test/bad_dtls_test.c:486: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned64 by call to `SSL_set_session`.
Showing all 16 steps of the trace


test/bad_dtls_test.c:484:11: Call
482.           goto end;
483.   
484.       con = SSL_new(ctx);
                 ^
485.       if (!TEST_ptr(con)
486.               || !TEST_true(SSL_set_session(con, sess)))

ssl/ssl_lib.c:521:1: Parameter `ctx->sessions->num_items`
  519.   }
  520.   
  521. > SSL *SSL_new(SSL_CTX *ctx)
  522.   {
  523.       SSL *s;

test/bad_dtls_test.c:486:17: Call
484.       con = SSL_new(ctx);
485.       if (!TEST_ptr(con)
486.               || !TEST_true(SSL_set_session(con, sess)))
                       ^
487.           goto end;
488.       SSL_SESSION_free(sess);

ssl/ssl_sess.c:812:1: Parameter `s->session_ctx->sessions->num_items`
  810.   }
  811.   
  812. > int SSL_set_session(SSL *s, SSL_SESSION *session)
  813.   {
  814.       ssl_clear_bad_session(s);

ssl/ssl_sess.c:814:5: Call
  812.   int SSL_set_session(SSL *s, SSL_SESSION *session)
  813.   {
  814.       ssl_clear_bad_session(s);
             ^
  815.       if (s->ctx->method != s->method) {
  816.           if (!SSL_set_ssl_method(s, s->ctx->method))

ssl/ssl_sess.c:1039:1: Parameter `s->session_ctx->sessions->num_items`
    1037.   }
    1038.   
    1039. > int ssl_clear_bad_session(SSL *s)
    1040.   {
    1041.       if ((s->session != NULL) &&

ssl/ssl_sess.c:1044:9: Call
    1042.           !(s->shutdown & SSL_SENT_SHUTDOWN) &&
    1043.           !(SSL_in_init(s) || SSL_in_before(s))) {
    1044.           SSL_CTX_remove_session(s->session_ctx, s->session);
                    ^
    1045.           return (1);
    1046.       } else

ssl/ssl_sess.c:725:1: Parameter `ctx->sessions->num_items`
      723.   }
      724.   
      725. > int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)
      726.   {
      727.       return remove_session_lock(ctx, c, 1);

ssl/ssl_sess.c:727:12: Call
      725.   int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)
      726.   {
      727.       return remove_session_lock(ctx, c, 1);
                        ^
      728.   }
      729.   

ssl/ssl_sess.c:730:1: Parameter `ctx->sessions->num_items`
        728.   }
        729.   
        730. > static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)
        731.   {
        732.       SSL_SESSION *r;

ssl/ssl_sess.c:740:17: Call
        738.           if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {
        739.               ret = 1;
        740.               r = lh_SSL_SESSION_delete(ctx->sessions, c);
                               ^
        741.               SSL_SESSION_list_remove(ctx, c);
        742.           }

ssl/ssl_locl.h:689:1: Parameter `lh->num_items`
          687.   } CLIENTHELLO_MSG;
          688.   
          689. > DEFINE_LHASH_OF(SSL_SESSION);
          690.   /* Needed in ssl_cert.c */
          691.   DEFINE_LHASH_OF(X509_NAME);

ssl/ssl_locl.h:689:1: Call
          687.   } CLIENTHELLO_MSG;
          688.   
          689. > DEFINE_LHASH_OF(SSL_SESSION);
          690.   /* Needed in ssl_cert.c */
          691.   DEFINE_LHASH_OF(X509_NAME);

crypto/lhash/lhash.c:103:1: <LHS trace>
101.   }
102.   
103. > void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
104.   {
105.       unsigned long hash;

crypto/lhash/lhash.c:103:1: Parameter `lh->num_items`
            101.   }
            102.   
            103. > void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
            104.   {
            105.       unsigned long hash;

crypto/lhash/lhash.c:123:5: Binary operation: ([0, +oo] - 1):unsigned64 by call to `SSL_set_session` 
            121.       }
            122.   
            123.       lh->num_items--;
                       ^
            124.       if ((lh->num_nodes > MIN_NODES) &&
            125.           (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))

