...
2019/09/05 09:08:11.403244 INFO ExtHandler Stopped tracking cgroup: Microsoft.Azure.Extensions.CustomScript-2.0.7, path: /sys/fs/cgroup/memory/system.slice/Microsoft.Azure.Extensions.CustomScript_2.0.7_e65b6dff-4c71-4404-b6f5-d58f1a2527c4.scope
2019/09/05 09:13:08.812159 INFO Daemon Agent WALinuxAgent-2.2.42 launched with command 'python3 -u bin/WALinuxAgent-2.2.42-py2.7.egg -run-exthandlers' is successfully running
[21965.367843] kernel BUG at /build/linux-azure-njdnVX/linux-azure-4.15.0/net/ipv4/ip_output.c:636!
[21965.373601] invalid opcode: 0000 [#1] SMP PTI
[21965.376522] Modules linked in: veth xt_nat xt_tcpudp ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_nat_ipv4 xt_addrtype iptable_filter nf_nat br_netfilter bridge stp llc aufs nf_conntrack_ipv4 nf_defrag_ipv4 xt_owner xt_conntrack nf_conntrack iptable_security ip_tables x_tables overlay kvm_intel kvm irqbypass serio_raw hv_balloon joydev ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc hid_generic aesni_intel aes_x86_64 crypto_simd glue_helper cryptd hid_hyperv hyperv_keyboard hid hv_netvsc hv_utils
[21965.377590]  hyperv_fb cfbfillrect cfbimgblt pata_acpi cfbcopyarea
[21965.377590] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.15.0-1056-azure #61-Ubuntu
[21965.377590] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090007  06/02/2017
[21965.435777] RIP: 0010:ip_do_fragment+0x571/0x860
[21965.435777] RSP: 0018:ffff8e9d35603a28 EFLAGS: 00010206
[21965.435777] RAX: 0000000000000001 RBX: ffff8e9d2a8e6500 RCX: 000000000000058c
[21965.435777] RDX: 0000000000000024 RSI: 0000000000000578 RDI: ffff8e9d2a23e200
[21965.435777] RBP: ffff8e9d35603aa0 R08: ffff8e9d1e0ef90e R09: ffff8e9d1e0ef8c0
[21965.435777] R10: 000000000000058c R11: ffff8e9d2a83ee00 R12: 0000000000000005
[21965.435777] R13: 0000000000000619 R14: ffff8e9d2a23e600 R15: ffffffff91e4e7c0
[21965.435777] FS:  0000000000000000(0000) GS:ffff8e9d35600000(0000) knlGS:0000000000000000
[21965.435777] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[21965.435777] CR2: 0000000000fba348 CR3: 000000024980a002 CR4: 00000000003606f0
[21965.435777] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[21965.435777] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[21965.435777] Call Trace:
[21965.435777]  <IRQ>
[21965.435777]  ? ip_copy_metadata+0x220/0x220
[21965.435777]  ip_fragment.constprop.47+0x43/0x90
[21965.435777]  ip_finish_output+0xf6/0x270
[21965.435777]  ? nf_hook_slow+0x48/0xd0
[21965.435777]  ip_output+0x75/0xf0
[21965.435777]  ? ip_fragment.constprop.47+0x90/0x90
[21965.435777]  ip_forward_finish+0x51/0x80
[21965.435777]  ip_forward+0x38a/0x480
[21965.435777]  ? ip4_key_hashfn+0xb0/0xb0
[21965.435777]  ip_rcv_finish+0x122/0x410
[21965.435777]  ip_rcv+0x292/0x360
[21965.435777]  ? inet_del_offload+0x40/0x40
[21965.435777]  __netif_receive_skb_core+0x809/0xbc0
[21965.435777]  ? update_load_avg+0x5e0/0x700
[21965.435777]  ? select_idle_sibling+0x29/0x390
[21965.435777]  __netif_receive_skb+0x18/0x60
[21965.435777]  ? __netif_receive_skb+0x18/0x60
[21965.435777]  netif_receive_skb_internal+0x37/0xe0
[21965.435777]  napi_gro_receive+0xd0/0xf0
[21965.435777]  netvsc_recv_callback+0x16d/0x220 [hv_netvsc]
[21965.435777]  rndis_filter_receive+0x23b/0x580 [hv_netvsc]
[21965.435777]  netvsc_poll+0x17e/0x630 [hv_netvsc]
