Starting Update UTMP about System Runlevel Changes... [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. 2021/05/30 13:56:49 parsed 1 programs 2021/05/30 13:56:50 executed programs: 0 syzkaller login: [ 1581.715999][ T8444] chnl_net:caif_netlink_parms(): no params data found [ 1581.778200][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 1581.786040][ T8444] bridge0: port 1(bridge_slave_0) entered disabled state [ 1581.801564][ T8444] device bridge_slave_0 entered promiscuous mode [ 1581.811562][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 1581.819162][ T8444] bridge0: port 2(bridge_slave_1) entered disabled state [ 1581.827082][ T8444] device bridge_slave_1 entered promiscuous mode [ 1581.843861][ T8444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1581.855841][ T8444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1581.875350][ T8444] team0: Port device team_slave_0 added [ 1581.882315][ T8444] team0: Port device team_slave_1 added [ 1581.896249][ T8444] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1581.903561][ T8444] 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. [ 1581.929948][ T8444] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1581.942024][ T8444] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1581.949074][ T8444] 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. [ 1581.975167][ T8444] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1581.998321][ T8444] device hsr_slave_0 entered promiscuous mode [ 1582.004749][ T8444] device hsr_slave_1 entered promiscuous mode [ 1582.082308][ T8444] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1582.094808][ T8444] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1582.103190][ T8444] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1582.112781][ T8444] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1582.131899][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 1582.139013][ T8444] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1582.146456][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 1582.153533][ T8444] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1582.189569][ T8444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1582.201854][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1582.212298][ T2947] bridge0: port 1(bridge_slave_0) entered disabled state [ 1582.220608][ T2947] bridge0: port 2(bridge_slave_1) entered disabled state [ 1582.228906][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1582.240851][ T8444] 8021q: adding VLAN 0 to HW filter on device team0 [ 1582.251561][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1582.260396][ T8665] bridge0: port 1(bridge_slave_0) entered blocking state [ 1582.267465][ T8665] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1582.278715][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1582.287239][ T8666] bridge0: port 2(bridge_slave_1) entered blocking state [ 1582.294265][ T8666] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1582.316470][ T8444] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1582.328047][ T8444] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1582.340783][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1582.349387][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1582.358137][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1582.366412][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1582.375501][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1582.383262][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1582.403049][ T8444] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1582.410577][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1582.418689][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1582.437028][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1582.451133][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1582.459610][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1582.468382][ T8585] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1582.479290][ T8444] device veth0_vlan entered promiscuous mode [ 1582.490015][ T8444] device veth1_vlan entered promiscuous mode [ 