void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
{
    unsigned long hash;
    OPENSSL_LH_NODE *nn, **rn;
    void *ret;
    lh->error = 0;
    rn = getrn(lh, data, &hash);
    if (*rn == NULL) {
        lh->num_no_delete++;
        return (NULL);
    } else {
        nn = *rn;
        *rn = nn->next;
        ret = nn->data;
        OPENSSL_free(nn);
        lh->num_delete++;
    }
    lh->num_items--;
    if ((lh->num_nodes > MIN_NODES) &&
        (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
        contract(lh);
    return (ret);
}
['static int test_bad_dtls(void)\n{\n    SSL_SESSION *sess = NULL;\n    SSL_CTX *ctx = NULL;\n    SSL *con = NULL;\n    BIO *rbio = NULL;\n    BIO *wbio = NULL;\n    time_t now = 0;\n    int testresult = 0;\n    int ret;\n    int i;\n    RAND_bytes(session_id, sizeof(session_id));\n    RAND_bytes(master_secret, sizeof(master_secret));\n    RAND_bytes(cookie, sizeof(cookie));\n    RAND_bytes(server_random + 4, sizeof(server_random) - 4);\n    now = time(NULL);\n    memcpy(server_random, &now, sizeof(now));\n    sess = client_session();\n    if (!TEST_ptr(sess))\n        goto end;\n    handshake_md = EVP_MD_CTX_new();\n    if (!TEST_ptr(handshake_md)\n            || !TEST_true(EVP_DigestInit_ex(handshake_md, EVP_md5_sha1(),\n                                            NULL)))\n        goto end;\n    ctx = SSL_CTX_new(DTLS_client_method());\n    if (!TEST_ptr(ctx)\n            || !TEST_true(SSL_CTX_set_min_proto_version(ctx, DTLS1_BAD_VER))\n            || !TEST_true(SSL_CTX_set_max_proto_version(ctx, DTLS1_BAD_VER))\n            || !TEST_true(SSL_CTX_set_cipher_list(ctx, "AES128-SHA")))\n        goto end;\n    con = SSL_new(ctx);\n    if (!TEST_ptr(con)\n            || !TEST_true(SSL_set_session(con, sess)))\n        goto end;\n    SSL_SESSION_free(sess);\n    rbio = BIO_new(BIO_s_mem());\n    wbio = BIO_new(BIO_s_mem());\n    if (!TEST_ptr(rbio)\n            || !TEST_ptr(wbio))\n        goto end;\n    SSL_set_bio(con, rbio, wbio);\n    if (!TEST_true(BIO_up_ref(rbio))) {\n        rbio = wbio = NULL;\n        goto end;\n    }\n    if (!TEST_true(BIO_up_ref(wbio))) {\n        wbio = NULL;\n        goto end;\n    }\n    SSL_set_connect_state(con);\n    ret = SSL_do_handshake(con);\n    if (!TEST_int_le(ret, 0)\n            || !TEST_int_eq(SSL_get_error(con, ret), SSL_ERROR_WANT_READ)\n            || !TEST_int_eq(validate_client_hello(wbio), 1)\n            || !TEST_true(send_hello_verify(rbio)))\n        goto end;\n    ret = SSL_do_handshake(con);\n    if (!TEST_int_le(ret, 0)\n            || !TEST_int_eq(SSL_get_error(con, ret), SSL_ERROR_WANT_READ)\n            || !TEST_int_eq(validate_client_hello(wbio), 2)\n            || !TEST_true(send_server_hello(rbio)))\n        goto end;\n    ret = SSL_do_handshake(con);\n    if (!TEST_int_le(ret, 0)\n            || !TEST_int_eq(SSL_get_error(con, ret), SSL_ERROR_WANT_READ)\n            || !TEST_true(send_finished(con, rbio)))\n        goto end;\n    ret = SSL_do_handshake(con);\n    if (!TEST_int_gt(ret, 0)\n            || !TEST_true(validate_ccs(wbio)))\n        goto end;\n    for (i = 0; i < (int)OSSL_NELEM(tests); i++) {\n        uint64_t recv_buf[2];\n        if (!TEST_true(send_record(rbio, SSL3_RT_APPLICATION_DATA, tests[i].seq,\n                                   &tests[i].seq, sizeof(uint64_t)))) {\n            TEST_error("Failed to send data seq #0x%lx (%d)\\n",\n                       tests[i].seq, i);\n            goto end;\n        }\n        if (tests[i].drop)\n            continue;\n        ret = SSL_read(con, recv_buf, 2 * sizeof(uint64_t));\n        if (!TEST_int_eq(ret, (int)sizeof(uint64_t))) {\n            TEST_error("SSL_read failed or wrong size on seq#0x%lx (%d)\\n",\n                       tests[i].seq, i);\n            goto end;\n        }\n        if (!TEST_true(recv_buf[0] == tests[i].seq))\n            goto end;\n    }\n    if (!TEST_false(tests[i-1].drop))\n        goto end;\n    testresult = 1;\n end:\n    BIO_free(rbio);\n    BIO_free(wbio);\n    SSL_free(con);\n    SSL_CTX_free(ctx);\n    EVP_MD_CTX_free(handshake_md);\n    return testresult;\n}', 'SSL *SSL_new(SSL_CTX *ctx)\n{\n    SSL *s;\n    if (ctx == NULL) {\n        SSLerr(SSL_F_SSL_NEW, SSL_R_NULL_SSL_CTX);\n        return (NULL);\n    }\n    if (ctx->method == NULL) {\n        SSLerr(SSL_F_SSL_NEW, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);\n        return (NULL);\n    }\n    s = OPENSSL_zalloc(sizeof(*s));\n    if (s == NULL)\n        goto err;\n    s->lock = CRYPTO_THREAD_lock_new();\n    if (s->lock == NULL) {\n        SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);\n        OPENSSL_free(s);\n        return NULL;\n    }\n    RECORD_LAYER_init(&s->rlayer, s);\n    s->options = ctx->options;\n    s->dane.flags = ctx->dane.flags;\n    s->min_proto_version = ctx->min_proto_version;\n    s->max_proto_version = ctx->max_proto_version;\n    s->mode = ctx->mode;\n    s->max_cert_list = ctx->max_cert_list;\n    s->references = 1;\n    s->max_early_data = ctx->max_early_data;\n    s->cert = ssl_cert_dup(ctx->cert);\n    if (s->cert == NULL)\n        goto err;\n    RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead);\n    s->msg_callback = ctx->msg_callback;\n    s->msg_callback_arg = ctx->msg_callback_arg;\n    s->verify_mode = ctx->verify_mode;\n    s->not_resumable_session_cb = ctx->not_resumable_session_cb;\n    s->sid_ctx_length = ctx->sid_ctx_length;\n    OPENSSL_assert(s->sid_ctx_length <= sizeof s->sid_ctx);\n    memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx));\n    s->verify_callback = ctx->default_verify_callback;\n    s->generate_session_id = ctx->generate_session_id;\n    s->param = X509_VERIFY_PARAM_new();\n    if (s->param == NULL)\n        goto err;\n    X509_VERIFY_PARAM_inherit(s->param, ctx->param);\n    s->quiet_shutdown = ctx->quiet_shutdown;\n    s->max_send_fragment = ctx->max_send_fragment;\n    s->split_send_fragment = ctx->split_send_fragment;\n    s->max_pipelines = ctx->max_pipelines;\n    if (s->max_pipelines > 1)\n        RECORD_LAYER_set_read_ahead(&s->rlayer, 1);\n    if (ctx->default_read_buf_len > 0)\n        SSL_set_default_read_buffer_len(s, ctx->default_read_buf_len);\n    SSL_CTX_up_ref(ctx);\n    s->ctx = ctx;\n    s->ext.debug_cb = 0;\n    s->ext.debug_arg = NULL;\n    s->ext.ticket_expected = 0;\n    s->ext.status_type = ctx->ext.status_type;\n    s->ext.status_expected = 0;\n    s->ext.ocsp.ids = NULL;\n    s->ext.ocsp.exts = NULL;\n    s->ext.ocsp.resp = NULL;\n    s->ext.ocsp.resp_len = 0;\n    SSL_CTX_up_ref(ctx);\n    s->session_ctx = ctx;\n#ifndef OPENSSL_NO_EC\n    if (ctx->ext.ecpointformats) {\n        s->ext.ecpointformats =\n            OPENSSL_memdup(ctx->ext.ecpointformats,\n                           ctx->ext.ecpointformats_len);\n        if (!s->ext.ecpointformats)\n            goto err;\n        s->ext.ecpointformats_len =\n            ctx->ext.ecpointformats_len;\n    }\n    if (ctx->ext.supportedgroups) {\n        s->ext.supportedgroups =\n            OPENSSL_memdup(ctx->ext.supportedgroups,\n                           ctx->ext.supportedgroups_len);\n        if (!s->ext.supportedgroups)\n            