[ 69.617749][ T26] audit: type=1800 audit(1567945043.520:27): pid=9991 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 69.642490][ T26] audit: type=1800 audit(1567945043.520:28): pid=9991 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 70.350034][ T26] audit: type=1800 audit(1567945044.330:29): pid=9991 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 [ 70.371460][ T26] audit: type=1800 audit(1567945044.330:30): pid=9991 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 '10.128.0.10' (ECDSA) to the list of known hosts. syzkaller login: [ 153.553686][T10145] IPVS: ftp: loaded support on port[0] = 21 [ 153.599712][T10145] chnl_net:caif_netlink_parms(): no params data found [ 153.622079][T10145] bridge0: port 1(bridge_slave_0) entered blocking state [ 153.629511][T10145] bridge0: port 1(bridge_slave_0) entered disabled state [ 153.637198][T10145] device bridge_slave_0 entered promiscuous mode [ 153.644454][T10145] bridge0: port 2(bridge_slave_1) entered blocking state [ 153.651871][T10145] bridge0: port 2(bridge_slave_1) entered disabled state [ 153.660705][T10145] device bridge_slave_1 entered promiscuous mode [ 153.674252][T10145] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 153.684625][T10145] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 153.700892][T10145] team0: Port device team_slave_0 added [ 153.707964][T10145] team0: Port device team_slave_1 added [ 153.780784][T10145] device hsr_slave_0 entered promiscuous mode [ 153.849086][T10145] device hsr_slave_1 entered promiscuous mode [ 153.933968][T10145] bridge0: port 2(bridge_slave_1) entered blocking state [ 153.941076][T10145] bridge0: port 2(bridge_slave_1) entered forwarding state [ 153.948352][T10145] bridge0: port 1(bridge_slave_0) entered blocking state [ 153.955446][T10145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 153.979557][T10145] 8021q: adding VLAN 0 to HW filter on device bond0 [ 153.991947][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 154.010419][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 154.021415][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 154.029662][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 154.039813][T10145] 8021q: adding VLAN 0 to HW filter on device team0 [ 154.050429][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 154.058957][ T3014] bridge0: port 1(bridge_slave_0) entered blocking state [ 154.066018][ T3014] bridge0: port 1(bridge_slave_0) entered forwarding state [ 154.073698][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 154.082742][ T3014] bridge0: port 2(bridge_slave_1) entered blocking state [ 154.089824][ T3014] bridge0: port 2(bridge_slave_1) entered forwarding state [ 154.104081][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 154.112776][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 154.122992][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 154.135256][T10145] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 154.146064][T10145] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 154.158657][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 154.167337][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 154.175703][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 154.189710][T10145] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 