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)