ssl/statem/statem_clnt.c:2429: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 9]):unsigned64 by call to `WPACKET_sub_memcpy__`.
Showing all 14 steps of the trace


ssl/statem/statem_clnt.c:2324:1: Parameter `pkt->written`
2322.   }
2323.   
2324. > static int tls_construct_cke_gost(SSL *s, WPACKET *pkt, int *al)
2325.   {
2326.   #ifndef OPENSSL_NO_GOST

ssl/statem/statem_clnt.c:2427:10: Call
2425.       }
2426.   
2427.       if (!WPACKET_put_bytes(pkt, V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED, 1)
                 ^
2428.               || (msglen >= 0x80 && !WPACKET_put_bytes(pkt, 0x81, 1))
2429.               || !WPACKET_sub_memcpy_u8(pkt, tmp, msglen)) {

ssl/packet.c:237:1: Parameter `pkt->written`
  235.   }
  236.   
  237. > int WPACKET_put_bytes(WPACKET *pkt, unsigned int val, size_t size)
  238.   {
  239.       unsigned char *data;

ssl/statem/statem_clnt.c:2429:17: Call
2427.       if (!WPACKET_put_bytes(pkt, V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED, 1)
2428.               || (msglen >= 0x80 && !WPACKET_put_bytes(pkt, 0x81, 1))
2429.               || !WPACKET_sub_memcpy_u8(pkt, tmp, msglen)) {
                        ^
2430.           *al = SSL_AD_INTERNAL_ERROR;
2431.           SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, ERR_R_INTERNAL_ERROR);

ssl/packet.c:296:10: Call
  294.                            size_t lenbytes)
  295.   {
  296.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
                  ^
  297.               || !WPACKET_memcpy(pkt, src, len)
  298.               || !WPACKET_close(pkt))

ssl/packet.c:201:1: Parameter `pkt->buf->length`
    199.   }
    200.   
    201. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    202.   {
    203.       WPACKET_SUB *sub;

ssl/packet.c:297:17: Call
  295.   {
  296.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
  297.               || !WPACKET_memcpy(pkt, src, len)
                         ^
  298.               || !WPACKET_close(pkt))
  299.           return 0;

ssl/packet.c:278:1: Parameter `pkt->written`
    276.   }
    277.   
    278. > int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
    279.   {
    280.       unsigned char *dest;

ssl/packet.c:285:10: Call
    283.           return 1;
    284.   
    285.       if (!WPACKET_allocate_bytes(pkt, len, &dest))
                    ^
    286.           return 0;
    287.   

ssl/packet.c:15:1: <LHS trace>
13.   #define DEFAULT_BUF_SIZE    256
14.   
15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
16.   {
17.       /* Internal API, so should not fail */

ssl/packet.c:15:1: Parameter `pkt->buf->length`
      13.   #define DEFAULT_BUF_SIZE    256
      14.   
      15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      16.   {
      17.       /* Internal API, so should not fail */

ssl/packet.c:15:1: <RHS trace>
13.   #define DEFAULT_BUF_SIZE    256
14.   
15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
16.   {
17.       /* Internal API, so should not fail */

ssl/packet.c:15:1: Parameter `len`
      13.   #define DEFAULT_BUF_SIZE    256
      14.   
      15. > int WPACKET_allocate_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
      16.   {
      17.       /* Internal API, so should not fail */

ssl/packet.c:25:9: Binary operation: ([0, +oo] - [pkt->written, pkt->written + 9]):unsigned64 by call to `WPACKET_sub_memcpy__` 
      23.           return 0;
      24.   
      25.       if (pkt->buf->length - pkt->written < len) {
                    ^
      26.           size_t newlen;
      27.   

