#4: ffffffff8c184468 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline] #4: ffffffff8c184468 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2d5/0x620 kernel/rcu/tree_exp.h:837 2 locks held by syz-executor.5/10977: #0: ffff888147dc6460 (sb_writers#5){.+.+}-{0:0}, at: filename_create+0x104/0x490 fs/namei.c:3587 #1: ffff8880397a8488 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:809 [inline] #1: ffff8880397a8488 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: filename_create+0x15a/0x490 fs/namei.c:3592 ============================================= rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (1 GPs behind) idle=6fe/1/0x4000000000000000 softirq=14140/14142 fqs=2 (t=11366 jiffies g=14725 q=906) rcu: rcu_preempt kthread timer wakeup didn't happen for 3733 jiffies! g14725 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=13580 rcu: rcu_preempt kthread starved for 3734 jiffies! g14725 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:I stack:28864 pid: 14 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 schedule_timeout+0x14a/0x250 kernel/time/timer.c:1878 rcu_gp_fqs_loop kernel/rcu/tree.c:1996 [inline] rcu_gp_kthread+0xd21/0x1960 kernel/rcu/tree.c:2169 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8522 Comm: kworker/u4:0 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy6 ieee80211_iface_work RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:163 [inline] RIP: 0010:unwind_next_frame+0x23b/0x1ce0 arch/x86/kernel/unwind_orc.c:443 Code: 8d 43 ff 39 c6 0f 83 bc 13 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 14 bd fd 8e 48 89 f9 48 c1 e9 03 0f b6 0c 01 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 27 84 c9 74 23 48 89 54 24 30 RSP: 0018:ffffc90001ceebd8 EFLAGS: 00000a07 RAX: dffffc0000000000 RBX: 1ffff9200039dd83 RCX: 0000000000000000 RDX: 000000000000bb16 RSI: 000000000000bb16 RDI: ffffffff8f00a96c RBP: 0000000000000001 R08: ffffffff8bff2660 R09: 0000000000000001 R10: fffff5200039dda1 R11: 0000000000086087 R12: ffffc90001ceecf8 R13: ffffc90001ceece5 R14: ffffc90001ceecb0 R15: ffffffff81bb16ba FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f05a14f8000 CR3: 0000000017687000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:431 [inline] ____kasan_kmalloc mm/kasan/common.c:510 [inline] ____kasan_kmalloc mm/kasan/common.c:469 [inline] __kasan_kmalloc+0x9b/0xd0 mm/kasan/common.c:519 kmalloc include/linux/slab.h:595 [inline] kzalloc include/linux/slab.h:720 [inline] cfg80211_inform_single_bss_frame_data+0x302/0xee0 net/wireless/scan.c:2376 cfg80211_inform_bss_frame_data+0xa7/0xb10 net/wireless/scan.c:2437 ieee80211_bss_info_update+0x374/0xb30 net/mac80211/scan.c:190 ieee80211_rx_bss_info net/mac80211/ibss.c:1126 [inline] ieee80211_rx_mgmt_probe_beacon+0xc95/0x16c0 net/mac80211/ibss.c:1615 ieee80211_ibss_rx_queued_mgmt+0xd30/0x1610 net/mac80211/ibss.c:1642 ieee80211_iface_work+0x761/0x9e0 net/mac80211/iface.c:1437 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 NMI backtrace for cpu 1 CPU: 1 PID: 8468 Comm: syz-executor.4 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x13e/0x1d6 lib/dump_stack.c:129 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:342 print_cpu_stall kernel/rcu/tree_stall.h:625 [inline] check_cpu_stall kernel/rcu/tree_stall.h:700 [inline] rcu_pending kernel/rcu/tree.c:3922 [inline] rcu_sched_clock_irq.cold+0x3f1/0x74b kernel/rcu/tree.c:2641 update_process_times+0x16d/0x200 kernel/time/timer.c:1782 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1420 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1601 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:191 Code: 74 24 10 e8 aa 03 3b f8 48 89 ef e8 42 7c 3b f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 13 99 2e f8 65 8b 05 ec 98 e1 76 85 c0 74 0a 5b 5d c3 e8 e0 90 RSP: 0018:ffffc90000dc0c80 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff2093eea RDX: 0000000000000000 RSI: 0000000000000102 RDI: 0000000000000001 RBP: ffff88802fd20218 R08: 0000000000000001 R09: ffffffff90440a5f R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000246 