#0: ffffffff882766c8 (wdm_mutex){+.+.}-{3:3}, at: wdm_release+0x49/0x420 drivers/usb/class/cdc-wdm.c:764 #1: ffff88810cfe3578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3095 [inline] #1: ffff88810cfe3578 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_port_resume+0x2a6/0x1950 drivers/usb/core/hub.c:3653 1 lock held by syz-executor.1/16355: #0: ffffffff8789aee8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #0: ffffffff8789aee8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4fa/0x620 kernel/rcu/tree_exp.h:840 ============================================= rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (19 ticks this GP) idle=bd5/0/0x3 softirq=60972/60974 fqs=6 (t=10560 jiffies g=88037 q=239) NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.17.0-rc8-syzkaller-00178-g46d2c20b0b10 #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+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1e6/0x230 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:343 print_cpu_stall kernel/rcu/tree_stall.h:604 [inline] check_cpu_stall kernel/rcu/tree_stall.h:688 [inline] rcu_pending kernel/rcu/tree.c:3919 [inline] rcu_sched_clock_irq.cold+0x9f/0x755 kernel/rcu/tree.c:2617 update_process_times+0x16d/0x200 kernel/time/timer.c:1785 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1428 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x3b/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194 Code: 74 24 10 e8 4a 17 53 fb 48 89 ef e8 a2 95 53 fb 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 e3 28 49 fb 65 8b 05 1c 05 2c 7a 85 c0 74 0a 5b 5d c3 e8 50 ca RSP: 0018:ffffc90000158c80 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff150603e RDX: 0000000000000000 RSI: 0000000000000102 RDI: 0000000000000001 RBP: ffff88811c44c218 R08: 0000000000000001 R09: ffffffff8a7ef7af R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000246 R13: ffff88811c44c218 R14: 0000000000000021 R15: ffff88811c44c108 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline] input_repeat_key+0x118/0x380 drivers/input/input.c:201 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x67c/0xa30 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x288/0x9a5 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:116 [inline] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:556 Code: 89 de e8 5d a0 6d fb 84 db 75 ac e8 d4 9d 6d fb e8 3f d1 73 fb eb 0c e8 c8 9d 6d fb 0f 00 2d 11 e2 73 00 e8 bc 9d 6d fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 97 a1 6d fb 48 85 db RSP: 0018:ffffc900000efd18 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881002c1c00 RSI: ffffffff85d66314 RDI: 0000000000000000 RBP: ffff88810036a064 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff814a3478 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88810036a000 R14: ffff88810036a064 R15: ffff88810a4c2004 acpi_idle_enter+0x361/0x500 drivers/acpi/processor_idle.c:692 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_secondary+0x265/0x340 arch/x86/kernel/smpboot.c:272 secondary_startup_64_no_verify+0xc3/0xcb task:init state:S stack:22960 pid: 1 ppid: 0 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 freezable_schedule_hrtimeout_range include/linux/freezer.h:250 [inline] do_sigtimedwait+0x48d/0x7b0 kernel/signal.c:3607 __do_sys_rt_sigtimedwait kernel/signal.c:3651 [inline] __se_sys_rt_sigtimedwait kernel/signal.c:3629 [inline] __x64_sys_rt_sigtimedwait+0x1a2/0x2c0 kernel/signal.c:3629 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f325bfdaac4 RSP: 002b:00007fff7974ee20 EFLAGS: 00000246 ORIG_RAX: 0000000000000080 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f325bfdaac4 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f325c223498 RBP: 00007f325c223490 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 00007fff7974ee88 R13: 00007fff7974ee7c R14: 0000000000000000 R15: 0000000000000000 task:kthreadd state:S stack:28160 pid: 2 ppid: 0 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 kthreadd+0x592/0x750 kernel/kthread.c:734 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:rcu_gp state:I stack:30184 pid: 3 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:rcu_par_gp state:I stack:30760 pid: 4 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kworker/0:0 state:I stack:22296 pid: 5 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 worker_thread+0x159/0x1110 kernel/workqueue.c:2475 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kworker/0:0H state:I stack:29544 pid: 6 