./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1764413409 <...> Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. execve("./syz-executor1764413409", ["./syz-executor1764413409"], 0x7fff62514a80 /* 10 vars */) = 0 brk(NULL) = 0x555556f81000 brk(0x555556f81c40) = 0x555556f81c40 arch_prctl(ARCH_SET_FS, 0x555556f81300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1764413409", 4096) = 28 brk(0x555556fa2c40) = 0x555556fa2c40 brk(0x555556fa3000) = 0x555556fa3000 mprotect(0x7fdb21a39000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/dev/snd/timer", O_RDONLY) = 3 ioctl(3, SNDRV_TIMER_IOCTL_TREAD_OLD, 0x20000040) = 0 ioctl(3, SNDRV_TIMER_IOCTL_SELECT, 0x20000080) = 0 ioctl(3, SNDRV_TIMER_IOCTL_PARAMS, 0x20000440) = 0 ioctl(3, FIOASYNC, [-256]) = 0 ioctl(3, SNDRV_TIMER_IOCTL_START, 0) = 0 open(".", O_RDONLY) = 4 fcntl(4, F_SETOWN, -1) = 0 fcntl(4, F_NOTIFY, DN_ACCESS|DN_CREATE|DN_ATTRIB) = 0 creat("./file0", 000) = 5 openat(AT_FDCWD, "/dev/dsp", O_WRONLY|O_EXCL|O_DSYNC|O_NOATIME) = 6 write(6, "\x7f\x45\x4c\x46\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x38\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1368) = 1368 exit_group(0) = ? syzkaller login: [ 43.615380][ C1] [ 43.617724][ C1] ======================================================== [ 43.624899][ C1] WARNING: possible irq lock inversion dependency detected [ 43.632063][ C1] 5.19.0-syzkaller-02972-g200e340f2196 #0 Not tainted [ 43.638796][ C1] -------------------------------------------------------- [ 43.645970][ C1] swapper/1/0 just changed the state of lock: [ 43.652006][ C1] ffff88814a057110 (&group->lock){..-.}-{2:2}, at: snd_pcm_period_elapsed+0x2c/0x210 [ 43.661469][ C1] but this lock took another, SOFTIRQ-READ-unsafe lock in the past: [ 43.669413][ C1] (tasklist_lock){.+.+}-{2:2} [ 43.669428][ C1] [ 43.669428][ C1] [ 43.669428][ C1] and interrupts could create inverse lock ordering between them. [ 43.669428][ C1] [ 43.688449][ C1] [ 43.688449][ C1] other info that might help us debug this: [ 43.696493][ C1] Chain exists of: [ 43.696493][ C1] &group->lock --> &timer->lock --> tasklist_lock [ 43.696493][ C1] [ 43.708801][ C1] Possible interrupt unsafe locking scenario: [ 43.708801][ C1] [ 43.717094][ C1] CPU0 CPU1 [ 43.722436][ C1] ---- ---- [ 43.727796][ C1] lock(tasklist_lock); [ 43.732014][ C1] local_irq_disable(); [ 43.738741][ C1] lock(&group->lock); [ 43.745391][ C1] lock(&timer->lock); [ 43.752125][ C1] [ 43.755655][ C1] lock(&group->lock); [ 43.759968][ C1] [ 43.759968][ C1] *** DEADLOCK *** [ 43.759968][ C1] [ 43.768098][ C1] no locks held by swapper/1/0. [ 43.772927][ C1] [ 43.772927][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 43.782289][ C1] -> (tasklist_lock){.+.