R13: ffff88802fd20218 R14: 0000000000000021 R15: ffff88802fd20108 spin_unlock_irqrestore include/linux/spinlock.h:414 [inline] input_repeat_key+0x118/0x380 drivers/input/input.c:201 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x67c/0xa50 kernel/time/timer.c:1731 __run_timers kernel/time/timer.c:1712 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1744 __do_softirq+0x29b/0x9fb kernel/softirq.c:559 invoke_softirq kernel/softirq.c:433 [inline] __irq_exit_rcu+0x136/0x200 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:191 Code: 74 24 10 e8 aa 03 3b f8 48 89 ef e8 42 7c 3b f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 13 99 2e f8 65 8b 05 ec 98 e1 76 85 c0 74 0a 5b 5d c3 e8 e0 90 RSP: 0018:ffffc9000186f788 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1bd3131 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffffff8c27b780 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817be7f8 R11: 0000000000000000 R12: ffff888017f40a71 R13: ffff888017f40a90 R14: 0000000000000000 R15: 0000000000000004 spin_unlock_irqrestore include/linux/spinlock.h:414 [inline] free_percpu mm/percpu.c:2299 [inline] free_percpu+0x839/0x1160 mm/percpu.c:2252 xt_percpu_counter_free+0x96/0xc0 net/netfilter/x_tables.c:1889 cleanup_entry+0x284/0x340 net/ipv6/netfilter/ip6_tables.c:672 __do_replace+0x637/0x890 net/ipv6/netfilter/ip6_tables.c:1101 do_replace net/ipv6/netfilter/ip6_tables.c:1156 [inline] do_ip6t_set_ctl+0x90d/0xb90 net/ipv6/netfilter/ip6_tables.c:1638 nf_setsockopt+0x83/0xe0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x122/0x180 net/ipv6/ipv6_sockglue.c:1008 tcp_setsockopt+0x136/0x24a0 net/ipv4/tcp.c:3656 __sys_setsockopt+0x2db/0x610 net/socket.c:2117 __do_sys_setsockopt net/socket.c:2128 [inline] __se_sys_setsockopt net/socket.c:2125 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2125 do_syscall_64+0x31/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x467c1a Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc74d53518 EFLAGS: 00000206 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 0000000000467c1a RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007ffc74d53540 R08: 00000000000003b8 R09: 0079746972756365 R10: 00000000005446a0 R11: 0000000000000206 R12: 00007ffc74d535a0 R13: 0000000000000003 R14: 00007ffc74d5353c R15: 0000000000544640 task:systemd state:D stack:22720 pid: 1 ppid: 0 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6083 __mutex_lock_common kernel/locking/mutex.c:1026 [inline] __mutex_lock+0x81f/0x1120 kernel/locking/mutex.c:1096 kernfs_iop_permission+0x5f/0xb0 fs/kernfs/inode.c:287 do_inode_permission fs/namei.c:446 [inline] inode_permission.part.0+0x236/0x440 fs/namei.c:513 inode_permission fs/namei.c:494 [inline] may_lookup fs/namei.c:1659 [inline] link_path_walk.part.0+0x800/0xc90 fs/namei.c:2211 link_path_walk fs/namei.c:2194 [inline] path_openat+0x255/0x27d0 fs/namei.c:3490 do_filp_open+0x190/0x3d0 fs/namei.c:3521 do_sys_openat2+0x16d/0x420 fs/open.c:1196 do_sys_open fs/open.c:1212 [inline] __do_sys_open fs/open.c:1220 [inline] __se_sys_open fs/open.c:1216 [inline] __x64_sys_open+0x119/0x1c0 fs/open.c:1216 do_syscall_64+0x31/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f312162370d RSP: 002b:00007ffeb79c5750 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000563e8c5f1e30 RCX: 00007f312162370d RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 0000563e8c669040 RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000080000 R11: 0000000000000293 R12: 00007f3122d5d7b4 R13: 0000000000000001 R14: 0000563e8c544c00 R15: 0000000000000000 task:kthreadd state:S stack:28072 pid: 2 ppid: 0 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 kthreadd+0x5cc/0x790 kernel/kthread.c:667 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:rcu_gp state:I stack:30192 pid: 3 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:rcu_par_gp state:I stack:30632 pid: 4 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kworker/0:0 state:I stack:26176 pid: 5 ppid: 2 flags:0x00004000 Workqueue: 0x0 (wg-crypt-wg2) Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kworker/0:0H state:I stack:29360 pid: 6 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_highpri) Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kworker/0:2 state:D stack:21584 pid: 8 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6083 __mutex_lock_common kernel/locking/mutex.c:1026 [inline] __mutex_lock+0x81f/0x1120 kernel/locking/mutex.c:1096 kernfs_add_one+0x51/0x4c0 fs/kernfs/dir.c:766 kernfs_create_dir_ns+0x18b/0x220 fs/kernfs/dir.c:1035 sysfs_create_dir_ns+0x127/0x290 fs/sysfs/dir.c:59 create_dir lib/kobject.c:89 [inline] kobject_add_internal+0x2d2/0xa60 lib/kobject.c:255 kobject_add_varg lib/kobject.c:390 [inline] kobject_add+0x150/0x1c0 lib/kobject.c:442 device_add+0x36a/0x2100 drivers/base/core.c:3253 device_create_groups_vargs+0x203/0x280 drivers/base/core.c:3979 device_create_with_groups+0xe3/0x120 drivers/base/core.c:4065 led_classdev_register_ext+0x2ba/0x7c0 drivers/leds/led-class.c:371 led_classdev_register include/linux/leds.h:190 [inline] input_leds_connect+0x4bd/0x860 drivers/input/input-leds.c:139 input_attach_handler+0x180/0x1f0 drivers/input/input.c:1035 input_register_device.cold+0xf0/0x304 drivers/input/input.c:2335 hidinput_connect+0x493d/0x97a0 drivers/hid/hid-input.c:1983 hid_connect+0x958/0xbc0 drivers/hid/hid-core.c:1952 hid_hw_start drivers/hid/hid-core.c:2059 [inline] hid_hw_start+0xa2/0x130 drivers/hid/hid-core.c:2050 hid_device_probe+0x396/0x3f0 drivers/hid/hid-core.c:2291 really_probe+0x291/0xf60 drivers/base/dd.c:576 driver_probe_device+0x298/0x410 drivers/base/dd.c:763 __device_attach_driver+0x203/0x2c0 drivers/base/dd.c:870 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:938 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbe0/0x2100 drivers/base/core.c:3320 hid_add_device+0x344/0x9d0 drivers/hid/hid-core.c:2439 usbhid_probe+0xb88/0x1080 drivers/hid/usbhid/hid-core.c:1409 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:396 really_probe+0x291/0xf60 drivers/base/dd.c:576 driver_probe_device+0x298/0x410 drivers/base/dd.c:763 __device_attach_driver+0x203/0x2c0 drivers/base/dd.c:870 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:938 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbe0/0x2100 drivers/base/core.c:3320 usb_set_configuration+0x113f/0x1910 drivers/usb/core/message.c:2164 usb_generic_driver_probe+0xba/0x100 drivers/usb/core/generic.c:238 usb_probe_device+0xd9/0x2c0 drivers/usb/core/driver.c:293 really_probe+0x291/0xf60 drivers/base/dd.c:576 driver_probe_device+0x298/0x410 drivers/base/dd.c:763 __device_attach_driver+0x203/0x2c0 drivers/base/dd.c:870 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431 __device_attach+0x228/0x4a0 drivers/base/dd.c:938 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491 device_add+0xbe0/0x2100 drivers/base/core.c:3320 usb_new_device.cold+0x721/0x1058 drivers/usb/core/hub.c:2556 hub_port_connect drivers/usb/core/hub.c:5276 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x2357/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 process_scheduled_works kernel/workqueue.c:2337 [inline] worker_thread+0x82b/0x1120 kernel/workqueue.c:2423 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:mm_percpu_wq state:I stack:30632 pid: 10 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:rcu_tasks_kthre state:S stack:29016 pid: 11 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rcu_tasks_kthread+0x4bd/0x6a0 kernel/rcu/tasks.h:211 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:rcu_tasks_trace state:S stack:29624 pid: 12 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rcu_tasks_kthread+0x4bd/0x6a0 kernel/rcu/tasks.h:211 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:ksoftirqd/0 state:R running task stack:25064 pid: 13 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 smpboot_thread_fn+0x328/0x9e0 kernel/smpboot.c:160 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:rcu_preempt state:I stack:28864 pid: 14 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 schedule_timeout+0x14a/0x250 