ssl/statem/statem_srvr.c:1968: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 1]):unsigned64 by call to `ssl3_get_req_cert_type`.
Showing all 14 steps of the trace


ssl/statem/statem_srvr.c:1967:10: Call
1965.   
1966.       /* get the list of acceptable cert types */
1967.       if (!WPACKET_start_sub_packet_u8(pkt)
                 ^
1968.               || !ssl3_get_req_cert_type(s, pkt)
1969.               || !WPACKET_close(pkt)) {

ssl/packet.c:251:1: Parameter `pkt->buf->length`
  249.   }
  250.   
  251. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
  252.   {
  253.       WPACKET_SUB *sub;

ssl/statem/statem_srvr.c:1968:17: Call
1966.       /* get the list of acceptable cert types */
1967.       if (!WPACKET_start_sub_packet_u8(pkt)
1968.               || !ssl3_get_req_cert_type(s, pkt)
                        ^
1969.               || !WPACKET_close(pkt)) {
1970.           SSLerr(SSL_F_TLS_CONSTRUCT_CERTIFICATE_REQUEST, ERR_R_INTERNAL_ERROR);

ssl/s3_lib.c:3713:1: Parameter `pkt->written`
  3711.   }
  3712.   
  3713. > int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt)
  3714.   {
  3715.       uint32_t alg_k, alg_a = 0;

ssl/s3_lib.c:3728:20: Call
  3726.   #ifndef OPENSSL_NO_GOST
  3727.       if (s->version >= TLS1_VERSION && (alg_k & SSL_kGOST))
  3728.               return WPACKET_put_bytes_u8(pkt, TLS_CT_GOST01_SIGN)
                             ^
  3729.                       && WPACKET_put_bytes_u8(pkt, TLS_CT_GOST12_SIGN)
  3730.                       && WPACKET_put_bytes_u8(pkt, TLS_CT_GOST12_512_SIGN);

ssl/packet.c:288:1: Parameter `pkt->written`
    286.   }
    287.   
    288. > int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)
    289.   {
    290.       unsigned char *data;

ssl/packet.c:296:17: Call
    294.   
    295.       if (size > sizeof(unsigned int)
    296.               || !WPACKET_allocate_bytes(pkt, size, &data)
                           ^
    297.               || !put_value(data, val, size))
    298.           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:39:1: <LHS trace>
37.                        ? (p)->staticbuf : (unsigned char *)(p)->buf->data)
38.   
39. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
40.   {
41.       /* Internal API, so should not fail */

ssl/packet.c:39:1: Parameter `pkt->buf->length`
        37.                        ? (p)->staticbuf : (unsigned char *)(p)->buf->data)
        38.   
        39. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
        40.   {
        41.       /* Internal API, so should not fail */

ssl/packet.c:39:1: <RHS trace>
37.                        ? (p)->staticbuf : (unsigned char *)(p)->buf->data)
38.   
39. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
40.   {
41.       /* Internal API, so should not fail */

ssl/packet.c:39:1: Parameter `len`
        37.                        ? (p)->staticbuf : (unsigned char *)(p)->buf->data)
        38.   
        39. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
        40.   {
        41.       /* Internal API, so should not fail */

ssl/packet.c:49:36: Binary operation: ([0, +oo] - [pkt->written, pkt->written + 1]):unsigned64 by call to `ssl3_get_req_cert_type` 
        47.           return 0;
        48.   
        49.       if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
                                                 ^
        50.           size_t newlen;
        51.           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->staticbuf == NULL && (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 = GETBUF(pkt) + pkt->curr;
    return 1;
}
['int tls_construct_certificate_request(SSL *s, WPACKET *pkt)\n{\n    int i;\n    STACK_OF(X509_NAME) *sk = NULL;\n    if (!WPACKET_start_sub_packet_u8(pkt)\n            || !ssl3_get_req_cert_type(s, pkt)\n            || !WPACKET_close(pkt)) {\n        SSLerr(SSL_F_TLS_CONSTRUCT_CERTIFICATE_REQUEST, ERR_R_INTERNAL_ERROR);\n        goto err;\n    }\n    if (SSL_USE_SIGALGS(s)) {\n        const unsigned char *psigs;\n        size_t nl = tls12_get_psigalgs(s, &psigs);\n        if (!WPACKET_start_sub_packet_u16(pkt)\n                || !tls12_copy_sigalgs(s, pkt, psigs, nl)\n                || !WPACKET_close(pkt)) {\n            SSLerr(SSL_F_TLS_CONSTRUCT_CERTIFICATE_REQUEST,\n                   ERR_R_INTERNAL_ERROR);\n            goto err;\n        }\n    }\n    if (!WPACKET_start_sub_packet_u16(pkt)) {\n        SSLerr(SSL_F_TLS_CONSTRUCT_CERTIFICATE_REQUEST, ERR_R_INTERNAL_ERROR);\n        goto err;\n    }\n    sk = SSL_get_client_CA_list(s);\n    if (sk != NULL) {\n        for (i = 0; i < sk_X509_NAME_num(sk); i++) {\n            unsigned char *namebytes;\n            X509_NAME *name = sk_X509_NAME_value(sk, i);\n            int namelen;\n            if (name == NULL\n                    || (namelen = i2d_X509_NAME(name, NULL)) < 0\n                    || !WPACKET_sub_allocate_bytes_u16(pkt, namelen,\n                                                       &namebytes)\n                    || i2d_X509_NAME(name, &namebytes) != namelen) {\n                SSLerr(SSL_F_TLS_CONSTRUCT_CERTIFICATE_REQUEST,\n                       ERR_R_INTERNAL_ERROR);\n                goto err;\n            }\n        }\n    }\n    if (!WPACKET_close(pkt)) {\n        SSLerr(SSL_F_TLS_CONSTRUCT_CERTIFICATE_REQUEST, ERR_R_INTERNAL_ERROR);\n        goto err;\n    }\n    s->s3->tmp.cert_request = 1;\n    return 1;\n err:\n    ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_INTERNAL_ERROR);\n    return 0;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n    WPACKET_SUB *sub;\n    unsigned char *lenchars;\n    assert(pkt->subs != NULL);\n    if (pkt->subs == NULL)\n        return 0;\n    sub = OPENSSL_zalloc(sizeof(*sub));\n    if (sub == NULL)\n        return 0;\n    sub->parent = pkt->subs;\n    pkt->subs = sub;\n    sub->pwritten = pkt->written + lenbytes;\n    sub->lenbytes = lenbytes;\n    if (lenbytes == 0) {\n        sub->packet_len = 0;\n        return 1;\n    }\n    if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))\n        return 0;\n    sub->packet_len = lenchars - GETBUF(pkt);\n    return 1;\n}', '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->staticbuf == NULL && (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 = GETBUF(pkt) + pkt->curr;\n    return 1;\n}']