+}-{2:2} { [ 43.787749][ C1] HARDIRQ-ON-R at: [ 43.792068][ C1] lock_acquire+0x1a7/0x400 [ 43.798907][ C1] _raw_read_lock+0x32/0x40 [ 43.805755][ C1] do_wait+0x224/0x9d0 [ 43.812151][ C1] kernel_wait+0xe4/0x230 [ 43.818803][ C1] call_usermodehelper_exec_work+0xb4/0x220 [ 43.827019][ C1] process_one_work+0x81c/0xd10 [ 43.834190][ C1] worker_thread+0xb14/0x1330 [ 43.841191][ C1] kthread+0x266/0x300 [ 43.847583][ C1] ret_from_fork+0x1f/0x30 [ 43.854319][ C1] SOFTIRQ-ON-R at: [ 43.858624][ C1] lock_acquire+0x1a7/0x400 [ 43.865448][ C1] _raw_read_lock+0x32/0x40 [ 43.872273][ C1] do_wait+0x224/0x9d0 [ 43.878661][ C1] kernel_wait+0xe4/0x230 [ 43.885320][ C1] call_usermodehelper_exec_work+0xb4/0x220 [ 43.893534][ C1] process_one_work+0x81c/0xd10 [ 43.900708][ C1] worker_thread+0xb14/0x1330 [ 43.907793][ C1] kthread+0x266/0x300 [ 43.914180][ C1] ret_from_fork+0x1f/0x30 [ 43.920919][ C1] INITIAL USE at: [ 43.925147][ C1] lock_acquire+0x1a7/0x400 [ 43.931883][ C1] _raw_write_lock_irq+0xcf/0x110 [ 43.939136][ C1] copy_process+0x244f/0x3fe0 [ 43.946068][ C1] kernel_clone+0x22f/0x7a0 [ 43.953237][ C1] user_mode_thread+0x12d/0x190 [ 43.960319][ C1] rest_init+0x21/0x270 [ 43.966708][ C1] start_kernel+0x0/0x55b [ 43.973270][ C1] start_kernel+0x4ac/0x55b [ 43.980005][ C1] secondary_startup_64_no_verify+0xcf/0xdb [ 43.988132][ C1] INITIAL READ USE at: [ 43.992791][ C1] lock_acquire+0x1a7/0x400 [ 43.999969][ C1] _raw_read_lock+0x32/0x40 [ 44.007150][ C1] do_wait+0x224/0x9d0 [ 44.013886][ C1] kernel_wait+0xe4/0x230 [ 44.020879][ C1] call_usermodehelper_exec_work+0xb4/0x220 [ 44.029437][ C1] process_one_work+0x81c/0xd10 [ 44.036953][ C1] worker_thread+0xb14/0x1330 [ 44.044294][ C1] kthread+0x266/0x300 [ 44.051026][ C1] ret_from_fork+0x1f/0x30 [ 44.058124][ C1] } [ 44.060958][ C1] ... key at: [] tasklist_lock+0x18/0x40 [ 44.069100][ C1] ... acquired at: [ 44.073226][ C1] lock_acquire+0x1a7/0x400 [ 44.077880][ C1] _raw_read_lock+0x32/0x40 [ 44.082536][ C1] send_sigio+0xbe/0x300 [ 44.086935][ C1] dnotify_handle_event+0x136/0x450 [ 44.092286][ C1] fsnotify+0xd1e/0x1360 [ 44.096679][ C1] path_openat+0x147d/0x2da0 [ 44.101419][ C1] do_filp_open+0x275/0x500 [ 44.106112][ C1] do_sys_openat2+0x13b/0x500 [ 44.110942][ C1] __x64_sys_creat+0x11f/0x160 [ 44.115859][ C1] do_syscall_64+0x2b/0x70 [ 44.120440][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.126482][ C1] [ 44.128784][ C1] -> (&f->f_owner.lock){....}-{2:2} { [ 44.134404][ C1] INITIAL USE at: [ 44.138634][ C1] lock_acquire+0x1a7/0x400 [ 44.145197][ C1] _raw_write_lock_irq+0xcf/0x110 [ 44.152279][ C1] f_modown+0x38/0x340 [ 44.158407][ C1] f_setown+0x113/0x1a0 [ 44.164622][ C1] do_fcntl+0x128/0x1370 [ 44.170921][ C1] __se_sys_fcntl+0xd5/0x1b0 [ 44.177578][ C1] do_syscall_64+0x2b/0x70 [ 44.184066][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.192019][ C1] INITIAL READ USE at: [ 44.196584][ C1] lock_acquire+0x1a7/0x400 [ 44.203596][ C1] _raw_read_lock_irqsave+0xd9/0x120 [ 44.211396][ C1] send_sigio+0x2f/0x300 [ 44.218128][ C1] kill_fasync+0x1e4/0x430 [ 44.225037][ C1] snd_timer_user_ccallback+0x370/0x540 [ 44.233073][ C1] snd_timer_notify1+0x1ad/0x350 [ 44.240502][ C1] snd_timer_start1+0x53d/0x640 [ 44.247855][ C1] __snd_timer_user_ioctl+0xae7/0x54c0 [ 44.255817][ C1] snd_timer_user_ioctl+0x5d/0x80 [ 44.263331][ C1] __se_sys_ioctl+0xfb/0x170 [ 44.270413][ C1] do_syscall_64+0x2b/0x70 [ 44.277411][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.285797][ C1] } [ 44.288530][ C1] ... key at: [] __alloc_file.__key+0x0/0x10 [ 44.296845][ C1] ... acquired at: [ 44.300895][ C1] lock_acquire+0x1a7/0x400 [ 44.305553][ C1] _raw_read_lock_irqsave+0xd9/0x120 [ 44.310987][ C1] send_sigio+0x2f/0x300 [ 44.315380][ C1] kill_fasync+0x1e4/0x430 [ 44.319957][ C1] snd_timer_user_ccallback+0x370/0x540 [ 44.325655][ C1] snd_timer_notify1+0x1ad/0x350 [ 44.330741][ C1] snd_timer_start1+0x53d/0x640 [ 44.335736][ C1] __snd_timer_user_ioctl+0xae7/0x54c0 [ 44.341343][ C1] snd_timer_user_ioctl+0x5d/0x80 [ 44.346513][ C1] __se_sys_ioctl+0xfb/0x170 [ 44.351253][ C1] do_syscall_64+0x2b/0x70 [ 44.355817][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.361859][ C1] [ 44.364161][ C1] -> (&new->fa_lock){....}-{2:2} { [ 44.369429][ C1] INITIAL READ USE at: [ 44.373903][ C1] lock_acquire+0x1a7/0x400 [ 44.380729][ C1] _raw_read_lock_irqsave+0xd9/0x120 [ 44.388344][ C1] kill_fasync+0x13b/0x430 [ 44.395078][ C1] snd_timer_user_ccallback+0x370/0x540 [ 44.402943][ C1] snd_timer_notify1+0x1ad/0x350 [ 44.410196][ C1] snd_timer_start1+0x53d/0x640 [ 44.417362][ C1] __snd_timer_user_ioctl+0xae7/0x54c0 [ 44.425142][ C1] snd_timer_user_ioctl+0x5d/0x80 [ 44.432484][ C1] __se_sys_ioctl+0xfb/0x170 [ 44.439391][ C1] do_syscall_64+0x2b/0x70 [ 44.446131][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.454343][ C1] } [ 44.456990][ C1] ... key at: [] fasync_insert_entry.__key+0x0/0x20 [ 44.465812][ C1] ... acquired at: [ 44.469780][ C1] lock_acquire+0x1a7/0x400 [ 44.474431][ C1] _raw_read_lock_irqsave+0xd9/0x120 [ 44.479874][ C1] kill_fasync+0x13b/0x430 [ 44.484446][ C1] snd_timer_user_ccallback+0x370/0x540 [ 44.490142][ C1] snd_timer_notify1+0x1ad/0x350 [ 44.495228][ C1] snd_timer_start1+0x53d/0x640 [ 44.500250][ C1] __snd_timer_user_ioctl+0xae7/0x54c0 [ 44.505872][ C1] snd_timer_user_ioctl+0x5d/0x80 [ 44.511065][ C1] __se_sys_ioctl+0xfb/0x170 [ 44.515826][ C1] do_syscall_64+0x2b/0x70 [ 44.520401][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.526447][ C1] [ 44.528750][ C1] -> (&timer->lock){....}-{2:2} { [ 44.533852][ C1] INITIAL USE at: [ 44.537817][ C1] lock_acquire+0x1a7/0x400 [ 44.544036][ C1] _raw_spin_lock_irqsave+0xd1/0x120 [ 44.551035][ C1] __snd_timer_user_ioctl+0x1a3f/0x54c0 [ 44.558293][ C1] snd_timer_user_ioctl+0x5d/0x80 [ 44.565029][ C1] __se_sys_ioctl+0xfb/0x170 [ 44.571342][ C1] do_syscall_64+0x2b/0x70 [ 44.577469][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.585073][ C1] } [ 44.587634][ C1] ... key at: [] snd_timer_new.