kernel/time/timer.c:1878 rcu_gp_fqs_loop kernel/rcu/tree.c:1996 [inline] rcu_gp_kthread+0xd21/0x1960 kernel/rcu/tree.c:2169 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:migration/0 state:S stack:30568 pid: 15 ppid: 2 flags:0x00004000 Stopper: 0x0 <- 0x0 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 smpboot_thread_fn+0x328/0x9e0 kernel/smpboot.c:160 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:cpuhp/0 state:S stack:27192 pid: 16 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 smpboot_thread_fn+0x328/0x9e0 kernel/smpboot.c:160 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:cpuhp/1 state:S stack:27936 pid: 17 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 smpboot_thread_fn+0x328/0x9e0 kernel/smpboot.c:160 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:migration/1 state:R running task stack:30504 pid: 18 ppid: 2 flags:0x00004000 Stopper: 0x0 <- 0x0 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 smpboot_thread_fn+0x328/0x9e0 kernel/smpboot.c:160 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:ksoftirqd/1 state:R running task stack:25632 pid: 19 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6105 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35 smpboot_thread_fn+0x873/0x9e0 kernel/smpboot.c:163 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kworker/1:0H state:I stack:28936 pid: 21 ppid: 2 flags:0x00004000 Workqueue: 0x0 (kblockd) Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kdevtmpfs state:S stack:26848 pid: 22 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 devtmpfs_work_loop drivers/base/devtmpfs.c:404 [inline] devtmpfsd+0x278/0x2a3 drivers/base/devtmpfs.c:437 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:netns state:I stack:29864 pid: 23 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:inet_frag_wq state:I stack:29920 pid: 24 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kworker/u4:1 state:I stack:23680 pid: 25 ppid: 2 flags:0x00004000 Workqueue: 0x0 (wg-kex-wg1) Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kauditd state:S stack:30144 pid: 37 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 freezable_schedule include/linux/freezer.h:172 [inline] kauditd_thread+0x5fc/0xba0 kernel/audit.c:881 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kworker/u4:3 state:D stack:24520 pid: 95 ppid: 2 flags:0x00004000 Workqueue: phy5 ieee80211_iface_work Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 exp_funnel_lock kernel/rcu/tree_exp.h:313 [inline] synchronize_rcu_expedited+0x5ac/0x620 kernel/rcu/tree_exp.h:837 synchronize_rcu+0x132/0x190 kernel/rcu/tree.c:3788 synchronize_net+0x4c/0x60 net/core/dev.c:10939 __sta_info_destroy+0x2e/0x50 net/mac80211/sta_info.c:1119 ieee80211_ibss_sta_expire net/mac80211/ibss.c:1284 [inline] ieee80211_sta_merge_ibss net/mac80211/ibss.c:1305 [inline] ieee80211_ibss_work+0x625/0xe80 net/mac80211/ibss.c:1711 ieee80211_iface_work+0x893/0x9e0 net/mac80211/iface.c:1459 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:khungtaskd state:S stack:30056 pid: 1640 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 schedule_timeout+0x14a/0x250 kernel/time/timer.c:1878 watchdog+0xf9/0xf50 kernel/hung_task.c:343 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:oom_reaper state:S stack:29592 pid: 1648 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 freezable_schedule include/linux/freezer.h:172 [inline] oom_reaper+0xa63/0xd90 mm/oom_kill.c:646 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:writeback state:I stack:29568 pid: 1649 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kcompactd0 state:S stack:29328 pid: 1651 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 schedule_timeout+0x14a/0x250 kernel/time/timer.c:1878 freezable_schedule_timeout include/linux/freezer.h:192 [inline] kcompactd+0x5ad/0xd10 mm/compaction.c:2906 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kcompactd1 state:S stack:29472 pid: 1652 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 schedule_timeout+0x14a/0x250 