[ 53.555075][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.572926][ T7344] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 53.584725][ T7344] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.604069][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.613259][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.626318][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.635179][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.643921][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.687490][ T7344] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 233.389846][ T9764] syz-executor.2 (9764) used greatest stack depth: 23024 bytes left [ 472.282497][ T5103] device bridge_slave_1 left promiscuous mode [ 472.289582][ T5103] bridge0: port 2(bridge_slave_1) entered disabled state [ 472.352989][ T5103] device bridge_slave_0 left promiscuous mode [ 472.359396][ T5103] bridge0: port 1(bridge_slave_0) entered disabled state [ 473.742533][ T5103] device hsr_slave_1 left promiscuous mode [ 473.784586][ T5103] device hsr_slave_0 left promiscuous mode [ 473.854262][ T5103] team0 (unregistering): Port device team_slave_1 removed [ 473.866847][ T5103] team0 (unregistering): Port device team_slave_0 removed [ 473.878957][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 473.913538][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 474.004836][ T5103] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts. [ 474.427137][T21778] IPVS: ftp: loaded support on port[0] = 21 [ 479.562991][ T5103] device bridge_slave_1 left promiscuous mode [ 479.569219][ T5103] bridge0: port 2(bridge_slave_1) entered disabled state [ 479.612616][ T5103] device bridge_slave_0 left promiscuous mode [ 479.618845][ T5103] bridge0: port 1(bridge_slave_0) entered disabled state [ 479.661938][ T5103] device bridge_slave_1 left promiscuous mode [ 479.668162][ T5103] bridge0: port 2(bridge_slave_1) entered disabled state [ 479.701045][ T5103] device bridge_slave_0 left promiscuous mode [ 479.707481][ T5103] bridge0: port 1(bridge_slave_0) entered disabled state [ 479.751646][ T5103] device bridge_slave_1 left promiscuous mode [ 479.758086][ T5103] bridge0: port 2(bridge_slave_1) entered disabled state [ 479.822452][ T5103] device bridge_slave_0 left promiscuous mode [ 479.828741][ T5103] bridge0: port 1(bridge_slave_0) entered disabled state [ 479.841982][ T5103] device bridge_slave_1 left promiscuous mode [ 479.848231][ T5103] bridge0: port 2(bridge_slave_1) entered disabled state [ 479.904364][ T5103] device bridge_slave_0 left promiscuous mode [ 479.912309][ T5103] bridge0: port 1(bridge_slave_0) entered disabled state [ 479.952034][ T5103] device bridge_slave_1 left promiscuous mode [ 479.958241][ T5103] bridge0: port 2(bridge_slave_1) entered disabled state [ 480.001633][ T5103] device bridge_slave_0 left promiscuous mode [ 480.008089][ T5103] bridge0: port 1(bridge_slave_0) entered disabled state [ 489.032557][ T5103] device hsr_slave_1 left promiscuous mode [ 489.065181][ T5103] device