[21965.435777]  net_rx_action+0x265/0x3b0
[21965.435777]  ? rcu_process_callbacks+0x89/0x510
[21965.435777]  __do_softirq+0xf5/0x2a8
[21965.435777]  irq_exit+0x106/0x110
[21965.435777]  hyperv_vector_handler+0x63/0x76
[21965.435777]  hyperv_callback_vector+0x96/0xa0
[21965.435777]  </IRQ>
[21965.435777] RIP: 0010:native_safe_halt+0x12/0x20
[21965.435777] RSP: 0018:ffffffff91c03e20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff0c
[21965.435777] RAX: ffffffff912d9a20 RBX: 0000000000000000 RCX: 0000000000000000
[21965.583617] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[21965.583617] RBP: ffffffff91c03e20 R08: fffffffe86bbfbc2 R09: 011d995944ede8f3
[21965.583617] R10: ffffffff91c03dc8 R11: 0000000000000217 R12: 0000000000000000
[21965.583617] R13: ffffffff91c11480 R14: 0000000000000000 R15: 0000000000000000
[21965.583617]  ? __sched_text_end+0x5/0x5
[21965.583617]  default_idle+0x1e/0x100
[21965.583617]  arch_cpu_idle+0x15/0x20
[21965.583617]  default_idle_call+0x23/0x30
[21965.583617]  do_idle+0x17a/0x200
[21965.583617]  cpu_startup_entry+0x73/0x80
[21965.583617]  rest_init+0xaa/0xb0
[21965.583617]  start_kernel+0x4ff/0x520
[21965.583617]  x86_64_start_reservations+0x24/0x26
[21965.583617]  x86_64_start_kernel+0x74/0x77
[21965.583617]  secondary_startup_64+0xa5/0xb0
[21965.583617] Code: 06 48 83 3f 00 75 26 48 8b 87 d8 00 00 00 48 2b 87 d0 00 00 00 39 c2 77 14 8b 87 e4 00 00 00 83 f8 01 75 09 48 83 7f 18 00 74 9a <0f> 0b 41 8b 86 cc 00 00 00 4d 8b 8e d0 00 00 00 49 8b 44 01 08 
[21965.583617] RIP: ip_do_fragment+0x571/0x860 RSP: ffff8e9d35603a28
[21965.655730] ---[ end trace 3d82b6856be91658 ]---
[21965.660422] Kernel panic - not syncing: Fatal exception in interrupt
[21965.664418] Kernel Offset: 0xfa00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[21965.664418] ---[ end Kernel panic - not syncing: Fatal exception in interrupt
[21965.665126] ------------[ cut here ]------------
[21965.665126] sched: Unexpected reschedule of offline CPU#1!
[21965.665126] WARNING: CPU: 0 PID: 0 at /build/linux-azure-njdnVX/linux-azure-4.15.0/arch/x86/kernel/smp.c:128 native_smp_send_reschedule+0x3f/0x50
[21965.665126] Modules linked in: veth xt_nat xt_tcpudp ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo iptable_nat nf_nat_ipv4 xt_addrtype iptable_filter nf_nat br_netfilter bridge stp llc aufs nf_conntrack_ipv4 nf_defrag_ipv4 xt_owner xt_conntrack nf_conntrack iptable_security ip_tables x_tables overlay kvm_intel kvm irqbypass serio_raw hv_balloon joydev ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc hid_generic aesni_intel aes_x86_64 crypto_simd glue_helper cryptd hid_hyperv hyperv_keyboard hid hv_netvsc hv_utils
[21965.665126]  hyperv_fb cfbfillrect cfbimgblt pata_acpi cfbcopyarea
[21965.665126] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D          4.15.0-1056-azure #61-Ubuntu
[21965.665126] Hardware name: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS 090007  06/02/2017
[21965.665126] RIP: 0010:native_smp_send_reschedule+0x3f/0x50
[21965.665126] RSP: 0018:ffff8e9d356032c0 EFLAGS: 00010082
[21965.665126] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000006
[21965.665126] RDX: 0000000000000007 RSI: 0000000000000082 RDI: ffff8e9d356155d0
