[....] 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[ 16.915871] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.391605] random: sshd: uninitialized urandom read (32 bytes read) [ 19.610530] random: sshd: uninitialized urandom read (32 bytes read) [ 20.054801] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.11' (ECDSA) to the list of known hosts. [ 25.725716] urandom_read: 1 callbacks suppressed [ 25.725723] random: sshd: uninitialized urandom read (32 bytes read) net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 25.816403] IPVS: ftp: loaded support on port[0] = 21 [ 25.970856] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.977234] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.984305] device bridge_slave_0 entered promiscuous mode [ 25.997624] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.003972] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.010930] device bridge_slave_1 entered promiscuous mode [ 26.023819] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 26.037379] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 26.070734] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 26.085842] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 26.134272] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 26.141587] team0: Port device team_slave_0 added [ 26.153819] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 26.160815] team0: Port device team_slave_1 added [ 26.173117] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 26.188291] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 26.203799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 26.218786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 26.310883] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.318145] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.324839] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.331201] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 26.644665] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 26.650782] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.684176] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 26.718100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 26.725754] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 26.755829] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 26.762032] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 26.928187] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 26.959136] tpacket_rcv: packet too big, clamped from 96 to 4294967264. macoff=96 [ 26.959147] ================================================================== [ 26.974156] BUG: KASAN: slab-out-of-bounds in eth_header_parse+0x88/0xb0 [ 26.981062] Write of size 6 at addr ffff8801ce67fffc by task kworker/1:0/19 [ 26.988172] [ 26.989802] CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 4.18.0-rc8+ #178 [ 26.996720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.006101] Workqueue: ipv6_addrconf addrconf_dad_work [ 27.011384] Call Trace: [ 27.013981] dump_stack+0x1c9/0x2b4 [ 27.017614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 27.022806] ? printk+0xa7/0xcf [ 27.026099] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 27.030865] ? eth_header_parse+0x88/0xb0 [ 27.035192] print_address_description+0x6c/0x20b [ 27.040211] ? eth_header_parse+0x88/0xb0 [ 27.044487] kasan_report.cold.7+0x242/0x2fe [ 27.048897] check_memory_region+0x13e/0x1b0 [ 27.053306] memcpy+0x37/0x50 [ 27.056415] eth_header_parse+0x88/0xb0 [ 27.060391] tpacket_rcv+0xcf7/0x3210 [ 27.064228] ? eth_validate_addr+0x100/0x100 [ 27.068649] ? packet_rcv+0x1820/0x1820 [ 