[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[  100.887723][   T33] audit: type=1800 audit(1584346415.946:25): pid=10751 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[  100.916242][   T33] audit: type=1800 audit(1584346415.966:26): pid=10751 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[  100.961661][   T33] audit: type=1800 audit(1584346415.996:27): pid=10751 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.0.167' (ECDSA) to the list of known hosts.
syzkaller login: [  114.102780][T10902] IPVS: ftp: loaded support on port[0] = 21
[  114.189063][T10902] chnl_net:caif_netlink_parms(): no params data found
[  114.264282][T10902] bridge0: port 1(bridge_slave_0) entered blocking state
[  114.271474][T10902] bridge0: port 1(bridge_slave_0) entered disabled state
[  114.280190][T10902] device bridge_slave_0 entered promiscuous mode
[  114.288897][T10902] bridge0: port 2(bridge_slave_1) entered blocking state
[  114.296330][T10902] bridge0: port 2(bridge_slave_1) entered disabled state
[  114.305056][T10902] device bridge_slave_1 entered promiscuous mode
[  114.331657][T10902] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  114.343390][T10902] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  114.369646][T10902] team0: Port device team_slave_0 added
[  114.377828][T10902] team0: Port device team_slave_1 added
[  114.399669][T10902] batman_adv: batadv0: Adding interface: batadv_slave_0
[  114.406852][T10902] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[  114.433141][T10902] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[  114.445794][T10902] batman_adv: batadv0: Adding interface: batadv_slave_1
[  114.452787][T10902] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[  114.478881][T10902] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[  114.547352][T10902] device hsr_slave_0 entered promiscuous mode
[  114.594233][T10902] device hsr_slave_1 entered promiscuous mode
[  114.738930][T10902] netdevsim netdevsim0 netdevsim0: renamed from eth0
[  114.798167][T10902] netdevsim netdevsim0 netdevsim1: renamed from eth1
[  114.858068][T10902] netdevsim netdevsim0 netdevsim2: renamed from eth2
[  114.924423][T10902] netdevsim netdevsim0 netdevsim3: renamed from eth3
[  115.001100][T10902] bridge0: port 2(bridge_slave_1) entered blocking state
[  115.008307][T10902] bridge0: port 2(bridge_slave_1) entered forwarding state
[  115.016128][T10902] bridge0: port 1(bridge_slave_0) entered blocking state
[  115.023284][T10902] bridge0: port 1(bridge_slave_0) entered forwarding state
[  115.085553][T10902] 8021q: adding VLAN 0 to HW filter on device bond0
[  115.101418][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  115.113193][   T12] bridge0: port 1(bridge_slave_0) entered disabled state
[  115.122268][   T12] bridge0: port 2(bridge_slave_1) entered disabled state
[  115.132301][   T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[  115.148869][T10902] 8021q: adding VLAN 0 to HW filter on device team0
[  115.163326][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[  115.172757][ T3397] bridge0: port 1(bridge_slave_0) entered blocking state
[  115.179939][ T3397] bridge0: port 1(bridge_slave_0) entered forwarding state
[  115.211944][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[  115.222495][ T3397] bridge0: port 2(bridge_slave_1) entered blocking state
[  115.229820][ T3397] bridge0: port 2(bridge_slave_1) entered forwarding state
