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  1. MongoDB Database Tools
  2. TOOLS-187

Bad bson dump can cause a seg fault on mongod when doing restore

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    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • 2.8.0-rc4
    • Affects Version/s: Legacy C++ Implementation
    • Component/s: mongorestore
    • None
    • Environment:
      mongod git hash 4aaed4ccfb608db56a269e0422f6d48385c28445
      osX

      Running a mongorestore on bad_user.bson will crash the server with the stack trace:

      Sat Aug  4 15:25:12 Got signal: 11 (Segmentation fault: 11).

Sat Aug  4 15:25:12 Backtrace:
0x10a991b2b 0x10a654031 0x10a653ee2 0x7fff8bd39cfa 0x7fa8fb6005c0 0x10a6e9701 0x10a6ef3ef 0x10a65d582 0x10aaedbdd 0x10a7ff8e5 0x7fff8bce58bf 0x7fff8bce8b75 
 0   mongod                              0x000000010a991b2b _ZN5mongo15printStackTraceERSo + 43
 1   mongod                              0x000000010a654031 _ZN5mongo10abruptQuitEi + 225
 2   mongod                              0x000000010a653ee2 _ZN5mongo24abruptQuitWithAddrSignalEiP9__siginfoPv + 242
 3   libsystem_c.dylib                   0x00007fff8bd39cfa _sigtramp + 26
 4   ???                                 0x00007fa8fb6005c0 0x0 + 140363748607424
 5   mongod                              0x000000010a6e9701 _ZN5mongo14receivedInsertERNS_7MessageERNS_5CurOpE + 977
 6   mongod                              0x000000010a6ef3ef _ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE + 6479
 7   mongod                              0x000000010a65d582 _ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE + 206
 8   mongod                              0x000000010aaedbdd _ZN5mongo3pms9threadRunEPNS_13MessagingPortE + 1645
 9   mongod                              0x000000010a7ff8e5 thread_proxy + 229
 10  libsystem_c.dylib                   0x00007fff8bce58bf _pthread_start + 335
 11  libsystem_c.dylib                   0x00007fff8bce8b75 thread_start + 13

        1. user.bson
          400 kB
        2. fuzzer.py
          1 kB
        3. bad_user.bson
          400 kB

            Assignee:
            mikeo@mongodb.com Michael O'Brien
            Reporter:
            randolph@mongodb.com Randolph Tan
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              Created:
              Updated:
              Resolved: