[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 96.584251][ T27] kauditd_printk_skb: 4 callbacks suppressed [ 96.584264][ T27] audit: type=1800 audit(1581649261.108:29): pid=9739 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 96.612403][ T27] audit: type=1800 audit(1581649261.108:30): pid=9739 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.48' (ECDSA) to the list of known hosts. syzkaller login: [ 105.543579][ T9894] IPVS: ftp: loaded support on port[0] = 21 [ 105.602037][ T9894] chnl_net:caif_netlink_parms(): no params data found [ 105.653365][ T9894] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.662595][ T9894] bridge0: port 1(bridge_slave_0) entered disabled state [ 105.671038][ T9894] device bridge_slave_0 entered promiscuous mode [ 105.680046][ T9894] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.687376][ T9894] bridge0: port 2(bridge_slave_1) entered disabled state [ 105.695318][ T9894] device bridge_slave_1 entered promiscuous mode [ 105.712254][ T9894] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 105.723270][ T9894] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 105.743414][ T9894] team0: Port device team_slave_0 added [ 105.751546][ T9894] team0: Port device team_slave_1 added [ 105.766657][ T9894] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 105.774122][ T9894] 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. [ 105.800296][ T9894] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 105.812976][ T9894] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 105.820212][ T9894] 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. [ 105.846814][ T9894] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 105.900993][ T9894] device hsr_slave_0 entered promiscuous mode [ 105.968804][ T9894] device hsr_slave_1 entered promiscuous mode [ 106.084491][ T9894] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 106.141547][ T9894] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 106.201026][ T9894] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 106.260958][ T9894] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 106.314427][ T9894] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.322001][ T9894] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.330130][ T9894] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.337416][ T9894] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.383638][ T9894] 8021q: adding VLAN 0 to HW filter on device bond0 [ 106.397305][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 106.407841][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.416951][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.425968][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 106.440268][ T9894] 8021q: adding VLAN 0 to HW filter on device team0 [ 106.452023][ T3120] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 106.461390][ T3120] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.468696][ T3120] bridge0: port 1(bridge_slave_0) entered forwarding state [ 106.488874][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 106.497526][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.504675][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 106.513299][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 106.523137][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 106.534864][ T3256] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 106.547642][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 106.561857][ T3256] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 106.572650][ T9894] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 106.591520][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 106.600720][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 106.614083][ T9894] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 106.633801][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 106.645111][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 106.668501][ T3256] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 106.677650][ T3256] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 106.687416][ T3120] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 106.695511][ T3120] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 106.704526][ T9894] device veth0_vlan entered promiscuous mode [ 106.717648][ T9894] device veth1_vlan entered promiscuous mode [ 106.740280][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 106.749896][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 106.758239][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 106.767765][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 106.779687][ T9894] device veth0_macvtap entered promiscuous mode [ 106.790333][ T9894] device veth1_macvtap entered promiscuous mode [ 106.809345][ T9894] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 106.817009][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 106.825875][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 106.834806][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 106.844941][ T2713] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 106.857259][ T9894] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 106.865400][ T3120] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 106.874748][ T3120] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 107.218822][ C0] ================================================================== [ 107.227541][ C0] BUG: KASAN: use-after-free in l3mdev_master_ifindex_rcu+0x132/0x150 [ 107.236172][ C0] Read of size 4 at addr ffff88808f57421c by task kworker/0:209/3256 [ 107.244277][ C0] [ 107.246614][ C0] CPU: 0 PID: 3256 Comm: kworker/0:209 Not tainted 5.5.0-syzkaller #0 [ 107.255102][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.266510][ C0] Workqueue: events iterate_cleanup_work [ 107.272697][ C0] Call Trace: [ 107.277502][ C0] [ 107.280392][ C0] dump_stack+0x197/0x210 [ 107.284873][ C0] ? l3mdev_master_ifindex_rcu+0x132/0x150 [ 107.290928][ C0] print_address_description.constprop.0.cold+0xd4/0x30b [ 107.298522][ C0] ? l3mdev_master_ifindex_rcu+0x132/0x150 [ 107.306154][ C0] ? l3mdev_master_ifindex_rcu+0x132/0x150 [ 107.312670][ C0] __kasan_report.cold+0x1b/0x32 [ 107.317856][ C0] ? l3mdev_master_ifindex_rcu+0x132/0x150 [ 107.323669][ C0] kasan_report+0x12/0x20 [ 107.328018][ C0] __asan_report_load4_noabort+0x14/0x20 [ 107.333765][ C0] l3mdev_master_ifindex_rcu+0x132/0x150 [ 107.339409][ C0] ipv6_dev_get_saddr+0x7b8/0xc50 [ 107.344979][ C0] ? inet6_dump_ifaddr+0x30/0x30 [ 107.349972][ C0] ? mark_held_locks+0xf0/0xf0 [ 107.355438][ C0] ? ip6_dst_lookup_tail+0x170/0x1f20 [ 107.361461][ C0] ? __kasan_check_read+0x11/0x20 [ 107.366632][ C0] ip6_dst_lookup_tail+0x1218/0x1f20 [ 107.372303][ C0] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 107.379021][ C0] ? ip6_append_data+0x330/0x330 [ 107.384098][ C0] ? __kasan_check_read+0x11/0x20 [ 107.389451][ C0] ? __lock_acquire+0x8a0/0x4a00 [ 107.394884][ C0] ? unwind_dump+0x100/0x100 [ 107.399596][ C0] ip6_dst_lookup_flow+0x8c/0x1d0 [ 107.405184][ C0] ? ip6_dst_lookup+0x70/0x70 [ 107.409996][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 107.416357][ C0] ? ip6_dst_lookup+0x70/0x70 [ 107.421269][ C0] geneve_get_v6_dst+0x3e1/0x880 [ 107.426485][ C0] geneve_xmit+0x2b4/0x30f0 [ 107.431125][ C0] ? __kasan_check_read+0x11/0x20 [ 107.436261][ C0] ? geneve_gro_receive+0xa80/0xa80 [ 107.441465][ C0] ? skb_network_protocol+0xf6/0x4a0 [ 107.446865][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.452415][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 107.458414][ C0] ? validate_xmit_xfrm+0x425/0xf40 [ 107.463642][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 107.469805][ C0] dev_hard_start_xmit+0x1a3/0x9b0 [ 107.475253][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 107.481791][ C0] __dev_queue_xmit+0x2b05/0x35c0 [ 107.487079][ C0] ? __kasan_check_read+0x11/0x20 [ 107.492124][ C0] ? __lock_acquire+0x16f2/0x4a00 [ 107.497168][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 107.502735][ C0] ? __kasan_check_read+0x11/0x20 [ 107.507818][ C0] ? mark_lock+0xc2/0x1220 [ 107.512241][ C0] ? mark_held_locks+0xa4/0xf0 [ 107.517013][ C0] ? ip6_finish_output2+0xc98/0x25c0 [ 107.522301][ C0] ? __ip6_finish_output+0x444/0xaa0 [ 107.527600][ C0] ? ip6_finish_output2+0xc98/0x25c0 [ 107.532916][ C0] dev_queue_xmit+0x18/0x20 [ 107.537793][ C0] ? dev_queue_xmit+0x18/0x20 [ 107.542587][ C0] ip6_finish_output2+0xfbe/0x25c0 [ 107.547847][ C0] ? ip6_frag_next+0xb20/0xb20 [ 107.552693][ C0] ? rcu_read_lock_held+0x9c/0xb0 [ 107.557844][ C0] ? __kasan_check_read+0x11/0x20 [ 107.562881][ C0] __ip6_finish_output+0x444/0xaa0 [ 107.568084][ C0] ? __ip6_finish_output+0x444/0xaa0 [ 107.573559][ C0] ip6_finish_output+0x38/0x1f0 [ 107.578547][ C0] ip6_output+0x25e/0x880 [ 107.582891][ C0] ? ip6_finish_output+0x1f0/0x1f0 [ 107.588008][ C0] ? __local_bh_enable_ip+0x15a/0x270 [ 107.593677][ C0] ? __ip6_finish_output+0xaa0/0xaa0 [ 107.599145][ C0] ? xfrm_lookup+0x38/0x50 [ 107.603579][ C0] mld_sendpack+0x9c2/0xed0 [ 107.608169][ C0] ? nf_hook.constprop.0+0x560/0x560 [ 107.613600][ C0] ? mld_ifc_timer_expire+0x43e/0x950 [ 107.619104][ C0] ? __local_bh_enable_ip+0x15a/0x270 [ 107.624508][ C0] mld_ifc_timer_expire+0x454/0x950 [ 107.629696][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.635256][ C0] call_timer_fn+0x1ac/0x780 [ 107.639900][ C0] ? mld_dad_timer_expire+0x230/0x230 [ 107.645895][ C0] ? msleep_interruptible+0x150/0x150 [ 107.651353][ C0] ? run_timer_softirq+0x6b1/0x1790 [ 107.656546][ C0] ? trace_hardirqs_on+0x67/0x240 [ 107.661586][ C0] ? mld_dad_timer_expire+0x230/0x230 [ 107.667005][ C0] ? mld_dad_timer_expire+0x230/0x230 [ 107.672382][ C0] run_timer_softirq+0x6c3/0x1790 [ 107.677509][ C0] ? add_timer+0x930/0x930 [ 107.681966][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 107.688155][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.693703][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 107.699684][ C0] ? nf_ct_iterate_cleanup+0x1ec/0x4e0 [ 107.705647][ C0] ? trace_hardirqs_on+0x67/0x240 [ 107.711577][ C0] __do_softirq+0x262/0x98c [ 107.716105][ C0] ? nf_ct_iterate_cleanup+0x1ec/0x4e0 [ 107.721616][ C0] do_softirq_own_stack+0x2a/0x40 [ 107.727014][ C0] [ 107.730021][ C0] do_softirq.part.0+0x11a/0x170 [ 107.735163][ C0] __local_bh_enable_ip+0x211/0x270 [ 107.740490][ C0] nf_ct_iterate_cleanup+0x212/0x4e0 [ 107.746009][ C0] ? nf_ct_alloc_hashtable+0x150/0x150 [ 107.751579][ C0] nf_ct_iterate_cleanup_net+0x133/0x190 [ 107.757571][ C0] ? nf_nat_masquerade_inet_unregister_notifiers+0x80/0x80 [ 107.764901][ C0] ? nf_ct_iterate_cleanup+0x4e0/0x4e0 [ 107.770371][ C0] ? nf_nat_masquerade_inet_unregister_notifiers+0x80/0x80 [ 107.777631][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.783204][ C0] iterate_cleanup_work+0x4c/0x12f [ 107.788418][ C0] process_one_work+0xa05/0x17a0 [ 107.794064][ C0] ? mark_held_locks+0xf0/0xf0 [ 107.799181][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 107.804548][ C0] ? lock_acquire+0x190/0x410 [ 107.809514][ C0] worker_thread+0x98/0xe40 [ 107.814819][ C0] kthread+0x361/0x430 [ 107.820090][ C0] ? process_one_work+0x17a0/0x17a0 [ 107.825759][ C0] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 107.832346][ C0] ret_from_fork+0x24/0x30 [ 107.837159][ C0] [ 107.839686][ C0] Allocated by task 9894: [ 107.844481][ C0] save_stack+0x23/0x90 [ 107.848644][ C0] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 107.855712][ C0] kasan_kmalloc+0x9/0x10 [ 107.860404][ C0] __kmalloc_node+0x4e/0x70 [ 107.865884][ C0] kvmalloc_node+0x68/0x100 [ 107.870557][ C0] alloc_netdev_mqs+0x98/0xe40 [ 107.875327][ C0] rtnl_create_link+0x22d/0xaf0 [ 107.880572][ C0] __rtnl_newlink+0xf9f/0x1790 [ 107.885336][ C0] rtnl_newlink+0x69/0xa0 [ 107.889659][ C0] rtnetlink_rcv_msg+0x45e/0xaf0 [ 107.894669][ C0] netlink_rcv_skb+0x177/0x450 [ 107.899610][ C0] rtnetlink_rcv+0x1d/0x30 [ 107.904163][ C0] netlink_unicast+0x59e/0x7e0 [ 107.909459][ C0] netlink_sendmsg+0x91c/0xea0 [ 107.914569][ C0] sock_sendmsg+0xd7/0x130 [ 107.920738][ C0] __sys_sendto+0x262/0x380 [ 107.926302][ C0] __x64_sys_sendto+0xe1/0x1a0 [ 107.931187][ C0] do_syscall_64+0xfa/0x790 [ 107.935812][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.941834][ C0] [ 107.944271][ C0] Freed by task 9894: [ 107.948277][ C0] save_stack+0x23/0x90 [ 107.952590][ C0] __kasan_slab_free+0x102/0x150 [ 107.957659][ C0] kasan_slab_free+0xe/0x10 [ 107.962155][ C0] kfree+0x10a/0x2c0 [ 107.966056][ C0] __netdev_name_node_alt_destroy+0x1ff/0x2a0 [ 107.972642][ C0] netdev_name_node_alt_destroy+0x57/0x80 [ 107.978446][ C0] rtnl_linkprop.isra.0+0x575/0x6f0 [ 107.983664][ C0] rtnl_dellinkprop+0x46/0x60 [ 107.988503][ C0] rtnetlink_rcv_msg+0x45e/0xaf0 [ 107.993449][ C0] netlink_rcv_skb+0x177/0x450 [ 107.998494][ C0] rtnetlink_rcv+0x1d/0x30 [ 108.003057][ C0] netlink_unicast+0x59e/0x7e0 [ 108.008168][ C0] netlink_sendmsg+0x91c/0xea0 [ 108.013111][ C0] sock_sendmsg+0xd7/0x130 [ 108.017516][ C0] ____sys_sendmsg+0x753/0x880 [ 108.023517][ C0] ___sys_sendmsg+0x100/0x170 [ 108.028573][ C0] __sys_sendmsg+0x105/0x1d0 [ 108.034345][ C0] __x64_sys_sendmsg+0x78/0xb0 [ 108.041891][ C0] do_syscall_64+0xfa/0x790 [ 108.046572][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.052729][ C0] [ 108.055576][ C0] The buggy address belongs to the object at ffff88808f574000 [ 108.055576][ C0] which belongs to the cache kmalloc-4k of size 4096 [ 108.072036][ C0] The buggy address is located 540 bytes inside of [ 108.072036][ C0] 4096-byte region [ffff88808f574000, ffff88808f575000) [ 108.085857][ C0] The buggy address belongs to the page: [ 108.091597][ C0] page:ffffea00023d5d00 refcount:1 mapcount:0 mapping:ffff8880aa402000 index:0x0 compound_mapcount: 0 [ 