[21965.665126] RBP: ffff8e9d356032c0 R08: 0000000000000000 R09: 00000000000002cb
[21965.665126] R10: 00000000000ffc00 R11: 0000000000000038 R12: ffff8e9d1c239700
[21965.665126] R13: ffff8e9d35661600 R14: ffff8e9d35603378 R15: ffff8e9d35661600
[21965.665126] FS:  0000000000000000(0000) GS:ffff8e9d35600000(0000) knlGS:0000000000000000
[21965.665126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[21965.665126] CR2: 0000000000fba348 CR3: 000000024980a002 CR4: 00000000003606f0
[21965.665126] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[21965.665126] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[21965.665126] Call Trace:
[21965.665126]  <IRQ>
[21965.665126]  resched_curr+0x6c/0xd0
[21965.665126]  check_preempt_curr+0x54/0x90
[21965.665126]  ttwu_do_wakeup+0x1e/0x150
[21965.665126]  ttwu_do_activate+0x77/0x80
[21965.665126]  try_to_wake_up+0x1d8/0x4c0
[21965.665126]  default_wake_function+0x12/0x20
[21965.665126]  autoremove_wake_function+0x12/0x40
[21965.665126]  __wake_up_common+0x8c/0x130
[21965.665126]  __wake_up_common_lock+0x80/0xc0
[21965.665126]  __wake_up+0x13/0x20
[21965.665126]  wake_up_klogd_work_func+0x40/0x60
[21965.665126]  irq_work_run_list+0x55/0x80
[21965.665126]  ? tick_sched_do_timer+0x70/0x70
[21965.665126]  irq_work_tick+0x40/0x50
[21965.665126]  update_process_times+0x42/0x60
[21965.665126]  tick_sched_handle+0x2a/0x60
[21965.665126]  tick_sched_timer+0x39/0x80
[21965.665126]  __hrtimer_run_queues+0xe7/0x230
[21965.665126]  hrtimer_interrupt+0xb1/0x200
[21965.665126]  vmbus_isr+0x16c/0x2a0
[21965.665126]  hyperv_vector_handler+0x3f/0x76
[21965.665126]  hyperv_callback_vector+0x96/0xa0
[21965.665126] RIP: 0010:panic+0x201/0x254
[21965.665126] RSP: 0018:ffff8e9d35603748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff0c
[21965.665126] RAX: 0000000000000041 RBX: 0000000000000200 RCX: 0000000000000006
[21965.665126] RDX: 0000000000000000 RSI: 0000000000000092 RDI: ffff8e9d356155d0
[21965.665126] RBP: ffff8e9d356037c0 R08: 0000000000000000 R09: 00000000000002c9
[21965.665126] R10: 0000000000000000 R11: 0000000000000038 R12: 0000000000000000
[21965.665126] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8e9d35603870
[21965.665126]  ? panic+0x1fa/0x254
[21965.665126]  oops_end+0xcc/0xd0
[21965.665126]  die+0x42/0x50
[21965.665126]  do_trap+0xb9/0x150
[21965.665126]  do_error_trap.part.9+0x89/0x110
[21965.665126]  ? ip_do_fragment+0x571/0x860
[21965.665126]  ? report_bug+0x101/0x120
[21965.665126]  do_error_trap+0x27/0x60
[21965.665126]  do_invalid_op+0x20/0x30
[21965.665126]  invalid_op+0x1b/0x40
[21965.665126] RIP: 0010:ip_do_fragment+0x571/0x860
[21965.665126] RSP: 0018:ffff8e9d35603a28 EFLAGS: 00010206
[21965.665126] RAX: 0000000000000001 RBX: ffff8e9d2a8e6500 RCX: 000000000000058c
[21965.665126] RDX: 0000000000000024 RSI: 0000000000000578 RDI: ffff8e9d2a23e200
[21965.665126] RBP: ffff8e9d35603aa0 R08: ffff8e9d1e0ef90e R09: ffff8e9d1e0ef8c0
[21965.665126] R10: 000000000000058c R11: ffff8e9d2a83ee00 R12: 0000000000000005
[21965.665126] R13: 0000000000000619 R14: ffff8e9d2a23e600 R15: ffffffff91e4e7c0
[21965.665126]  ? ip_copy_metadata+0x220/0x220
[21965.665126]  ip_fragment.constprop.47+0x43/0x90
[21965.665126]  ip_finish_output+0xf6/0x270
[21965.665126]  ? nf_hook_slow+0x48/0xd0
[21965.665126]  ip_output+0x75/0xf0
