Comment 1 for bug 1641833

A new core with similar bt
(gdb) bt
#0 0x00007ff67a1eec37 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007ff67a1f2028 in __GI_abort () at abort.c:89
#2 0x00007ff67a22b2a4 in __libc_message (do_abort=1, fmt=fmt@entry=0x7ff67a3396b0 "*** Error in `%s': %s: 0x%s ***\n")
    at ../sysdeps/posix/libc_fatal.c:175
#3 0x00007ff67a238e26 in malloc_printerr (ptr=0x7ff654265d30, str=0x7ff67a335882 "malloc(): memory corruption",
    action=<optimized out>) at malloc.c:4996
#4 _int_malloc (av=0x7ff654000020, bytes=96) at malloc.c:3447
#5 0x00007ff67a23a6c0 in __GI___libc_malloc (bytes=96) at malloc.c:2891
#6 0x00007ff67aaf7dad in operator new(unsigned long) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#7 0x0000000000d15839 in WorkQueue<boost::shared_ptr<FlowAceStatsRequest> >::MayBeStartRunner() ()
#8 0x0000000000d15f30 in WorkQueue<boost::shared_ptr<FlowAceStatsRequest> >::Enqueue(boost::shared_ptr<FlowAceStatsRequest>) ()
#9 0x0000000000d1389a in StatsManager::EnqueueEvent(boost::shared_ptr<FlowAceStatsRequest> const&) ()
#10 0x0000000000cdba35 in FlowMgmtManager::EnqueueUveAddEvent(FlowEntry const*) const ()
#11 0x0000000000cde118 in FlowMgmtManager::RequestHandler(boost::shared_ptr<FlowMgmtRequest>) ()
#12 0x0000000000ce056c in boost::detail::function::function_obj_invoker1<boost::_bi::bind_t<bool, boost::_mfi::mf1<bool, FlowMgmtManager, boost::shared_ptr<FlowMgmtRequest> >, boost::_bi::list2<boost::_bi::value<FlowMgmtManager*>, boost::arg<1> > >, bool, boost::shared_ptr<FlowMgmtRequest> >::invoke(boost::detail::function::function_buffer&, boost::shared_ptr<FlowMgmtRequest>) ()
#13 0x0000000000ce6144 in QueueTaskRunner<boost::shared_ptr<FlowMgmtRequest>, WorkQueue<boost::shared_ptr<FlowMgmtRequest> > >::RunQueue() ()
#14 0x00000000012cd72f in TaskImpl::execute() ()
#15 0x00007ff67adbdb3a in ?? () from /usr/lib/libtbb.so.2
#16 0x00007ff67adb9816 in ?? () from /usr/lib/libtbb.so.2
#17 0x00007ff67adb8f4b in ?? () from /usr/lib/libtbb.so.2
#18 0x00007ff67adb50ff in ?? () from /usr/lib/libtbb.so.2
#19 0x00007ff67adb52f9 in ?? () from /usr/lib/libtbb.so.2
#20 0x00007ff67afd9184 in start_thread (arg=0x7ff67224c700) at pthread_create.c:312
#21 0x00007ff67a2b237d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111