ssl/statem/statem_clnt.c:2409: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - [`pkt->written`, `pkt->written` + 9]):unsigned64 by call to `WPACKET_sub_memcpy__`.
Showing all 16 steps of the trace


ssl/statem/statem_clnt.c:2316:1: Parameter `pkt->written`
2314.   }
2315.   
2316. > static int tls_construct_cke_gost(SSL *s, WPACKET *pkt, int *al)
2317.   {
2318.   #ifndef OPENSSL_NO_GOST

ssl/statem/statem_clnt.c:2407:10: Call
2405.       }
2406.   
2407.       if (!WPACKET_put_bytes_u8(pkt, V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED)
                 ^
2408.               || (msglen >= 0x80 && !WPACKET_put_bytes_u8(pkt, 0x81))
2409.               || !WPACKET_sub_memcpy_u8(pkt, tmp, msglen)) {

ssl/packet.c:261:1: Parameter `pkt->written`
  259.   }
  260.   
  261. > int WPACKET_put_bytes__(WPACKET *pkt, unsigned int val, size_t size)
  262.   {
  263.       unsigned char *data;

ssl/statem/statem_clnt.c:2409:17: Call
2407.       if (!WPACKET_put_bytes_u8(pkt, V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED)
2408.               || (msglen >= 0x80 && !WPACKET_put_bytes_u8(pkt, 0x81))
2409.               || !WPACKET_sub_memcpy_u8(pkt, tmp, msglen)) {
                        ^
2410.           *al = SSL_AD_INTERNAL_ERROR;
2411.           SSLerr(SSL_F_TLS_CONSTRUCT_CKE_GOST, ERR_R_INTERNAL_ERROR);

ssl/packet.c:320:10: Call
  318.                            size_t lenbytes)
  319.   {
  320.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
                  ^
  321.               || !WPACKET_memcpy(pkt, src, len)
  322.               || !WPACKET_close(pkt))

ssl/packet.c:224:1: Parameter `pkt->buf->length`
    222.   }
    223.   
    224. > int WPACKET_start_sub_packet_len__(WPACKET *pkt, size_t lenbytes)
    225.   {
    226.       WPACKET_SUB *sub;

ssl/packet.c:321:17: Call
  319.   {
  320.       if (!WPACKET_start_sub_packet_len__(pkt, lenbytes)
  321.               || !WPACKET_memcpy(pkt, src, len)
                         ^
  322.               || !WPACKET_close(pkt))
  323.           return 0;

ssl/packet.c:302:1: Parameter `pkt->written`
    300.   }
    301.   
    302. > int WPACKET_memcpy(WPACKET *pkt, const void *src, size_t len)
    303.   {
    304.       unsigned char *dest;

ssl/packet.c:309:10: Call
    307.           return 1;
    308.   
    309.       if (!WPACKET_allocate_bytes(pkt, len, &dest))
                    ^
    310.           return 0;
    311.   

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:36:1: <LHS trace>
34.   }
35.   
36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
37.   {
38.       /* Internal API, so should not fail */

ssl/packet.c:36:1: Parameter `pkt->buf->length`
        34.   }
        35.   
        36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
        37.   {
        38.       /* Internal API, so should not fail */

ssl/packet.c:36:1: <RHS trace>
34.   }
35.   
36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
37.   {
38.       /* Internal API, so should not fail */

ssl/packet.c:36:1: Parameter `len`
        34.   }
        35.   
        36. > int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
        37.   {
        38.       /* Internal API, so should not fail */

ssl/packet.c:46:9: Binary operation: ([0, +oo] - [pkt->written, pkt->written + 9]):unsigned64 by call to `WPACKET_sub_memcpy__` 
        44.           return 0;
        45.   
        46.       if (pkt->buf->length - pkt->written < len) {
                      ^
        47.           size_t newlen;
        48.           size_t reflen;

int WPACKET_reserve_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;
        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;
    }
    *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
    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    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_u8(pkt, V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED)\n            || (msglen >= 0x80 && !WPACKET_put_bytes_u8(pkt, 0x81))\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    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    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    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        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    *allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;\n    return 1;\n}']