goto err;\n        s->ext.supportedgroups_len = ctx->ext.supportedgroups_len;\n    }\n#endif\n#ifndef OPENSSL_NO_NEXTPROTONEG\n    s->ext.npn = NULL;\n#endif\n    if (s->ctx->ext.alpn) {\n        s->ext.alpn = OPENSSL_malloc(s->ctx->ext.alpn_len);\n        if (s->ext.alpn == NULL)\n            goto err;\n        memcpy(s->ext.alpn, s->ctx->ext.alpn, s->ctx->ext.alpn_len);\n        s->ext.alpn_len = s->ctx->ext.alpn_len;\n    }\n    s->verified_chain = NULL;\n    s->verify_result = X509_V_OK;\n    s->default_passwd_callback = ctx->default_passwd_callback;\n    s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata;\n    s->method = ctx->method;\n    s->key_update = SSL_KEY_UPDATE_NONE;\n    if (!s->method->ssl_new(s))\n        goto err;\n    s->server = (ctx->method->ssl_accept == ssl_undefined_function) ? 0 : 1;\n    if (!SSL_clear(s))\n        goto err;\n    if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data))\n        goto err;\n#ifndef OPENSSL_NO_PSK\n    s->psk_client_callback = ctx->psk_client_callback;\n    s->psk_server_callback = ctx->psk_server_callback;\n#endif\n    s->job = NULL;\n#ifndef OPENSSL_NO_CT\n    if (!SSL_set_ct_validation_callback(s, ctx->ct_validation_callback,\n                                        ctx->ct_validation_callback_arg))\n        goto err;\n#endif\n    return s;\n err:\n    SSL_free(s);\n    SSLerr(SSL_F_SSL_NEW, ERR_R_MALLOC_FAILURE);\n    return NULL;\n}', 'int SSL_set_session(SSL *s, SSL_SESSION *session)\n{\n    ssl_clear_bad_session(s);\n    if (s->ctx->method != s->method) {\n        if (!SSL_set_ssl_method(s, s->ctx->method))\n            return 0;\n    }\n    if (session != NULL) {\n        SSL_SESSION_up_ref(session);\n        s->verify_result = session->verify_result;\n    }\n    SSL_SESSION_free(s->session);\n    s->session = session;\n    return 1;\n}', 'int ssl_clear_bad_session(SSL *s)\n{\n    if ((s->session != NULL) &&\n        !(s->shutdown & SSL_SENT_SHUTDOWN) &&\n        !(SSL_in_init(s) || SSL_in_before(s))) {\n        SSL_CTX_remove_session(s->session_ctx, s->session);\n        return (1);\n    } else\n        return (0);\n}', 'int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)\n{\n    return remove_session_lock(ctx, c, 1);\n}', 'static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)\n{\n    SSL_SESSION *r;\n    int ret = 0;\n    if ((c != NULL) && (c->session_id_length != 0)) {\n        if (lck)\n            CRYPTO_THREAD_write_lock(ctx->lock);\n        if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) == c) {\n            ret = 1;\n            r = lh_SSL_SESSION_delete(ctx->sessions, c);\n            SSL_SESSION_list_remove(ctx, c);\n        }\n        c->not_resumable = 1;\n        if (lck)\n            CRYPTO_THREAD_unlock(ctx->lock);\n        if (ret)\n            SSL_SESSION_free(r);\n        if (ctx->remove_session_cb != NULL)\n            ctx->remove_session_cb(ctx, c);\n    } else\n        ret = 0;\n    return (ret);\n}', 'DEFINE_LHASH_OF(SSL_SESSION)', 'void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)\n{\n    unsigned long hash;\n    OPENSSL_LH_NODE *nn, **rn;\n    void *ret;\n    lh->error = 0;\n    rn = getrn(lh, data, &hash);\n    if (*rn == NULL) {\n        lh->num_no_delete++;\n        return (NULL);\n    } else {\n        nn = *rn;\n        *rn = nn->next;\n        ret = nn->data;\n        OPENSSL_free(nn);\n        lh->num_delete++;\n    }\n    lh->num_items--;\n    if ((lh->num_nodes > MIN_NODES) &&\n        (lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))\n        contract(lh);\n    return (ret);\n}']