hsr_slave_0 left promiscuous mode [ 489.113443][ T5103] team0 (unregistering): Port device team_slave_1 removed [ 489.125497][ T5103] team0 (unregistering): Port device team_slave_0 removed [ 489.137830][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 489.174521][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 489.254657][ T5103] bond0 (unregistering): Released all slaves [ 489.365688][ T5103] device hsr_slave_1 left promiscuous mode [ 489.393589][ T5103] device hsr_slave_0 left promiscuous mode [ 489.434434][ T5103] team0 (unregistering): Port device team_slave_1 removed [ 489.447561][ T5103] team0 (unregistering): Port device team_slave_0 removed [ 489.458869][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 489.506546][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 489.574202][ T5103] bond0 (unregistering): Released all slaves [ 489.665526][ T5103] device hsr_slave_1 left promiscuous mode [ 489.724447][ T5103] device hsr_slave_0 left promiscuous mode [ 489.774326][ T5103] team0 (unregistering): Port device team_slave_1 removed [ 489.789776][ T5103] team0 (unregistering): Port device team_slave_0 removed [ 489.808280][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 489.857294][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 489.919840][ T5103] bond0 (unregistering): Released all slaves [ 490.032663][ T5103] device hsr_slave_1 left promiscuous mode [ 490.094534][ T5103] device hsr_slave_0 left promiscuous mode [ 490.163942][ T5103] team0 (unregistering): Port device team_slave_1 removed [ 490.175003][ T5103] team0 (unregistering): Port device team_slave_0 removed [ 490.186127][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 490.235143][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 490.329567][ T5103] bond0 (unregistering): Released all slaves [ 490.463563][ T5103] device hsr_slave_1 left promiscuous mode [ 490.513903][ T5103] device hsr_slave_0 left promiscuous mode [ 490.574049][ T5103] team0 (unregistering): Port device team_slave_1 removed [ 490.587672][ T5103] team0 (unregistering): Port device team_slave_0 removed [ 490.603098][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 490.665150][ T5103] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 490.756557][ T5103] bond0 (unregistering): Released all slaves [ 491.100803][ T5103] ------------[ cut here ]------------ [ 491.107001][ T5103] ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 [ 491.117847][ T5103] WARNING: CPU: 0 PID: 5103 at lib/debugobjects.c:328 debug_print_object+0x168/0x210 [ 491.127281][ T5103] Kernel panic - not syncing: panic_on_warn set ... [ 491.133874][ T5103] CPU: 0 PID: 5103 Comm: kworker/u4:3 Not tainted 5.2.0-rc6+ #1 [ 491.141597][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 491.151826][ T5103] Workqueue: netns cleanup_net [ 491.156673][ T5103] Call Trace: [ 491.159969][ T5103] dump_stack+0x113/0x167 [ 491.164303][ T5103] ? debug_print_object+0x168/0x210 [ 491.169505][ T5103] panic+0x212/0x4cb [ 491.173404][ T5103] ? __warn_printk+0xd6/0xd6 [ 491.177992][ T5103] __warn.cold.8+0x1b/0x38 [ 491.182491][ T5103] ? irq_work_queue+0xd/0x50 [ 491.187080][ T5103] ? debug_print_object+0x168/0x210 [ 491.192280][ T5103] report_bug+0x1a4/0x200 [ 491.196704][ T5103] do_error_trap+0x11b/0x200 [ 491.201301][ T5103] do_invalid_op+0x36/0x40 [ 491.205863][ T5103] ? debug_print_object+0x168/0x210 [ 491.211060][ T5103] invalid_op+0x14/0x20 [ 491.215354][ T5103] RIP: 0010:debug_print_object+0x168/0x210 [ 491.221148][ T5103] Code: 41 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 92 00 00 00 48 8b 14 dd e0 7c 41 87 4c 89 fe 48 c7 c7 80 72 41 87 e8 6b c6 3c fe <0f> 0b 83 05 1b 73 f6 05 01 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f [ 491.240997][ T5103] RSP: 0018:ffff8880998ff848 EFLAGS: 00010086 [ 491.247251][ T5103] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 491.255227][ T5103] RDX: 0000000000000004 RSI: 0000000000000008 RDI: ffffffff89d63d40 [ 491.263323][ T5103] RBP: ffff8880998ff888 R08: ffffed1015d440f1 R09: ffffed1015d440f0 [ 491.271290][ T5103] R10: ffffed1015d440f0 R11: ffff8880aea20787 R12: 0000000000000001 [ 491.279792][ T5103] R13: ffffffff883a64e0 R14: ffffffff81581c60 R15: ffffffff87417900 [ 491.288647][ T5103] ? calc_wheel_index+0xf0/0xf0 [ 491.293502][ T5103] ? debug_print_object+0x168/0x210 [ 491.298726][ T5103] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 491.304532][ T5103] debug_check_no_obj_freed+0x264/0x472 [ 491.310280][ T5103] kfree+0xbd/0x220 [ 491.314101][ T5103] kvfree+0x2c/0x30 [ 491.318348][ T5103] netdev_freemem+0x47/0x60 [ 491.322854][ T5103] netdev_release+0x6c/0x90 [ 491.327506][ T5103] device_release+0x6a/0x1c0 [ 491.332270][ T5103] kobject_put.cold.8+0x229/0x27c [ 491.337436][ T5103] netdev_run_todo+0x459/0x6a0 [ 491.342196][ T5103] ? kasan_check_write+0x14/0x20 [ 491.347260][ T5103] ? register_netdev+0x30/0x30 [ 491.352024][ T5103] ? unregister_netdevice_queue+0xf3/0x240 [ 491.358137][ T5103] ? net_set_todo+0x2c/0x130 [ 491.362720][ T5103] rtnl_unlock+0x9/0x10 [ 491.366877][ T5103] default_device_exit_batch+0x2e9/0x3d0 [ 491.372506][ T5103] ? unregister_netdevice_many+0x1f0/0x1f0 [ 491.378466][ T5103] ? rtnl_unlock+0x9/0x10 [ 491.384124][ T5103] ? default_device_exit+0x1ac/0x230 [ 491.389413][ T5103] ? do_wait_intr_irq+0x310/0x310 [ 491.394448][ T5103] ops_exit_list.isra.5+0xd3/0x120 [ 491.400077][ T5103] cleanup_net+0x363/0x850 [ 491.404503][ T5103] ? netns_install+0x170/0x170 [ 491.409396][ T5103] process_one_work+0x830/0x16a0 [ 491.414321][ T5103] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 491.419710][ T5103] ? lock_acquire+0x173/0x3d0 [ 491.424486][ T5103] worker_thread+0x85/0xb60 [ 491.428980][ T5103] ? __kthread_parkme+0x47/0x190 [ 491.433919][ T5103] kthread+0x324/0x3e0 [ 491.437997][ T5103] ? process_one_work+0x16a0/0x16a0 [ 491.443189][ T5103] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 491.449430][ T5103] ret_from_fork+0x24/0x30 [ 491.453841][ T5103] [ 491.453843][ T5103] ====================================================== [ 491.453844][ T5103] WARNING: possible circular locking dependency detected [ 491.453845][ T5103] 5.2.0-rc6+ #1 Not tainted [ 491.453846][ T5103] ------------------------------------------------------ [ 491.453847][ T5103] kworker/u4:3/5103 is trying to acquire lock: [ 491.453848][ T5103] 00000000a68250e4 ((console_sem).lock){-.