1582.509099][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1582.518097][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1582.525957][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1582.536520][ T8444] device veth0_macvtap entered promiscuous mode [ 1582.545882][ T8444] device veth1_macvtap entered promiscuous mode [ 1582.561441][ T8444] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1582.568955][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1582.578557][ T8665] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1582.589802][ T8444] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1582.597801][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1582.610009][ T8444] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1582.618870][ T8444] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1582.627830][ T8444] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1582.636512][ T8444] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1582.701208][ T415] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1582.717289][ T415] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1582.738092][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1582.753199][ T415] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1582.762676][ T415] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1582.773746][ T8666] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1583.597264][ T8665] Bluetooth: hci0: command 0x0409 tx timeout 2021/05/30 13:56:55 executed programs: 3 [ 1585.676856][ T8665] Bluetooth: hci0: command 0x041b tx timeout [ 1587.756895][ T8] Bluetooth: hci0: command 0x040f tx timeout [ 1589.836686][ T8668] Bluetooth: hci0: command 0x0419 tx timeout 2021/05/30 13:57:00 executed programs: 9 2021/05/30 13:57:05 executed programs: 15 2021/05/30 13:57:11 executed programs: 21 [ 1606.557312][ T3246] ieee802154 phy0 wpan0: encryption failed: -22 [ 1606.563747][ T3246] ieee802154 phy1 wpan1: encryption failed: -22 2021/05/30 13:57:16 executed programs: 27 2021/05/30 13:57:22 executed programs: 33 2021/05/30 13:57:27 executed programs: 39 2021/05/30 13:57:32 executed programs: 45 2021/05/30 13:57:38 executed programs: 51 [ 1667.997347][ T3246] ieee802154 phy0 wpan0: encryption failed: -22 [ 1668.003694][ T3246] ieee802154 phy1 wpan1: encryption failed: -22 [ 1705.916803][ T8] Bluetooth: hci0: command 0x0406 tx timeout [ 1729.437600][ T3246] ieee802154 phy0 wpan0: encryption failed: -22 [ 1729.443966][ T3246] ieee802154 phy1 wpan1: encryption failed: -22 [ 1780.646824][ T1636] INFO: task syz-executor.0:9052 blocked for more than 143 seconds. [ 1780.655446][ T1636] Not tainted 5.13.0-rc3-syzkaller #0 [ 1780.663419][ T1636] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1780.672640][ T1636] task:syz-executor.0 state:D stack:27544 pid: 9052 ppid: 8444 flags:0x00004004 [ 1780.682498][ T1636] Call Trace: [ 1780.685774][ T1636] __schedule+0x916/0x23e0 [ 1780.690289][ T1636] ? io_schedule_timeout+0x140/0x140 [ 1780.695590][ T1636] ? get_vtime_delta+0x271/0x420 [ 1780.700587][ T1636] schedule+0xcf/0x270 [ 1780.704658][ T1636] schedule_timeout+0x1db/0x250 [ 1780.709585][ T1636] ? usleep_range+0x170/0x170 [ 1780.714262][ T1636] ? wait_for_completion+0x160/0x270 [ 1780.719579][ T1636] ? lock_downgrade+0x6e0/0x6e0 [ 1780.724443][ T1636] ? do_raw_spin_lock+0x120/0x2b0 [ 1780.729536][ T1636] ? rwlock_bug.part.0+0x90/0x90 [ 1780.734477][ T1636] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1780.739709][ T1636] wait_for_completion+0x168/0x270 [ 1780.744841][ T1636] ? __flush_work+0x4f9/0xac0 [ 1780.749589][ T1636] ? bit_wait_io_timeout+0x160/0x160 [ 1780.754876][ T1636] ? lockdep_hardirqs_off+0x90/0xd0 [ 1780.760114][ T1636] __flush_work+0x527/0xac0 [ 1780.764619][ T1636] ? queue_delayed_work_on+0x120/0x120 [ 1780.770151][ T1636] ? __flush_work+0x843/0xac0 [ 1780.774963][ T1636] ? flush_workqueue_prep_pwqs+0x510/0x510 [ 1780.780832][ T1636] ? try_to_grab_pending+0xbd/0xd0 [ 1780.785959][ T1636] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1780.793320][ T1636] __cancel_work_timer+0x3f9/0x570 [ 1780.798492][ T1636] ? try_to_grab_pending+0xd0/0xd0 [ 1780.803600][ T1636] ? p9_fd_close+0x280/0x520 [ 1780.808258][ T1636] ? lock_downgrade+0x6e0/0x6e0 [ 1780.813113][ T1636] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1780.818955][ T1636] p9_fd_close+0x305/0x520 [ 1780.823371][ T1636] p9_client_destroy+0xbe/0x360 [ 1780.828293][ T1636] ? p9_tag_remove+0x250/0x250 [ 1780.833055][ T1636] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1780.838648][ T1636] ? kfree+0x6ae/0x7f0 [ 1780.842714][ T1636] ? trace_kmalloc+0xbe/0xf0 [ 1780.847473][ T1636] ? v9fs_session_init+0xbf4/0x1770 [ 1780.852674][ T1636] v9fs_session_init+0xfd2/0x1770 [ 1780.857744][ T1636] ? v9fs_show_options+0x780/0x780 [ 1780.862860][ T1636] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1780.868651][ T1636] v9fs_mount+0x79/0x9c0 [ 1780.873069][ T1636] ? v9fs_write_inode+0x60/0x60 [ 1780.878201][ T1636] legacy_get_tree+0x105/0x220 [ 1780.882971][ T1636] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1780.889289][ T1636] vfs_get_tree+0x89/0x2f0 [ 1780.893704][ T1636] path_mount+0x132a/0x1fa0 [ 1780.898246][ T1636] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1780.904492][ T1636] ? strncpy_from_user+0x2a0/0x3e0 [ 1780.909692][ T1636] ? finish_automount+0xad0/0xad0 [ 1780.914729][ T1636] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 1780.921855][ T1636] ? getname_flags.part.0+0x1dd/0x4f0 [ 1780.927330][ T1636] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1780.933586][ T1636] __x64_sys_mount+0x27f/0x300 [ 1780.938386][ T1636] ? copy_mnt_ns+0xae0/0xae0 [ 1780.942977][ T1636] ? syscall_enter_from_user_mode+0x27/0x70 [ 1780.948946][ T1636] do_syscall_64+0x3a/0xb0 [ 1780.953363][ T1636] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1780.959326][ T1636] RIP: 0033:0x4665d9 [ 1780.963388][ T1636] RSP: 002b:00007fa223087188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 1780.971928][ T1636] RAX: ffffffffffffffda RBX: 000000000056c1a8 RCX: 00000000004665d9 [ 1780.980277][ T1636] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000000000000 [ 1780.988699][ T1636] RBP: 00000000004bfcb9 R08: 0000000020000580 R09: 0000000000000000 [ 1780.996809][ T1636] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c1a8 [ 1781.004776][ T1636] R13: 00007ffcbc09043f R14: 00007fa223087300 R15: 0000000000022000 [ 1781.013045][ T1636] [ 1781.013045][ T1636] Showing all locks held in the system: [ 1781.020809][ T1636] 1 lock held by khungtaskd/1636: [ 1781.025997][ T1636] #0: ffffffff8bf79320 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 1781.035922][ T1636] 2 locks held by in:imklog/8116: [ 1781.041038][ T1636] 2 locks held by kworker/1:0/8585: [ 1781.046225][ T1636] #0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 [ 1781.057492][ T1636] #1: ffffc90001f7fda8 ((work_completion)(&m->wq)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 [ 1781.068639][ T1636] [ 1781.070959][ T1636] ============================================= [ 1781.070959][ T1636] [ 1781.079588][ T1636] NMI backtrace for cpu 1 [ 1781.083914][ T1636] CPU: 1 PID: 1636 Comm: khungtaskd Not tainted 5.13.0-rc3-syzkaller #0 [ 1781.092229][ T1636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1781.102266][ T1636] Call Trace: [ 1781.105537][ T1636] dump_stack+0x141/0x1d7 [ 1781.109846][ T1636] nmi_cpu_backtrace.cold+0x44/0xd7 [ 1781.115024][ T1636] ? lapic_can_unplug_cpu+0x80/0x80 [ 1781.120376][ T1636] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 1781.126336][ T1636] watchdog+0xd48/0xfb0 [ 1781.130560][ T1636] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1781.136785][ T1636] ? reset_hung_task_detector+0x30/0x30 [ 1781.142414][ T1636] kthread+0x3b1/0x4a0 [ 1781.146463][ T1636] ? __kthread_bind_mask+0xc0/0xc0 [ 1781.151642][ T1636] ret_from_fork+0x1f/0x30 [ 1781.156121][ T1636] Sending NMI from CPU 1 to CPUs 0: [ 1781.161828][ C0] NMI backtrace for cpu 0 [ 1781.161838][ C0] CPU: 0 PID: 8 Comm: kworker/0:2 Not tainted 5.13.0-rc3-syzkaller #0 [ 1781.161845][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1781.161852][ C0] Workqueue: events nsim_dev_trap_report_work [ 1781.161862][ C0] RIP: 0010:deref_stack_reg+0x4b/0x150 [ 1781.161871][ C0] Code: 83 ec 08 0f b6 04 02 84 c0 74 08 3c 03 0f 8e d7 00 00 00 41 8b 04 24 85 c0 74 62 