Warning: Permanently added '10.128.1.60' (ECDSA) to the list of known hosts. 2022/07/03 07:17:08 parsed 1 programs 2022/07/03 07:17:08 executed programs: 0 [ 59.586905][ T4020] cgroup: Unknown subsys name 'net' [ 59.595181][ T4020] cgroup: Unknown subsys name 'rlimit' [ 60.711052][ T48] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.719190][ T48] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.727191][ T48] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.735363][ T48] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.743268][ T48] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.751023][ T48] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.814970][ T4026] chnl_net:caif_netlink_parms(): no params data found [ 60.850273][ T4026] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.857633][ T4026] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.865625][ T4026] device bridge_slave_0 entered promiscuous mode [ 60.873923][ T4026] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.881503][ T4026] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.889259][ T4026] device bridge_slave_1 entered promiscuous mode [ 60.910275][ T4026] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.921503][ T4026] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.942070][ T4026] team0: Port device team_slave_0 added [ 60.949343][ T4026] team0: Port device team_slave_1 added [ 60.966053][ T4026] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.973070][ T4026] 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. [ 61.000216][ T4026] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.012884][ T4026] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.019982][ T4026] 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. [ 61.045966][ T4026] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.069661][ T4026] device hsr_slave_0 entered promiscuous mode [ 61.076354][ T4026] device hsr_slave_1 entered promiscuous mode [ 61.127716][ T4026] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.134786][ T4026] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.142478][ T4026] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.149568][ T4026] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.182587][ T4026] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.194362][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.202673][ T3685] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.212222][ T3685] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.220335][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.232156][ T4026] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.241595][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.250235][ T3685] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.257302][ T3685] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.267882][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.276274][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.283387][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.298955][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.308164][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.323773][ T4026] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.335609][ T4026] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.351253][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.360356][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.369188][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.377533][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.395416][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.404429][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.415372][ T4026] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.628915][ T3622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 61.646335][ T4026] device veth0_vlan entered promiscuous mode [ 61.654372][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 61.665006][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 61.673219][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 61.684410][ T4026] device veth1_vlan entered promiscuous mode [ 61.700982][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.709540][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.718065][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.729013][ T4026] device veth0_macvtap entered promiscuous mode [ 61.737932][ T4026] device veth1_macvtap entered promiscuous mode [ 61.752733][ T4026] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.760528][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.770308][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.781178][ T4026] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.788880][ T3685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.832122][ T11] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.840312][ T11] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.854651][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.864805][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.873039][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.882417][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.950260][ T4091] nbd0: detected capacity change from 0 to 4 [ 62.744825][ T48] block nbd0: Receive control failed (result -104) [ 62.787711][ T6] Bluetooth: hci0: command 0x0409 tx timeout [ 64.857552][ T3622] Bluetooth: hci0: command 0x041b tx timeout [ 66.947666][ T3270] Bluetooth: hci0: command 0x040f tx timeout [ 69.016701][ T3622] Bluetooth: hci0: command 0x0419 tx timeout [ 70.699810][ T22] cfg80211: failed to load regulatory.db [ 70.710150][ T1234] ieee802154 phy0 wpan0: encryption failed: -22 [ 70.716860][ T1234] ieee802154 phy1 wpan1: encryption failed: -22 [ 92.457735][ T106] block nbd0: Possible stuck request ffff88801db40000: control (read@0,2048B). Runtime 30 seconds [ 122.537166][ T106] block nbd0: Possible stuck request ffff88801db40000: control (read@0,2048B). Runtime 60 seconds [ 123.734273][ T2974] udevd[2974]: worker [4021] /devices/virtual/block/nbd0 is taking a long time [ 132.137895][ T1234] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.144252][ T1234] ieee802154 phy1 wpan1: encryption failed: -22 [ 152.616732][ T106] block nbd0: Possible stuck request ffff88801db40000: control (read@0,2048B). Runtime 90 seconds [ 182.696710][ T106] block nbd0: Possible stuck request ffff88801db40000: control (read@0,2048B). Runtime 120 seconds [ 185.416695][ T22] Bluetooth: hci0: command 0x0406 tx timeout [ 193.578440][ T1234] ieee802154 phy0 wpan0: encryption failed: -22 [ 193.584928][ T1234] ieee802154 phy1 wpan1: encryption failed: -22 [ 212.786721][ T106] block nbd0: Possible stuck request ffff88801db40000: control (read@0,2048B). Runtime 150 seconds [ 221.096796][ T27] INFO: task udevd:4021 blocked for more than 143 seconds. [ 221.104379][ T27] Not tainted 5.19.0-rc4-syzkaller-00187-g089866061428-dirty #0 [ 221.112680][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 221.121469][ T27] task:udevd state:D stack:26160 pid: 4021 ppid: 2974 flags:0x00004000 [ 221.130919][ T27] Call Trace: [ 221.134199][ T27] [ 221.137464][ T27] __schedule+0xa00/0x4b50 [ 221.141908][ T27] ? find_held_lock+0x2d/0x110 [ 221.146751][ T27] ? io_schedule_timeout+0x140/0x140 [ 221.152134][ T27] ? mark_held_locks+0x9f/0xe0 [ 221.157182][ T27] schedule+0xd2/0x1f0 [ 221.161294][ T27] io_schedule+0xba/0x130 [ 221.165787][ T27] folio_wait_bit_common+0x4f2/0xa90 [ 221.171666][ T27] ? next_uptodate_page+0x810/0x810 [ 221.177263][ T27] ? filemap_add_folio+0x1d0/0x1d0 [ 221.182431][ T27] ? folio_unlock+0xc0/0xc0 [ 221.187303][ T27] ? folio_flags.constprop.0+0x58/0x150 [ 221.193044][ T27] do_read_cache_folio+0x3a4/0x6e0 [ 221.198266][ T27] ? blkdev_writepages+0x20/0x20 [ 221.203236][ T27] read_cache_page+0x59/0x2a0 [ 221.207985][ T27] read_part_sector+0xf6/0x920 [ 221.212775][ T27] ? adfspart_check_ICS+0x690/0x690 [ 221.218100][ T27] adfspart_check_POWERTEC+0x93/0x530 [ 221.223487][ T27] ? __alloc_pages_slowpath.constprop.0+0x2160/0x2160 [ 221.230309][ T27] ? adfspart_check_ADFS+0x410/0x410 [ 221.235605][ T27] ? adfspart_check_ICS+0x690/0x690 [ 221.240873][ T27] ? vsprintf+0x30/0x30 [ 221.245044][ T27] ? alloc_pages+0x1b2/0x310 [ 221.249681][ T27] ? adfspart_check_ICS+0x690/0x690 [ 221.254887][ T27] bdev_disk_changed+0x629/0xf60 [ 221.259903][ T27] ? iput.part.0+0x73/0x820 [ 221.264418][ T27] blkdev_get_whole+0x18a/0x2d0 [ 221.269529][ T27] blkdev_get_by_dev.part.0+0x5ec/0xb90 [ 221.275096][ T27] ? devcgroup_check_permission+0x1ab/0x440 [ 221.281305][ T27] blkdev_get_by_dev+0x6b/0x80 [ 221.286102][ T27] blkdev_open+0x13c/0x2c0 [ 221.290607][ T27] do_dentry_open+0x4a1/0x11f0 [ 221.295434][ T27] ? blkdev_close+0x80/0x80 [ 221.300040][ T27] path_openat+0x1c71/0x2910 [ 221.304651][ T27] ? path_lookupat+0x860/0x860 [ 221.309472][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 221.315479][ T27] do_filp_open+0x1aa/0x400 [ 221.320216][ T27] ? may_open_dev+0xf0/0xf0 [ 221.324745][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 221.329812][ T27] ? _find_next_bit+0x1e3/0x260 [ 221.334701][ T27] ? _raw_spin_unlock+0x24/0x40 [ 221.339664][ T27] ? alloc_fd+0x2f0/0x670 [ 221.344044][ T27] do_sys_openat2+0x16d/0x4c0 [ 221.348809][ T27] ? find_held_lock+0x2d/0x110 [ 221.353601][ T27] ? build_open_flags+0x6f0/0x6f0 [ 221.358786][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 221.363653][ T27] __x64_sys_openat+0x13f/0x1f0 [ 221.368565][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 221.373511][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 221.379746][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 221.385696][ T27] do_syscall_64+0x35/0xb0 [ 221.390376][ T27] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 221.396341][ T27] RIP: 0033:0x7f9721b25697 [ 221.400834][ T27] RSP: 002b:00007fff782335e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 221.409299][ T27] RAX: ffffffffffffffda RBX: 000055f98610efe0 RCX: 00007f9721b25697 [ 221.417337][ T27] RDX: 00000000000a0800 RSI: 000055f98610d320 RDI: 00000000ffffff9c [ 221.425321][ T27] RBP: 000055f98610d320 R08: 0000000000000001 R09: 00007fff7830b080 [ 221.433371][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 221.441447][ T27] R13: 000055f9860f2b80 R14: 0000000000000001 R15: 000055f9860e9910 [ 221.449470][ T27] [ 221.452543][ T27] INFO: task syz-executor.0:4090 blocked for more than 143 seconds. [ 221.460674][ T27] Not tainted 5.19.0-rc4-syzkaller-00187-g089866061428-dirty #0 [ 221.469229][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 221.477956][ T27] task:syz-executor.0 state:D stack:27904 pid: 4090 ppid: 4026 flags:0x00000004 [ 221.487926][ T27] Call Trace: [ 221.491225][ T27] [ 221.494161][ T27] __schedule+0xa00/0x4b50 [ 221.498673][ T27] ? __mutex_lock+0xa6b/0x1350 [ 221.503538][ T27] ? io_schedule_timeout+0x140/0x140 [ 221.508873][ T27] schedule+0xd2/0x1f0 [ 221.512954][ T27] schedule_preempt_disabled+0xf/0x20 [ 221.518365][ T27] __mutex_lock+0xa70/0x1350 [ 221.523135][ T27] ? blkdev_put+0xbc/0x770 [ 221.527588][ T27] ? mutex_lock_io_nested+0x1190/0x1190 [ 221.533139][ T27] ? locks_check_ctx_file_list+0x1d/0x110 [ 221.538894][ T27] ? do_raw_spin_unlock+0x171/0x230 [ 221.544121][ T27] ? _raw_spin_unlock+0x24/0x40 [ 221.549070][ T27] ? locks_remove_file+0x2f7/0x570 [ 221.554200][ T27] blkdev_put+0xbc/0x770 [ 221.558491][ T27] blkdev_close+0x64/0x80 [ 221.563056][ T27] __fput+0x277/0x9d0 [ 221.567067][ T27] ? blkdev_fsync+0xa0/0xa0 [ 221.571580][ T27] task_work_run+0xdd/0x1a0 [ 221.576074][ T27] exit_to_user_mode_prepare+0x23c/0x250 [ 221.581744][ T27] syscall_exit_to_user_mode+0x19/0x50 [ 221.587409][ T27] do_syscall_64+0x42/0xb0 [ 221.591815][ T27] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 221.597968][ T27] RIP: 0033:0x7f7d9a23bd4b [ 221.602603][ T27] RSP: 002b:00007ffdef987890 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 221.611455][ T27] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f7d9a23bd4b [ 221.619552][ T27] RDX: 0000001b2f220000 RSI: 0000000000000000 RDI: 0000000000000005 [ 221.627654][ T27] RBP: 00007f7d9a39d960 R08: 0000000000000000 R09: 00007ffdef9d7080 [ 221.635676][ T27] R10: 00007ffdef9d7090 R11: 0000000000000293 R12: 000000000000f504 [ 221.643757][ T27] R13: 00007ffdef987990 R14: 00007ffdef9879b0 R15: 0000000000000032 [ 221.651835][ T27] [ 221.654901][ T27] [ 221.654901][ T27] Showing all locks held in the system: [ 221.662877][ T27] 1 lock held by khungtaskd/27: [ 221.667778][ T27] #0: ffffffff8bd86660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 221.677897][ T27] 2 locks held by getty/3282: [ 221.682575][ T27] #0: ffff8880263ab098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 [ 221.692374][ T27] #1: ffffc90002d162e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 [ 221.702534][ T27] 1 lock held by udevd/4021: [ 221.707711][ T27] #0: ffff88801dafb118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x9b/0xb90 [ 221.718357][ T27] 1 lock held by syz-executor.0/4090: [ 221.723737][ T27] #0: ffff88801dafb118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xbc/0x770 [ 221.733126][ T27] [ 221.735476][ T27] ============================================= [ 221.735476][ T27] [ 221.744000][ T27] NMI backtrace for cpu 1 [ 221.748331][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.19.0-rc4-syzkaller-00187-g089866061428-dirty #0 [ 221.758819][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 221.768861][ T27] Call Trace: [ 221.772132][ T27] [ 221.775047][ T27] dump_stack_lvl+0xcd/0x134 [ 221.779633][ T27] nmi_cpu_backtrace.cold+0x47/0x144 [ 221.784904][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 221.790086][ T27] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 221.796056][ T27] watchdog+0xc1d/0xf50 [ 221.800212][ T27] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 221.806197][ T27] kthread+0x2e9/0x3a0 [ 221.810262][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 221.815892][ T27] ret_from_fork+0x1f/0x30 [ 221.820317][ T27] [ 221.823518][ T27] Sending NMI from CPU 1 to CPUs 0: [ 221.828772][ C0] NMI backtrace for cpu 0 [ 221.828783][ C0] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 5.19.0-rc4-syzkaller-00187-g089866061428-dirty #0 [ 221.828800][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 221.828810][ C0] Workqueue: events kfree_rcu_work [ 221.828832][ C0] RIP: 0010:preempt_count_add+0x26/0x140 [ 221.828853][ C0] Code: 00 00 00 00 48 c7 c0 40 f8 f4 90 55 48 ba 00 00 00 00 00 fc ff df 48 89 c1 53 83 e0 07 89 fb 48 c1 e9 03 83 c0 03 0f b6 14 11 <38> d0 7c 08 84 d2 0f 85 e1 00 00 00 8b 15 18 05 a3 0f 65 01 1d 11 [ 221.828867][ C0] RSP: 0018:ffffc90000137cf0 EFLAGS: 00000006 [ 221.828877][ C0] RAX: 0000000000000003 RBX: 0000000000000001 RCX: 1ffffffff21e9f08 [ 221.828886][ C0] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000001 [ 221.828895][ C0] RBP: ffff8880b9a39700 R08: 0000000000000005 R09: 0000000000000000 [ 221.828903][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 221.828912][ C0] R13: ffffc90000137da8 R14: ffff8880119b7d00 R15: ffff8880b9a39700 [ 221.828924][ C0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 221.828938][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 221.828948][ C0] CR2: 000055ab85f0c600 CR3: 000000000ba8e000 CR4: 0000000000350ef0 [ 221.828957][ C0] Call Trace: [ 221.828961][ C0] [ 221.828966][ C0] _raw_spin_lock_irq+0x16/0x50 [ 221.828983][ C0] process_one_work+0xae0/0x1610 [ 221.829002][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 221.829018][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 221.829032][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 221.829049][ C0] worker_thread+0x665/0x1080 [ 221.829067][ C0] ? process_one_work+0x1610/0x1610 [ 221.829082][ C0] kthread+0x2e9/0x3a0 [ 221.829094][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 221.829109][ C0] ret_from_fork+0x1f/0x30 [ 221.829130][ C0] [ 221.831271][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 222.020663][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.19.0-rc4-syzkaller-00187-g089866061428-dirty #0 [ 222.031081][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 222.041133][ T27] Call Trace: [ 222.044408][ T27] [ 222.047333][ T27] dump_stack_lvl+0xcd/0x134 [ 222.051928][ T27] panic+0x2d7/0x636 [ 222.055819][ T27] ? panic_print_sys_info.part.0+0x10b/0x10b [ 222.061798][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 222.066993][ T27] ? preempt_schedule_thunk+0x16/0x18 [ 222.072364][ T27] ? watchdog.cold+0x130/0x158 [ 222.077133][ T27] watchdog.cold+0x141/0x158 [ 222.081725][ T27] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 222.087706][ T27] kthread+0x2e9/0x3a0 [ 222.091779][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 222.097407][ T27] ret_from_fork+0x1f/0x30 [ 222.101831][ T27] [ 222.105401][ T27] Kernel Offset: disabled [ 222.109720][ T27] Rebooting in 86400 seconds..