Uploaded image for project: 'ZABBIX BUGS AND ISSUES'
  1. ZABBIX BUGS AND ISSUES
  2. ZBX-15122

Invalid read of size 1 when using web scenarios

    Details

    • Team:
      Team A
    • Sprint:
      Sprint 46, Nov 2018
    • Story Points:
      1

      Description

      Create real life web scenario from example at https://www.zabbix.com/documentation/4.0/manual/web_monitoring/example

      See that valgrind complains about invalid read of size 1

      ==9097== Invalid read of size 1
      ==9097== at 0x483BC26: strlen (vg_replace_strmem.c:460)
      ==9097== by 0x575AFEC: ??? (in /usr/lib64/libcurl.so.4.5.0)
      ==9097== by 0x5763FF7: ??? (in /usr/lib64/libcurl.so.4.5.0)
      ==9097== by 0x57656A0: curl_multi_perform (in /usr/lib64/libcurl.so.4.5.0)
      ==9097== by 0x575C0BA: curl_easy_perform (in /usr/lib64/libcurl.so.4.5.0)
      ==9097== by 0x4B3528: process_httptest (httptest.c:825)
      ==9097== by 0x4B4F08: process_httptests (httptest.c:1117)
      ==9097== by 0x4ADF58: httppoller_thread (httppoller.c:127)
      ==9097== by 0x661931: zbx_thread_start (threads.c:133)
      ==9097== by 0x41E64A: MAIN_ZABBIX_ENTRY (server.c:1133)
      ==9097== by 0x63107F: daemon_start (daemon.c:392)
      ==9097== by 0x41D5C1: main (server.c:858)
      ==9097== Address 0x6e37320 is 0 bytes inside a block of size 80 free'd
      ==9097== at 0x4839A0C: free (vg_replace_malloc.c:530)
      ==9097== by 0x4B3DD1: process_httptest (httptest.c:933)
      ==9097== by 0x4B4F08: process_httptests (httptest.c:1117)
      ==9097== by 0x4ADF58: httppoller_thread (httppoller.c:127)
      ==9097== by 0x661931: zbx_thread_start (threads.c:133)
      ==9097== by 0x41E64A: MAIN_ZABBIX_ENTRY (server.c:1133)
      ==9097== by 0x63107F: daemon_start (daemon.c:392)
      ==9097== by 0x41D5C1: main (server.c:858)
      ==9097== Block was alloc'd at
      ==9097== at 0x483AD19: realloc (vg_replace_malloc.c:826)
      ==9097== by 0x66E418: zbx_realloc2 (misc.c:523)
      ==9097== by 0x67CDF2: zbx_strncpy_alloc (str.c:313)
      ==9097== by 0x67D54D: zbx_strcpy_alloc (str.c:347)
      ==9097== by 0x4AF55A: httpstep_pairs_join (httptest.c:239)
      ==9097== by 0x4B16E9: httpstep_load_pairs (httptest.c:492)
      ==9097== by 0x4B299B: process_httptest (httptest.c:715)
      ==9097== by 0x4B4F08: process_httptests (httptest.c:1117)
      ==9097== by 0x4ADF58: httppoller_thread (httppoller.c:127)
      ==9097== by 0x661931: zbx_thread_start (threads.c:133)
      ==9097== by 0x41E64A: MAIN_ZABBIX_ENTRY (server.c:1133)
      ==9097== by 0x63107F: daemon_start (daemon.c:392)
      ==9097==
      ==9097== Invalid read of size 1
      ==9097== at 0x483BC34: strlen (vg_replace_strmem.c:460)
      ==9097== by 0x575AFEC: ??? (in /usr/lib64/libcurl.so.4.5.0)
      ==9097== by 0x5763FF7: ??? (in /usr/lib64/libcurl.so.4.5.0)
      ==9097== by 0x57656A0: curl_multi_perform (in /usr/lib64/libcurl.so.4.5.0)
      ==9097== by 0x575C0BA: curl_easy_perform (in /usr/lib64/libcurl.so.4.5.0)
      ==9097== by 0x4B3528: process_httptest (httptest.c:825)
      ==9097== by 0x4B4F08: process_httptests (httptest.c:1117)
      ==9097== by 0x4ADF58: httppoller_thread (httppoller.c:127)
      ==9097== by 0x661931: zbx_thread_start (threads.c:133)
      ==9097== by 0x41E64A: MAIN_ZABBIX_ENTRY (server.c:1133)
      ==9097== by 0x63107F: daemon_start (daemon.c:392)
      ==9097== by 0x41D5C1: main (server.c:858)
      ==9097== Address 0x6e37321 is 1 bytes inside a block of size 80 free'd
      ==9097== at 0x4839A0C: free (vg_replace_malloc.c:530)
      ==9097== by 0x4B3DD1: process_httptest (httptest.c:933)
      ==9097== by 0x4B4F08: process_httptests (httptest.c:1117)
      ==9097== by 0x4ADF58: httppoller_thread (httppoller.c:127)
      ==9097== by 0x661931: zbx_thread_start (threads.c:133)
      ==9097== by 0x41E64A: MAIN_ZABBIX_ENTRY (server.c:1133)
      ==9097== by 0x63107F: daemon_start (daemon.c:392)
      ==9097== by 0x41D5C1: main (server.c:858)
      ==9097== Block was alloc'd at
      ==9097== at 0x483AD19: realloc (vg_replace_malloc.c:826)
      ==9097== by 0x66E418: zbx_realloc2 (misc.c:523)
      ==9097== by 0x67CDF2: zbx_strncpy_alloc (str.c:313)
      ==9097== by 0x67D54D: zbx_strcpy_alloc (str.c:347)
      ==9097== by 0x4AF55A: httpstep_pairs_join (httptest.c:239)
      ==9097== by 0x4B16E9: httpstep_load_pairs (httptest.c:492)
      ==9097== by 0x4B299B: process_httptest (httptest.c:715)
      ==9097== by 0x4B4F08: process_httptests (httptest.c:1117)
      ==9097== by 0x4ADF58: httppoller_thread (httppoller.c:127)
      ==9097== by 0x661931: zbx_thread_start (threads.c:133)
      ==9097== by 0x41E64A: MAIN_ZABBIX_ENTRY (server.c:1133)
      ==9097== by 0x63107F: daemon_start (daemon.c:392)
      

      curl 7.61.1 (x86_64-redhat-linux-gnu) libcurl/7.63.0-DEV OpenSSL/1.1.1 zlib/1.2.11
      Release-Date: 2018-09-05
      Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtsp smb smbs smtp smtps telnet tftp
      Features: AsynchDNS IPv6 Largefile NTLM NTLM_WB SSL libz TLS-SRP UnixSockets HTTPS-proxy Metalink

        Attachments

          Issue Links

            Activity

              People

              • Assignee:
                vso Vladislavs Sokurenko
                Reporter:
                vso Vladislavs Sokurenko
              • Votes:
                0 Vote for this issue
                Watchers:
                4 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved: