;
        size_t reflen;
        reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
        if (reflen > SIZE_MAX / 2) {
            newlen = SIZE_MAX;
        } else {
            newlen = reflen * 2;
            if (newlen < DEFAULT_BUF_SIZE)
                newlen = DEFAULT_BUF_SIZE;
        }
        if (BUF_MEM_grow(pkt->buf, newlen) == 0)
            return 0;
    }
    *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
    return 1;
}
['int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt)\n{\n    uint32_t alg_k, alg_a = 0;\n    if (s->cert->ctypes) {\n        return WPACKET_memcpy(pkt, s->cert->ctypes, s->cert->ctype_num);\n    }\n    ssl_set_sig_mask(&alg_a, s, SSL_SECOP_SIGALG_MASK);\n    alg_k = s->s3->tmp.new_cipher->algorithm_mkey;\n#ifndef OPENSSL_NO_GOST\n    if (s->version >= TLS1_VERSION && (alg_k & SSL_kGOST))\n            return WPACKET_put_bytes_u8(pkt, TLS_CT_GOST01_SIGN)\n                    && WPACKET_put_bytes_u8(pkt, TLS_CT_GOST12_SIGN)\n                    && WPACKET_put_bytes_u8(pkt, TLS_CT_GOST12_512_SIGN);\n#endif\n    if ((s->version == SSL3_VERSION) && (alg_k & SSL_kDHE)) {\n#ifndef OPENSSL_NO_DH\n# ifndef OPENSSL_NO_RSA\n        if (!WPACKET_put_bytes_u8(pkt, SSL3_CT_RSA_EPHEMERAL_DH))\n            return 0;\n# endif\n# ifndef OPENSSL_NO_DSA\n        if (!WPACKET_put_bytes_u8(pkt, SSL3_CT_DSS_EPHEMERAL_DH))\n            return 0;\n# endif\n#endif\n    }\n#ifndef OPENSSL_NO_RSA\n    if (!(alg_a & SSL_aRSA) && !WPACKET_put_bytes_u8(pkt, SSL3_CT_RSA_SIGN))\n        return 0;\n#endif\n#ifndef OPENSSL_NO_DSA\n    if (!(alg_a & SSL_aDSS) && !WPACKET_put_bytes_u8(pkt, SSL3_CT_DSS_SIGN))\n        return 0;\n#endif\n#ifndef OPENSSL_NO_EC\n    if (s->version >= TLS1_VERSION\n            && !(alg_a & SSL_aECDSA)\n            && !WPACKET_put_bytes_u8(pkt, TLS_CT_ECDSA_SIGN))\n        return 0;\n#endif\n    return 1;\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_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}']