Comment 0 for bug 1533811

contrail 2.21.1-22

core file location: 10.84.5.112:/cs-shared/bugs/

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/contrail-dns'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f2081dc85cb in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&) ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
(gdb) bt
#0 0x00007f2081dc85cb in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&) ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1 0x00000000007118a0 in BindUtil::DnsClass (cl=<optimized out>) at controller/src/dns/bind/bind_util.cc:74
#2 0x0000000000712c67 in DnsItem::ToString (this=this@entry=0x7f200c01a9e0) at controller/src/dns/bind/bind_util.cc:60
#3 0x00000000006f4441 in DnsItemsToString (items=...) at controller/src/dns/bind/bind_util.h:181
#4 DnsManager::SendRetransmit (this=this@entry=0x7fffc3033330, xid=18023, op=<optimized out>, view=..., zone=..., items=...)
    at controller/src/dns/mgr/dns_mgr.cc:321
#5 0x00000000006f57a8 in DnsManager::ResendAllRecords (this=0x7fffc3033330) at controller/src/dns/mgr/dns_mgr.cc:379
#6 0x00000000006f5949 in DnsManager::PendingTimerExpiry (this=<optimized out>) at controller/src/dns/mgr/dns_mgr.cc:482
#7 0x00000000009a28b9 in operator() (this=<optimized out>) at /usr/include/boost/function/function_template.hpp:767
#8 Timer::TimerTask::Run (this=0x17d28d0) at controller/src/base/timer.cc:42
#9 0x000000000099cd10 in TaskImpl::execute (this=0x7f207abdfe40) at controller/src/base/task.cc:238
#10 0x00007f2082239b3a in ?? () from /usr/lib/libtbb.so.2
#11 0x00007f2082235816 in ?? () from /usr/lib/libtbb.so.2
#12 0x00007f2082234f4b in ?? () from /usr/lib/libtbb.so.2
#13 0x00007f20822310ff in ?? () from /usr/lib/libtbb.so.2
#14 0x00007f20822312f9 in ?? () from /usr/lib/libtbb.so.2
#15 0x00007f2082455182 in start_thread (arg=0x7f2049ff7700) at pthread_create.c:312
#16 0x00007f208152647d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111