ssl/statem/statem_clnt.c:3476: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [0, `s->pha_context_len` + `pkt->written` + 1]):unsigned64 by call to `ssl3_output_cert_chain`.
Showing all 13 steps of the trace


ssl/statem/statem_clnt.c:3460:1: Parameter `pkt->written`
3458.   }
3459.   
3460. > int tls_construct_client_certificate(SSL *s, WPACKET *pkt)
3461.   {
3462.       if (SSL_IS_TLS13(s)) {

ssl/statem/statem_clnt.c:3476:10: Call
3474.           }
3475.       }
3476.       if (!ssl3_output_cert_chain(s, pkt,
                 ^
3477.                                   (s->s3->tmp.cert_req == 2) ? NULL
3478.                                                              : s->cert->key)) {

ssl/statem/statem_lib.c:978:1: Parameter `pkt->written`
  976.   }
  977.   
  978. > unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, CERT_PKEY *cpk)
  979.   {
  980.       if (!WPACKET_start_sub_packet_u24(pkt)) {

ssl/statem/statem_lib.c:980:10: Call
  978.   unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, CERT_PKEY *cpk)
  979.   {
  980.       if (!WPACKET_start_sub_packet_u24(pkt)) {
                  ^
  981.           SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_OUTPUT_CERT_CHAIN,
  982.                    ERR_R_INTERNAL_ERROR);

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, s->pha_context_len + pkt->written + 1]):unsigned64 by call to `ssl3_output_cert_chain` 
        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_certificate(SSL *s, WPACKET *pkt)\n{\n    if (SSL_IS_TLS13(s)) {\n        if (s->pha_context == NULL) {\n            if (!WPACKET_put_bytes_u8(pkt, 0)) {\n                SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n                         SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE, ERR_R_INTERNAL_ERROR);\n                return 0;\n            }\n        } else if (!WPACKET_sub_memcpy_u8(pkt, s->pha_context, s->pha_context_len)) {\n            SSLfatal(s, SSL_AD_INTERNAL_ERROR,\n                     SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE, ERR_R_INTERNAL_ERROR);\n            return 0;\n        }\n    }\n    if (!ssl3_output_cert_chain(s, pkt,\n                                (s->s3->tmp.cert_req == 2) ? NULL\n                                                           : s->cert->key)) {\n        return 0;\n    }\n    if (SSL_IS_TLS13(s)\n            && SSL_IS_FIRST_HANDSHAKE(s)\n            && (!s->method->ssl3_enc->change_cipher_state(s,\n                    SSL3_CC_HANDSHAKE | SSL3_CHANGE_CIPHER_CLIENT_WRITE))) {\n        SSLfatal(s, SSL_AD_NO_ALERT, SSL_F_TLS_CONSTRUCT_CLIENT_CERTIFICATE,\n                 SSL_R_CANNOT_CHANGE_CIPHER);\n        return 0;\n    }\n    return 1;\n}', 'unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, CERT_PKEY *cpk)\n{\n    if (!WPACKET_start_sub_packet_u24(pkt)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_OUTPUT_CERT_CHAIN,\n                 ERR_R_INTERNAL_ERROR);\n        return 0;\n    }\n    if (!ssl_add_cert_chain(s, pkt, cpk))\n        return 0;\n    if (!WPACKET_close(pkt)) {\n        SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_OUTPUT_CERT_CHAIN,\n                 ERR_R_INTERNAL_ERROR);\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_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}']