Warning: Permanently added '10.128.0.100' (ECDSA) to the list of known hosts. syzkaller login: [ 62.332664][ T8761] IPVS: ftp: loaded support on port[0] = 21 [ 62.397488][ T8761] chnl_net:caif_netlink_parms(): no params data found [ 62.427057][ T8761] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.435011][ T8761] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.443519][ T8761] device bridge_slave_0 entered promiscuous mode [ 62.451851][ T8761] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.460305][ T8761] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.468020][ T8761] device bridge_slave_1 entered promiscuous mode [ 62.487148][ T8761] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.497979][ T8761] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.516748][ T8761] team0: Port device team_slave_0 added [ 62.524246][ T8761] team0: Port device team_slave_1 added [ 62.572242][ T8761] device hsr_slave_0 entered promiscuous mode [ 62.629762][ T8761] device hsr_slave_1 entered promiscuous mode [ 62.687748][ T8761] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.694959][ T8761] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.703063][ T8761] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.710175][ T8761] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.745601][ T8761] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.760016][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.771016][ T3025] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.779568][ T3025] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.787826][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 62.802413][ T8761] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.813006][ T2521] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.822070][ T2521] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.829162][ T2521] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.841478][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.850264][ T3025] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.857319][ T3025] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.872896][ T2521] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.882363][ T2521] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.893253][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.907183][ T8761] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.918380][ T8761] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.931192][ T2521] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.940374][ T2521] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.948808][ T2521] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 62.965407][ T8761] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 204.839313][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [kworker/0:2:3025] [ 204.847686][ C0] Modules linked in: [ 204.851568][ C0] irq event stamp: 38543 [ 204.855805][ C0] hardirqs last enabled at (38542): [] trace_hardirqs_on_thunk+0x1a/0x20 [ 204.866464][ C0] hardirqs last disabled at (38543): [] trace_hardirqs_off_thunk+0x1a/0x20 [ 204.876602][ C0] softirqs last enabled at (10172): [] rt6_uncached_list_add+0x147/0x1a0 [ 204.886642][ C0] softirqs last disabled at (10174): [] ip6_finish_output2+0x214/0x2520 [ 204.897394][ C0] CPU: 0 PID: 3025 Comm: kworker/0:2 Not tainted 5.3.0-rc7+ #0 [ 