kernel/time/timer.c:1878 freezable_schedule_timeout include/linux/freezer.h:192 [inline] kcompactd+0x5ad/0xd10 mm/compaction.c:2906 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:ksmd state:S stack:30080 pid: 1653 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 freezable_schedule include/linux/freezer.h:172 [inline] ksm_scan_thread+0x1ccb/0x4a90 mm/ksm.c:2426 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:khugepaged state:S stack:28064 pid: 1654 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 schedule_timeout+0x14a/0x250 kernel/time/timer.c:1878 freezable_schedule_timeout include/linux/freezer.h:192 [inline] khugepaged_wait_work mm/khugepaged.c:2257 [inline] khugepaged+0x1907/0x5360 mm/khugepaged.c:2276 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:pencrypt_serial state:I stack:30312 pid: 1690 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:pdecrypt_serial state:I stack:30528 pid: 1692 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:cryptd state:I stack:30528 pid: 1694 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kintegrityd state:I stack:29712 pid: 1764 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kblockd state:I stack:29712 pid: 1765 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:blkcg_punt_bio state:I stack:30264 pid: 1767 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:tpm_dev_wq state:I stack:30312 pid: 1854 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:ata_sff state:I stack:29880 pid: 1871 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:md state:I stack:30056 pid: 1905 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:edac-poller state:I stack:29712 pid: 1908 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:ib-comp-wq state:I stack:30536 pid: 2026 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kworker/u5:0 state:I stack:27168 pid: 2028 ppid: 2 flags:0x00004000 Workqueue: 0x0 (hci5) Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:ib-comp-unb-wq state:I stack:29568 pid: 2029 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:ib_mcast state:I stack:29568 pid: 2032 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:ib_nl_sa_wq state:I stack:30576 pid: 2033 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kworker/0:1H state:I stack:28720 pid: 2036 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_highpri) Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:rpciod state:I stack:29568 pid: 2037 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:xprtiod state:I stack:30576 pid: 2038 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:cfg80211 state:I stack:29568 pid: 2041 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kswapd0 state:S stack:30328 pid: 2145 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 kswapd_try_to_sleep mm/vmscan.c:4033 [inline] kswapd+0xbbb/0xdb0 mm/vmscan.c:4094 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kswapd1 state:S stack:29672 pid: 2146 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 kswapd_try_to_sleep mm/vmscan.c:4033 [inline] kswapd+0xbbb/0xdb0 mm/vmscan.c:4094 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:ecryptfs-kthrea state:S stack:30424 pid: 2150 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 freezable_schedule include/linux/freezer.h:172 [inline] ecryptfs_threadfn+0x3e6/0x630 fs/ecryptfs/kthread.c:48 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:nfsiod state:I stack:30528 pid: 2153 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:cifsiod state:I stack:29920 pid: 2154 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:smb3decryptd state:I stack:30576 pid: 2155 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:cifsfileinfoput state:I stack:30576 pid: 2156 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:cifsoplockd state:I stack:30528 pid: 2157 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:deferredclose state:I stack:30528 pid: 2158 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:cifs-dfscache state:I stack:30528 pid: 2159 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:jfsIO