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Gaia Clishd daemon crashes with core dump file
Symptoms
  • Clishd daemon crashes with core dump file in /var/log/dump/usermode directory.

  • Clishd core dump file contains the following stack:

    (gdb) bt
    #0 0x...in ~FwAtom (.) at FwAtom.h
    #1 0x...in __tcf_52 () at const_atoms.h
    #2 0x...in exit () from /lib/libc.so.6
    #3 0x...in ServeClient (...) at clishd.c
    #4 0x...in ListenForRequests (...) at clishd.c
    #5 main (...) at clishd.c
    (gdb) thread
    [Current thread is 1 (Thread X)]
    (gdb) thread 2
    [Switching to thread 2 (Thread X)]#0 0x... in __kernel_vsyscall ()
    (gdb) bt
    #0 0x...in __kernel_vsyscall ()
    #1 0x...in __lll_mutex_lock_wait () from /lib/libpthread.so.0
    #2 0x...in _L_mutex_lock_85 () from /lib/libpthread.so.0
    #3 0x...in pthread_mutex_lock () from /lib/libpthread.so.0
    #4 0x...in ?? () from /opt/CPshrd-R77/lib/libOS.so
    #5 0x...in MtMutexLock () from /opt/CPshrd-R77/lib/libOS.so
    #6 0x...in ~FwAtom (...) at FwAtom.cc
    #7 0x...in __tcf_51 () at const_atoms.h
    #8 0x...in __cxa_finalize () from /lib/libc.so.6
    #9 0x...in __do_global_dtors_aux () from /opt/CPshrd-R77/lib/libobjlib.so
    #10 0x...in _fini () from /opt/CPshrd-R77/lib/libobjlib.so
    #11 0x...in _dl_fini () from /lib/ld-linux.so.2
    #12 0x...in exit () from /lib/libc.so.6
    #13 0x...in srvrCleanup (SigNo=15) at clishd.c
    #14 <signal handler called>
    #15 0x...in __kernel_vsyscall ()
    #16 0x...in select () from /lib/libc.so.6
    #17 0x...in ?? () from /usr/lib/libtcl8.4.so
    #18 0x...in start_thread () from /lib/libpthread.so.0
    #19 0x...in clone () from /lib/libc.so.6
    (gdb)
  • No impact on the Security Gateway activity, as reported by the customer.
Cause

Possible race condition during memory release.


Solution
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