108.102848][ C0] flags: 0xfffe0000010200(slab|head) [ 108.108394][ C0] raw: 00fffe0000010200 ffffea00028e5d08 ffffea00029bfb08 ffff8880aa402000 [ 108.117363][ C0] raw: 0000000000000000 ffff88808f574000 0000000100000001 0000000000000000 [ 108.126433][ C0] page dumped because: kasan: bad access detected [ 108.133000][ C0] [ 108.135318][ C0] Memory state around the buggy address: [ 108.141189][ C0] ffff88808f574100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.149270][ C0] ffff88808f574180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.157358][ C0] >ffff88808f574200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.165601][ C0] ^ [ 108.170644][ C0] ffff88808f574280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.179364][ C0] ffff88808f574300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 108.187769][ C0] ================================================================== [ 108.196091][ C0] Disabling lock debugging due to kernel taint [ 108.202359][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 108.209287][ C0] CPU: 0 PID: 3256 Comm: kworker/0:209 Tainted: G B 5.5.0-syzkaller #0 [ 108.219701][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.231139][ C0] Workqueue: events iterate_cleanup_work [ 108.236863][ C0] Call Trace: [ 108.240308][ C0] [ 108.243207][ C0] dump_stack+0x197/0x210 [ 108.247780][ C0] panic+0x2e3/0x75c [ 108.251776][ C0] ? add_taint.cold+0x16/0x16 [ 108.256457][ C0] ? trace_hardirqs_on+0x5e/0x240 [ 108.261481][ C0] ? trace_hardirqs_on+0x5e/0x240 [ 108.266571][ C0] ? l3mdev_master_ifindex_rcu+0x132/0x150 [ 108.272524][ C0] end_report+0x47/0x4f [ 108.276689][ C0] ? l3mdev_master_ifindex_rcu+0x132/0x150 [ 108.282501][ C0] __kasan_report.cold+0xe/0x32 [ 108.288198][ C0] ? l3mdev_master_ifindex_rcu+0x132/0x150 [ 108.294433][ C0] kasan_report+0x12/0x20 [ 108.299126][ C0] __asan_report_load4_noabort+0x14/0x20 [ 108.305085][ C0] l3mdev_master_ifindex_rcu+0x132/0x150 [ 108.310858][ C0] ipv6_dev_get_saddr+0x7b8/0xc50 [ 108.315888][ C0] ? inet6_dump_ifaddr+0x30/0x30 [ 108.320988][ C0] ? mark_held_locks+0xf0/0xf0 [ 108.325939][ C0] ? ip6_dst_lookup_tail+0x170/0x1f20 [ 108.331404][ C0] ? __kasan_check_read+0x11/0x20 [ 108.337567][ C0] ip6_dst_lookup_tail+0x1218/0x1f20 [ 108.342847][ C0] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 108.349464][ C0] ? ip6_append_data+0x330/0x330 [ 108.354903][ C0] ? __kasan_check_read+0x11/0x20 [ 108.360095][ C0] ? __lock_acquire+0x8a0/0x4a00 [ 108.365292][ C0] ? unwind_dump+0x100/0x100 [ 108.370008][ C0] ip6_dst_lookup_flow+0x8c/0x1d0 [ 108.375186][ C0] ? ip6_dst_lookup+0x70/0x70 [ 108.379945][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 108.386121][ C0] ? ip6_dst_lookup+0x70/0x70 [ 108.390882][ C0] geneve_get_v6_dst+0x3e1/0x880 [ 108.395894][ C0] geneve_xmit+0x2b4/0x30f0 [ 108.400502][ C0] ? __kasan_check_read+0x11/0x20 [ 108.405531][ C0] ? geneve_gro_receive+0xa80/0xa80 [ 108.410893][ C0] ? skb_network_protocol+0xf6/0x4a0 [ 108.416415][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.422394][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 108.428629][ C0] ? validate_xmit_xfrm+0x425/0xf40 [ 108.433837][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 108.439997][ C0] dev_hard_start_xmit+0x1a3/0x9b0 [ 108.445383][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.451731][ C0] __dev_queue_xmit+0x2b05/0x35c0 [ 108.456867][ C0] ? __kasan_check_read+0x11/0x20 [ 108.461888][ C0] ? __lock_acquire+0x16f2/0x4a00 [ 108.467158][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 108.472641][ C0] ? __kasan_check_read+0x11/0x20 [ 108.477924][ C0] ? mark_lock+0xc2/0x1220 [ 108.482358][ C0] ? mark_held_locks+0xa4/0xf0 [ 108.487156][ C0] ? ip6_finish_output2+0xc98/0x25c0 [ 108.492506][ C0] ? __ip6_finish_output+0x444/0xaa0 [ 108.499849][ C0] ? ip6_finish_output2+0xc98/0x25c0 [ 108.505134][ C0] dev_queue_xmit+0x18/0x20 [ 108.510056][ C0] ? dev_queue_xmit+0x18/0x20 [ 108.514893][ C0] ip6_finish_output2+0xfbe/0x25c0 [ 108.520019][ C0] ? ip6_frag_next+0xb20/0xb20 [ 108.525503][ C0] ? rcu_read_lock_held+0x9c/0xb0 [ 108.530801][ C0] ? __kasan_check_read+0x11/0x20 [ 108.536232][ C0] __ip6_finish_output+0x444/0xaa0 [ 108.541786][ C0] ? __ip6_finish_output+0x444/0xaa0 [ 108.547336][ C0] ip6_finish_output+0x38/0x1f0 [ 108.552658][ C0] ip6_output+0x25e/0x880 [ 108.557601][ C0] ? ip6_finish_output+0x1f0/0x1f0 [ 108.562704][ C0] ? __local_bh_enable_ip+0x15a/0x270 [ 108.568128][ C0] ? __ip6_finish_output+0xaa0/0xaa0 [ 108.573407][ C0] ? xfrm_lookup+0x38/0x50 [ 108.577933][ C0] mld_sendpack+0x9c2/0xed0 [ 108.582547][ C0] ? nf_hook.constprop.0+0x560/0x560 [ 108.588094][ C0] ? mld_ifc_timer_expire+0x43e/0x950 [ 108.593629][ C0] ? __local_bh_enable_ip+0x15a/0x270 [ 108.599524][ C0] mld_ifc_timer_expire+0x454/0x950 [ 108.605470][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.612467][ C0] call_timer_fn+0x1ac/0x780 [ 108.617192][ C0] ? mld_dad_timer_expire+0x230/0x230 [ 108.622889][ C0] ? msleep_interruptible+0x150/0x150 [ 108.630506][ C0] ? run_timer_softirq+0x6b1/0x1790 [ 108.636552][ C0] ? trace_hardirqs_on+0x67/0x240 [ 108.641652][ C0] ? mld_dad_timer_expire+0x230/0x230 [ 108.649052][ C0] ? mld_dad_timer_expire+0x230/0x230 [ 108.655698][ C0] run_timer_softirq+0x6c3/0x1790 [ 108.661388][ C0] ? add_timer+0x930/0x930 [ 108.665805][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 108.672486][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.678317][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 108.684564][ C0] ? nf_ct_iterate_cleanup+0x1ec/0x4e0 [ 108.690524][ C0] ? trace_hardirqs_on+0x67/0x240 [ 108.695624][ C0] __do_softirq+0x262/0x98c [ 108.700830][ C0] ? nf_ct_iterate_cleanup+0x1ec/0x4e0 [ 108.707846][ C0] do_softirq_own_stack+0x2a/0x40 [ 108.713487][ C0] [ 108.716815][ C0] do_softirq.part.0+0x11a/0x170 [ 108.722081][ C0] __local_bh_enable_ip+0x211/0x270 [ 108.727290][ C0] nf_ct_iterate_cleanup+0x212/0x4e0 [ 108.732713][ C0] ? nf_ct_alloc_hashtable+0x150/0x150 [ 108.738602][ C0] nf_ct_iterate_cleanup_net+0x133/0x190 [ 108.744222][ C0] ? nf_nat_masquerade_inet_unregister_notifiers+0x80/0x80 [ 108.752767][ C0] ? nf_ct_iterate_cleanup+0x4e0/0x4e0 [ 108.758255][ C0] ? nf_nat_masquerade_inet_unregister_notifiers+0x80/0x80 [ 108.765976][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.771698][ C0] iterate_cleanup_work+0x4c/0x12f [ 108.778076][ C0] process_one_work+0xa05/0x17a0 [ 108.783182][ C0] ? mark_held_locks+0xf0/0xf0 [ 108.788084][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 108.793614][ C0] ? lock_acquire+0x190/0x410 [ 108.798400][ C0] worker_thread+0x98/0xe40 [ 108.802910][ C0] kthread+0x361/0x430 [ 108.807941][ C0] ? process_one_work+0x17a0/0x17a0 [ 108.815779][ C0] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 108.822125][ C0] ret_from_fork+0x24/0x30 [ 108.827380][ C0] Kernel Offset: disabled [ 108.832150][ C0] Rebooting in 86400 seconds..