test/sslapitest.c:4807: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned32 by call to `SSL_free`.
Showing all 16 steps of the trace


test/sslapitest.c:4778:11: Call
4776.           goto end;
4777.   
4778.       con = SSL_new(ctx);
                  ^
4779.       if (!TEST_ptr(con))
4780.           goto end;

ssl/ssl_lib.c:673:1: Parameter `ctx->sessions->num_nodes`
  671.   }
  672.   
  673. > SSL *SSL_new(SSL_CTX *ctx)
  674.   {
  675.       SSL *s;

test/sslapitest.c:4807:5: Call
4805.   
4806.   end:
4807.       SSL_free(con);
            ^
4808.       SSL_CTX_free(ctx);
4809.   

ssl/ssl_lib.c:1138:1: Parameter `s->ctx->sessions->num_nodes`
  1136.   }
  1137.   
  1138. > void SSL_free(SSL *s)
  1139.   {
  1140.       int i;

ssl/ssl_lib.c:1213:5: Call
  1211.           s->method->ssl_free(s);
  1212.   
  1213.       SSL_CTX_free(s->ctx);
              ^
  1214.   
  1215.       ASYNC_WAIT_CTX_free(s->waitctx);

ssl/ssl_lib.c:3163:1: Parameter `a->sessions->num_nodes`
    3161.   }
    3162.   
    3163. > void SSL_CTX_free(SSL_CTX *a)
    3164.   {
    3165.       int i;

ssl/ssl_lib.c:3189:9: Call
    3187.        */
    3188.       if (a->sessions != NULL)
    3189.           SSL_CTX_flush_sessions(a, 0);
                    ^
    3190.   
    3191.       CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);

ssl/ssl_sess.c:1106:1: Parameter `s->sessions->num_nodes`
      1104.   IMPLEMENT_LHASH_DOALL_ARG(SSL_SESSION, TIMEOUT_PARAM);
      1105.   
      1106. > void SSL_CTX_flush_sessions(SSL_CTX *s, long t)
      1107.   {
      1108.       unsigned long i;

ssl/ssl_sess.c:1119:5: Call
      1117.       i = lh_SSL_SESSION_get_down_load(s->sessions);
      1118.       lh_SSL_SESSION_set_down_load(s->sessions, 0);
      1119.       lh_SSL_SESSION_doall_TIMEOUT_PARAM(tp.cache, timeout_cb, &tp);
                  ^
      1120.       lh_SSL_SESSION_set_down_load(s->sessions, i);
      1121.       CRYPTO_THREAD_unlock(s->lock);

ssl/ssl_sess.c:1104:1: Parameter `lh->num_nodes`
        1102.   }
        1103.   
        1104. > IMPLEMENT_LHASH_DOALL_ARG(SSL_SESSION, TIMEOUT_PARAM);
        1105.   
        1106.   void SSL_CTX_flush_sessions(SSL_CTX *s, long t)

ssl/ssl_sess.c:1104:1: Call
        1102.   }
        1103.   
        1104. > IMPLEMENT_LHASH_DOALL_ARG(SSL_SESSION, TIMEOUT_PARAM);
        1105.   
        1106.   void SSL_CTX_flush_sessions(SSL_CTX *s, long t)

crypto/lhash/lhash.c:218:1: Parameter `lh->num_nodes`
          216.   }
          217.   
          218. > void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg)
          219.   {
          220.       doall_util_fn(lh, 1, (OPENSSL_LH_DOALL_FUNC)0, func, arg);

crypto/lhash/lhash.c:220:5: Call
          218.   void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg)
          219.   {
          220.       doall_util_fn(lh, 1, (OPENSSL_LH_DOALL_FUNC)0, func, arg);
                     ^
          221.   }
          222.   

crypto/lhash/lhash.c:186:1: <LHS trace>
184.   }
185.   
186. > static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,
187.                             OPENSSL_LH_DOALL_FUNC func,
188.                             OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)

crypto/lhash/lhash.c:186:1: Parameter `lh->num_nodes`
            184.   }
            185.   
            186. > static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,
            187.                             OPENSSL_LH_DOALL_FUNC func,
            188.                             OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)

crypto/lhash/lhash.c:200:10: Binary operation: ([0, +oo] - 1):unsigned32 by call to `SSL_free` 
            198.        * memory leaks otherwise
            199.        */
            200.       for (i = lh->num_nodes - 1; i >= 0; i--) {
                            ^
            201.           a = lh->b[i];
            202.           while (a != NULL) {

