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  1. Core Server
  2. SERVER-14843

Can't sniff with mongosniff without causing a coredump

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    • Operating System:
      ALL
    • Steps To Reproduce:
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      Just install mongo sniff the following way:

      git clone https://github.com/mongodb/mongo.git
      cd mongo
      scons mongosniff

      And execute ./mongosniff in a mongo 2.6.3 server

      I have tested it in ubuntu 12.04 and Red Hat Enterprise Linux Server release 6.3 (Santiago)

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      Just install mongo sniff the following way: git clone https://github.com/mongodb/mongo.git cd mongo scons mongosniff And execute ./mongosniff in a mongo 2.6.3 server I have tested it in ubuntu 12.04 and Red Hat Enterprise Linux Server release 6.3 (Santiago)

      Description

      I'm trying to sniff mongo traffic from a server with version 2.6.3 with a 2.6.3 mongosniff version and have the following result when a command is sent to the mongo server.

      [root@e-x mongo]# ./mongosniff 6612
      found device: eth0
      sniffing... 6612
      Multiple messages in packet, skipping packet.
      Multiple messages in packet, skipping packet.
      Multiple messages in packet, skipping packet.
      10.32.164.94:49382  -->> 10.32.164.94:6612 admin.$cmd  58 bytes  id:34ace5      3452133
              query: { ismaster: 1 }  ntoreturn: 1 ntoskip: 0
      2014-08-08T19:54:02.800-0400 I          Assertion failure messageShouldHaveNs() src/mongo/db/dbmessage.cpp 94
      2014-08-08T19:54:02.810-0400 I          
       0xf259fe 0xed9ad1 0xec4be9 0x9c1fa0 0x7c7088 0x7f846e042ab2 0x7f846e0478c1 0x7c6415 0x7c6a19 0x3104a1ecdd 0x7c4149
      ----- BEGIN BACKTRACE -----
      {"backtrace":[{"b":"400000","o":"B259FE"},{"b":"400000","o":"AD9AD1"},{"b":"400000","o":"AC4BE9"},{"b":"400000","o":"5C1FA0"},{"b":"400000","o":"3C7088"},{"b":"7F846E03B000","o":"7AB2"},{"b":"7F846E03B000","o":"C8C1"},{"b":"400000","o":"3C6415"},{"b":"400000","o":"3C6A19"},{"b":"3104A00000","o":"1ECDD"},{"b":"400000","o":"3C4149"}],"processInfo":{ "mongodbVersion" : "2.7.5-pre-", "gitVersion" : "1232c89874a8763375b65c438680e8441f65f021", "uname" : { "sysname" : "Linux", "release" : "2.6.32-279.1.1.el6.x86_64", "version" : "#1 SMP Wed Jun 20 11:41:22 EDT 2012", "machine" : "x86_64" }, "somap" : [ { "elfType" : 2, "b" : "400000", "buildId" : "A9CBCE20493E9C114AD47F0A3FA06B5DBAF93DAA" }, { "b" : "7FFF7BB8E000", "elfType" : 3, "buildId" : "84935069344ED53D05E2911F88525B53C45B809E" }, { "path" : "/lib64/libpthread.so.0", "elfType" : 3, "buildId" : "14853815DD64F2B830B8DCCB3A958A3804E13EFC" }, { "path" : "/lib64/librt.so.1", "elfType" : 3, "buildId" : "5E9DDD9EE40AD0D4DDD032CE1086E402B7FA955A" }, { "path" : "/lib64/libdl.so.2", "elfType" : 3, "buildId" : "15B0822C819020F18BBF0E0C0286373155E03BE2" }, { "b" : "7F846E03B000", "path" : "/usr/lib64/libpcap.so.1", "elfType" : 3, "buildId" : "296263462B440F6D16C3B84A73C409D751D0C7C8" }, { "path" : "/usr/lib64/libstdc++.so.6", "elfType" : 3, "buildId" : "1A4BC78E7DA0FA025262D516D00E04AFD1B0F429" }, { "path" : "/lib64/libm.so.6", "elfType" : 3, "buildId" : "A26BC945B5765B1258DB01FFEFB0C4F53F3961D7" }, { "path" : "/lib64/libgcc_s.so.1", "elfType" : 3, "buildId" : "CE152B8676517F23E7F54AD6408330979BE41443" }, { "path" : "/lib64/libc.so.6", "elfType" : 3, "buildId" : "90D43C0C93FF34D4CE67692E149343DD372EEC78" }, { "path" : "/lib64/ld-linux-x86-64.so.2", "elfType" : 3, "buildId" : "D6BD776B36DAC438642CF84B282956738727901D" } ] }}
       mongosniff(_ZN5mongo15printStackTraceERSo+0x2E) [0xf259fe]
       mongosniff(_ZN5mongo10logContextEPKc+0xD1) [0xed9ad1]
       mongosniff(_ZN5mongo12verifyFailedEPKcS1_j+0x1A9) [0xec4be9]
       mongosniff(_ZNK5mongo9DbMessage17getQueryNToReturnEv+0x0) [0x9c1fa0]
       mongosniff(_Z10got_packetPhPK11pcap_pkthdrPKh+0x668) [0x7c7088]
       libpcap.so.1(+0x7AB2) [0x7f846e042ab2]
       libpcap.so.1(pcap_loop+0x51) [0x7f846e0478c1]
       mongosniff(_Z8toolMainiPPcS0_+0x8E5) [0x7c6415]
       mongosniff(main+0x9) [0x7c6a19]
       libc.so.6(__libc_start_main+0xFD) [0x3104a1ecdd]
       mongosniff(+0x3C4149) [0x7c4149]
      -----  END BACKTRACE  -----
      terminate called after throwing an instance of 'mongo::AssertionException'
        what():  assertion src/mongo/db/dbmessage.cpp:94
      Aborted (core dumped)

      Thanks!

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            Assignee:
            mark.benvenuto Mark Benvenuto
            Reporter:
            89berner Juan Berner
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              Updated:
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