state:S stack:30232 pid: 2165 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 jfsIOWait+0x18e/0x3b0 fs/jfs/jfs_logmgr.c:2340 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:jfsCommit state:S stack:29880 pid: 2166 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 jfs_lazycommit+0x335/0xba0 fs/jfs/jfs_txnmgr.c:2789 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:jfsCommit state:S stack:29560 pid: 2167 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 jfs_lazycommit+0x335/0xba0 fs/jfs/jfs_txnmgr.c:2789 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:jfsSync state:S stack:30632 pid: 2168 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 jfs_sync+0x4f9/0x810 fs/jfs/jfs_txnmgr.c:2975 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:xfsalloc state:I stack:30232 pid: 2169 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:xfs_mru_cache state:I stack:30264 pid: 2172 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:user_dlm state:I stack:30264 pid: 2175 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:glock_workqueue state:I stack:30576 pid: 2177 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:delete_workqueu state:I stack:30576 pid: 2178 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:gfs_recovery state:I stack:30264 pid: 2179 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kthrotld state:I stack:30232 pid: 2184 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:acpi_thermal_pm state:I stack:29568 pid: 2230 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:nfit state:I stack:30264 pid: 2232 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:hwrng state:S stack:30128 pid: 2807 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 add_hwgenerator_randomness+0x1b0/0x220 drivers/char/random.c:2286 hwrng_fillfn+0x1e7/0x2d0 drivers/char/hw_random/core.c:452 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:card1-crtc0 state:S stack:30056 pid: 2815 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 kthread_worker_fn+0x627/0xcf0 kernel/kthread.c:763 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kworker/1:1H state:R running task stack:27376 pid: 2940 ppid: 2 flags:0x00004000 Workqueue: 0x0 (kblockd) Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 worker_thread+0x14c/0x1120 kernel/workqueue.c:2442 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:kworker/1:2 state:D stack:22912 pid: 2954 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6083 __mutex_lock_common kernel/locking/mutex.c:1026 [inline] __mutex_lock+0x81f/0x1120 kernel/locking/mutex.c:1096 kernfs_find_and_get_ns+0x21/0x60 fs/kernfs/dir.c:904 kernfs_find_and_get include/linux/kernfs.h:548 [inline] sysfs_unmerge_group+0x5d/0x160 fs/sysfs/group.c:366 dpm_sysfs_remove+0x62/0xb0 drivers/base/power/sysfs.c:833 device_del+0x20c/0xd40 drivers/base/core.c:3485 device_unregister+0x1f/0xc0 drivers/base/core.c:3541 usb_remove_ep_devs+0x3e/0x80 drivers/usb/core/endpoint.c:188 remove_intf_ep_devs drivers/usb/core/message.c:1261 [inline] usb_disable_device+0x306/0x7b0 drivers/usb/core/message.c:1412 usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2219 hub_port_connect drivers/usb/core/hub.c:5127 [inline] hub_port_connect_change drivers/usb/core/hub.c:5416 [inline] port_event drivers/usb/core/hub.c:5562 [inline] hub_event+0x1c9c/0x4330 drivers/usb/core/hub.c:5644 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:iscsi_eh state:I stack:30536 pid: 2980 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:iscsi_destroy state:I stack:30528 pid: 2982 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 rescuer_thread+0x7a7/0xd30 kernel/workqueue.c:2584 kthread+0x3b1/0x4a0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 task:scsi_eh_0 state:S stack:29920 pid: 2993 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4688 [inline] __schedule+0xb38/0x58c0 kernel/sched/core.c:5945 schedule+0xcf/0x270 kernel/sched/core.c:6024 scsi_error_handler+0x5f8/0x1380 drivers/scsi/scsi_error.c:2234 kthread+0x3b1/0x4a0 kernel/kthread.c:313