ssl/statem/statem_clnt.c:1227: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 34]):unsigned64 by call to `WPACKET_start_sub_packet_len__`.
Showing all 12 steps of the trace


ssl/statem/statem_clnt.c:1195:17: Call
1193.        */
1194.       if (!WPACKET_put_bytes_u16(pkt, s->client_version)
1195.               || !WPACKET_memcpy(pkt, s->s3.client_random, SSL3_RANDOM_SIZE)) {
                        ^
1196.           SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CLIENT_HELLO,
1197.                    ERR_R_INTERNAL_ERROR);

ssl/packet.c:362:1: Parameter `pkt->buf->length`
  360.   }
  361.   
  362. > int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
  363.   {
  364.       unsigned char *dest;

ssl/statem/statem_clnt.c:1227:10: Call
1225.           }
1226.       }
1227.       if (!WPACKET_start_sub_packet_u8(pkt)
                 ^
1228.               || (sess_id_len != 0 && !WPACKET_memcpy(pkt, session_id,
1229.                                                       sess_id_len))

ssl/packet.c:272:1: Parameter `pkt->written`
  270.   }
  271.   
  272. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
  273.   {
  274.       WPACKET_SUB *sub;

ssl/packet.c:296:10: Call
  294.       }
  295.   
  296.       if (!WPACKET_allocate_bytes(pkt, lenbytes, &lenchars))
                  ^
  297.           return 0;
  298.       /* Convert to an offset in case the underlying BUF_MEM gets realloc'd */

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

ssl/packet.c:18:10: Call
    16.   int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
    17.   {
    18.       if (!WPACKET_reserve_bytes(pkt, len, allocbytes))
                   ^
    19.           return 0;
    20.   

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

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

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

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

ssl/packet.c:49:36: Binary operation: ([0, +oo] - [pkt->written, pkt->written + 34]):unsigned64 by call to `WPACKET_start_sub_packet_len__` 
      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)
{
    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    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, NULL)\n            || !SSL_SESSION_is_resumable(sess)) {\n        if (s->hello_retry_request == SSL_HRR_NONE\n                && !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 == SSL_HRR_NONE);\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 == SSL_HRR_NONE\n                    && RAND_bytes(s->tmp_session_id, 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        assert(s->session->session_id_length <= sizeof(s->session->session_id));\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 (!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_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_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    if ((sub = OPENSSL_zalloc(sizeof(*sub))) == NULL) {\n        SSLerr(SSL_F_WPACKET_START_SUB_PACKET_LEN__, ERR_R_MALLOC_FAILURE);\n        return 0;\n    }\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_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}']