204.904921][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 204.914992][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 204.920971][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 204.927032][ C0] Code: 89 25 d4 7c 39 09 41 bc f4 ff ff ff e8 6d 9f e9 ff 48 c7 05 be 7c 39 09 00 00 00 00 e9 77 e9 ff ff 90 90 90 90 90 90 90 90 90 <55> 48 89 e5 65 48 8b 04 25 40 fe 01 00 65 8b 15 a4 88 8f 7e 81 e2 [ 204.946790][ C0] RSP: 0018:ffff88809fa66d50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 204.955290][ C0] RAX: 0000000000000000 RBX: ffff8880a14f47b8 RCX: ffffffff85c7dbb9 [ 204.964212][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 204.972282][ C0] RBP: ffff88809fa66da8 R08: ffff88809fa44280 R09: fffffbfff14e9555 [ 204.980439][ C0] R10: ffff88809fa44c78 R11: ffff88809fa44280 R12: dffffc0000000000 [ 204.988488][ C0] R13: ffff8880a14f44c0 R14: ffff8880a14f4850 R15: 0000000000000000 [ 204.997489][ C0] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 205.006505][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 205.013084][ C0] CR2: 000055aefde29110 CR3: 000000008fb64000 CR4: 00000000001406f0 [ 205.021062][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 205.029025][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 205.036983][ C0] Call Trace: [ 205.040260][ C0] ? hhf_dequeue+0x537/0xa20 [ 205.044839][ C0] __qdisc_run+0x1e7/0x19d0 [ 205.049327][ C0] ? dev_queue_xmit+0x18/0x20 [ 205.053993][ C0] __dev_queue_xmit+0x16f1/0x3650 [ 205.059000][ C0] ? __local_bh_enable_ip+0x15a/0x270 [ 205.064534][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 205.069835][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 205.076070][ C0] ? br_nf_post_routing+0xd73/0x1d30 [ 205.081356][ C0] ? br_forward_finish+0x235/0x400 [ 205.086454][ C0] ? find_held_lock+0x35/0x130 [ 205.091562][ C0] ? br_forward_finish+0x235/0x400 [ 205.096660][ C0] dev_queue_xmit+0x18/0x20 [ 205.101595][ C0] ? dev_queue_xmit+0x18/0x20 [ 205.106257][ C0] br_dev_queue_push_xmit+0x3f3/0x5c0 [ 205.111626][ C0] ? __kasan_check_read+0x11/0x20 [ 205.120283][ C0] br_forward_finish+0xfa/0x400 [ 205.125140][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 205.130688][ C0] ? br_fdb_add.cold+0x8c/0x8c [ 205.135540][ C0] ? __kasan_check_read+0x11/0x20 [ 205.140560][ C0] __br_forward+0x641/0xb00 [ 205.145051][ C0] ? br_forward_finish+0x400/0x400 [ 205.150159][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 205.155692][ C0] deliver_clone+0x61/0xc0 [ 205.160192][ C0] maybe_deliver+0x2c7/0x390 [ 205.164768][ C0] br_flood+0x13a/0x3d0 [ 205.168915][ C0] br_dev_xmit+0x98c/0x15a0 [ 205.173409][ C0] ? br_poll_controller+0x10/0x10 [ 205.178960][ C0] ? netif_skb_features+0x6c2/0xb90 [ 205.184152][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.190465][ C0] dev_hard_start_xmit+0x1a3/0x9c0 [ 205.195565][ C0] __dev_queue_xmit+0x2b15/0x3650 [ 205.200574][ C0] ? __kasan_check_read+0x11/0x20 [ 205.205581][ C0] ? __lock_acquire+0x1702/0x4c30 [ 205.210598][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 205.216647][ C0] ? ip6_finish_output2+0x1034/0x2520 [ 205.222001][ C0] ? __kasan_check_read+0x11/0x20 [ 205.228071][ C0] ? mark_lock+0xc0/0x11e0 [ 205.232486][ C0] ? mark_held_locks+0xa4/0xf0 [ 205.237327][ C0] dev_queue_xmit+0x18/0x20 [ 205.241814][ C0] ? dev_queue_xmit+0x18/0x20 [ 205.246475][ C0] neigh_resolve_output+0x5a5/0x970 [ 205.251663][ C0] ip6_finish_output2+0x1034/0x2520 [ 205.256842][ C0] ? ip6_mtu+0x2e6/0x460 [ 205.261072][ C0] ? ip6_forward_finish+0x530/0x530 [ 205.266348][ C0] ? lock_downgrade+0x920/0x920 [ 205.271182][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.277599][ C0] ? __kasan_check_read+0x11/0x20 [ 205.282873][ C0] __ip6_finish_output+0x444/0xa50 [ 205.287968][ C0] ? __ip6_finish_output+0x444/0xa50 [ 205.293238][ C0] ip6_finish_output+0x38/0x1f0 [ 205.298077][ C0] ip6_output+0x235/0x7c0 [ 205.302391][ C0] ? ip6_finish_output+0x1f0/0x1f0 [ 205.307498][ C0] ? __ip6_finish_output+0xa50/0xa50 [ 205.312788][ C0] ndisc_send_skb+0xf29/0x1450 [ 205.317538][ C0] ? nf_hook.constprop.0+0x560/0x560 [ 205.322910][ C0] ? skb_set_owner_w+0x21b/0x320 [ 205.328356][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 205.334060][ C0] ndisc_send_ns+0x3a9/0x850 [ 205.338640][ C0] ? mark_held_locks+0xa4/0xf0 [ 205.343400][ C0] ? ndisc_netdev_event+0x4e0/0x4e0 [ 205.348602][ C0] ? lockdep_hardirqs_on+0x418/0x5d0 [ 205.353868][ C0] ? addrconf_dad_work+0xac4/0x1150 [ 205.359048][ C0] ? trace_hardirqs_on+0x67/0x240 [ 205.364054][ C0] ? addrconf_dad_work+0xac4/0x1150 [ 205.369238][ C0] addrconf_dad_work+0xb88/0x1150 [ 205.374422][ C0] ? addrconf_dad_completed+0xbb0/0xbb0 [ 205.379963][ C0] process_one_work+0x9af/0x1740 [ 205.384890][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 205.390239][ C0] ? lock_acquire+0x190/0x410 [ 205.394919][ C0] worker_thread+0x98/0xe40 [ 205.399584][ C0] ? trace_hardirqs_on+0x67/0x240 [ 205.405378][ C0] kthread+0x361/0x430 [ 205.409516][ C0] ? process_one_work+0x1740/0x1740 [ 205.414696][ C0] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 205.420919][ C0] ret_from_fork+0x24/0x30 [ 205.425353][ C0] Sending NMI from CPU 0 to CPUs 1: [ 205.431994][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.301 msecs [ 205.432572][ C0] NMI backtrace for cpu 1 [ 205.432577][ C0] CPU: 1 PID: 2521 Comm: kworker/1:2 Not tainted 5.3.0-rc7+ #0 [ 205.432584][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 205.432588][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 205.432596][ C0] RIP: 0010:native_queued_spin_lock_slowpath+0x132/0x9f0 [ 205.432607][ C0] Code: 00 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 0f 85 37 07 00 00 48 81 c4 98 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 f3 90 73 ff ff ff 8b 45 98 4c 8d 65 d8 3d 00 01 00 00 0f 84 e5 00 00 [ 205.432611][ C0] RSP: 0018:ffff8880ae908a60 EFLAGS: 00000202 [ 205.432619][ C0] RAX: 0000000000000000 RBX: ffff8880a14f45a8 RCX: ffffffff81595c37 [ 205.432624][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a14f45a8 [ 205.432629][ C0] RBP: ffff8880ae908b20 R08: 1ffff1101429e8b5 R09: ffffed101429e8b6 [ 205.432634][ C0] R10: ffffed101429e8b5 R11: ffff8880a14f45ab R12: 0000000000000001 [ 205.432639][ C0] R13: 0000000000000003 R14: ffffed101429e8b5 R15: 0000000000000001 [ 205.432644][ C0] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 205.432651][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 205.432657][ C0] CR2: 00000000004c79a8 CR3: 00000000977e8000 CR4: 00000000001406e0 [ 205.432662][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 205.432667][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 205.432669][ C0] Call Trace: [ 205.432672][ C0] [ 205.432676][ C0] ? __pv_queued_spin_lock_slowpath+0xd10/0xd10 [ 205.432680][ C0] ? mark_held_locks+0xf0/0xf0 [ 205.432684][ C0] ? mark_held_locks+0xf0/0xf0 [ 205.432687][ C0] do_raw_spin_lock+0x20e/0x2e0 [ 205.432691][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 205.432694][ C0] ? lock_acquire+0x190/0x410 [ 205.432698][ C0] ? __dev_queue_xmit+0x14b8/0x3650 [ 205.432702][ C0] _raw_spin_lock+0x37/0x40 [ 205.432705][ C0] ? __dev_queue_xmit+0x14b8/0x3650 [ 205.432709][ C0] __dev_queue_xmit+0x14b8/0x3650 [ 205.432713][ C0] ? process_backlog+0x206/0x750 [ 205.432716][ C0] ? net_rx_action+0x4d6/0x1080 [ 205.432720][ C0] ? __do_softirq+0x262/0x98c [ 205.432724][ C0] ? irq_exit+0x19b/0x1e0 [ 205.432728][ C0] ? smp_apic_timer_interrupt+0x1a3/0x610 [ 205.432731][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 205.432735][ C0] ? __skb_ext_put+0xd9/0x210 [ 205.432739][ C0] dev_queue_xmit+0x18/0x20 [ 205.432742][ C0] ? dev_queue_xmit+0x18/0x20 [ 205.432746][ C0] br_dev_queue_push_xmit+0x3f3/0x5c0 [ 205.432749][ C0] ? __skb_ext_del+0xb0/0x2c0 [ 205.432753][ C0] ? lock_downgrade+0x920/0x920 [ 205.432757][ C0] br_nf_dev_queue_xmit+0x34e/0x1470 [ 205.432761][ C0] br_nf_post_routing+0x1502/0x1d30 [ 205.432765][ C0] ? br_nf_dev_queue_xmit+0x1470/0x1470 [ 205.432768][ C0] ? mark_held_locks+0xf0/0xf0 [ 205.432772][ C0] ? nf_bridge_update_protocol+0x1d0/0x1d0 [ 205.432776][ C0] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 205.432780][ C0] nf_hook_slow+0xbc/0x1e0 [ 205.432783][ C0] br_forward_finish+0x215/0x400 [ 205.432787][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 205.432791][ C0] ? br_fdb_add.cold+0x8c/0x8c [ 205.432795][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 205.432798][ C0] ? nf_hook_slow+0xf0/0x1e0 [ 205.432802][ C0] br_nf_hook_thresh+0x2e9/0x370 [ 205.432806][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 205.432810][ C0] ? setup_pre_routing+0x4b0/0x4b0 [ 205.432814][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 205.432818][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.432822][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 205.432826][ C0] br_nf_forward_finish+0x66c/0xa90 [ 205.432830][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 205.432834][ C0] br_nf_forward_ip+0xc74/0x21e0 [ 205.432838][ C0] ? br_nf_forward_arp+0x1670/0x1670 [ 205.432841][ C0] ? mark_held_locks+0xf0/0xf0 [ 205.432845][ C0] ? br_nf_hook_thresh+0x370/0x370 [ 205.432849][ C0] ? __vlan_flush+0x120/0x120 [ 205.432852][ C0] nf_hook_slow+0xbc/0x1e0 [ 205.432857][ C0] __br_forward+0x393/0xb00 [ 205.432860][ C0] ? br_forward_finish+0x400/0x400 [ 205.432864][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 205.432868][ C0] deliver_clone+0x61/0xc0 [ 205.432871][ C0] br_flood+0x325/0x3d0 [ 205.432875][ C0] br_handle_frame_finish+0xb46/0x1670 [ 205.432879][ C0] ? br_handle_local_finish+0x20/0x20 [ 205.432883][ C0] ? audit_alloc_mark+0x3d0/0x500 [ 205.432887][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 205.432890][ C0] ? nf_hook_slow+0xf0/0x1e0 [ 205.432894][ C0] br_nf_hook_thresh+0x2e9/0x370 [ 205.432898][ C0] ? br_handle_local_finish+0x20/0x20 [ 205.432902][ C0] ? setup_pre_routing+0x4b0/0x4b0 [ 205.432905][ C0] ? find_held_lock+0x35/0x130 [ 205.432909][ C0] ? br_handle_local_finish+0x20/0x20 [ 205.432913][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 