-.}, at: down_trylock+0x13/0x70 [ 491.453851][ T5103] [ 491.453852][ T5103] but task is already holding lock: [ 491.453853][ T5103] 000000000386e526 (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xad/0x472 [ 491.453857][ T5103] [ 491.453858][ T5103] which lock already depends on the new lock. [ 491.453859][ T5103] [ 491.453860][ T5103] [ 491.453861][ T5103] the existing dependency chain (in reverse order) is: [ 491.453862][ T5103] [ 491.453862][ T5103] -> #3 (&obj_hash[i].lock){-.-.}: [ 491.453866][ T5103] _raw_spin_lock_irqsave+0x99/0xd0 [ 491.453867][ T5103] __debug_object_init+0xc3/0xd70 [ 491.453868][ T5103] debug_object_init+0x16/0x20 [ 491.453868][ T5103] hrtimer_init+0x26/0x210 [ 491.453869][ T5103] init_dl_task_timer+0x1b/0x50 [ 491.453870][ T5103] __sched_fork+0x211/0x4c0 [ 491.453871][ T5103] init_idle+0x75/0x6d0 [ 491.453872][ T5103] sched_init+0x935/0x9d4 [ 491.453873][ T5103] start_kernel+0x2e4/0x6f8 [ 491.453874][ T5103] x86_64_start_reservations+0x29/0x2b [ 491.453874][ T5103] x86_64_start_kernel+0x76/0x79 [ 491.453875][ T5103] secondary_startup_64+0xa4/0xb0 [ 491.453876][ T5103] [ 491.453877][ T5103] -> #2 (&rq->lock){-.-.}: [ 491.453880][ T5103] _raw_spin_lock+0x2d/0x40 [ 491.453880][ T5103] task_fork_fair+0x65/0x4b0 [ 491.453881][ T5103] sched_fork+0x3ad/0x8b0 [ 491.453882][ T5103] copy_process.part.39+0x1b3d/0x6100 [ 491.453883][ T5103] _do_fork+0x160/0xb70 [ 491.453884][ T5103] kernel_thread+0x24/0x30 [ 491.453885][ T5103] rest_init+0x21/0x279 [ 491.453885][ T5103] arch_call_rest_init+0x9/0xc [ 491.453886][ T5103] start_kernel+0x6bd/0x6f8 [ 491.453887][ T5103] x86_64_start_reservations+0x29/0x2b [ 491.453888][ T5103] x86_64_start_kernel+0x76/0x79 [ 491.453889][ T5103] secondary_startup_64+0xa4/0xb0 [ 491.453890][ T5103] [ 491.453890][ T5103] -> #1 (&p->pi_lock){-.-.}: [ 491.453893][ T5103] _raw_spin_lock_irqsave+0x99/0xd0 [ 491.453894][ T5103] try_to_wake_up+0x90/0x1390 [ 491.453895][ T5103] wake_up_process+0x10/0x20 [ 491.453896][ T5103] __up.isra.1+0x136/0x1a0 [ 491.453897][ T5103] up+0x95/0xe0 [ 491.453898][ T5103] __up_console_sem+0xa0/0x150 [ 491.453899][ T5103] console_unlock+0x4ff/0xb80 [ 491.453900][ T5103] vprintk_emit+0x19a/0x560 [ 491.453901][ T5103] vprintk_default+0x1a/0x20 [ 491.453902][ T5103] vprintk_func+0x49/0x12c [ 491.453902][ T5103] printk+0x9a/0xc0 [ 491.453903][ T5103] regdb_fw_cb.cold.36+0x48/0x75 [ 491.453904][ T5103] request_firmware_work_func+0x127/0x25e [ 491.453905][ T5103] process_one_work+0x830/0x16a0 [ 491.453906][ T5103] worker_thread+0x85/0xb60 [ 491.453907][ T5103] kthread+0x324/0x3e0 [ 491.453908][ T5103] ret_from_fork+0x24/0x30 [ 491.453908][ T5103] [ 491.453909][ T5103] -> #0 ((console_sem).lock){-.