27.072633] ? kvm_clock_read+0x25/0x30 [ 27.076608] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 27.081627] ? ktime_get_with_offset+0x32e/0x4b0 [ 27.086386] ? ktime_get+0x440/0x440 [ 27.090110] ? packet_rcv+0x1820/0x1820 [ 27.094092] dev_queue_xmit_nit+0x899/0xb20 [ 27.098424] ? default_device_exit+0x2c0/0x2c0 [ 27.103012] ? debug_object_active_state+0x2f5/0x4d0 [ 27.108127] ? kasan_check_read+0x11/0x20 [ 27.112276] ? rcu_is_watching+0x8c/0x150 [ 27.116424] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 27.121398] dev_hard_start_xmit+0x173/0xc30 [ 27.125822] ? dev_direct_xmit+0x6b0/0x6b0 [ 27.130075] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 27.135615] ? netif_skb_features+0x690/0xb70 [ 27.140119] ? validate_xmit_xfrm+0x1ef/0xd70 [ 27.144617] ? lock_acquire+0x1e4/0x540 [ 27.148600] ? validate_xmit_skb+0x80c/0xf30 [ 27.153042] ? lock_release+0xa30/0xa30 [ 27.157029] ? trace_hardirqs_on+0x10/0x10 [ 27.161278] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 27.165868] ? netif_skb_features+0xb70/0xb70 [ 27.170370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.175912] ? netdev_pick_tx+0x1ba/0x2d0 [ 27.180061] __dev_queue_xmit+0x2977/0x3790 [ 27.184398] ? ret_from_fork+0x3a/0x50 [ 27.188294] ? netdev_pick_tx+0x2d0/0x2d0 [ 27.192445] ? ip6_finish_output2+0xa5d/0x2820 [ 27.197025] ? ip6_finish_output+0x550/0xbc0 [ 27.201436] ? ip6_output+0x234/0x9d0 [ 27.205238] ? ndisc_send_skb+0x100d/0x1570 [ 27.209561] ? ndisc_send_ns+0x3c1/0x8d0 [ 27.213624] ? addrconf_dad_work+0xbf2/0x1310 [ 27.218121] ? process_one_work+0xc73/0x1ba0 [ 27.222532] ? worker_thread+0x189/0x13c0 [ 27.226675] ? kthread+0x345/0x410 [ 27.230591] ? trace_hardirqs_on+0x10/0x10 [ 27.234813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.240333] ? refcount_sub_and_test+0x21a/0x350 [ 27.245081] ? refcount_inc_not_zero+0x2f0/0x2f0 [ 27.249826] ? lock_acquire+0x1e4/0x540 [ 27.253858] ? __neigh_create+0x1468/0x2080 [ 27.258183] ? lock_downgrade+0x8f0/0x8f0 [ 27.262335] ? lock_release+0xa30/0xa30 [ 27.266317] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 27.271857] ? ndisc_constructor+0x75a/0xc40 [ 27.276268] ? do_raw_write_trylock+0x1c0/0x1c0 [ 27.280939] ? __neigh_create+0x1468/0x2080 [ 27.285266] ? trace_hardirqs_on+0xd/0x10 [ 27.289412] ? __local_bh_enable_ip+0x161/0x230 [ 27.294093] ? _raw_write_unlock_bh+0x30/0x40 [ 27.298589] ? memcpy+0x45/0x50 [ 27.301874] ? icmpv6_error+0x43a/0x9da [ 27.305858] ? ip6_finish_output2+0xc95/0x2820 [ 27.310440] ? lock_downgrade+0x8f0/0x8f0 [ 27.314594] ? lock_release+0xa30/0xa30 [ 27.318568] ? do_raw_write_trylock+0x1c0/0x1c0 [ 27.323235] ? memcpy+0x45/0x50 [ 27.326516] dev_queue_xmit+0x17/0x20 [ 27.330319] ? dev_queue_xmit+0x17/0x20 [ 27.334296] neigh_resolve_output+0x681/0xaf0 [ 27.338797] ? __neigh_event_send+0x1260/0x1260 [ 27.343471] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 27.348664] ip6_finish_output2+0xc95/0x2820 [ 27.353086] ? ndisc_send_ns+0x3c1/0x8d0 [ 27.357163] ? ip6_flush_pending_frames+0xc0/0xc0 [ 27.362014] ? lock_acquire+0x1e4/0x540 [ 27.365994] ? ip6_mtu+0x39e/0x520 [ 27.369539] ? lock_downgrade+0x8f0/0x8f0 [ 27.373694] ? lock_release+0xa30/0xa30 [ 27.377673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 27.383219] ? ipv6_confirm+0x46e/0x650 [ 27.388847] ? ipv6_helper+0x3ab/0x540 [ 27.392748] ? ip6_mtu+0x160/0x520 [ 27.396296] ? lock_release+0xa30/0xa30 [ 27.400279] ip6_finish_output+0x5fe/0xbc0 [ 27.404516] ? ip6_finish_output+0x5fe/0xbc0 [ 27.408928] ip6_output+0x234/0x9d0 [ 27.412555] ? ip6_finish_output+0xbc0/0xbc0 [ 27.416967] ? ip6_fragment+0x3930/0x3930 [ 27.421120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.426664] ndisc_send_skb+0x100d/0x1570 [ 27.430822] ? ndisc_constructor+0xc40/0xc40 [ 27.435234] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 27.439817] ? set_next_entity+0x2eb/0xc70 [ 27.444062] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 27.449100] ndisc_send_ns+0x3c1/0x8d0 [ 27.452994] ? lock_downgrade+0x8f0/0x8f0 [ 27.457151] ? ndisc_netdev_event+0x580/0x580 [ 27.461667] ? kasan_check_read+0x11/0x20 [ 27.465818] ? do_raw_spin_unlock+0xa7/0x2f0 [ 27.470227] ? do_raw_write_trylock+0x1c0/0x1c0 [ 27.474899] ? addrconf_dad_work+0xab8/0x1310 [ 27.479395] ? trace_hardirqs_on+0xd/0x10 [ 27.483549] addrconf_dad_work+0xbf2/0x1310 [ 27.487893] ? addrconf_ifdown+0x1670/0x1670 [ 27.492307] ? kasan_check_read+0x11/0x20 [ 27.496457] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 27.501044] ? read_word_at_a_time+0x20/0x20 [ 27.505468] ? compat_start_thread+0x80/0x80 [ 27.509879] ? dequeue_entity+0x15e0/0x15e0 [ 27.514205] process_one_work+0xc73/0x1ba0 [ 27.518447] ? trace_hardirqs_on+0x10/0x10 [ 27.522696] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 27.527363] ? lock_repin_lock+0x430/0x430 [ 27.531609] ? __sched_text_start+0x8/0x8 [ 27.535760] ? graph_lock+0x170/0x170 [ 27.539568] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.544325] ? retint_kernel+0x10/0x10 [ 27.548219] ? do_raw_spin_unlock+0xa7/0x2f0 [ 27.552630] ? lock_acquire+0x1e4/0x540 [ 27.556642] ? worker_thread+0x3dc/0x13c0 [ 27.560792] ? lock_downgrade+0x8f0/0x8f0 [ 27.564943] ? lock_release+0xa30/0xa30 [ 27.568924] ? kasan_check_read+0x11/0x20 [ 27.573082] ? do_raw_spin_unlock+0xa7/0x2f0 [ 27.577492] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 27.582084] ? kasan_check_write+0x14/0x20 [ 27.586319] ? do_raw_spin_lock+0xc1/0x200 [ 27.590556] worker_thread+0x189/0x13c0 [ 27.594539] ? process_one_work+0x1ba0/0x1ba0 [ 27.599038] ? graph_lock+0x170/0x170 [ 27.602852] ? graph_lock+0x170/0x170 [ 27.606653] ? find_held_lock+0x36/0x1c0 [ 27.610722] ? find_held_lock+0x36/0x1c0 [ 27.614789] ? lock_downgrade+0x8f0/0x8f0 [ 27.618945] ? kasan_check_read+0x11/0x20 [ 27.623102] ? do_raw_spin_unlock+0xa7/0x2f0 [ 27.627517] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 27.632618] ? __kthread_parkme+0x58/0x1b0 [ 27.636857] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.641878] ? trace_hardirqs_on+0xd/0x10 [ 27.646027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 27.651565] ? __kthread_parkme+0x106/0x1b0 [ 27.655888] kthread+0x345/0x410 [ 27.659260] ? process_one_work+0x1ba0/0x1ba0 [ 27.663753] ? kthread_bind+0x40/0x40 [ 27.667553] ret_from_fork+0x3a/0x50 [ 27.671265] [ 27.672887] The buggy address belongs to the page: [ 27.677813] page:ffffea0007399c00 count:1 mapcount:0 mapping:0000000000000000 index:0x0 compound_mapcount: 0 [ 27.687781] flags: 0x2fffc0000008000(head) [ 27.692021] raw: 02fffc0000008000 dead000000000100 dead000000000200 0000000000000000 [ 27.699904] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 27.707772] page dumped because: kasan: bad access detected [ 27.713470] [ 27.715096] Memory state around the buggy address: [ 27.720021] ffff8801ce67ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.727378] ffff8801ce67ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.734735] >ffff8801ce680000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.742092] ^ [ 27.745453] ffff8801ce680080: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 27.752823] ffff8801ce680100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.760172] ================================================================== [ 27.767554] Kernel panic - not syncing: panic_on_warn