[21965.665126]  ? ip_fragment.constprop.47+0x90/0x90
[21965.665126]  ip_forward_finish+0x51/0x80
[21965.665126]  ip_forward+0x38a/0x480
[21965.665126]  ? ip4_key_hashfn+0xb0/0xb0
[21965.665126]  ip_rcv_finish+0x122/0x410
[21965.665126]  ip_rcv+0x292/0x360
[21965.665126]  ? inet_del_offload+0x40/0x40
[21965.665126]  __netif_receive_skb_core+0x809/0xbc0
[21965.665126]  ? update_load_avg+0x5e0/0x700
[21965.665126]  ? select_idle_sibling+0x29/0x390
[21965.665126]  __netif_receive_skb+0x18/0x60
[21965.665126]  ? __netif_receive_skb+0x18/0x60
[21965.665126]  netif_receive_skb_internal+0x37/0xe0
[21965.665126]  napi_gro_receive+0xd0/0xf0
[21965.665126]  netvsc_recv_callback+0x16d/0x220 [hv_netvsc]
[21965.665126]  rndis_filter_receive+0x23b/0x580 [hv_netvsc]
[21965.665126]  netvsc_poll+0x17e/0x630 [hv_netvsc]
[21965.665126]  net_rx_action+0x265/0x3b0
[21965.665126]  ? rcu_process_callbacks+0x89/0x510
[21965.665126]  __do_softirq+0xf5/0x2a8
[21965.665126]  irq_exit+0x106/0x110
[21965.665126]  hyperv_vector_handler+0x63/0x76
[21965.665126]  hyperv_callback_vector+0x96/0xa0
[21965.665126]  </IRQ>
[21965.665126] RIP: 0010:native_safe_halt+0x12/0x20
[21965.665126] RSP: 0018:ffffffff91c03e20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff0c
[21965.665126] RAX: ffffffff912d9a20 RBX: 0000000000000000 RCX: 0000000000000000
[21965.665126] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[21965.665126] RBP: ffffffff91c03e20 R08: fffffffe86bbfbc2 R09: 011d995944ede8f3
[21965.665126] R10: ffffffff91c03dc8 R11: 0000000000000217 R12: 0000000000000000
[21965.665126] R13: ffffffff91c11480 R14: 0000000000000000 R15: 0000000000000000
[21965.665126]  ? __sched_text_end+0x5/0x5
[21965.665126]  default_idle+0x1e/0x100
[21965.665126]  arch_cpu_idle+0x15/0x20
[21965.665126]  default_idle_call+0x23/0x30
[21965.665126]  do_idle+0x17a/0x200
[21965.665126]  cpu_startup_entry+0x73/0x80
[21965.665126]  rest_init+0xaa/0xb0
[21965.665126]  start_kernel+0x4ff/0x520
[21965.665126]  x86_64_start_reservations+0x24/0x26
[21965.665126]  x86_64_start_kernel+0x74/0x77
[21965.665126]  secondary_startup_64+0xa5/0xb0
[21965.665126] Code: 92 c0 84 c0 74 17 48 8b 05 0f a8 0e 01 be fd 00 00 00 48 8b 40 30 e8 c1 ac bb 00 5d c3 89 fe 48 c7 c7 d8 af a5 91 e8 d1 6b 03 00 <0f> 0b 5d c3 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 
[21965.665126] ---[ end trace 3d82b6856be91659 ]---
[21966.164268] hyperv_fb: Unable to send packet via vmbus
[21966.164268] hyperv_fb: Unable to send packet via vmbus
[21966.164268] hyperv_fb: Unable to send packet via vmbus
[21966.164269] hyperv_fb: Unable to send packet via vmbus
[21966.164269] hyperv_fb: Unable to send packet via vmbus
[21966.164269] hyperv_fb: Unable to send packet via vmbus
[21966.164270] hyperv_fb: Unable to send packet via vmbus
[21966.164270] hyperv_fb: Unable to send packet via vmbus
[21966.164270] hyperv_fb: Unable to send packet via vmbus
[21966.164270] hyperv_fb: Unable to send packet via vmbus
[21966.164271] hyperv_fb: Unable to send packet via vmbus
[21966.164271] hyperv_fb: Unable to send packet via vmbus
[21966.164271] hyperv_fb: Unable to send packet via vmbus
[21966.164271] hyperv_fb: Unable to send packet via vmbus
[21966.164272] hyperv_fb: Unable to send packet via vmbus
[21966.164272] hyperv_fb: Unable to send packet via vmbus
...