[  115.240182][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[  115.252157][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[  115.266260][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[  115.277108][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[  115.291888][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[  115.301708][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[  115.319284][T10902] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[  115.331304][T10902] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[  115.341460][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[  115.350736][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[  115.377363][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[  115.385359][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[  115.401810][T10902] 8021q: adding VLAN 0 to HW filter on device batadv0
[  115.427283][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[  115.437291][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[  115.462663][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[  115.472158][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[  115.486410][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[  115.495262][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[  115.505966][T10902] device veth0_vlan entered promiscuous mode
[  115.520774][T10902] device veth1_vlan entered promiscuous mode
[  115.550141][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[  115.559674][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[  115.568472][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[  115.577462][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[  115.591184][T10902] device veth0_macvtap entered promiscuous mode
[  115.602290][T10902] device veth1_macvtap entered promiscuous mode
[  115.625285][T10902] batman_adv: batadv0: Interface activated: batadv_slave_0
[  115.632715][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[  115.641973][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[  115.650565][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[  115.659875][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[  115.675608][T10902] batman_adv: batadv0: Interface activated: batadv_slave_1
[  115.683051][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[  115.692402][ T3397] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
executing program
[  115.904616][    C1] =====================================================
[  115.911591][    C1] BUG: KMSAN: use-after-free in find_match+0x317/0x1480
[  115.918504][    C1] CPU: 1 PID: 3397 Comm: kworker/1:2 Not tainted 5.6.0-rc2-syzkaller #0
[  115.926802][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  115.936850][    C1] Workqueue: ipv6_addrconf addrconf_dad_work
[  115.942828][    C1] Call Trace:
[  115.946098][    C1]  <IRQ>
[  115.948930][    C1]  dump_stack+0x1c9/0x220
[  115.953244][    C1]  kmsan_report+0xf7/0x1e0
[  115.957640][    C1]  __msan_warning+0x58/0xa0
[  115.962125][    C1]  find_match+0x317/0x1480
[  115.966524][    C1]  ? __msan_metadata_ptr_for_load_2+0x10/0x20
[  115.972568][    C1]  ? netif_skb_features+0xbe4/0x1030
[  115.977840][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  115.983024][    C1]  __find_rr_leaf+0x3f9/0x1160
[  115.987780][    C1]  ? kmsan_get_metadata+0x4f/0x180
[  115.992872][    C1]  fib6_table_lookup+0x586/0x1420