set ... [ 27.767554] [ 27.774921] CPU: 1 PID: 19 Comm: kworker/1:0 Tainted: G B 4.18.0-rc8+ #178 [ 27.783231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.792602] Workqueue: ipv6_addrconf addrconf_dad_work [ 27.797879] Call Trace: [ 27.800476] dump_stack+0x1c9/0x2b4 [ 27.804116] ? dump_stack_print_info.cold.2+0x52/0x52 [ 27.809314] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 27.814087] panic+0x238/0x4e7 [ 27.817287] ? add_taint.cold.5+0x16/0x16 [ 27.821439] ? do_raw_spin_unlock+0xa7/0x2f0 [ 27.825850] ? eth_header_parse+0x88/0xb0 [ 27.830002] kasan_end_report+0x47/0x4f [ 27.833981] kasan_report.cold.7+0x76/0x2fe [ 27.838309] check_memory_region+0x13e/0x1b0 [ 27.842720] memcpy+0x37/0x50 [ 27.845827] eth_header_parse+0x88/0xb0 [ 27.849802] tpacket_rcv+0xcf7/0x3210 [ 27.853609] ? eth_validate_addr+0x100/0x100 [ 27.858023] ? packet_rcv+0x1820/0x1820 [ 27.862009] ? kvm_clock_read+0x25/0x30 [ 27.865987] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 27.871014] ? ktime_get_with_offset+0x32e/0x4b0 [ 27.875778] ? ktime_get+0x440/0x440 [ 27.879500] ? packet_rcv+0x1820/0x1820 [ 27.883478] dev_queue_xmit_nit+0x899/0xb20 [ 27.887808] ? default_device_exit+0x2c0/0x2c0 [ 27.892391] ? debug_object_active_state+0x2f5/0x4d0 [ 27.897502] ? kasan_check_read+0x11/0x20 [ 27.901654] ? rcu_is_watching+0x8c/0x150 [ 27.905804] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 27.910218] dev_hard_start_xmit+0x173/0xc30 [ 27.914637] ? dev_direct_xmit+0x6b0/0x6b0 [ 27.918876] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 27.924415] ? netif_skb_features+0x690/0xb70 [ 27.928921] ? validate_xmit_xfrm+0x1ef/0xd70 [ 27.933422] ? lock_acquire+0x1e4/0x540 [ 27.937400] ? validate_xmit_skb+0x80c/0xf30 [ 27.941807] ? lock_release+0xa30/0xa30 [ 27.945781] ? trace_hardirqs_on+0x10/0x10 [ 27.950014] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 27.954598] ? netif_skb_features+0xb70/0xb70 [ 27.959105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.964646] ? netdev_pick_tx+0x1ba/0x2d0 [ 27.968796] __dev_queue_xmit+0x2977/0x3790 [ 27.973118] ? ret_from_fork+0x3a/0x50 [ 27.977011] ? netdev_pick_tx+0x2d0/0x2d0 [ 27.981160] ? ip6_finish_output2+0xa5d/0x2820 [ 27.985740] ? ip6_finish_output+0x550/0xbc0 [ 27.990149] ? ip6_output+0x234/0x9d0 [ 27.993949] ? ndisc_send_skb+0x100d/0x1570 [ 27.998271] ? ndisc_send_ns+0x3c1/0x8d0 [ 28.002332] ? addrconf_dad_work+0xbf2/0x1310 [ 28.006825] ? process_one_work+0xc73/0x1ba0 [ 28.011231] ? worker_thread+0x189/0x13c0 [ 28.015374] ? kthread+0x345/0x410 [ 28.018924] ? trace_hardirqs_on+0x10/0x10 [ 28.023169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 28.028716] ? refcount_sub_and_test+0x21a/0x350 [ 28.033476] ? refcount_inc_not_zero+0x2f0/0x2f0 [ 28.038240] ? lock_acquire+0x1e4/0x540 [ 28.042215] ? __neigh_create+0x1468/0x2080 [ 28.046540] ? lock_downgrade+0x8f0/0x8f0 [ 28.050688] ? lock_release+0xa30/0xa30 [ 28.054670] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 28.060213] ? ndisc_constructor+0x75a/0xc40 [ 28.064626] ? do_raw_write_trylock+0x1c0/0x1c0 [ 28.069297] ? __neigh_create+0x1468/0x2080 [ 28.073620] ? trace_hardirqs_on+0xd/0x10 [ 28.077771] ? __local_bh_enable_ip+0x161/0x230 [ 28.082446] ? _raw_write_unlock_bh+0x30/0x40 [ 28.086945] ? memcpy+0x45/0x50 [ 28.090228] ? icmpv6_error+0x43a/0x9da [ 28.094208] ? ip6_finish_output2+0xc95/0x2820 [ 28.098788] ? lock_downgrade+0x8f0/0x8f0 [ 28.102917] ? lock_release+0xa30/0xa30 [ 28.106873] ? do_raw_write_trylock+0x1c0/0x1c0 [ 28.111521] ? memcpy+0x45/0x50 [ 28.114782] dev_queue_xmit+0x17/0x20 [ 28.118581] ? dev_queue_xmit+0x17/0x20 [ 28.122564] neigh_resolve_output+0x681/0xaf0 [ 28.127085] ? __neigh_event_send+0x1260/0x1260 [ 28.131771] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 28.136967] ip6_finish_output2+0xc95/0x2820 [ 28.141378] ? ndisc_send_ns+0x3c1/0x8d0 [ 28.145442] ? ip6_flush_pending_frames+0xc0/0xc0 [ 28.150291] ? lock_acquire+0x1e4/0x540 [ 28.154263] ? ip6_mtu+0x39e/0x520 [ 28.157807] ? lock_downgrade+0x8f0/0x8f0 [ 28.161960] ? lock_release+0xa30/0xa30 [ 28.165935] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 28.171474] ? ipv6_confirm+0x46e/0x650 [ 28.175445] ? ipv6_helper+0x3ab/0x540 [ 28.179337] ? ip6_mtu+0x160/0x520 [ 28.182880] ? lock_release+0xa30/0xa30 [ 28.186859] ip6_finish_output+0x5fe/0xbc0 [ 28.191103] ? ip6_finish_output+0x5fe/0xbc0 [ 28.195515] ip6_output+0x234/0x9d0 [ 28.199144] ? ip6_finish_output+0xbc0/0xbc0 [ 28.203556] ? ip6_fragment+0x3930/0x3930 [ 28.207710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 28.213262] ndisc_send_skb+0x100d/0x1570 [ 28.217416] ? ndisc_constructor+0xc40/0xc40 [ 28.222117] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 28.226685] ? set_next_entity+0x2eb/0xc70 [ 28.230906] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 28.235907] ndisc_send_ns+0x3c1/0x8d0 [ 28.239777] ? lock_downgrade+0x8f0/0x8f0 [ 28.243910] ? ndisc_netdev_event+0x580/0x580 [ 28.248386] ? kasan_check_read+0x11/0x20 [ 28.252517] ? do_raw_spin_unlock+0xa7/0x2f0 [ 28.256905] ? do_raw_write_trylock+0x1c0/0x1c0 [ 28.261560] ? addrconf_dad_work+0xab8/0x1310 [ 28.266035] ? trace_hardirqs_on+0xd/0x10 [ 28.270164] addrconf_dad_work+0xbf2/0x1310 [ 28.274468] ? addrconf_ifdown+0x1670/0x1670 [ 28.278860] ? kasan_check_read+0x11/0x20 [ 28.283134] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 28.287725] ? read_word_at_a_time+0x20/0x20 [ 28.292139] ? compat_start_thread+0x80/0x80 [ 28.296549] ? dequeue_entity+0x15e0/0x15e0 [ 28.300875] process_one_work+0xc73/0x1ba0 [ 28.305111] ? trace_hardirqs_on+0x10/0x10 [ 28.309353] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 28.314031] ? lock_repin_lock+0x430/0x430 [ 28.318303] ? __sched_text_start+0x8/0x8 [ 28.322455] ? graph_lock+0x170/0x170 [ 28.326265] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.331023] ? retint_kernel+0x10/0x10 [ 28.334921] ? do_raw_spin_unlock+0xa7/0x2f0 [ 28.339334] ? lock_acquire+0x1e4/0x540 [ 28.343311] ? worker_thread+0x3dc/0x13c0 [ 28.347460] ? lock_downgrade+0x8f0/0x8f0 [ 28.351619] ? lock_release+0xa30/0xa30 [ 28.355607] ? kasan_check_read+0x11/0x20 [ 28.359761] ? do_raw_spin_unlock+0xa7/0x2f0 [ 28.364174] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 28.368759] ? kasan_check_write+0x14/0x20 [ 28.372992] ? do_raw_spin_lock+0xc1/0x200 [ 28.377234] worker_thread+0x189/0x13c0 [ 28.381224] ? process_one_work+0x1ba0/0x1ba0 [ 28.385735] ? graph_lock+0x170/0x170 [ 28.389552] ? graph_lock+0x170/0x170 [ 28.393368] ? find_held_lock+0x36/0x1c0 [ 28.397450] ? find_held_lock+0x36/0x1c0 [ 28.401535] ? lock_downgrade+0x8f0/0x8f0 [ 28.405724] ? kasan_check_read+0x11/0x20 [ 28.409889] ? do_raw_spin_unlock+0xa7/0x2f0 [ 28.414314] ? _raw_spin_unlock_irqrestore+0x74/0xc0 [ 28.419447] ? __kthread_parkme+0x58/0x1b0 [ 28.423705] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.428756] ? trace_hardirqs_on+0xd/0x10 [ 28.432916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 28.438460] ? __kthread_parkme+0x106/0x1b0 [ 28.442794] kthread+0x345/0x410 [ 28.446165] ? process_one_work+0x1ba0/0x1ba0 [ 28.450660] ? kthread_bind+0x40/0x40 [ 28.454465] ret_from_fork+0x3a/0x50 [ 28.458462] Dumping ftrace buffer: [ 28.461990] (ftrace buffer empty) [ 28.465678] Kernel Offset: disabled [ 28.469290] Rebooting in 86400 seconds..