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df <48> 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c3 00 00 00 49 8d 7c 24 10 [ 1781.161882][ C0] RSP: 0018:ffffc90000cd7628 EFLAGS: 00000202 [ 1781.161891][ C0] RAX: dffffc0000000000 RBX: ffffc90000cd77c0 RCX: 0000000000000000 [ 1781.161897][ C0] RDX: 1ffff9200019aef0 RSI: ffffc90000cd7750 RDI: ffffc90000cd7788 [ 1781.161904][ C0] RBP: ffffc90000cd7750 R08: ffffffff8e42217e R09: 0000000000000001 [ 1781.161911][ C0] R10: fffff5200019aefb R11: 0000000000084087 R12: ffffc90000cd7780 [ 1781.161917][ C0] R13: ffffc90000cd77b5 R14: ffffc90000cd7780 R15: ffffc90000cd77b4 [ 1781.161924][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 1781.161931][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1781.161936][ C0] CR2: 00007efeea342000 CR3: 000000002d1cf000 CR4: 0000000000350ef0 [ 1781.161942][ C0] Call Trace: [ 1781.161945][ C0] unwind_next_frame+0x13e0/0x1ce0 [ 1781.161949][ C0] ? __unwind_start+0x596/0x800 [ 1781.161954][ C0] ? deref_stack_reg+0x150/0x150 [ 1781.161958][ C0] ? get_stack_info_noinstr+0x14/0x120 [ 1781.161963][ C0] __unwind_start+0x51b/0x800 [ 1781.161967][ C0] ? create_prof_cpu_mask+0x20/0x20 [ 1781.161971][ C0] arch_stack_walk+0x5c/0xe0 [ 1781.161975][ C0] ? arch_stack_walk+0x5c/0xe0 [ 1781.161979][ C0] ? kfree+0xe5/0x7f0 [ 1781.161983][ C0] stack_trace_save+0x8c/0xc0 [ 1781.161987][ C0] ? stack_trace_consume_entry+0x160/0x160 [ 1781.161992][ C0] kasan_save_stack+0x1b/0x40 [ 1781.161996][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1781.162001][ C0] ? lock_chain_count+0x20/0x20 [ 1781.162005][ C0] ? find_held_lock+0x2d/0x110 [ 1781.162009][ C0] ? debug_check_no_obj_freed+0x20c/0x420 [ 1781.162014][ C0] ? mark_held_locks+0x9f/0xe0 [ 1781.162018][ C0] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1781.162023][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 1781.162028][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 1781.162032][ C0] ? debug_check_no_obj_freed+0x20c/0x420 [ 1781.162037][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1781.162043][ C0] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1781.162047][ C0] kasan_set_track+0x1c/0x30 [ 1781.162052][ C0] kasan_set_free_info+0x20/0x30 [ 1781.162056][ C0] __kasan_slab_free+0xfb/0x130 [ 1781.162060][ C0] slab_free_freelist_hook+0xdf/0x240 [ 1781.162064][ C0] kfree+0xe5/0x7f0 [ 1781.162068][ C0] ? skb_release_data+0x622/0x750 [ 1781.162072][ C0] skb_release_data+0x622/0x750 [ 1781.162076][ C0] consume_skb+0xc2/0x160 [ 1781.162080][ C0] nsim_dev_trap_report_work+0x86f/0xbd0 [ 1781.162085][ C0] process_one_work+0x98d/0x1600 [ 1781.162089][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 1781.162094][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 1781.162098][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 1781.162102][ C0] worker_thread+0x64c/0x1120 [ 1781.162106][ C0] ? __kthread_parkme+0x13f/0x1e0 [ 1781.162111][ C0] ? process_one_work+0x1600/0x1600 [ 1781.162115][ C0] kthread+0x3b1/0x4a0 [ 1781.162119][ C0] ? __kthread_bind_mask+0xc0/0xc0 [ 1781.162123][ C0] ret_from_fork+0x1f/0x30 [ 1781.162458][ T1636] Kernel panic - not syncing: hung_task: blocked tasks [ 1781.506905][ T1636] CPU: 1 PID: 1636 Comm: khungtaskd Not tainted 5.13.0-rc3-syzkaller #0 [ 1781.515200][ T1636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1781.525230][ T1636] Call Trace: [ 1781.528489][ T1636] dump_stack+0x141/0x1d7 [ 1781.532798][ T1636] panic+0x306/0x73d [ 1781.536665][ T1636] ? __warn_printk+0xf3/0xf3 [ 1781.541238][ T1636] ? lapic_can_unplug_cpu+0x80/0x80 [ 1781.546415][ T1636] ? preempt_schedule_thunk+0x16/0x18 [ 1781.551767][ T1636] ? nmi_trigger_cpumask_backtrace+0x196/0x230 [ 1781.557899][ T1636] ? watchdog.cold+0x5/0x158 [ 1781.562467][ T1636] watchdog.cold+0x16/0x158 [ 1781.566948][ T1636] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1781.573168][ T1636] ? reset_hung_task_detector+0x30/0x30 [ 1781.578690][ T1636] kthread+0x3b1/0x4a0 [ 1781.582734][ T1636] ? __kthread_bind_mask+0xc0/0xc0 [ 1781.587822][ T1636] ret_from_fork+0x1f/0x30 [ 1781.598285][ T1636] Kernel Offset: disabled [ 1781.602589][ T1636] Rebooting in 86400 seconds..