259.328815][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 259.335555][ C1] rcu: 1-...!: (10499 ticks this GP) idle=4ae/1/0x4000000000000004 softirq=10507/10508 fqs=0 [ 259.345872][ C1] (t=10500 jiffies g=9873 q=39) [ 259.350825][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g9873 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 259.362084][ C1] rcu: RCU grace-period kthread stack dump: [ 259.368139][ C1] rcu_preempt I29520 10 2 0x80004000 [ 259.374829][ C1] Call Trace: [ 259.378190][ C1] __schedule+0x755/0x1580 [ 259.382691][ C1] ? __sched_text_start+0x8/0x8 [ 259.387541][ C1] schedule+0xd9/0x260 [ 259.391693][ C1] schedule_timeout+0x486/0xc50 [ 259.396538][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 259.401469][ C1] ? usleep_range+0x170/0x170 [ 259.406136][ C1] ? trace_hardirqs_on+0x67/0x240 [ 259.411157][ C1] ? __kasan_check_read+0x11/0x20 [ 259.416180][ C1] ? __next_timer_interrupt+0x1a0/0x1a0 [ 259.421752][ C1] ? swake_up_one+0x60/0x60 [ 259.426245][ C1] ? trace_hardirqs_on+0x67/0x240 [ 259.431264][ C1] rcu_gp_kthread+0x9b2/0x18c0 [ 259.436125][ C1] ? rcu_barrier+0x310/0x310 [ 259.440709][ C1] ? trace_hardirqs_on+0x67/0x240 [ 259.445839][ C1] ? __kasan_check_read+0x11/0x20 [ 259.451226][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.457469][ C1] ? __kthread_parkme+0x108/0x1c0 [ 259.462486][ C1] ? __kasan_check_read+0x11/0x20 [ 259.467598][ C1] kthread+0x361/0x430 [ 259.471703][ C1] ? rcu_barrier+0x310/0x310 [ 259.476298][ C1] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 259.482547][ C1] ret_from_fork+0x24/0x30 [ 259.487269][ C1] Sending NMI from CPU 1 to CPUs 0: [ 259.494273][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.759 msecs [ 259.494484][ C1] NMI backtrace for cpu 0 [ 259.494491][ C1] CPU: 0 PID: 3014 Comm: kworker/0:2 Not tainted 5.3.0-rc7+ #0 [ 259.494497][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.494501][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 259.494507][ C1] RIP: 0010:hhf_dequeue+0x5c0/0xa20 [ 259.494518][ C1] Code: b6 14 20 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3f 04 00 00 45 0f af b5 14 03 00 00 48 89 df 45 01 fe 44 89 73 10 fb da 77 fd 31 ff 41 89 c6 89 c6 e8 df 15 ac fb 45 84 f6 74 63 [ 259.494521][ C1] RSP: 0018:ffff8880ae808b48 EFLAGS: 00000246 [ 259.494528][ C1] RAX: 0000000000000007 RBX: ffff88808eb81978 RCX: ffffffff85c65b39 [ 259.494533][ C1] RDX: 0000000000000000 RSI: ffffffff85c66006 RDI: ffff88808eb81978 [ 259.494538][ C1] RBP: ffff8880ae808b98 R08: ffff88809f90c700 R09: 0000000000000000 [ 259.494543][ C1] R10: fffffbfff134afaf R11: ffff88809f90c700 R12: dffffc0000000000 [ 259.494547][ C1] R13: ffff88808eb81680 R14: 0000000000000000 R15: 0000000000000000 [ 259.494553][ C1] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 259.494557][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 259.494561][ C1] CR2: 00000000004c78e8 CR3: 0000000095af3000 CR4: 00000000001406f0 [ 259.494566][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 259.494571][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 259.494573][ C1] Call Trace: [ 259.494576][ C1] [ 259.494579][ C1] __qdisc_run+0x1e7/0x19d0 [ 259.494582][ C1] ? dev_queue_xmit+0x18/0x20 [ 259.494585][ C1] __dev_queue_xmit+0x16f1/0x3650 [ 259.494589][ C1] ? process_backlog+0x206/0x750 [ 259.494592][ C1] ? net_rx_action+0x4d6/0x1030 [ 259.494595][ C1] ? __do_softirq+0x262/0x98c [ 259.494598][ C1] ? do_softirq_own_stack+0x2a/0x40 [ 259.494601][ C1] ? do_softirq.part.0+0x11a/0x170 [ 259.494605][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 259.494608][ C1] ? quarantine_put+0x11c/0x1c0 [ 259.494611][ C1] ? trace_hardirqs_on+0x67/0x240 [ 259.494614][ C1] ? __skb_ext_put+0xd9/0x210 [ 259.494617][ C1] dev_queue_xmit+0x18/0x20 [ 259.494621][ C1] ? dev_queue_xmit+0x18/0x20 [ 259.494624][ C1] br_dev_queue_push_xmit+0x3f3/0x5c0 [ 259.494627][ C1] ? __skb_ext_del+0xb0/0x2c0 [ 259.494630][ C1] ? lock_downgrade+0x920/0x920 [ 259.494634][ C1] br_nf_dev_queue_xmit+0x34e/0x1470 [ 259.494637][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 259.494641][ C1] br_nf_post_routing+0x1502/0x1d30 [ 259.494644][ C1] ? br_nf_dev_queue_xmit+0x1470/0x1470 [ 259.494648][ C1] ? mark_held_locks+0xf0/0xf0 [ 259.494651][ C1] ? nf_bridge_update_protocol+0x1d0/0x1d0 [ 259.494655][ C1] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 259.494658][ C1] nf_hook_slow+0xbc/0x1e0 [ 259.494662][ C1] br_forward_finish+0x215/0x400 [ 259.494665][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 259.494674][ C1] ? process_one_work+0x9af/0x1740 [ 259.494677][ C1] ? worker_thread+0x98/0xe40 [ 259.494680][ C1] ? kthread+0x361/0x430 [ 259.494683][ C1] ? br_fdb_add.cold+0x8c/0x8c [ 259.494686][ C1] ? ip_vs_out+0x244/0x1700 [ 259.494690][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 259.494693][ C1] ? nf_hook_slow+0xf0/0x1e0 [ 259.494696][ C1] ? should_fail+0x1de/0x852 [ 259.494699][ C1] br_nf_hook_thresh+0x2e9/0x370 [ 259.494703][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 259.494707][ C1] ? setup_pre_routing+0x4b0/0x4b0 [ 259.494710][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 259.494714][ C1] ? br_nf_forward_finish+0x176/0xa90 [ 259.494717][ C1] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 259.494721][ C1] br_nf_forward_finish+0x66c/0xa90 [ 259.494724][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 259.494727][ C1] br_nf_forward_ip+0xc74/0x21e0 [ 259.494731][ C1] ? br_nf_forward_arp+0x1670/0x1670 [ 259.494734][ C1] ? mark_held_locks+0xf0/0xf0 [ 259.494737][ C1] ? br_nf_hook_thresh+0x370/0x370 [ 259.494740][ C1] ? __vlan_flush+0x120/0x120 [ 259.494744][ C1] nf_hook_slow+0xbc/0x1e0 [ 259.494746][ C1] __br_forward+0x393/0xb00 [ 259.494750][ C1] ? br_forward_finish+0x400/0x400 [ 259.494753][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 259.494757][ C1] deliver_clone+0x61/0xc0 [ 259.494759][ C1] br_flood+0x325/0x3d0 [ 259.494763][ C1] br_handle_frame_finish+0xb46/0x1670 [ 259.494767][ C1] ? br_handle_local_finish+0x20/0x20 [ 259.494770][ C1] ? audit_alloc_mark+0x430/0x500 [ 259.494773][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 259.494776][ C1] ? nf_hook_slow+0xf0/0x1e0 [ 259.494780][ C1] br_nf_hook_thresh+0x2e9/0x370 [ 259.494783][ C1] ? br_handle_local_finish+0x20/0x20 [ 259.494786][ C1] ? setup_pre_routing+0x4b0/0x4b0 [ 259.494790][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.494794][ C1] ? br_handle_local_finish+0x20/0x20 [ 259.494798][ C1] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 259.494802][ C1] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 259.494805][ C1] br_nf_pre_routing_finish_ipv6+0x6fb/0xd80 [ 259.494809][ C1] ? br_handle_local_finish+0x20/0x20 [ 259.494812][ C1] br_nf_pre_routing_ipv6+0x456/0x832 [ 259.494815][ C1] ? br_validate_ipv6+0xb80/0xb80 [ 259.494819][ C1] ? br_nf_pre_routing_finish.cold+0x124/0x124 [ 259.494823][ C1] ? br_nf_pre_routing+0x246/0x2355 [ 259.494827][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.494830][ C1] ? skb_pull_rcsum+0x155/0x300 [ 259.494833][ C1] br_nf_pre_routing+0x1743/0x2355 [ 259.494837][ C1] ? br_nf_pre_routing_finish+0x1730/0x1730 [ 259.494841][ C1] ? br_nf_pre_routing_finish+0x1730/0x1730 [ 259.494844][ C1] br_handle_frame+0x806/0x133e [ 259.494848][ C1] ? br_handle_frame_finish+0x1670/0x1670 [ 259.494851][ C1] ? kfree_skb+0x10e/0x3c0 [ 259.494855][ C1] ? br_handle_local_finish+0x20/0x20 [ 259.494859][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.494862][ C1] ? br_handle_frame_finish+0x1670/0x1670 [ 259.494866][ C1] __netif_receive_skb_core+0xfc1/0x3060 [ 259.494869][ C1] ? do_xdp_generic+0x50/0x50 [ 259.494872][ C1] ? ipv6_rcv+0x116/0x420 [ 259.494876][ C1] ? ip6_rcv_core.isra.0+0x1bb0/0x1bb0 [ 259.494879][ C1] ? __kasan_check_read+0x11/0x20 [ 259.494883][ C1] ? ip6_rcv_finish_core.isra.0+0x560/0x560 [ 259.494886][ C1] ? lock_downgrade+0x920/0x920 [ 259.494890][ C1] __netif_receive_skb_one_core+0xa8/0x1a0 [ 259.494894][ C1] ? __netif_receive_skb_one_core+0xa8/0x1a0 [ 259.494897][ C1] ? __kasan_check_write+0x14/0x20 [ 259.494901][ C1] ? __netif_receive_skb_core+0x3060/0x3060 [ 259.494904][ C1] ? lock_acquire+0x190/0x410 [ 259.494908][ C1] ? process_backlog+0x195/0x750 [ 259.494911][ C1] __netif_receive_skb+0x2c/0x1d0 [ 259.494914][ C1] process_backlog+0x206/0x750 [ 259.494918][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.494921][ C1] net_rx_action+0x4d6/0x1030 [ 259.494924][ C1] ? napi_complete_done+0x4b0/0x4b0 [ 259.494927][ C1] ? sched_clock+0x2e/0x50 [ 259.494931][ C1] ? ip6_finish_output2+0x106d/0x2520 [ 259.494935][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.494938][ C1] __do_softirq+0x262/0x98c [ 259.494941][ C1] ? ip6_finish_output2+0x106d/0x2520 [ 259.494945][ C1] do_softirq_own_stack+0x2a/0x40 [ 259.494947][ C1] [ 259.494950][ C1] do_softirq.part.0+0x11a/0x170 [ 259.494953][ C1] __local_bh_enable_ip+0x211/0x270 [ 259.494957][ C1] ip6_finish_output2+0x10a0/0x2520 [ 259.494966][ C1] ? ip6_mtu+0x2e6/0x460 [ 259.494969][ C1] ? ip6_forward_finish+0x530/0x530 [ 259.494972][ C1] ? lock_downgrade+0x920/0x920 [ 259.494975][ C1] ? ip6_mtu+0x16f/0x460 [ 259.494979][ C1] __ip6_finish_output+0x444/0xa50 [ 259.494982][ C1] ? __ip6_finish_output+0x444/0xa50 [ 259.494985][ C1] ip6_finish_output+0x38/0x1f0 [ 259.494988][ C1] ip6_output+0x235/0x7c0 [ 259.494991][ C1] ? ip6_finish_output+0x1f0/0x1f0 [ 259.494995][ C1] ? __ip6_finish_output+0xa50/0xa50 [ 259.494998][ C1] ? ndisc_send_skb+0x803/0x1450 [ 259.495001][ C1] ndisc_send_skb+0xf29/0x1450 [ 259.495005][ C1] ? nf_hook.constprop.0+0x560/0x560 [ 259.495009][ C1] ? skb_set_owner_w+0x21b/0x320 [ 259.495013][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 259.495015][ C1] ndisc_send_ns+0x3a9/0x850 [ 259.495019][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.495023][ C1] ? ndisc_netdev_event+0x4e0/0x4e0 [ 259.495026][ C1] ? addrconf_dad_work+0xac4/0x1150 [ 259.495029][ C1] ? trace_hardirqs_on+0x67/0x240 [ 259.495033][ C1] ? addrconf_dad_work+0xac4/0x1150 [ 259.495036][ C1] addrconf_dad_work+0xb88/0x1150 [ 259.495040][ C1] ? addrconf_dad_completed+0xbb0/0xbb0 [ 259.495043][ C1] ? lock_acquire+0x190/0x410 [ 259.495046][ C1] ? trace_hardirqs_on+0x67/0x240 [ 259.495049][ C1] process_one_work+0x9af/0x1740 [ 259.495053][ C1] ? pwq_dec_nr_in_flight+0x320/0x320 [ 259.495056][ C1] ? lock_acquire+0x190/0x410 [ 259.495066][ C1] worker_thread+0x98/0xe40 [ 259.495069][ C1] ? trace_hardirqs_on+0x67/0x240 [ 259.495072][ C1] kthread+0x361/0x430 [ 259.495075][ C1] ? process_one_work+0x1740/0x1740 [ 259.495079][ C1] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 259.495082][ C1] ret_from_fork+0x24/0x30 [ 259.495090][ C1] NMI backtrace for cpu 1 [ 260.406862][ C1] CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.3.0-rc7+ #0 [ 260.414218][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.425328][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 260.431299][ C1] Call Trace: [ 260.434572][ C1] [ 260.437482][ C1] dump_stack+0x172/0x1f0 [ 260.441814][ C1] nmi_cpu_backtrace.cold+0x70/0xb2 [ 260.447009][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.453266][ C1] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 260.458892][ C1] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 260.464868][ C1] arch_trigger_cpumask_backtrace+0x14/0x20 [ 260.470770][ C1] rcu_dump_cpu_stacks+0x183/0x1cf [ 260.475876][ C1] rcu_sched_clock_irq.cold+0x4dd/0xc13 [ 260.481588][ C1] ? raise_softirq+0x138/0x340 [ 260.486353][ C1] update_process_times+0x32/0x80 [ 260.491370][ C1] tick_sched_handle+0xa2/0x190 [ 260.496312][ C1] tick_sched_timer+0x53/0x140 [ 260.501071][ C1] __hrtimer_run_queues+0x364/0xe40 [ 260.506265][ C1] ? tick_sched_do_timer+0x1b0/0x1b0 [ 260.511552][ C1] ? hrtimer_start_range_ns+0xcb0/0xcb0 [ 260.517089][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 260.522798][ C1] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 260.528946][ C1] hrtimer_interrupt+0x314/0x770 [ 260.533887][ C1] smp_apic_timer_interrupt+0x160/0x610 [ 260.539424][ C1] apic_timer_interrupt+0xf/0x20 [ 260.544355][ C1] RIP: 0010:native_queued_spin_lock_slowpath+0xc8/0x9f0 [ 260.551299][ C1] Code: 00 00 fc ff df 49 01 c6 41 83 c5 03 be 04 00 00 00 48 89 df e8 c9 fd 52 00 41 0f b6 06 41 38 c5 7c 08 84 c0 0f 85 4e 07 00 00 <44> 8b 3b 45 85 ff 75 60 be 04 00 00 00 48 89 df e8 c3 fd 52 00 44 [ 260.570893][ C1] RSP: 0018:ffff8880ae908fa0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 260.579991][ C1] RAX: 0000000000000000 RBX: ffff88808eb81768 RCX: ffffffff81595bd7 [ 260.587948][ C1] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88808eb81768 [ 260.595908][ C1] RBP: ffff8880ae909060 R08: 1ffff11011d702ed R09: ffffed1011d702ee [ 260.603868][ C1] R10: ffffed1011d702ed R11: ffff88808eb8176b R12: 0000000000000001 [ 260.611942][ C1] R13: 0000000000000003 R14: ffffed1011d702ed R15: 0000000000000001 [ 260.619916][ C1] ? apic_timer_interrupt+0xa/0x20 [ 260.625122][ C1] ? native_queued_spin_lock_slowpath+0xb7/0x9f0 [ 260.631446][ C1] ? __pv_queued_spin_lock_slowpath+0xd10/0xd10 [ 260.637775][ C1] ? mark_held_locks+0xf0/0xf0 [ 260.642532][ C1] ? mark_held_locks+0xf0/0xf0 [ 260.647294][ C1] do_raw_spin_lock+0x20e/0x2e0 [ 260.652158][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 260.657086][ C1] ? lock_acquire+0x190/0x410 [ 260.661772][ C1] ? __dev_queue_xmit+0x14b8/0x3650 [ 260.666969][ C1] ? __dev_queue_xmit+0x20a/0x3650 [ 260.672098][ C1] _raw_spin_lock+0x37/0x40 [ 260.676592][ C1] ? __dev_queue_xmit+0x14b8/0x3650 [ 260.681780][ C1] __dev_queue_xmit+0x14b8/0x3650 [ 260.686800][ C1] ? __local_bh_enable_ip+0x15a/0x270 [ 260.692172][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 260.697452][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.703775][ C1] ? br_nf_post_routing+0xd73/0x1d30 [ 260.709227][ C1] ? br_forward_finish+0x235/0x400 [ 260.714331][ C1] ? __kasan_check_read+0x11/0x20 [ 260.719350][ C1] ? __dev_queue_xmit+0x2b15/0x3650 [ 260.724540][ C1] dev_queue_xmit+0x18/0x20 [ 260.729031][ C1] ? dev_queue_xmit+0x18/0x20 [ 260.733959][ C1] br_dev_queue_push_xmit+0x3f3/0x5c0 [ 260.739327][ C1] ? nf_hook_slow+0xf0/0x1e0 [ 260.743929][ C1] br_forward_finish+0xfa/0x400 [ 260.748771][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 260.754312][ C1] ? br_fdb_add.cold+0x8c/0x8c [ 260.759070][ C1] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 260.764780][ C1] ? nf_hook_slow+0xf0/0x1e0 [ 260.769369][ C1] __br_forward+0x641/0xb00 [ 260.773976][ C1] ? br_forward_finish+0x400/0x400 [ 260.779083][ C1] ? br_dev_queue_push_xmit+0x5c0/0x5c0 [ 260.784640][ C1] deliver_clone+0x61/0xc0 [ 260.789061][ C1] maybe_deliver+0x2c7/0x390 [ 260.793824][ C1] br_flood+0x13a/0x3d0 [ 260.798037][ C1] br_dev_xmit+0x98c/0x15a0 [ 260.802627][ C1] ? br_poll_controller+0x10/0x10 [ 260.807647][ C1] ? netif_skb_features+0x6c2/0xb90 [ 260.812840][ C1] ? netdev_set_sb_channel+0xe0/0xe0 [ 260.818121][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.824393][ C1] ? validate_xmit_xfrm+0x43c/0xf10 [ 260.829623][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.835960][ C1] dev_hard_start_xmit+0x1a3/0x9c0 [ 260.841076][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.847314][ C1] __dev_queue_xmit+0x2b15/0x3650 [ 260.852332][ C1] ? __nf_conntrack_find_get+0xa97/0x13a0 [ 260.858048][ C1] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 260.863409][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 260.868966][ C1] ? __kasan_check_read+0x11/0x20 [ 260.874077][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.880310][ C1] ? __nf_ct_refresh_acct+0x93/0x2d0 [ 260.885589][ C1] ? lock_downgrade+0x920/0x920 [ 260.890439][ C1] ? lock_acquire+0x190/0x410 [ 260.895197][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 260.900392][ C1] dev_queue_xmit+0x18/0x20 [ 260.904894][ C1] ? dev_queue_xmit+0x18/0x20 [ 260.909588][ C1] ip_finish_output2+0x1726/0x2570 [ 260.914746][ C1] ? nf_ct_deliver_cached_events+0x23d/0x6e0 [ 260.920725][ C1] ? ip_frag_next+0x910/0x910 [ 260.925399][ C1] ? __kasan_check_read+0x11/0x20 [ 260.930428][ C1] __ip_finish_output+0x5fc/0xb90 [ 260.935443][ C1] ? __ip_finish_output+0x5fc/0xb90 [ 260.940656][ C1] ? audit_alloc_mark+0x430/0x500 [ 260.945680][ C1] ip_finish_output+0x38/0x1f0 [ 260.950439][ C1] ip_output+0x21f/0x640 [ 260.954698][ C1] ? ip_mc_output+0xf40/0xf40 [ 260.959468][ C1] ? __ip_finish_output+0xb90/0xb90 [ 