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_highpri) Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 worker_thread+0x159/0x1110 kernel/workqueue.c:2475 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:mm_percpu_wq state:I stack:30824 pid: 9 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:rcu_tasks_kthre state:I stack:28992 pid: 10 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rcu_tasks_kthread+0x362/0x4f0 kernel/rcu/tasks.h:512 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:ksoftirqd/0 state:S stack:24872 pid: 11 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:rcu_preempt state:I stack:29456 pid: 12 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881 rcu_gp_fqs_loop+0x184/0x670 kernel/rcu/tree.c:1963 rcu_gp_kthread+0x1a1/0x250 kernel/rcu/tree.c:2136 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:migration/0 state:S stack:30544 pid: 13 ppid: 2 flags:0x00004000 Stopper: 0x0 <- 0x0 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:cpuhp/0 state:S stack:27952 pid: 14 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:cpuhp/1 state:S stack:28032 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:migration/1 state:R running task stack:30184 pid: 16 ppid: 2 flags:0x00004000 Stopper: 0x0 <- 0x0 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:ksoftirqd/1 state:S stack:25536 pid: 17 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 smpboot_thread_fn+0x2eb/0x9c0 kernel/smpboot.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kworker/1:0 state:I stack:24168 pid: 18 ppid: 2 flags:0x00004000 Workqueue: 0x0 (rcu_gp) Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 worker_thread+0x159/0x1110 kernel/workqueue.c:2475 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kworker/1:0H state:I stack:29360 pid: 19 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events_highpri) Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 worker_thread+0x159/0x1110 kernel/workqueue.c:2475 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kdevtmpfs state:S stack:27368 pid: 20 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 devtmpfs_work_loop drivers/base/devtmpfs.c:417 [inline] devtmpfsd+0x286/0x2a3 drivers/base/devtmpfs.c:450 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:netns state:I stack:30760 pid: 21 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:inet_frag_wq state:I stack:30632 pid: 22 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kworker/1:1 state:R running task stack:21760 pid: 23 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 worker_thread+0x159/0x1110 kernel/workqueue.c:2475 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kauditd state:S stack:29592 pid: 24 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 freezable_schedule include/linux/freezer.h:172 [inline] kauditd_thread+0x5f8/0xba0 kernel/audit.c:903 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:khungtaskd state:S stack:29808 pid: 25 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881 watchdog+0xf9/0xf50 kernel/hung_task.c:373 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:oom_reaper state:S stack:30416 pid: 26 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 freezable_schedule include/linux/freezer.h:172 [inline] oom_reaper+0xa66/0xd90 mm/oom_kill.c:649 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:writeback state:I stack:30336 pid: 27 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kcompactd0 state:S stack:29616 pid: 28 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881 freezable_schedule_timeout include/linux/freezer.h:192 [inline] kcompactd+0xa10/0xeb0 mm/compaction.c:2937 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kblockd state:I stack:30336 pid: 29 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:tpm_dev_wq state:I stack:30280 pid: 30 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:ata_sff state:I stack:30336 pid: 31 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:md state:I stack:30760 pid: 32 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:edac-poller state:I stack:30632 pid: 33 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kworker/u4:1 state:I stack:23952 pid: 34 ppid: 2 flags:0x00004000 Workqueue: 0x0 (ext4-rsv-conversion) Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 worker_thread+0x159/0x1110 kernel/workqueue.c:2475 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kworker/1:1H state:I stack:27800 pid: 35 ppid: 2 flags:0x00004000 Workqueue: 0x0 (kblockd) Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 worker_thread+0x159/0x1110 kernel/workqueue.c:2475 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:rpciod state:I stack:30760 pid: 36 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:xprtiod state:I stack:30760 pid: 37 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:cfg80211 state:I stack:30760 pid: 38 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kswapd0 state:S stack:30056 pid: 63 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 kswapd_try_to_sleep mm/vmscan.c:4429 [inline] kswapd+0xc04/0xe10 mm/vmscan.c:4491 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:nfsiod state:I stack:30328 pid: 65 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kworker/1:2 state:I stack:21984 pid: 69 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 worker_thread+0x159/0x1110 kernel/workqueue.c:2475 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:acpi_thermal_pm state:I stack:30632 pid: 102 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:hwrng state:S stack:29448 pid: 149 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881 add_hwgenerator_randomness+0x23e/0x320 drivers/char/random.c:2216 hwrng_fillfn+0x1e7/0x2d0 drivers/char/hw_random/core.c:446 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:scsi_eh_0 state:S stack:29888 pid: 192 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 scsi_error_handler+0x514/0xe80 drivers/scsi/scsi_error.c:2248 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:scsi_tmf_0 state:I stack:30336 pid: 193 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:target_completi state:I stack:30336 pid: 218 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:target_submissi state:I stack:30280 pid: 219 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:xcopy_wq state:I stack:30632 pid: 220 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kworker/0:1H state:I stack:27440 pid: 253 ppid: 2 flags:0x00004000 Workqueue: 0x0 (kblockd) Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 worker_thread+0x159/0x1110 kernel/workqueue.c:2475 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:libertastf state:I stack:30632 pid: 288 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:zd1211rw state:I stack:29848 pid: 307 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:u132 state:I stack:29864 pid: 371 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:uas state:I stack:30336 pid: 383 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:usbip_event state:I stack:30624 pid: 661 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:pvrusb2-context state:S stack:26952 pid: 879 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 pvr2_context_thread_func+0x5de/0x850 drivers/media/usb/pvrusb2/pvrusb2-context.c:160 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kvub300c state:I stack:30632 pid: 919 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kvub300p state:I stack:30632 pid: 920 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kvub300d state:I stack:30336 pid: 921 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kmemstick state:I stack:29864 pid: 925 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:elousb state:I stack:30624 pid: 946 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:mld state:I stack:30336 pid: 1085 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:ipv6_addrconf state:I stack:30144 pid: 1086 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:kworker/0:2 state:I stack:23112 pid: 1130 ppid: 2 flags:0x00004000 Workqueue: 0x0 (events) Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 worker_thread+0x159/0x1110 kernel/workqueue.c:2475 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:jbd2/sda1-8 state:D stack:24808 pid: 1134 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 jbd2_journal_wait_updates+0x20f/0x2b0 fs/jbd2/transaction.c:859 jbd2_journal_commit_transaction+0x73f/0x69b0 fs/jbd2/commit.c:488 kjournald2+0x1d0/0x930 fs/jbd2/journal.c:213 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:ext4-rsv-conver state:I stack:30336 pid: 1135 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 rescuer_thread+0x796/0xd20 kernel/workqueue.c:2617 kthread+0x2ef/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 task:syslogd state:S stack:25992 pid: 1151 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857 __skb_wait_for_more_packets+0x35b/0x5e0 net/core/datagram.c:122 __unix_dgram_recvmsg+0x202/0xb80 net/unix/af_unix.c:2404 