int WPACKET_allocate_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->buf->length - pkt->written < len) {
        size_t newlen;
        if (pkt->buf->length > SIZE_MAX / 2) {
            newlen = SIZE_MAX;
        } else {
            newlen = (pkt->buf->length == 0) ? DEFAULT_BUF_SIZE
                                             : pkt->buf->length * 2;
        }
        if (BUF_MEM_grow(pkt->buf, newlen) == 0)
            return 0;
    }
    *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
    pkt->written += len;
    pkt->curr += len;
    return 1;
}
['static int tls_construct_cke_gost(SSL *s, WPACKET *pkt, int *al)\n{\n#ifndef OPENSSL_NO_GOST\n    EVP_PKEY_CTX *pkey_ctx = NULL;\n    X509 *peer_cert;\n    size_t msglen;\n    unsigned int md_len;\n    unsigned char shared_ukm[32], tmp[256];\n    EVP_MD_CTX *ukm_hash = NULL;\n    int dgst_nid = NID_id_GostR3411_94;\n    unsigned char *pms = NULL;\n    size_t pmslen = 0;\n    if ((s->s3->tmp.new_cipher->algorithm_auth & SSL_aGOST12) != 0)\n        dgst_nid = NID_id_GostR3411_2012_256;\n    peer_cert = s->session->peer;\n    if (!peer_cert) {\n        *al = SSL_AD_HANDSHAKE_FAILURE;\n        SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST,\n               SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER);\n        return 0;\n    }\n    pkey_ctx = EVP_PKEY_CTX_new(X509_get0_pubkey(peer_cert), NULL);\n    if (pkey_ctx == NULL) {\n        *al = SSL_AD_INTERNAL_ERROR;\n        SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, ERR_R_MALLOC_FAILURE);\n        return 0;\n    }\n    pmslen = 32;\n    pms = OPENSSL_malloc(pmslen);\n    if (pms == NULL) {\n        *al = SSL_AD_INTERNAL_ERROR;\n        SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, ERR_R_MALLOC_FAILURE);\n        goto err;\n    }\n    if (EVP_PKEY_encrypt_init(pkey_ctx) <= 0\n        || RAND_bytes(pms, pmslen) <= 0) {\n        *al = SSL_AD_INTERNAL_ERROR;\n        SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, ERR_R_INTERNAL_ERROR);\n        goto err;\n    };\n    if (s->s3->tmp.cert_req && s->cert->key->privatekey) {\n        if (EVP_PKEY_derive_set_peer(pkey_ctx, s->cert->key->privatekey) <= 0) {\n            ERR_clear_error();\n        }\n    }\n    ukm_hash = EVP_MD_CTX_new();\n    if (ukm_hash == NULL\n        || EVP_DigestInit(ukm_hash, EVP_get_digestbynid(dgst_nid)) <= 0\n        || EVP_DigestUpdate(ukm_hash, s->s3->client_random,\n                            SSL3_RANDOM_SIZE) <= 0\n        || EVP_DigestUpdate(ukm_hash, s->s3->server_random,\n                            SSL3_RANDOM_SIZE) <= 0\n        || EVP_DigestFinal_ex(ukm_hash, shared_ukm, &md_len) <= 0) {\n        *al = SSL_AD_INTERNAL_ERROR;\n        SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, ERR_R_INTERNAL_ERROR);\n        goto err;\n    }\n    EVP_MD_CTX_free(ukm_hash);\n    ukm_hash = NULL;\n    if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT,\n                          EVP_PKEY_CTRL_SET_IV, 8, shared_ukm) < 0) {\n        *al = SSL_AD_INTERNAL_ERROR;\n        SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, SSL_R_LIBRARY_BUG);\n        goto err;\n    }\n    msglen = 255;\n    if (EVP_PKEY_encrypt(pkey_ctx, tmp, &msglen, pms, pmslen) <= 0) {\n        *al = SSL_AD_INTERNAL_ERROR;\n        SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, SSL_R_LIBRARY_BUG);\n        goto err;\n    }\n    if (!WPACKET_put_bytes(pkt, V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED, 1)\n            || (msglen >= 0x80 && !WPACKET_put_bytes(pkt, 0x81, 1))\n            || !WPACKET_sub_memcpy_u8(pkt, tmp, msglen)) {\n        *al = SSL_AD_INTERNAL_ERROR;\n        SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, ERR_R_INTERNAL_ERROR);\n        goto err;\n    }\n    if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, -1, EVP_PKEY_CTRL_PEER_KEY, 2,\n                          NULL) > 0) {\n        s->s3->flags |= TLS1_FLAGS_SKIP_CERT_VERIFY;\n    }\n    EVP_PKEY_CTX_free(pkey_ctx);\n    s->s3->tmp.pms = pms;\n    s->s3->tmp.pmslen = pmslen;\n    return 1;\n err:\n    EVP_PKEY_CTX_free(pkey_ctx);\n    OPENSSL_clear_free(pms, pmslen);\n    EVP_MD_CTX_free(ukm_hash);\n    return 0;\n#else\n    SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, ERR_R_INTERNAL_ERROR);\n    *al = SSL_AD_INTERNAL_ERROR;\n    return 0;\n#endif\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_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    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 - (unsigned char *)pkt->buf->data;\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_allocate_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->buf->length - pkt->written < len) {\n        size_t newlen;\n        if (pkt->buf->length > SIZE_MAX / 2) {\n            newlen = SIZE_MAX;\n        } else {\n            newlen = (pkt->buf->length == 0) ? DEFAULT_BUF_SIZE\n                                             : pkt->buf->length * 2;\n        }\n        if (BUF_MEM_grow(pkt->buf, newlen) == 0)\n            return 0;\n    }\n    *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;\n    pkt->written += len;\n    pkt->curr += len;\n    return 1;\n}']