260.964682][ C1] ? __kasan_check_read+0x11/0x20 [ 260.969729][ C1] ip_local_out+0xbb/0x190 [ 260.974295][ C1] igmpv3_sendpack+0x1b5/0x2c0 [ 260.979139][ C1] igmp_ifc_timer_expire+0x687/0xa00 [ 260.984420][ C1] ? call_timer_fn+0xe0/0x780 [ 260.989093][ C1] call_timer_fn+0x1ac/0x780 [ 260.993683][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 260.998813][ C1] ? msleep_interruptible+0x150/0x150 [ 261.004186][ C1] ? trace_hardirqs_on+0x67/0x240 [ 261.009206][ C1] ? __kasan_check_read+0x11/0x20 [ 261.014227][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 261.019331][ C1] ? __ip_mc_dec_group+0x520/0x520 [ 261.024466][ C1] run_timer_softirq+0x697/0x17a0 [ 261.029491][ C1] ? add_timer+0x930/0x930 [ 261.033905][ C1] ? kvm_clock_read+0x18/0x30 [ 261.038571][ C1] ? kvm_sched_clock_read+0x9/0x20 [ 261.043763][ C1] ? sched_clock+0x2e/0x50 [ 261.048180][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 261.053026][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.059267][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.065544][ C1] __do_softirq+0x262/0x98c [ 261.070249][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 261.075103][ C1] irq_exit+0x19b/0x1e0 [ 261.079275][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 261.084814][ C1] apic_timer_interrupt+0xf/0x20 [ 261.089829][ C1] [ 261.092777][ C1] RIP: 0010:mutex_spin_on_owner+0x24c/0x330 [ 261.098758][ C1] Code: c3 be 08 00 00 00 4c 89 e7 e8 20 00 55 00 4c 89 e0 48 c1 e8 03 42 80 3c 38 00 0f 85 e1 00 00 00 49 8b 04 24 a8 01 75 91 f3 90 2a fe ff ff 0f 0b e8 38 dd 08 00 84 c0 0f 85 fa fd ff ff 48 c7 [ 261.118799][ C1] RSP: 0018:ffff8880a9917a60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 261.127215][ C1] RAX: 0000000000000000 RBX: ffff88809f90c700 RCX: 1ffffffff11a5ebc [ 261.135214][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 [ 261.143537][ C1] RBP: ffff8880a9917aa0 R08: 1ffff11015320c90 R09: ffffed1015320c91 [ 261.151505][ C1] R10: ffffed1015320c90 R11: ffff8880a9906487 R12: ffffffff89790340 [ 261.159815][ C1] R13: ffff8880a9906480 R14: 0000000000000000 R15: dffffc0000000000 [ 261.167810][ C1] __mutex_lock+0xb3c/0x13c0 [ 261.172560][ C1] ? rtnl_lock+0x17/0x20 [ 261.176799][ C1] ? mutex_lock_io_nested+0x1260/0x1260 [ 261.182342][ C1] ? __kasan_check_read+0x11/0x20 [ 261.187473][ C1] ? lock_downgrade+0x920/0x920 [ 261.192328][ C1] ? debug_object_deactivate+0x104/0x320 [ 261.198046][ C1] ? trace_hardirqs_off+0x62/0x240 [ 261.203285][ C1] ? __kasan_check_read+0x11/0x20 [ 261.208332][ C1] mutex_lock_nested+0x16/0x20 [ 261.213090][ C1] ? mutex_lock_nested+0x16/0x20 [ 261.218022][ C1] rtnl_lock+0x17/0x20 [ 261.222085][ C1] addrconf_dad_work+0xad/0x1150 [ 261.227198][ C1] ? addrconf_dad_completed+0xbb0/0xbb0 [ 261.232743][ C1] ? lock_acquire+0x190/0x410 [ 261.237414][ C1] ? process_one_work+0x8c1/0x1740 [ 261.242521][ C1] ? trace_hardirqs_on+0x67/0x240 [ 261.247541][ C1] process_one_work+0x9af/0x1740 [ 261.252478][ C1] ? pwq_dec_nr_in_flight+0x320/0x320 [ 261.257842][ C1] ? lock_acquire+0x190/0x410 [ 261.262521][ C1] worker_thread+0x98/0xe40 [ 261.267035][ C1] kthread+0x361/0x430 [ 261.271444][ C1] ? process_one_work+0x1740/0x1740 [ 261.276634][ C1] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 261.282874][ C1] ret_from_fork+0x24/0x30