static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,
                          OPENSSL_LH_DOALL_FUNC func,
                          OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)
{
    int i;
    OPENSSL_LH_NODE *a, *n;
    if (lh == NULL)
        return;
    for (i = lh->num_nodes - 1; i >= 0; i--) {
        a = lh->b[i];
        while (a != NULL) {
            n = a->next;
            if (use_arg)
                func_arg(a->data, arg);
            else
                func(a->data);
            a = n;
        }
    }
}
['static int test_max_fragment_len_ext(int idx_tst)\n{\n    SSL_CTX *ctx;\n    SSL *con = NULL;\n    int testresult = 0, MFL_mode = 0;\n    BIO *rbio, *wbio;\n    ctx = SSL_CTX_new(TLS_method());\n    if (!TEST_ptr(ctx))\n        goto end;\n    if (!TEST_true(SSL_CTX_set_tlsext_max_fragment_length(\n                   ctx, max_fragment_len_test[idx_tst])))\n        goto end;\n    con = SSL_new(ctx);\n    if (!TEST_ptr(con))\n        goto end;\n    rbio = BIO_new(BIO_s_mem());\n    wbio = BIO_new(BIO_s_mem());\n    if (!TEST_ptr(rbio)|| !TEST_ptr(wbio)) {\n        BIO_free(rbio);\n        BIO_free(wbio);\n        goto end;\n    }\n    SSL_set_bio(con, rbio, wbio);\n    SSL_set_connect_state(con);\n    if (!TEST_int_le(SSL_connect(con), 0)) {\n        goto end;\n    }\n    if (!TEST_true(get_MFL_from_client_hello(wbio, &MFL_mode)))\n        goto end;\n    if (!TEST_true(max_fragment_len_test[idx_tst] == MFL_mode))\n        goto end;\n    testresult = 1;\nend:\n    SSL_free(con);\n    SSL_CTX_free(ctx);\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->references = 1;\n    s->lock = CRYPTO_THREAD_lock_new();\n    if (s->lock == NULL) {\n        OPENSSL_free(s);\n        s = NULL;\n        goto err;\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->max_early_data = ctx->max_early_data;\n    s->recv_max_early_data = ctx->recv_max_early_data;\n    s->num_tickets = ctx->num_tickets;\n    s->pha_enabled = ctx->pha_enabled;\n    s->tls13_ciphersuites = sk_SSL_CIPHER_dup(ctx->tls13_ciphersuites);\n    if (s->tls13_ciphersuites == NULL)\n        goto err;\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->record_padding_cb = ctx->record_padding_cb;\n    s->record_padding_arg = ctx->record_padding_arg;\n    s->block_padding = ctx->block_padding;\n    s->sid_ctx_length = ctx->sid_ctx_length;\n    if (!ossl_assert(s->sid_ctx_length <= sizeof(s->sid_ctx)))\n        goto err;\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->ext.max_fragment_len_mode = ctx->ext.max_fragment_len_mode;\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                                * sizeof(*ctx->ext.supportedgroups));\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    s->allow_early_data_cb = ctx->allow_early_data_cb;\n    s->allow_early_data_cb_data = ctx->allow_early_data_cb_data;\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->psk_find_session_cb = ctx->psk_find_session_cb;\n    s->psk_use_session_cb = ctx->psk_use_session_cb;\n    s->async_cb = ctx->async_cb;\n    s->async_cb_arg = ctx->async_cb_arg;\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}', 'void SSL_free(SSL *s)\n{\n    int i;\n    if (s == NULL)\n        return;\n    CRYPTO_DOWN_REF(&s->references, &i, s->lock);\n    REF_PRINT_COUNT("SSL", s);\n    if (i > 0)\n        return;\n    REF_ASSERT_ISNT(i < 0);\n    X509_VERIFY_PARAM_free(s->param);\n    dane_final(&s->dane);\n    CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);\n    RECORD_LAYER_release(&s->rlayer);\n    ssl_free_wbio_buffer(s);\n    BIO_free_all(s->wbio);\n    s->wbio = NULL;\n    BIO_free_all(s->rbio);\n    s->rbio = NULL;\n    BUF_MEM_free(s->init_buf);\n    sk_SSL_CIPHER_free(s->cipher_list);\n    sk_SSL_CIPHER_free(s->cipher_list_by_id);\n    sk_SSL_CIPHER_free(s->tls13_ciphersuites);\n    if (s->session != NULL) {\n        ssl_clear_bad_session(s);\n        SSL_SESSION_free(s->session);\n    }\n    SSL_SESSION_free(s->psksession);\n    