sock_recvmsg_nosec net/socket.c:948 [inline] sock_recvmsg net/socket.c:966 [inline] sock_recvmsg net/socket.c:962 [inline] sock_read_iter+0x33c/0x470 net/socket.c:1039 call_read_iter include/linux/fs.h:2068 [inline] new_sync_read+0x5c2/0x6e0 fs/read_write.c:400 vfs_read+0x35c/0x600 fs/read_write.c:481 ksys_read+0x1ee/0x250 fs/read_write.c:619 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ff052e1e8fe RSP: 002b:00007fff635eca98 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff052e1e8fe RDX: 00000000000000ff RSI: 00005629b6199950 RDI: 0000000000000000 RBP: 00005629b6199910 R08: 00007ff052eae040 R09: 00007ff052eae0c0 R10: 00007ff052eadfc0 R11: 0000000000000246 R12: 00005629b61999a1 R13: 00005629b6199950 R14: 0000000000000000 R15: 0000000000000000 task:acpid state:S stack:24144 pid: 1154 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_select+0x11a1/0x16a0 fs/select.c:607 core_sys_select+0x3c2/0x9c0 fs/select.c:681 do_pselect.constprop.0+0x17b/0x1c0 fs/select.c:763 __do_sys_pselect6 fs/select.c:804 [inline] __se_sys_pselect6 fs/select.c:795 [inline] __x64_sys_pselect6+0x17f/0x230 fs/select.c:795 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f8fbe072bf4 RSP: 002b:00007ffc3d9e04f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8fbe072bf4 RDX: 0000000000000000 RSI: 00007ffc3d9e05f8 RDI: 000000000000000a RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc3d9e05f8 R13: 0000000000000040 R14: 0000000000000009 R15: 0000000000000000 task:klogd state:S stack:26312 pid: 1158 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 syslog_print+0x1c2/0x580 kernel/printk/printk.c:1503 do_syslog.part.0+0x202/0x640 kernel/printk/printk.c:1655 do_syslog kernel/printk/printk.c:1745 [inline] __do_sys_syslog kernel/printk/printk.c:1747 [inline] __se_sys_syslog kernel/printk/printk.c:1745 [inline] __x64_sys_syslog+0x97/0xc0 kernel/printk/printk.c:1745 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f949fe7f8b7 RSP: 002b:00007ffda41e9f58 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 RAX: ffffffffffffffda RBX: 00007f94a000c490 RCX: 00007f949fe7f8b7 RDX: 00000000000003ff RSI: 00007f94a000c490 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000007 R09: 000055c8a28eceb0 R10: 0000000000004000 R11: 0000000000000206 R12: 00007f94a000c490 R13: 00007f94a000c4c9 R14: 00007f94a000c4c9 R15: 0000000000000000 task:udevd state:S stack:25976 pid: 1169 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1856 [inline] do_epoll_wait+0x1298/0x1940 fs/eventpoll.c:2234 __do_sys_epoll_wait fs/eventpoll.c:2246 [inline] __se_sys_epoll_wait fs/eventpoll.c:2241 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f311b433e46 RSP: 002b:00007fffdd70a0a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007fffdd70a1a8 RCX: 00007f311b433e46 RDX: 0000000000000008 RSI: 00007fffdd70a1a8 RDI: 000000000000000b RBP: 00005573ad4f8630 R08: 0000000000000007 R09: 00005573ad4f8630 R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 task:dbus-daemon state:S stack:28712 pid: 1192 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 ep_poll fs/eventpoll.c:1856 [inline] do_epoll_wait+0x1298/0x1940 fs/eventpoll.c:2234 __do_sys_epoll_wait fs/eventpoll.c:2246 [inline] __se_sys_epoll_wait fs/eventpoll.c:2241 [inline] __x64_sys_epoll_wait+0x158/0x270 fs/eventpoll.c:2241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f538ca42e46 RSP: 002b:00007ffc7e16a518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007ffc7e16a528 RCX: 00007f538ca42e46 RDX: 0000000000000040 RSI: 00007ffc7e16a528 RDI: 0000000000000003 RBP: 00007ffc7e16a8b8 R08: 000000000000000a R09: 00007ffc7e1bf080 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffc7e16a8b8 R15: 00007ffc7e16ab5c task:dhcpcd state:S stack:27104 pid: 1205 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x195/0x390 kernel/time/hrtimer.c:2305 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_poll fs/select.c:965 [inline] do_sys_poll+0x885/0xeb0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x210/0x280 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc4430719fb RSP: 002b:00007fff8c0fa310 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055b2e46f8e20 RCX: 00007fc4430719fb RDX: 00007fff8c0fa330 RSI: 0000000000000004 RDI: 000055b2e47161f0 RBP: 00007fff8c0fa650 R08: 0000000000000008 R09: 00007fff8c109080 R10: 00007fff8c0fa650 R11: 0000000000000246 R12: 00007fff8c0fa330 R13: 000055b2e3186610 R14: 0000000000000000 R15: 0000000000000000 task:dhcpcd state:S stack:23920 pid: 1206 ppid: 