[  115.997906][    C1]  ip6_pol_route+0x203/0x2960
[  116.002582][    C1]  ip6_pol_route_input+0x123/0x140
[  116.007677][    C1]  fib6_rule_lookup+0x38f/0xa10
[  116.012507][    C1]  ? ip6_route_input_lookup+0x1f0/0x1f0
[  116.018040][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.023222][    C1]  ip6_route_input+0xb9d/0xcf0
[  116.027984][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.033167][    C1]  ip6_rcv_finish_core+0x1f9/0x470
[  116.038288][    C1]  ipv6_rcv+0x628/0x710
[  116.042466][    C1]  ? local_bh_enable+0x40/0x40
[  116.047216][    C1]  process_backlog+0xa41/0x1410
[  116.052054][    C1]  ? kmsan_get_metadata+0x4f/0x180
[  116.057169][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.062349][    C1]  ? rps_trigger_softirq+0x2e0/0x2e0
[  116.067618][    C1]  net_rx_action+0x786/0x1aa0
[  116.072290][    C1]  ? net_tx_action+0xc30/0xc30
[  116.077034][    C1]  __do_softirq+0x311/0x83d
[  116.081524][    C1]  do_softirq_own_stack+0x49/0x80
[  116.086521][    C1]  </IRQ>
[  116.089444][    C1]  __local_bh_enable_ip+0x184/0x1d0
[  116.094628][    C1]  local_bh_enable+0x36/0x40
[  116.099199][    C1]  ip6_finish_output2+0x2113/0x2640
[  116.104412][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.109604][    C1]  __ip6_finish_output+0x824/0x8e0
[  116.114704][    C1]  ip6_finish_output+0x166/0x410
[  116.119624][    C1]  ip6_output+0x60a/0x770
[  116.123961][    C1]  ? ip6_output+0x770/0x770
[  116.128454][    C1]  ? ac6_seq_show+0x200/0x200
[  116.133106][    C1]  ndisc_send_skb+0x1047/0x15a0
[  116.137969][    C1]  ? ndisc_error_report+0x1a0/0x1a0
[  116.143160][    C1]  ndisc_send_ns+0xe38/0xe80
[  116.147734][    C1]  ? __queue_delayed_work+0x27f/0x450
[  116.153085][    C1]  ? kmsan_get_shadow_origin_ptr+0x81/0xb0
[  116.158976][    C1]  addrconf_dad_work+0xc0b/0x2aa0
[  116.163995][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.169192][    C1]  ? ipv6_get_saddr_eval+0x1350/0x1350
[  116.174633][    C1]  process_one_work+0x1555/0x1f40
[  116.179662][    C1]  worker_thread+0xef6/0x2450
[  116.184346][    C1]  ? kmsan_get_shadow_origin_ptr+0x81/0xb0
[  116.190164][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.195373][    C1]  kthread+0x4b5/0x4f0
[  116.199434][    C1]  ? process_one_work+0x1f40/0x1f40
[  116.204628][    C1]  ? kthread_blkcg+0xf0/0xf0
[  116.209209][    C1]  ret_from_fork+0x35/0x40
[  116.213617][    C1] 
[  116.215931][    C1] Uninit was created at:
[  116.220171][    C1]  kmsan_internal_poison_shadow+0x66/0xd0
[  116.225880][    C1]  kmsan_slab_free+0x6e/0xb0
[  116.231245][    C1]  kfree+0x565/0x30a0
[  116.235215][    C1]  netdev_name_node_alt_destroy+0x587/0x690
[  116.241093][    C1]  rtnl_linkprop+0x939/0xc00
[  116.245671][    C1]  rtnl_dellinkprop+0x9d/0xb0
[  116.250328][    C1]  rtnetlink_rcv_msg+0x1153/0x1570
[  116.255436][    C1]  netlink_rcv_skb+0x451/0x650
[  116.260199][    C1]  rtnetlink_rcv+0x50/0x60
[  116.264640][    C1]  netlink_unicast+0xf9e/0x1100
[  116.269488][    C1]  netlink_sendmsg+0x1246/0x14d0
[  116.274520][    C1]  ____sys_sendmsg+0x12b6/0x1350
[  116.279446][    C1]  __sys_sendmsg+0x451/0x5f0
[  116.284021][    C1]  __se_sys_sendmsg+0x97/0xb0
[  116.288688][    C1]  __x64_sys_sendmsg+0x4a/0x70
[  116.293446][    C1]  do_syscall_64+0xb8/0x160
[  116.297939][    C1]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  116.303812][    C1] =====================================================