-.}: [ 491.453912][ T5103] lock_acquire+0x173/0x3d0 [ 491.453913][ T5103] _raw_spin_lock_irqsave+0x99/0xd0 [ 491.453914][ T5103] down_trylock+0x13/0x70 [ 491.453915][ T5103] __down_trylock_console_sem+0x93/0x190 [ 491.453915][ T5103] console_trylock+0x11/0x50 [ 491.453917][ T5103] vprintk_emit+0x18d/0x560 [ 491.453917][ T5103] vprintk_default+0x1a/0x20 [ 491.453918][ T5103] vprintk_func+0x49/0x12c [ 491.453919][ T5103] printk+0x9a/0xc0 [ 491.453920][ T5103] __warn_printk+0x86/0xd6 [ 491.453921][ T5103] debug_print_object+0x168/0x210 [ 491.453922][ T5103] debug_check_no_obj_freed+0x264/0x472 [ 491.453923][ T5103] kfree+0xbd/0x220 [ 491.453924][ T5103] kvfree+0x2c/0x30 [ 491.453925][ T5103] netdev_freemem+0x47/0x60 [ 491.453926][ T5103] netdev_release+0x6c/0x90 [ 491.453927][ T5103] device_release+0x6a/0x1c0 [ 491.453928][ T5103] kobject_put.cold.8+0x229/0x27c [ 491.453928][ T5103] netdev_run_todo+0x459/0x6a0 [ 491.453929][ T5103] rtnl_unlock+0x9/0x10 [ 491.453930][ T5103] default_device_exit_batch+0x2e9/0x3d0 [ 491.453931][ T5103] ops_exit_list.isra.5+0xd3/0x120 [ 491.453932][ T5103] cleanup_net+0x363/0x850 [ 491.453933][ T5103] process_one_work+0x830/0x16a0 [ 491.453934][ T5103] worker_thread+0x85/0xb60 [ 491.453935][ T5103] kthread+0x324/0x3e0 [ 491.453936][ T5103] ret_from_fork+0x24/0x30 [ 491.453936][ T5103] [ 491.453937][ T5103] other info that might help us debug this: [ 491.453938][ T5103] [ 491.453938][ T5103] Chain exists of: [ 491.453939][ T5103] (console_sem).lock --> &rq->lock --> &obj_hash[i].lock [ 491.453944][ T5103] [ 491.453945][ T5103] Possible unsafe locking scenario: [ 491.453945][ T5103] [ 491.453946][ T5103] CPU0 CPU1 [ 491.453947][ T5103] ---- ---- [ 491.453948][ T5103] lock(&obj_hash[i].lock); [ 491.453950][ T5103] lock(&rq->lock); [ 491.453952][ T5103] lock(&obj_hash[i].lock); [ 491.453953][ T5103] lock((console_sem).lock); [ 491.453955][ T5103] [ 491.453956][ T5103] *** DEADLOCK *** [ 491.453957][ T5103] [ 491.453958][ T5103] 4 locks held by kworker/u4:3/5103: [ 491.453958][ T5103] #0: 00000000878da811 ((wq_completion)netns){+.+.}, at: process_one_work+0x762/0x16a0 [ 491.453962][ T5103] #1: 00000000c7041428 (net_cleanup_work){+.+.}, at: process_one_work+0x792/0x16a0 [ 491.453966][ T5103] #2: 0000000053e535ec (pernet_ops_rwsem){++++}, at: cleanup_net+0xb4/0x850 [ 491.453969][ T5103] #3: 000000000386e526 (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xad/0x472 [ 491.453973][ T5103] [ 491.453974][ T5103] stack backtrace: [ 491.453975][ T5103] CPU: 0 PID: 5103 Comm: kworker/u4:3 Not tainted 5.2.0-rc6+ #1 [ 491.453977][ T5103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 491.453977][ T5103] Workqueue: netns cleanup_net [ 491.453979][ T5103] Call Trace: [ 491.453980][ T5103] dump_stack+0x113/0x167 [ 491.453981][ T5103] print_circular_bug.cold.59+0x1bd/0x27d [ 491.453982][ T5103] __lock_acquire+0x3853/0x55b0 [ 491.453982][ T5103] ? mark_held_locks+0x130/0x130 [ 491.453983][ T5103] ? kvm_clock_read+0x18/0x30 [ 491.453984][ T5103] ? kvm_sched_clock_read+0x9/0x20 [ 491.453985][ T5103] ? sched_clock+0x31/0x40 [ 491.453986][ T5103] lock_acquire+0x173/0x3d0 [ 491.453987][ T5103] ? down_trylock+0x13/0x70 [ 491.453987][ T5103] ? vprintk_emit+0x18d/0x560 [ 491.453988][ T5103] ? vprintk_emit+0x18d/0x560 [ 491.453989][ T5103] _raw_spin_lock_irqsave+0x99/0xd0 [ 491.453990][ T5103] ? down_trylock+0x13/0x70 [ 491.453991][ T5103] down_trylock+0x13/0x70 [ 491.453991][ T5103] ? vprintk_emit+0x18d/0x560 [ 491.453992][ T5103] __down_trylock_console_sem+0x93/0x190 [ 491.453993][ T5103] console_trylock+0x11/0x50 [ 491.453994][ T5103] vprintk_emit+0x18d/0x560 [ 491.453995][ T5103] ? calc_wheel_index+0xf0/0xf0 [ 491.453995][ T5103] vprintk_default+0x1a/0x20 [ 491.453996][ T5103] vprintk_func+0x49/0x12c [ 491.453997][ T5103] printk+0x9a/0xc0 [ 491.453998][ T5103] ? kmsg_dump_rewind_nolock+0xdf/0xdf [ 491.453999][ T5103] ? __lock_acquire+0x5d9/0x55b0 [ 491.454000][ T5103] ? queue_work_node+0x270/0x270 [ 491.454000][ T5103] __warn_printk+0x86/0xd6 [ 491.454001][ T5103] ? add_taint.cold.5+0x11/0x11 [ 491.454002][ T5103] ? __free_object+0xe1/0x1f0 [ 491.454003][ T5103] ? lock_downgrade+0x860/0x860 [ 491.454004][ T5103] ? _raw_spin_unlock_irqrestore+0x63/0xd0 [ 491.454005][ T5103] ? queue_work_node+0x270/0x270 [ 491.454006][ T5103] debug_print_object+0x168/0x210 [ 491.454007][ T5103] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 491.454008][ T5103] debug_check_no_obj_freed+0x264/0x472 [ 491.454009][ T5103] kfree+0xbd/0x220 [ 491.454010][ T5103] kvfree+0x2c/0x30 [ 491.454010][ T5103] netdev_freemem+0x47/0x60 [ 491.454011][ T5103] netdev_release+0x6c/0x90 [ 491.454012][ T5103] device_release+0x6a/0x1c0 [ 491.454013][ T5103] kobject_put.cold.8+0x229/0x27c [ 491.454014][ T5103] netdev_run_todo+0x459/0x6a0 [ 491.454015][ T5103] ? kasan_check_write+0x14/0x20 [ 491.454015][ T5103] ? register_netdev+0x30/0x30 [ 491.454016][ T5103] ? unregister_netdevice_queue+0xf3/0x240 [ 491.454017][ T5103] ? net_set_todo+0x2c/0x130 [ 491.454018][ T5103] rtnl_unlock+0x9/0x10 [ 491.454019][ T5103] default_device_exit_batch+0x2e9/0x3d0 [ 491.454020][ T5103] ? unregister_netdevice_many+0x1f0/0x1f0 [ 491.454021][ T5103] ? rtnl_unlock+0x9/0x10 [ 491.454021][ T5103] ? default_device_exit+0x1ac/0x230 [ 491.454022][ T5103] ? do_wait_intr_irq+0x310/0x310 [ 491.454023][ T5103] ops_exit_list.isra.5+0xd3/0x120 [ 491.454024][ T5103] cleanup_net+0x363/0x850 [ 491.454025][ T5103] ? netns_install+0x170/0x170 [ 491.454026][ T5103] process_one_work+0x830/0x16a0 [ 491.454027][ T5103] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 491.454028][ T5103] ? lock_acquire+0x173/0x3d0 [ 491.454028][ T5103] worker_thread+0x85/0xb60 [ 491.454029][ T5103] ? __kthread_parkme+0x47/0x190 [ 491.454030][ T5103] kthread+0x324/0x3e0 [ 491.454031][ T5103] ? process_one_work+0x16a0/0x16a0 [ 491.454032][ T5103] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 491.454033][ T5103] ret_from_fork+0x24/0x30 [ 491.455874][ T5103] Kernel Offset: disabled [ 492.372784][ T5103] Rebooting in 86400 seconds..