1205 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_poll fs/select.c:965 [inline] do_sys_poll+0x885/0xeb0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x210/0x280 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc4430719fb RSP: 002b:00007fff8c0fa310 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055b2e46f8e20 RCX: 00007fc4430719fb RDX: 0000000000000000 RSI: 0000000000000003 RDI: 000055b2e46f8e00 RBP: 00007fff8c0fa650 R08: 0000000000000008 R09: 000055b2e470d1a0 R10: 00007fff8c0fa650 R11: 0000000000000246 R12: 0000000000000000 R13: 000055b2e3186610 R14: 0000000000000003 R15: 0000000000000000 task:dhcpcd state:S stack:28248 pid: 1207 ppid: 1205 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_poll fs/select.c:965 [inline] do_sys_poll+0x885/0xeb0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x210/0x280 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc4430719fb RSP: 002b:00007fff8c0fa310 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055b2e46f8e20 RCX: 00007fc4430719fb RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000055b2e4702650 RBP: 00007fff8c0fa650 R08: 0000000000000008 R09: 00007fc44313da60 R10: 00007fff8c0fa650 R11: 0000000000000246 R12: 0000000000000000 R13: 000055b2e3186610 R14: 0000000000000003 R15: 0000000000000000 task:dhcpcd state:S stack:28248 pid: 1208 ppid: 1205 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_poll fs/select.c:965 [inline] do_sys_poll+0x885/0xeb0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x210/0x280 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc4430719fb RSP: 002b:00007fff8c0fa310 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055b2e46f8e20 RCX: 00007fc4430719fb RDX: 0000000000000000 RSI: 0000000000000005 RDI: 000055b2e4702650 RBP: 00007fff8c0fa650 R08: 0000000000000008 R09: 00007fc44313da60 R10: 00007fff8c0fa650 R11: 0000000000000246 R12: 0000000000000000 R13: 000055b2e3186610 R14: 0000000000000003 R15: 0000000000000000 task:dhcpcd state:S stack:26000 pid: 1226 ppid: 1206 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_poll fs/select.c:965 [inline] do_sys_poll+0x885/0xeb0 fs/select.c:1015 __do_sys_ppoll fs/select.c:1121 [inline] __se_sys_ppoll fs/select.c:1101 [inline] __x64_sys_ppoll+0x210/0x280 fs/select.c:1101 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fc4430719fb RSP: 002b:00007fff8c0fa310 EFLAGS: 00000246 ORIG_RAX: 000000000000010f RAX: ffffffffffffffda RBX: 000055b2e46f8e20 RCX: 00007fc4430719fb RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055b2e4703cc0 RBP: 00007fff8c0fa650 R08: 0000000000000008 R09: 00000000800a0142 R10: 00007fff8c0fa650 R11: 0000000000000246 R12: 0000000000000000 R13: 000055b2e3186610 R14: 0000000000000003 R15: 0000000000000000 task:sshd state:S stack:28000 pid: 1228 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x343/0x390 kernel/time/hrtimer.c:2296 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_select+0x11a1/0x16a0 fs/select.c:607 core_sys_select+0x3c2/0x9c0 fs/select.c:681 do_pselect.constprop.0+0x17b/0x1c0 fs/select.c:763 __do_sys_pselect6 fs/select.c:804 [inline] __se_sys_pselect6 fs/select.c:795 [inline] __x64_sys_pselect6+0x17f/0x230 fs/select.c:795 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fe6d09c5d83 RSP: 002b:00007ffee679dbb0 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe6d09c5d83 RDX: 0000000000000000 RSI: 00005626a1d72150 RDI: 0000000000000007 RBP: 00007ffee679dd98 R08: 0000000000000000 R09: 00007ffee679dbf0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000064 R13: 00005626a1d72150 R14: 000000000000018c R15: 00005626a0e69e85 task:getty state:S stack:24144 pid: 1230 ppid: 1 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_timeout+0x1db/0x2a0 kernel/time/timer.c:1857 wait_woken+0x18b/0x1f0 kernel/sched/wait.c:460 n_tty_read+0xeec/0x1230 drivers/tty/n_tty.c:2141 iterate_tty_read drivers/tty/tty_io.c:858 [inline] tty_read+0x33a/0x5d0 drivers/tty/tty_io.c:933 call_read_iter include/linux/fs.h:2068 [inline] new_sync_read+0x429/0x6e0 fs/read_write.c:400 vfs_read+0x35c/0x600 fs/read_write.c:481 ksys_read+0x12d/0x250 fs/read_write.c:619 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f37954bf8fe RSP: 002b:00007ffd59a8df08 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000055ce893e6910 RCX: 00007f37954bf8fe RDX: 0000000000000001 RSI: 00007ffd59a8df20 RDI: 0000000000000000 RBP: 000055ce893e6970 R08: 0000000000000007 R09: 000055ce893e7cd0 R10: 0000000000000063 R11: 0000000000000246 R12: 000055ce893e69ac R13: 