OPENSSL_free(s->psksession_id);\n    clear_ciphers(s);\n    ssl_cert_free(s->cert);\n    OPENSSL_free(s->ext.hostname);\n    SSL_CTX_free(s->session_ctx);\n#ifndef OPENSSL_NO_EC\n    OPENSSL_free(s->ext.ecpointformats);\n    OPENSSL_free(s->ext.supportedgroups);\n#endif\n    sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free);\n#ifndef OPENSSL_NO_OCSP\n    sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free);\n#endif\n#ifndef OPENSSL_NO_CT\n    SCT_LIST_free(s->scts);\n    OPENSSL_free(s->ext.scts);\n#endif\n    OPENSSL_free(s->ext.ocsp.resp);\n    OPENSSL_free(s->ext.alpn);\n    OPENSSL_free(s->ext.tls13_cookie);\n    OPENSSL_free(s->clienthello);\n    OPENSSL_free(s->pha_context);\n    EVP_MD_CTX_free(s->pha_dgst);\n    sk_X509_NAME_pop_free(s->ca_names, X509_NAME_free);\n    sk_X509_NAME_pop_free(s->client_ca_names, X509_NAME_free);\n    sk_X509_pop_free(s->verified_chain, X509_free);\n    if (s->method != NULL)\n        s->method->ssl_free(s);\n    SSL_CTX_free(s->ctx);\n    ASYNC_WAIT_CTX_free(s->waitctx);\n#if !defined(OPENSSL_NO_NEXTPROTONEG)\n    OPENSSL_free(s->ext.npn);\n#endif\n#ifndef OPENSSL_NO_SRTP\n    sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);\n#endif\n    CRYPTO_THREAD_lock_free(s->lock);\n    OPENSSL_free(s);\n}', 'void SSL_CTX_free(SSL_CTX *a)\n{\n    int i;\n    if (a == NULL)\n        return;\n    CRYPTO_DOWN_REF(&a->references, &i, a->lock);\n    REF_PRINT_COUNT("SSL_CTX", a);\n    if (i > 0)\n        return;\n    REF_ASSERT_ISNT(i < 0);\n    X509_VERIFY_PARAM_free(a->param);\n    dane_ctx_final(&a->dane);\n    if (a->sessions != NULL)\n        SSL_CTX_flush_sessions(a, 0);\n    CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);\n    lh_SSL_SESSION_free(a->sessions);\n    X509_STORE_free(a->cert_store);\n#ifndef OPENSSL_NO_CT\n    CTLOG_STORE_free(a->ctlog_store);\n#endif\n    sk_SSL_CIPHER_free(a->cipher_list);\n    sk_SSL_CIPHER_free(a->cipher_list_by_id);\n    sk_SSL_CIPHER_free(a->tls13_ciphersuites);\n    ssl_cert_free(a->cert);\n    sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free);\n    sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free);\n    sk_X509_pop_free(a->extra_certs, X509_free);\n    a->comp_methods = NULL;\n#ifndef OPENSSL_NO_SRTP\n    sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);\n#endif\n#ifndef OPENSSL_NO_SRP\n    SSL_CTX_SRP_CTX_free(a);\n#endif\n#ifndef OPENSSL_NO_ENGINE\n    ENGINE_finish(a->client_cert_engine);\n#endif\n#ifndef OPENSSL_NO_EC\n    OPENSSL_free(a->ext.ecpointformats);\n    OPENSSL_free(a->ext.supportedgroups);\n#endif\n    OPENSSL_free(a->ext.alpn);\n    OPENSSL_secure_free(a->ext.secure);\n    CRYPTO_THREAD_lock_free(a->lock);\n    OPENSSL_free(a);\n}', 'void SSL_CTX_flush_sessions(SSL_CTX *s, long t)\n{\n    unsigned long i;\n    TIMEOUT_PARAM tp;\n    tp.ctx = s;\n    tp.cache = s->sessions;\n    if (tp.cache == NULL)\n        return;\n    tp.time = t;\n    CRYPTO_THREAD_write_lock(s->lock);\n    i = lh_SSL_SESSION_get_down_load(s->sessions);\n    lh_SSL_SESSION_set_down_load(s->sessions, 0);\n    lh_SSL_SESSION_doall_TIMEOUT_PARAM(tp.cache, timeout_cb, &tp);\n    lh_SSL_SESSION_set_down_load(s->sessions, i);\n    CRYPTO_THREAD_unlock(s->lock);\n}', 'IMPLEMENT_LHASH_DOALL_ARG(SSL_SESSION, TIMEOUT_PARAM)', 'void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNCARG func, void *arg)\n{\n    doall_util_fn(lh, 1, (OPENSSL_LH_DOALL_FUNC)0, func, arg);\n}', 'static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,\n                          OPENSSL_LH_DOALL_FUNC func,\n                          OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)\n{\n    int i;\n    OPENSSL_LH_NODE *a, *n;\n    if (lh == NULL)\n        return;\n    for (i = lh->num_nodes - 1; i >= 0; i--) {\n        a = lh->b[i];\n        while (a != NULL) {\n            n = a->next;\n            if (use_arg)\n                func_arg(a->data, arg);\n            else\n                func(a->data);\n            a = n;\n        }\n    }\n}']