[  116.310728][    C1] Disabling lock debugging due to kernel taint
[  116.316869][    C1] Kernel panic - not syncing: panic_on_warn set ...
[  116.316872][    C0] =====================================================
[  116.316895][    C0] BUG: KMSAN: use-after-free in find_match+0x317/0x1480
[  116.323457][    C1] CPU: 1 PID: 3397 Comm: kworker/1:2 Tainted: G    B             5.6.0-rc2-syzkaller #0
[  116.346986][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  116.357043][    C1] Workqueue: ipv6_addrconf addrconf_dad_work
[  116.363016][    C1] Call Trace:
[  116.366372][    C1]  <IRQ>
[  116.369220][    C1]  dump_stack+0x1c9/0x220
[  116.373544][    C1]  panic+0x3d5/0xc3e
[  116.377456][    C1]  kmsan_report+0x1df/0x1e0
[  116.381954][    C1]  __msan_warning+0x58/0xa0
[  116.386452][    C1]  find_match+0x317/0x1480
[  116.390858][    C1]  ? __msan_metadata_ptr_for_load_2+0x10/0x20
[  116.396914][    C1]  ? netif_skb_features+0xbe4/0x1030
[  116.402196][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.407393][    C1]  __find_rr_leaf+0x3f9/0x1160
[  116.412164][    C1]  ? kmsan_get_metadata+0x4f/0x180
[  116.417267][    C1]  fib6_table_lookup+0x586/0x1420
[  116.422316][    C1]  ip6_pol_route+0x203/0x2960
[  116.427037][    C1]  ip6_pol_route_input+0x123/0x140
[  116.432146][    C1]  fib6_rule_lookup+0x38f/0xa10
[  116.436985][    C1]  ? ip6_route_input_lookup+0x1f0/0x1f0
[  116.442536][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.447727][    C1]  ip6_route_input+0xb9d/0xcf0
[  116.452490][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.459523][    C1]  ip6_rcv_finish_core+0x1f9/0x470
[  116.464638][    C1]  ipv6_rcv+0x628/0x710
[  116.468789][    C1]  ? local_bh_enable+0x40/0x40
[  116.473549][    C1]  process_backlog+0xa41/0x1410
[  116.478396][    C1]  ? kmsan_get_metadata+0x4f/0x180
[  116.483513][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.488702][    C1]  ? rps_trigger_softirq+0x2e0/0x2e0
[  116.493973][    C1]  net_rx_action+0x786/0x1aa0
[  116.498658][    C1]  ? net_tx_action+0xc30/0xc30
[  116.503509][    C1]  __do_softirq+0x311/0x83d
[  116.508027][    C1]  do_softirq_own_stack+0x49/0x80
[  116.513035][    C1]  </IRQ>
[  116.515977][    C1]  __local_bh_enable_ip+0x184/0x1d0
[  116.521172][    C1]  local_bh_enable+0x36/0x40
[  116.525923][    C1]  ip6_finish_output2+0x2113/0x2640
[  116.531257][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.536459][    C1]  __ip6_finish_output+0x824/0x8e0
[  116.541580][    C1]  ip6_finish_output+0x166/0x410
[  116.546515][    C1]  ip6_output+0x60a/0x770
[  116.550848][    C1]  ? ip6_output+0x770/0x770
[  116.555343][    C1]  ? ac6_seq_show+0x200/0x200
[  116.560022][    C1]  ndisc_send_skb+0x1047/0x15a0
[  116.564888][    C1]  ? ndisc_error_report+0x1a0/0x1a0
[  116.570078][    C1]  ndisc_send_ns+0xe38/0xe80
[  116.574661][    C1]  ? __queue_delayed_work+0x27f/0x450
[  116.580113][    C1]  ? kmsan_get_shadow_origin_ptr+0x81/0xb0
[  116.585922][    C1]  addrconf_dad_work+0xc0b/0x2aa0
[  116.590939][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.596137][    C1]  ? ipv6_get_saddr_eval+0x1350/0x1350
[  116.601582][    C1]  process_one_work+0x1555/0x1f40
[  116.606617][    C1]  worker_thread+0xef6/0x2450
[  116.611303][    C1]  ? kmsan_get_shadow_origin_ptr+0x81/0xb0
[  116.617099][    C1]  ? kmsan_get_metadata+0x11d/0x180
[  116.622301][    C1]  kthread+0x4b5/0x4f0
[  116.626356][    C1]  ? process_one_work+0x1f40/0x1f40
