vrouter crash in ValidateNH(MplsLabel const*, NextHop*)

[vageesan]

vrouter crashed with following backtrace.

build: 3.0.2.0-34~juno

core is in 10.84.5.112:/auto/cores/<bug-id>

#0 0x00007f0980730cc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007f09807340d8 in __GI_abort () at abort.c:89
#2 0x00007f0980729b86 in __assert_fail_base (
    fmt=0x7f098087a830 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n",
    assertion=assertion@entry=0x11efd48 "mpls->GetType() == MplsLabel::MCAST_NH",
    file=file@entry=0x11efd20 "controller/src/vnsw/agent/oper/mpls.cc", line=line@entry=73,
    function=function@entry=0x11f0500 <ValidateNH(MplsLabel const*, NextHop*)::__PRETTY_FUNCTION__> "void ValidateNH(const MplsLabel*, NextHop*)") at assert.c:92
#3 0x00007f0980729c32 in __GI___assert_fail (
    assertion=0x11efd48 "mpls->GetType() == MplsLabel::MCAST_NH",
    file=0x11efd20 "controller/src/vnsw/agent/oper/mpls.cc", line=73,
    function=0x11f0500 <ValidateNH(MplsLabel const*, NextHop*)::__PRETTY_FUNCTION__> "void ValidateNH(const MplsLabel*, NextHop*)") at assert.c:101
#4 0x0000000000a2da62 in ValidateNH (mpls=mpls@entry=0x7f09507b5cf0, nh=nh@entry=0x7f091c9f0640)
    at controller/src/vnsw/agent/oper/mpls.cc:73
#5 0x0000000000a30386 in MplsTable::ChangeNH (this=<optimized out>, mpls=mpls@entry=0x7f09507b5cf0,
    nh=nh@entry=0x7f091c9f0640) at controller/src/vnsw/agent/oper/mpls.cc:81
#6 0x00000000009bb701 in AgentPath::ChangeNH (this=this@entry=0x7f0920bd1190, agent=agent@entry=
    0x363c710, nh=nh@entry=0x7f091c9f0640) at controller/src/vnsw/agent/oper/agent_path.cc:110
#7 0x00000000009bdb09 in MulticastRoute::CopyPathParameters (agent=agent@entry=0x363c710,
    path=path@entry=0x7f0920bd1190, vn_name=..., unresolved=<optimized out>, vxlan_id=152,
    label=152, tunnel_type=8, nh=nh@entry=0x7f091c9f0640)
    at controller/src/vnsw/agent/oper/agent_path.cc:948
#8 0x00000000009e0434 in BridgeRouteEntry::ReComputeMulticastPaths (this=0x7f091cff0850,
    path=<optimized out>, del=<optimized out>) at controller/src/vnsw/agent/oper/bridge_route.cc:802
---Type <return> to continue, or q <return> to quit---
#9 0x00000000009ce024 in AgentRouteTable::DeletePathFromPeer (this=0x7f0920553ec0,
    part=0x7f0921124f90, rt=rt@entry=0x7f091cff0850, path=0x7f0948f6c9d0)
    at controller/src/vnsw/agent/oper/agent_route.cc:252
#10 0x00000000009ce45f in AgentRoute::DeletePathInternal (this=this@entry=0x7f091cff0850,
    path=<optimized out>) at controller/src/vnsw/agent/oper/agent_route.cc:658
#11 0x00000000009dccac in BridgeRouteEntry::DeletePathUsingKeyData (this=0x7f091cff0850,
    key=0x7f091cae5a70, data=0x7f091c402db0, force_delete=false)
    at controller/src/vnsw/agent/oper/bridge_route.cc:471
#12 0x00000000009cf5dd in AgentRouteTable::Input (this=0x7f0920553ec0, part=0x7f0921124f90, client=
    0x0, req=0x7f091ca80760) at controller/src/vnsw/agent/oper/agent_route.cc:464

#13 0x00000000009cf295 in AgentRouteTable::Input (this=0x7f09487598d0, part=<optimized out>,
    client=0x0, req=0x7f091ca80760) at controller/src/vnsw/agent/oper/agent_route.cc:334

#14 0x0000000001097236 in DBPartition::QueueRunner::Run (this=0x7f091cef0dd0)
    at controller/src/db/db_partition.cc:197
#15 0x00000000011a847f in TaskImpl::execute (this=0x7f0968250b40) at controller/src/base/task.cc:261
#16 0x00007f09812ffb3a in ?? () from /usr/lib/libtbb.so.2
#17 0x00007f09812fb816 in ?? () from /usr/lib/libtbb.so.2
#18 0x00007f09812faf4b in ?? () from /usr/lib/libtbb.so.2
#19 0x00007f09812f70ff in ?? () from /usr/lib/libtbb.so.2
#20 0x00007f09812f72f9 in ?? () from /usr/lib/libtbb.so.2
#21 0x00007f098151b182 in start_thread (arg=0x7f0942a1d700) at pthread_create.c:312
#22 0x00007f09807f447d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)