Agent crash in contrail::sandesh::transport::TMemoryBuffer::initCommon

[amit surana]

full core at: 10.84.5.112:/cs-shared/bugs/<id>

[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-vrouter-agent'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 malloc_consolidate (av=av@entry=0x7fa824000020) at malloc.c:4149
#0 malloc_consolidate (av=av@entry=0x7fa824000020) at malloc.c:4149
#1 0x00007fa841fa5df8 in _int_malloc (av=0x7fa824000020, bytes=2048) at malloc.c:3423
#2 0x00007fa841fa87b0 in __GI___libc_malloc (bytes=2048) at malloc.c:2891
#3 0x00000000010c82e6 in contrail::sandesh::transport::TMemoryBuffer::initCommon(unsigned char*, unsigned int, bool, unsigned int) ()
#4 0x00000000010ef8a6 in SandeshWriter::SendMsg(Sandesh*, bool) ()
#5 0x00000000010f0b28 in SandeshSession::SendMsg(SandeshElement) ()
#6 0x00000000010f16e0 in boost::detail::function::function_obj_invoker1<boost::_bi::bind_t<bool, boost::_mfi::mf1<bool, SandeshSession, SandeshElement>, boost::_bi::list2<boost::_bi::value<SandeshSession*>, boost::arg<1> > >, bool, SandeshElement>::invoke(boost::detail::function::function_buffer&, SandeshElement) ()
#7 0x00000000010cd6f0 in QueueTaskRunner<SandeshElement, WorkQueue<SandeshElement> >::Run() ()
#8 0x0000000001186b3c in TaskImpl::execute() ()
#9 0x00007fa842b2bb3a in ?? () from /usr/lib/libtbb.so.2
#10 0x00007fa842b27816 in ?? () from /usr/lib/libtbb.so.2
#11 0x00007fa842b26f4b in ?? () from /usr/lib/libtbb.so.2
#12 0x00007fa842b230ff in ?? () from /usr/lib/libtbb.so.2
#13 0x00007fa842b232f9 in ?? () from /usr/lib/libtbb.so.2
#14 0x00007fa842d47182 in start_thread (arg=0x7fa839ddd700) at pthread_create.c:312
#15 0x00007fa84202047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

[Hari Prasad Killi (haripk)]

Possibly due to bug 1569645. Keeping under observation.