[  116.631545][    C1]  ? kthread_blkcg+0xf0/0xf0
[  116.636123][    C1]  ret_from_fork+0x35/0x40
[  116.640549][    C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G    B             5.6.0-rc2-syzkaller #0
[  116.650000][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  116.660060][    C0] Call Trace:
[  116.663339][    C0]  dump_stack+0x1c9/0x220
[  116.667663][    C0]  kmsan_report+0xf7/0x1e0
[  116.672074][    C0]  __msan_warning+0x58/0xa0
[  116.676570][    C0]  find_match+0x317/0x1480
[  116.680991][    C0]  ? kmsan_get_metadata+0x11d/0x180
[  116.686193][    C0]  __find_rr_leaf+0x3f9/0x1160
[  116.690970][    C0]  ? kmsan_get_metadata+0x4f/0x180
[  116.696077][    C0]  fib6_table_lookup+0x586/0x1420
[  116.701126][    C0]  ip6_pol_route+0x203/0x2960
[  116.705795][    C0]  ? nf_ip6_checksum+0x501/0x610
[  116.710899][    C0]  ? kmsan_get_metadata+0x11d/0x180
[  116.716106][    C0]  ip6_pol_route_input+0x123/0x140
[  116.721221][    C0]  fib6_rule_lookup+0x38f/0xa10
[  116.726153][    C0]  ? ip6_route_input_lookup+0x1f0/0x1f0
[  116.731700][    C0]  ? kmsan_get_metadata+0x11d/0x180
[  116.736894][    C0]  ip6_route_input+0xb9d/0xcf0
[  116.741675][    C0]  ? kmsan_get_metadata+0x11d/0x180
[  116.746878][    C0]  ip6_rcv_finish_core+0x1f9/0x470
[  116.753117][    C0]  ipv6_rcv+0x628/0x710
[  116.757272][    C0]  ? local_bh_enable+0x40/0x40
[  116.762045][    C0]  process_backlog+0xa41/0x1410
[  116.766892][    C0]  ? __list_add_valid+0xb8/0x420
[  116.771837][    C0]  ? kmsan_get_metadata+0x4f/0x180
[  116.776945][    C0]  ? kmsan_get_metadata+0x11d/0x180
[  116.782743][    C0]  ? rps_trigger_softirq+0x2e0/0x2e0
[  116.788103][    C0]  net_rx_action+0x786/0x1aa0
[  116.792789][    C0]  ? net_tx_action+0xc30/0xc30
[  116.797544][    C0]  __do_softirq+0x311/0x83d
[  116.802052][    C0]  ? ksoftirqd_should_run+0x30/0x30
[  116.807237][    C0]  ? takeover_tasklets+0x8f0/0x8f0
[  116.812337][    C0]  run_ksoftirqd+0x25/0x40
[  116.816752][    C0]  smpboot_thread_fn+0x493/0x980
[  116.821696][    C0]  kthread+0x4b5/0x4f0
[  116.825767][    C0]  ? cpu_report_death+0x180/0x180
[  116.830787][    C0]  ? kthread_blkcg+0xf0/0xf0
[  116.835382][    C0]  ret_from_fork+0x35/0x40
[  116.839792][    C0] 
[  116.842113][    C0] Uninit was created at:
[  116.846342][    C0]  kmsan_internal_poison_shadow+0x66/0xd0
[  116.852072][    C0]  kmsan_slab_free+0x6e/0xb0
[  116.856664][    C0]  kfree+0x565/0x30a0
[  116.860650][    C0]  netdev_name_node_alt_destroy+0x587/0x690
[  116.866544][    C0]  rtnl_linkprop+0x939/0xc00
[  116.871136][    C0]  rtnl_dellinkprop+0x9d/0xb0
[  116.875847][    C0]  rtnetlink_rcv_msg+0x1153/0x1570
[  116.880949][    C0]  netlink_rcv_skb+0x451/0x650
[  116.885716][    C0]  rtnetlink_rcv+0x50/0x60
[  116.890124][    C0]  netlink_unicast+0xf9e/0x1100
[  116.894965][    C0]  netlink_sendmsg+0x1246/0x14d0
[  116.899915][    C0]  ____sys_sendmsg+0x12b6/0x1350
[  116.904839][    C0]  __sys_sendmsg+0x451/0x5f0
[  116.909413][    C0]  __se_sys_sendmsg+0x97/0xb0
[  116.914078][    C0]  __x64_sys_sendmsg+0x4a/0x70
[  116.918830][    C0]  do_syscall_64+0xb8/0x160
[  116.923318][    C0]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  116.929187][    C0] =====================================================
[  117.848278][    C1] Shutting down cpus with NMI
[  117.866635][    C1] Kernel Offset: 0x4400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[  117.878196][    C1] Rebooting in 86400 seconds..