ssl/statem/statem_clnt.c:1184: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [0, `pkt->written` + 67]):unsigned64 by call to `WPACKET_sub_memcpy__`.
Showing all 14 steps of the trace


ssl/statem/statem_clnt.c:1172:17: Call
1170.       }
1171.       if (sess_id_len > sizeof(s->session->session_id)
1172.               || !WPACKET_start_sub_packet_u8(pkt)
                        ^
1173.               || (sess_id_len != 0 && !WPACKET_memcpy(pkt, session_id,
1174.                                                       sess_id_len))

ssl/packet.c:270:1: Parameter `pkt->buf->length`
  268.   }
  269.   
  270. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
  271.   {
  272.       WPACKET_SUB *sub;

ssl/statem/statem_clnt.c:1184:21: Call
1182.       if (SSL_IS_DTLS(s)) {
1183.           if (s->d1->cookie_len > sizeof(s->d1->cookie)
1184.                   || !WPACKET_sub_memcpy_u8(pkt, s->d1->cookie,
                            ^
1185.                                             s->d1->cookie_len)) {
1186.               SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,

ssl/packet.c:374:1: Parameter `pkt->written`
  372.   }
  373.   
  374. > int WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,
  375.                            size_t lenbytes)
  376.   {

ssl/packet.c:377:10: Call
  375.                            size_t lenbytes)
  376.   {
  377.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
                  ^
  378.               || !WPACKET_memcpy(pkt, src, len)
  379.               || !WPACKET_close(pkt))

ssl/packet.c:270:1: Parameter `pkt->written`
    268.   }
    269.   
    270. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    271.   {
    272.       WPACKET_SUB *sub;

ssl/packet.c:293:10: Call
    291.       }
    292.   
    293.       if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))
                    ^
    294.           return 0;
    295.       /* Convert to an offset in case the underlying BUF_MEM gets realloc'd */

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:48:36: Binary operation: ([0, +oo] - [0, pkt->written + 67]):unsigned64 by call to `WPACKET_sub_memcpy__` 
        46.           return 0;
        47.   
        48.       if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
                                                 ^
        49.           size_t newlen;
        50.           size_t reflen;

int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
    if (!ossl_assert(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;
    }
    if (allocbytes != NULL)
        *allocbytes = WPACKET_get_curr(pkt);
    return 1;
}
['int tls_construct_client_hello(SSL *s, WPACKET *pkt)\n{\n    unsigned char *p;\n    size_t sess_id_len;\n    int i, protverr;\n#ifndef OPENSSL_NO_COMP\n    SSL_COMP *comp;\n#endif\n    SSL_SESSION *sess = s->session;\n    unsigned char *session_id;\n    if (!WPACKET_set_max_size(pkt, SSL3_RT_MAX_PLAIN_LENGTH)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n                 SSL_F_TLS_CONSTRUCT_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n        return 0;\n    }\n    protverr = ssl_set_client_hello_version(s);\n    if (protverr != 0) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                 protverr);\n        return 0;\n    }\n    if (sess == NULL\n            || !ssl_version_supported(s, sess->ssl_version)\n            || !SSL_SESSION_is_resumable(sess)) {\n        if (!s->hello_retry_request && !ssl_get_new_session(s, 0)) {\n            return 0;\n        }\n    }\n    p = s->s3->client_random;\n    if (SSL_IS_DTLS(s)) {\n        size_t idx;\n        i = 1;\n        for (idx = 0; idx < sizeof(s->s3->client_random); idx++) {\n            if (p[idx]) {\n                i = 0;\n                break;\n            }\n        }\n    } else {\n        i = s->hello_retry_request == 0;\n    }\n    if (i && ssl_fill_hello_random(s, 0, p, sizeof(s->s3->client_random),\n                                   DOWNGRADE_NONE) <= 0) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                 ERR_R_INTERNAL_ERROR);\n        return 0;\n    }\n    if (!WPACKET_put_bytes_u16(pkt, s->client_version)\n            || !WPACKET_memcpy(pkt, s->s3->client_random, SSL3_RANDOM_SIZE)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                 ERR_R_INTERNAL_ERROR);\n        return 0;\n    }\n    session_id = s->session->session_id;\n    if (s->new_session || s->session->ssl_version == TLS1_3_VERSION) {\n        if (s->version == TLS1_3_VERSION\n                && (s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) != 0) {\n            sess_id_len = sizeof(s->tmp_session_id);\n            s->tmp_session_id_len = sess_id_len;\n            session_id = s->tmp_session_id;\n            if (!s->hello_retry_request\n                    && ssl_randbytes(s, s->tmp_session_id,\n                                     sess_id_len) <= 0) {\n                SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n                         SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                         ERR_R_INTERNAL_ERROR);\n                return 0;\n            }\n        } else {\n            sess_id_len = 0;\n        }\n    } else {\n        sess_id_len = s->session->session_id_length;\n        if (s->version == TLS1_3_VERSION) {\n            s->tmp_session_id_len = sess_id_len;\n            memcpy(s->tmp_session_id, s->session->session_id, sess_id_len);\n        }\n    }\n    if (sess_id_len > sizeof(s->session->session_id)\n            || !WPACKET_start_sub_packet_u8(pkt)\n            || (sess_id_len != 0 && !WPACKET_memcpy(pkt, session_id,\n                                                    sess_id_len))\n            || !WPACKET_close(pkt)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                 ERR_R_INTERNAL_ERROR);\n        return 0;\n    }\n    if (SSL_IS_DTLS(s)) {\n        if (s->d1->cookie_len > sizeof(s->d1->cookie)\n                || !WPACKET_sub_memcpy_u8(pkt, s->d1->cookie,\n                                          s->d1->cookie_len)) {\n            SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                     ERR_R_INTERNAL_ERROR);\n            return 0;\n        }\n    }\n    if (!WPACKET_start_sub_packet_u16(pkt)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                 ERR_R_INTERNAL_ERROR);\n        return 0;\n    }\n    if (!ssl_cipher_list_to_bytes(s, SSL_get_ciphers(s), pkt)) {\n        return 0;\n    }\n    if (!WPACKET_close(pkt)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                 ERR_R_INTERNAL_ERROR);\n        return 0;\n    }\n    if (!WPACKET_start_sub_packet_u8(pkt)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                 ERR_R_INTERNAL_ERROR);\n        return 0;\n    }\n#ifndef OPENSSL_NO_COMP\n    if (ssl_allow_compression(s)\n            && s->ctx->comp_methods\n            && (SSL_IS_DTLS(s) || s->s3->tmp.max_ver < TLS1_3_VERSION)) {\n        int compnum = sk_SSL_COMP_num(s->ctx->comp_methods);\n        for (i = 0; i < compnum; i++) {\n            comp = sk_SSL_COMP_value(s->ctx->comp_methods, i);\n            if (!WPACKET_put_bytes_u8(pkt, comp->id)) {\n                SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n                         SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                         ERR_R_INTERNAL_ERROR);\n                return 0;\n            }\n        }\n    }\n#endif\n    if (!WPACKET_put_bytes_u8(pkt, 0) || !WPACKET_close(pkt)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,\n                 ERR_R_INTERNAL_ERROR);\n        return 0;\n    }\n    if (!tls_construct_extensions(s, pkt, SSL_EXT_CLIENT_HELLO, NULL, 0)) {\n        return 0;\n    }\n    return 1;\n}', 'int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)\n{\n    WPACKET_SUB *sub;\n    unsigned char *lenchars;\n    if (!ossl_assert(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 WPACKET_sub_memcpy__(WPACKET *pkt, const void *src, size_t len,\n                         size_t lenbytes)\n{\n    if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)\n            || !WPACKET_memcpy(pkt, src, len)\n            || !WPACKET_close(pkt))\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    if (!ossl_assert(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    if (allocbytes != NULL)\n        *allocbytes = WPACKET_get_curr(pkt);\n    return 1;\n}']