ssl/statem/statem_srvr.c:2250: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 34]):unsigned64 by call to `WPACKET_sub_memcpy__`.
Showing all 14 steps of the trace


ssl/statem/statem_srvr.c:2202:17: Call
2200.                   * tls_process_client_hello()
2201.                   */
2202.               || !WPACKET_memcpy(pkt, s->s3->server_random, SSL3_RANDOM_SIZE)) {
                        ^
2203.           SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_SERVER_HELLO,
2204.                    ERR_R_INTERNAL_ERROR);

ssl/packet.c:359:1: Parameter `pkt->buf->length`
  357.   }
  358.   
  359. > int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
  360.   {
  361.       unsigned char *dest;

ssl/statem/statem_srvr.c:2250:10: Call
2248.   #endif
2249.   
2250.       if (!WPACKET_sub_memcpy_u8(pkt, s->session->session_id, sl)
                 ^
2251.               || !s->method->put_cipher_by_char(s->s3->tmp.new_cipher, pkt, &len)
2252.               || !WPACKET_put_bytes_u8(pkt, compm)

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] - [pkt->written, pkt->written + 34]):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_server_hello(SSL *s, WPACKET *pkt)\n{\n    int compm;\n    size_t sl, len;\n    int version;\n    version = SSL_IS_TLS13(s) ? TLS1_2_VERSION : s->version;\n    if (!WPACKET_put_bytes_u16(pkt, version)\n            || !WPACKET_memcpy(pkt, s->s3->server_random, SSL3_RANDOM_SIZE)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_SERVER_HELLO,\n                 ERR_R_INTERNAL_ERROR);\n        return 0;\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        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_SERVER_HELLO,\n                 ERR_R_INTERNAL_ERROR);\n        return 0;\n    }\n    if (SSL_IS_TLS13(s))\n        sl = 0;\n#ifdef OPENSSL_NO_COMP\n    compm = 0;\n#else\n    if (SSL_IS_TLS13(s) || 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            || !tls_construct_extensions(s, pkt,\n                                         SSL_IS_TLS13(s)\n                                            ? SSL_EXT_TLS1_3_SERVER_HELLO\n                                            : SSL_EXT_TLS1_2_SERVER_HELLO,\n                                         NULL, 0)) {\n        return 0;\n    }\n    if (!(s->verify_mode & SSL_VERIFY_PEER)\n            && !ssl3_digest_cached_records(s, 0)) {\n         ;\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_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_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_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}']