vrouter crash at virtual tbb::task

[Shashikiran H]

3.2.0.0-3~mitaka
Cores will be in /cs-shared/bugs/1642480

Seeing below crash in my HA setup 3 times:
root@nodeg8:~# gdb /usr/bin/contrail-vrouter-agent /var/crashes/core.contrail-vroute.29463.nodeg8.1479277801
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Reading symbols from /usr/bin/contrail-vrouter-agent...(no debugging symbols found)...done.

warning: core file may not match specified executable file.
[New LWP 29481]
[New LWP 29463]
[New LWP 29480]
[New LWP 13061]
[New LWP 29486]
[New LWP 29483]
[New LWP 29485]
[New LWP 29484]
[New LWP 29479]
[New LWP 29482]
[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 SIGABRT, Aborted.
#0 0x00007f04f9c1bc37 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0 0x00007f04f9c1bc37 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007f04f9c1f028 in __GI_abort () at abort.c:89
#2 0x00007f04f9c14bf6 in __assert_fail_base (fmt=0x7f04f9d653b8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n",
    assertion=assertion@entry=0x1321f35 "0", file=file@entry=0x1435060 "controller/src/base/task.cc", line=line@entry=291,
    function=function@entry=0x14369e0 "virtual tbb::task* TaskImpl::execute()") at assert.c:92
#3 0x00007f04f9c14ca2 in __GI___assert_fail (assertion=0x1321f35 "0", file=0x1435060 "controller/src/base/task.cc", line=291,
    function=0x14369e0 "virtual tbb::task* TaskImpl::execute()") at assert.c:101
#4 0x00000000012cd9a3 in TaskImpl::execute() ()
#5 0x00007f04fa7eab3a in ?? () from /usr/lib/libtbb.so.2
#6 0x00007f04fa7e6816 in ?? () from /usr/lib/libtbb.so.2
#7 0x00007f04fa7e5f4b in ?? () from /usr/lib/libtbb.so.2
#8 0x00007f04fa7e20ff in ?? () from /usr/lib/libtbb.so.2
#9 0x00007f04fa7e22f9 in ?? () from /usr/lib/libtbb.so.2
#10 0x00007f04faa06184 in start_thread (arg=0x7f04f287c700) at pthread_create.c:312
#11 0x00007f04f9cdf37d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

[Hari Prasad Killi (haripk)]

std::bad_alloc exception is caught, pointing to memory corruption.