00007ffd59a8df20 R14: 0000000000000000 R15: 000055ce893e69ac task:sshd state:S stack:26040 pid: 1268 ppid: 1228 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x195/0x390 kernel/time/hrtimer.c:2305 poll_schedule_timeout.constprop.0+0xb9/0x190 fs/select.c:244 do_select+0x11a1/0x16a0 fs/select.c:607 core_sys_select+0x3c2/0x9c0 fs/select.c:681 do_pselect.constprop.0+0x17b/0x1c0 fs/select.c:763 __do_sys_pselect6 fs/select.c:804 [inline] __se_sys_pselect6 fs/select.c:795 [inline] __x64_sys_pselect6+0x17f/0x230 fs/select.c:795 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f137e0f7d83 RSP: 002b:00007ffd6b4be2f0 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 00000000000668a0 RCX: 00007f137e0f7d83 RDX: 00005618ca7a27a0 RSI: 00005618ca7a4a10 RDI: 000000000000000a RBP: 00005618ca7b60d0 R08: 00007ffd6b4be320 R09: 00007ffd6b4be330 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000001 R14: 00007ffd6b4be3a8 R15: 00007ffd6b4be428 task:syz-fuzzer state:S stack:25048 pid: 1270 ppid: 1268 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 schedule_hrtimeout_range_clock+0x195/0x390 kernel/time/hrtimer.c:2305 ep_poll fs/eventpoll.c:1856 [inline] do_epoll_wait+0x1298/0x1940 fs/eventpoll.c:2234 do_compat_epoll_pwait.part.0+0x29/0x1d0 fs/eventpoll.c:2268 do_epoll_pwait fs/eventpoll.c:2275 [inline] __do_sys_epoll_pwait fs/eventpoll.c:2281 [inline] __se_sys_epoll_pwait fs/eventpoll.c:2275 [inline] __x64_sys_epoll_pwait+0x1cf/0x310 fs/eventpoll.c:2275 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x466ae0 RSP: 002b:00007fff836e0520 EFLAGS: 00000246 ORIG_RAX: 0000000000000119 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000466ae0 RDX: 0000000000000080 RSI: 00007fff836e0578 RDI: 0000000000000003 RBP: 00007fff836e0b78 R08: 0000000000000000 R09: 000000e21a157ebd R10: 00000000000003a1 R11: 0000000000000246 R12: 00007fff836e05a8 R13: 0000000000000000 R14: 00000000018292e0 R15: 0000000000000000 task:syz-fuzzer state:S stack:25648 pid: 1271 ppid: 1268 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue+0x144/0x3b0 kernel/futex/waitwake.c:355 futex_wait+0x2c9/0x670 kernel/futex/waitwake.c:656 do_futex+0x1af/0x300 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex kernel/futex/syscalls.c:164 [inline] __x64_sys_futex+0x1b0/0x4a0 kernel/futex/syscalls.c:164 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4668c3 RSP: 002b:000000c000041e78 EFLAGS: 00000202 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000182ae38 RBP: 000000c000041ec0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000c000041eb0 R11: 0000000000000202 R12: 000000c000041eb0 R13: 000000c00c972c00 R14: 000000c0000004e0 R15: 00007f2e49990a5b task:syz-fuzzer state:S stack:28664 pid: 1272 ppid: 1268 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue+0x144/0x3b0 kernel/futex/waitwake.c:355 futex_wait+0x2c9/0x670 kernel/futex/waitwake.c:656 do_futex+0x1af/0x300 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex kernel/futex/syscalls.c:164 [inline] __x64_sys_futex+0x1b0/0x4a0 kernel/futex/syscalls.c:164 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4668c3 RSP: 002b:000000c000043e40 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004668c3 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000032550 RBP: 000000c000043e88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 000000000043d100 R13: 0000000000000000 R14: 000000c000000820 R15: 00007f2e51e2a31b task:syz-fuzzer state:S stack:29224 pid: 1273 ppid: 1268 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:4995 [inline] __schedule+0x931/0x22e0 kernel/sched/core.c:6304 schedule+0xd2/0x260 kernel/sched/core.c:6377 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue+0x144/0x3b0 kernel/futex/waitwake.c:355 futex_wait+0x2c9/0x670 kernel/futex/waitwake.c:656 do_futex+0x1af/0x300 kernel/futex/syscalls.c:106 ---------------- Code disassembly (best guess): 0: 74 24 je 0x26 2: 10 e8 adc %ch,%al 4: 4a 17 rex.WX (bad) 6: 53 push %rbx 7: fb sti 8: 48 89 ef mov %rbp,%rdi b: e8 a2 95 53 fb callq 0xfb5395b2 10: 81 e3 00 02 00 00 and $0x200,%ebx 16: 75 25 jne 0x3d 18: 9c pushfq 19: 58 pop %rax 1a: f6 c4 02 test $0x2,%ah 1d: 75 2d jne 0x4c 1f: 48 85 db test %rbx,%rbx 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 e3 28 49 fb callq 0xfb492912 <-- trapping instruction 2f: 65 8b 05 1c 05 2c 7a mov %gs:0x7a2c051c(%rip),%eax # 0x7a2c0552 36: 85 c0 test %eax,%eax 38: 74 0a je 0x44 3a: 5b pop %rbx 3b: 5d pop %rbp 3c: c3 retq 3d: e8 .byte 0xe8 3e: 50 push %rax 3f: ca .byte 0xca