ssl/bio_ssl.c:83: error: INTEGER_OVERFLOW_L2
  ([0, +oo] - 1):unsigned64 by call to `SSL_free`.
Showing all 14 steps of the trace


ssl/bio_ssl.c:83:13: Call
81.       if (BIO_get_shutdown(a)) {
82.           if (BIO_get_init(a))
83.               SSL_free(bs->ssl);
                  ^
84.           /* Clear all flags */
85.           BIO_clear_flags(a, ~0);

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

ssl/ssl_lib.c:1170:9: Call
  1168.       /* Make the next call work :-) */
  1169.       if (s->session != NULL) {
  1170.           ssl_clear_bad_session(s);
                  ^
  1171.           SSL_SESSION_free(s->session);
  1172.       }

ssl/ssl_sess.c:1135:1: Parameter `s->session_ctx->sessions->num_items`
    1133.   }
    1134.   
    1135. > int ssl_clear_bad_session(SSL *s)
    1136.   {
    1137.       if ((s->session != NULL) &&

ssl/ssl_sess.c:1140:9: Call
    1138.           !(s->shutdown & SSL_SENT_SHUTDOWN) &&
    1139.           !(SSL_in_init(s) || SSL_in_before(s))) {
    1140.           SSL_CTX_remove_session(s->session_ctx, s->session);
                    ^
    1141.           return 1;
    1142.       } else

ssl/ssl_sess.c:751:1: Parameter `ctx->sessions->num_items`
      749.   }
      750.   
      751. > int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)
      752.   {
      753.       return remove_session_lock(ctx, c, 1);

ssl/ssl_sess.c:753:12: Call
      751.   int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)
      752.   {
      753.       return remove_session_lock(ctx, c, 1);
                        ^
      754.   }
      755.   

ssl/ssl_sess.c:756:1: Parameter `ctx->sessions->num_items`
        754.   }
        755.   
        756. > static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)
        757.   {
        758.       SSL_SESSION *r;

ssl/ssl_sess.c:766:17: Call
        764.           if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) != NULL) {
        765.               ret = 1;
        766.               r = lh_SSL_SESSION_delete(ctx->sessions, r);
                               ^
        767.               SSL_SESSION_list_remove(ctx, r);
        768.           }

ssl/ssl_locl.h:732:1: Parameter `lh->num_items`
          730.   } TLSEXT_INDEX;
          731.   
          732. > DEFINE_LHASH_OF(SSL_SESSION);
          733.   /* Needed in ssl_cert.c */
          734.   DEFINE_LHASH_OF(X509_NAME);

ssl/ssl_locl.h:732:1: Call
          730.   } TLSEXT_INDEX;
          731.   
          732. > DEFINE_LHASH_OF(SSL_SESSION);
          733.   /* Needed in ssl_cert.c */
          734.   DEFINE_LHASH_OF(X509_NAME);

crypto/lhash/lhash.c:119:1: <LHS trace>
117.   }
118.   
119. > void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
120.   {
121.       unsigned long hash;

crypto/lhash/lhash.c:119:1: Parameter `lh->num_items`
            117.   }
            118.   
            119. > void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
            120.   {
            121.       unsigned long hash;

crypto/lhash/lhash.c:139:5: Binary operation: ([0, +oo] - 1):unsigned64 by call to `SSL_free` 
            137.       }
            138.   
            139.       lh->num_items--;
                       ^
            140.       if ((lh->num_nodes > MIN_NODES) &&
            141.           (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 ssl_free(BIO *a)\n{\n    BIO_SSL *bs;\n    if (a == NULL)\n        return 0;\n    bs = BIO_get_data(a);\n    if (bs->ssl != NULL)\n        SSL_shutdown(bs->ssl);\n    if (BIO_get_shutdown(a)) {\n        if (BIO_get_init(a))\n            SSL_free(bs->ssl);\n        BIO_clear_flags(a, ~0);\n        BIO_set_init(a, 0);\n    }\n    OPENSSL_free(bs);\n    return 1;\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    ssl_free_wbio_buffer(s);\n    BIO_free_all(s->wbio);\n    BIO_free_all(s->rbio);\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_pop_free(s->verified_chain, X509_free);\n    if (s->method != NULL)\n        s->method->ssl_free(s);\n    RECORD_LAYER_release(&s->rlayer);\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    RAND_DRBG_free(s->drbg);\n    CRYPTO_THREAD_lock_free(s->lock);\n    OPENSSL_free(s);\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)) != NULL) {\n            ret = 1;\n            r = lh_SSL_SESSION_delete(ctx->sessions, r);\n            SSL_SESSION_list_remove(ctx, r);\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}']