205.432917][ C0] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 205.432921][ C0] br_nf_pre_routing_finish_ipv6+0x6fb/0xd80 [ 205.432929][ C0] ? br_handle_local_finish+0x20/0x20 [ 205.432933][ C0] ? __kasan_check_read+0x11/0x20 [ 205.432937][ C0] br_nf_pre_routing_ipv6+0x456/0x832 [ 205.432940][ C0] ? br_validate_ipv6+0xb80/0xb80 [ 205.432945][ C0] ? br_nf_pre_routing_finish.cold+0x124/0x124 [ 205.432949][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.432954][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 205.432957][ C0] ? skb_pull_rcsum+0x155/0x300 [ 205.432961][ C0] br_nf_pre_routing+0x1743/0x2355 [ 205.432965][ C0] ? br_nf_pre_routing_finish+0x1730/0x1730 [ 205.432969][ C0] ? cache_grow_begin.cold+0x2d/0x48 [ 205.432973][ C0] ? br_nf_pre_routing_finish+0x1730/0x1730 [ 205.432977][ C0] br_handle_frame+0x806/0x133e [ 205.432981][ C0] ? br_handle_frame_finish+0x1670/0x1670 [ 205.432985][ C0] ? br_handle_local_finish+0x20/0x20 [ 205.432989][ C0] ? br_handle_frame_finish+0x1670/0x1670 [ 205.432993][ C0] __netif_receive_skb_core+0xfc1/0x3060 [ 205.432996][ C0] ? __kasan_check_read+0x11/0x20 [ 205.433000][ C0] ? do_xdp_generic+0x50/0x50 [ 205.433004][ C0] ? __kasan_check_read+0x11/0x20 [ 205.433007][ C0] ? __lock_acquire+0x8a2/0x4c30 [ 205.433011][ C0] ? __kasan_check_read+0x11/0x20 [ 205.433015][ C0] ? __lock_acquire+0x1702/0x4c30 [ 205.433019][ C0] __netif_receive_skb_one_core+0xa8/0x1a0 [ 205.433023][ C0] ? __netif_receive_skb_one_core+0xa8/0x1a0 [ 205.433027][ C0] ? __netif_receive_skb_core+0x3060/0x3060 [ 205.433031][ C0] ? lock_acquire+0x190/0x410 [ 205.433035][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 205.433039][ C0] __netif_receive_skb+0x2c/0x1d0 [ 205.433042][ C0] process_backlog+0x206/0x750 [ 205.433046][ C0] ? net_rx_action+0x249/0x1080 [ 205.433050][ C0] ? lockdep_hardirqs_on+0x19e/0x5d0 [ 205.433053][ C0] net_rx_action+0x4d6/0x1080 [ 205.433057][ C0] ? napi_busy_loop+0x970/0x970 [ 205.433060][ C0] __do_softirq+0x262/0x98c [ 205.433064][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 205.433067][ C0] irq_exit+0x19b/0x1e0 [ 205.433071][ C0] smp_apic_timer_interrupt+0x1a3/0x610 [ 205.433075][ C0] apic_timer_interrupt+0xf/0x20 [ 205.433078][ C0] [ 205.433082][ C0] RIP: 0010:check_memory_region+0x11a/0x1a0 [ 205.433092][ C0] Code: 8d 44 25 00 4d 85 c0 75 31 49 89 d9 49 29 c1 e9 68 ff ff ff 5b b8 01 00 00 00 41 5c 41 5d 5d c3 4d 85 c9 74 ef 4d 01 e1 eb 09 <48> 83 c0 01 4c 39 c8 74 e1 80 38 00 74 f2 eb 8c 4d 39 c2 74 4d e8 [ 205.433096][ C0] RSP: 0018:ffff8880a30cfa28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 205.433105][ C0] RAX: fffffbfff13321c8 RBX: fffffbfff13321c9 RCX: ffffffff81575838 [ 205.433110][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff89990e40 [ 205.433115][ C0] RBP: ffff8880a30cfa40 R08: 1ffffffff13321c8 R09: fffffbfff13321c9 [ 205.433120][ C0] R10: fffffbfff13321c8 R11: ffffffff89990e47 R12: fffffbfff13321c8 [ 205.433125][ C0] R13: ffff8880a30e8700 R14: 0000000000000000 R15: dffffc0000000000 [ 205.433129][ C0] ? mutex_spin_on_owner+0x88/0x330 [ 205.433133][ C0] __kasan_check_read+0x11/0x20 [ 205.433137][ C0] mutex_spin_on_owner+0x88/0x330 [ 205.433140][ C0] __mutex_lock+0xb3c/0x13c0 [ 205.433143][ C0] ? rtnl_lock+0x17/0x20 [ 205.433147][ C0] ? mutex_lock_io_nested+0x1260/0x1260 [ 205.433151][ C0] ? mark_lock+0xc0/0x11e0 [ 205.433154][ C0] mutex_lock_nested+0x16/0x20 [ 205.433158][ C0] ? mutex_lock_nested+0x16/0x20 [ 205.433161][ C0] rtnl_lock+0x17/0x20 [ 205.433165][ C0] addrconf_dad_work+0xad/0x1150 [ 205.433169][ C0] ? addrconf_dad_completed+0xbb0/0xbb0 [ 205.433173][ C0] process_one_work+0x9af/0x1740 [ 205.433177][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 205.433180][ C0] ? lock_acquire+0x190/0x410 [ 205.433184][ C0] worker_thread+0x98/0xe40 [ 205.433187][ C0] ? trace_hardirqs_on+0x67/0x240 [ 205.433191][ C0] kthread+0x361/0x430 [ 205.433195][ C0] ? process_one_work+0x1740/0x1740 [ 205.433199][ C0] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 205.433202][ C0] ret_from_fork+0x24/0x30 [ 205.433211][ C0] Kernel panic - not syncing: softlockup: hung tasks [ 206.331469][ C0] CPU: 0 PID: 3025 Comm: kworker/0:2 Tainted: G L 5.3.0-rc7+ #0 [ 206.340377][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 206.350422][ C0] Workqueue: ipv6_addrconf addrconf_dad_work [ 206.356378][ C0] Call Trace: [ 206.359651][ C0] [ 206.362499][ C0] dump_stack+0x172/0x1f0 [ 206.366812][ C0] panic+0x2dc/0x755 [ 206.370691][ C0] ? add_taint.cold+0x16/0x16 [ 206.375350][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 206.381050][ C0] ? printk_safe_flush+0xf2/0x140 [ 206.386055][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.392278][ C0] ? watchdog_timer_fn.cold+0x5/0x2b [ 206.397542][ C0] ? watchdog_timer_fn+0x56e/0x5c0 [ 206.402641][ C0] watchdog_timer_fn.cold+0x16/0x2b [ 206.407930][ C0] __hrtimer_run_queues+0x364/0xe40 [ 206.413112][ C0] ? lockup_detector_update_enable+0xa0/0xa0 [ 206.419086][ C0] ? hrtimer_start_range_ns+0xcb0/0xcb0 [ 206.424621][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 206.430321][ C0] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 206.436372][ C0] hrtimer_interrupt+0x314/0x770 [ 206.441299][ C0] smp_apic_timer_interrupt+0x160/0x610 [ 206.446828][ C0] apic_timer_interrupt+0xf/0x20 [ 206.451742][ C0] [ 206.454663][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 206.460731][ C0] Code: 89 25 d4 7c 39 09 41 bc f4 ff ff ff e8 6d 9f e9 ff 48 c7 05 be 7c 39 09 00 00 00 00 e9 77 e9 ff ff 90 90 90 90 90 90 90 90 90 <55> 48 89 e5 65 48 8b 04 25 40 fe 01 00 65 8b 15 a4 88 8f 7e 81 e2 [ 206.480324][ C0] RSP: 0018:ffff88809fa66d50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 206.488752][ C0] RAX: 0000000000000000 RBX: ffff8880a14f47b8 RCX: ffffffff85c7dbb9 [ 206.496809][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 206.504764][ C0] RBP: ffff88809fa66da8 R08: ffff88809fa44280 R09: fffffbfff14e9555 [ 206.512734][ C0] R10: ffff88809fa44c78 R11: ffff88809fa44280 R12: dffffc0000000000 [ 206.520700][ C0] R13: ffff8880a14f44c0 R14: ffff8880a14f4850 R15: 0000000000000000 [ 206.528668][ C0] ? hhf_dequeue+0xb9/0xa20 [ 206.533241][ C0] ? hhf_dequeue+0x537/0xa20 [ 206.537816][ C0] __qdisc_run+0x1e7/0x19d0 [ 206.542304][ C0] ? dev_queue_xmit+0x18/0x20 [ 206.546977][ C0] __dev_queue_xmit+0x16f1/0x3650 [ 206.551993][ C0] ? __local_bh_enable_ip+0x15a/0x270 [ 206.557352][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 206.562625][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.568845][ C0] ? br_nf_post_routing+0xd73/0x1d30 [ 206.574116][ C0] ? br_forward_finish+0x235/0x400 [ 206.579212][ C0] ? find_held_lock+0x35/0x130 [ 206.583968][ C0] ? br_forward_finish+0x235/0x400 [ 206.589063][ C0] dev_queue_xmit+0x18/0x20 [ 206.593546][ C0] ? dev_queue_xmit+0x18/0x20 [ 206.598204][ C0] br_dev_queue_push_xmit+0x3f3/0x5c0 [ 206.603557][ C0] ? __kasan_check_read+0x11/0x20 [ 206.608566][ C0] br_forward_finish+0xfa/0x400 [ 206.613415][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 206.619554][ C0] ? br_fdb_add.cold+0x8c/0x8c [ 206.624302][ C0] ? __kasan_check_read+0x11/0x20 [ 206.629307][ C0] __br_forward+0x641/0xb00 [ 206.633791][ C0] ? br_forward_finish+0x400/0x400 [ 206.638883][ C0] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 206.644413][ C0] deliver_clone+0x61/0xc0 [ 206.648812][ C0] maybe_deliver+0x2c7/0x390 [ 206.653393][ C0] br_flood+0x13a/0x3d0 [ 206.657535][ C0] br_dev_xmit+0x98c/0x15a0 [ 206.662023][ C0] ? br_poll_controller+0x10/0x10 [ 206.667026][ C0] ? netif_skb_features+0x6c2/0xb90 [ 206.672208][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.678432][ C0] dev_hard_start_xmit+0x1a3/0x9c0 [ 206.683529][ C0] __dev_queue_xmit+0x2b15/0x3650 [ 206.688536][ C0] ? __kasan_check_read+0x11/0x20 [ 206.693543][ C0] ? __lock_acquire+0x1702/0x4c30 [ 206.698566][ C0] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 206.703834][ C0] ? ip6_finish_output2+0x1034/0x2520 [ 206.709197][ C0] ? __kasan_check_read+0x11/0x20 [ 206.714215][ C0] ? mark_lock+0xc0/0x11e0 [ 206.718616][ C0] ? mark_held_locks+0xa4/0xf0 [ 206.723368][ C0] dev_queue_xmit+0x18/0x20 [ 206.727853][ C0] ? dev_queue_xmit+0x18/0x20 [ 206.732514][ C0] neigh_resolve_output+0x5a5/0x970 [ 206.737700][ C0] ip6_finish_output2+0x1034/0x2520 [ 206.742879][ C0] ? ip6_mtu+0x2e6/0x460 [ 206.747107][ C0] ? ip6_forward_finish+0x530/0x530 [ 206.752285][ C0] ? lock_downgrade+0x920/0x920 [ 206.757120][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.763342][ C0] ? __kasan_check_read+0x11/0x20 [ 206.768353][ C0] __ip6_finish_output+0x444/0xa50 [ 206.773452][ C0] ? __ip6_finish_output+0x444/0xa50 [ 206.778730][ C0] ip6_finish_output+0x38/0x1f0 [ 206.783571][ C0] ip6_output+0x235/0x7c0 [ 206.787982][ C0] ? ip6_finish_output+0x1f0/0x1f0 [ 206.793168][ C0] ? __ip6_finish_output+0xa50/0xa50 [ 206.798535][ C0] ndisc_send_skb+0xf29/0x1450 [ 206.803415][ C0] ? nf_hook.constprop.0+0x560/0x560 [ 206.808687][ C0] ? skb_set_owner_w+0x21b/0x320 [ 206.814131][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 206.819854][ C0] ndisc_send_ns+0x3a9/0x850 [ 206.824427][ C0] ? mark_held_locks+0xa4/0xf0 [ 206.829177][ C0] ? ndisc_netdev_event+0x4e0/0x4e0 [ 206.834471][ C0] ? lockdep_hardirqs_on+0x418/0x5d0 [ 206.839737][ C0] ? addrconf_dad_work+0xac4/0x1150 [ 206.846308][ C0] ? trace_hardirqs_on+0x67/0x240 [ 206.851513][ C0] ? addrconf_dad_work+0xac4/0x1150 [ 206.856697][ C0] addrconf_dad_work+0xb88/0x1150 [ 206.861712][ C0] ? addrconf_dad_completed+0xbb0/0xbb0 [ 206.867258][ C0] process_one_work+0x9af/0x1740 [ 206.872190][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 206.877541][ C0] ? lock_acquire+0x190/0x410 [ 206.882218][ C0] worker_thread+0x98/0xe40 [ 206.886717][ C0] ? trace_hardirqs_on+0x67/0x240 [ 206.891734][ C0] kthread+0x361/0x430 [ 206.896307][ C0] ? process_one_work+0x1740/0x1740 [ 206.901486][ C0] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 206.907808][ C0] ret_from_fork+0x24/0x30 [ 206.913814][ C0] Kernel Offset: disabled [ 206.918548][ C0] Rebooting in 86400 seconds..