__key+0x0/0x20 [ 44.595860][ C1] ... acquired at: [ 44.599753][ C1] lock_acquire+0x1a7/0x400 [ 44.604422][ C1] _raw_spin_lock_irqsave+0xd1/0x120 [ 44.609857][ C1] snd_timer_notify+0x105/0x3e0 [ 44.614874][ C1] snd_pcm_start+0x383/0x400 [ 44.619614][ C1] __snd_pcm_lib_xfer+0x13e0/0x18a0 [ 44.624970][ C1] snd_pcm_oss_write3+0x202/0x390 [ 44.630148][ C1] snd_pcm_oss_sync1+0x3a6/0x7f0 [ 44.635237][ C1] snd_pcm_oss_sync+0x9cf/0xf00 [ 44.640245][ C1] snd_pcm_oss_release+0x119/0x270 [ 44.645533][ C1] __fput+0x3b9/0x820 [ 44.650120][ C1] task_work_run+0x146/0x1c0 [ 44.654868][ C1] do_exit+0x55e/0x20a0 [ 44.659199][ C1] do_group_exit+0x23b/0x2f0 [ 44.663943][ C1] __x64_sys_exit_group+0x3b/0x40 [ 44.669130][ C1] do_syscall_64+0x2b/0x70 [ 44.673695][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.679736][ C1] [ 44.682036][ C1] -> (&group->lock){..-.}-{2:2} { [ 44.687046][ C1] IN-SOFTIRQ-W at: [ 44.691001][ C1] lock_acquire+0x1a7/0x400 [ 44.697127][ C1] _raw_spin_lock_irqsave+0xd1/0x120 [ 44.704044][ C1] snd_pcm_period_elapsed+0x2c/0x210 [ 44.710951][ C1] dummy_hrtimer_callback+0x87/0x190 [ 44.717862][ C1] __hrtimer_run_queues+0x50b/0xa60 [ 44.724704][ C1] hrtimer_run_softirq+0x1a1/0x580 [ 44.731452][ C1] __do_softirq+0x382/0x793 [ 44.737591][ C1] __irq_exit_rcu+0xec/0x170 [ 44.743827][ C1] irq_exit_rcu+0x5/0x20 [ 44.749702][ C1] sysvec_apic_timer_interrupt+0x91/0xb0 [ 44.756966][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 44.764590][ C1] acpi_idle_enter+0x43d/0x7a0 [ 44.770982][ C1] cpuidle_enter_state+0x517/0xed0 [ 44.777730][ C1] cpuidle_enter+0x59/0x90 [ 44.783771][ C1] do_idle+0x3d2/0x640 [ 44.789477][ C1] cpu_startup_entry+0x15/0x20 [ 44.795866][ C1] start_secondary+0xe4/0xf0 [ 44.802082][ C1] secondary_startup_64_no_verify+0xcf/0xdb [ 44.809607][ C1] INITIAL USE at: [ 44.813478][ C1] lock_acquire+0x1a7/0x400 [ 44.819522][ C1] _raw_spin_lock_irq+0xcf/0x110 [ 44.826006][ C1] snd_pcm_hw_params+0x164/0x1860 [ 44.832569][ C1] snd_pcm_oss_change_params_locked+0x1f21/0x3c80 [ 44.840524][ C1] snd_pcm_oss_write1+0x249/0x1130 [ 44.847182][ C1] vfs_write+0x303/0xcc0 [ 44.852972][ C1] ksys_write+0x19b/0x2c0 [ 44.858838][ C1] do_syscall_64+0x2b/0x70 [ 44.864793][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.872224][ C1] } [ 44.874707][ C1] ... key at: [] snd_pcm_group_init.__key+0x0/0x20 [ 44.883283][ C1] ... acquired at: [ 44.887070][ C1] mark_lock+0x21c/0x350 [ 44.891558][ C1] __lock_acquire+0xb81/0x1f80 [ 44.896470][ C1] lock_acquire+0x1a7/0x400 [ 44.901119][ C1] _raw_spin_lock_irqsave+0xd1/0x120 [ 44.906551][ C1] snd_pcm_period_elapsed+0x2c/0x210 [ 44.911984][ C1] dummy_hrtimer_callback+0x87/0x190 [ 44.917417][ C1] __hrtimer_run_queues+0x50b/0xa60 [ 44.922764][ C1] hrtimer_run_softirq+0x1a1/0x580 [ 44.928022][ C1] __do_softirq+0x382/0x793 [ 44.932675][ C1] __irq_exit_rcu+0xec/0x170 [ 44.937414][ C1] irq_exit_rcu+0x5/0x20 [ 44.941805][ C1] sysvec_apic_timer_interrupt+0x91/0xb0 [ 44.947589][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 44.953716][ C1] acpi_idle_enter+0x43d/0x7a0 [ 44.958631][ C1] cpuidle_enter_state+0x517/0xed0 [ 44.963890][ C1] cpuidle_enter+0x59/0x90 [ 44.968454][ C1] do_idle+0x3d2/0x640 [ 44.972672][ C1] cpu_startup_entry+0x15/0x20 [ 44.977601][ C1] start_secondary+0xe4/0xf0 [ 44.982337][ C1] secondary_startup_64_no_verify+0xcf/0xdb [ 44.988376][ C1] [ 44.990676][ C1] [ 44.990676][ C1] stack backtrace: [ 44.996549][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0 [ 45.005890][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 45.015921][ C1] Call Trace: [ 45.019178][ C1] [ 45.022003][ C1] dump_stack_lvl+0x1e3/0x2cb [ 45.026658][ C1] ? io_notif_register+0x5e7/0x5e7 [ 45.031743][ C1] ? panic+0x76e/0x76e [ 45.035795][ C1] ? print_shortest_lock_dependencies+0x102/0x160 [ 45.042194][ C1] print_irq_inversion_bug+0x58c/0x6f0 [ 45.047630][ C1] ? print_bfs_bug+0x30/0x30 [ 45.052196][ C1] ? stack_trace_save+0x1f0/0x1f0 [ 45.057203][ C1] mark_lock_irq+0x9d2/0xf00 [ 45.061771][ C1] ? save_trace+0xba0/0xba0 [ 45.066250][ C1] ? validate_chain+0x126/0x65c0 [ 45.071184][ C1] ? validate_chain+0x126/0x65c0 [ 45.076098][ C1] ? save_trace+0x5a/0xba0 [ 45.080505][ C1] mark_lock+0x21c/0x350 [ 45.084732][ C1] __lock_acquire+0xb81/0x1f80 [ 45.089502][ C1] lock_acquire+0x1a7/0x400 [ 45.093981][ C1] ? snd_pcm_period_elapsed+0x2c/0x210 [ 45.099422][ C1] ? read_lock_is_recursive+0x10/0x10 [ 45.104788][ C1] ? _raw_spin_lock_irqsave+0xac/0x120 [ 45.110225][ C1] _raw_spin_lock_irqsave+0xd1/0x120 [ 45.115484][ C1] ? snd_pcm_period_elapsed+0x2c/0x210 [ 45.120944][ C1] ? _raw_spin_lock+0x40/0x40 [ 45.125595][ C1] ? rcu_read_lock_sched_held+0x89/0x130 [ 45.131202][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 45.137167][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 45.143038][ C1] snd_pcm_period_elapsed+0x2c/0x210 [ 45.148310][ C1] dummy_hrtimer_callback+0x87/0x190 [ 45.153578][ C1] __hrtimer_run_queues+0x50b/0xa60 [ 45.158765][ C1] ? dummy_hrtimer_pointer+0x160/0x160 [ 45.164203][ C1] ? hrtimer_interrupt+0xfd0/0xfd0 [ 45.169290][ C1] hrtimer_run_softirq+0x1a1/0x580 [ 45.174375][ C1] __do_softirq+0x382/0x793 [ 45.178947][ C1] ? __irq_exit_rcu+0xec/0x170 [ 45.183689][ C1] ? __entry_text_end+0x1feacb/0x1feacb [ 45.189214][ C1] __irq_exit_rcu+0xec/0x170 [ 45.193791][ C1] ? irq_exit_rcu+0x20/0x20 [ 45.198270][ C1] irq_exit_rcu+0x5/0x20 [ 45.202494][ C1] sysvec_apic_timer_interrupt+0x91/0xb0 [ 45.208105][ C1] [ 45.211015][ C1] [ 45.213925][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 45.219884][ C1] RIP: 0010:acpi_idle_enter+0x43d/0x7a0 [ 45.225405][ C1] Code: ff e8 07 1b 53 f7 48 83 e3 08 44 8b 7c 24 04 0f 85 10 01 00 00 e8 c3 c2 59 f7 66 90 e8 2c 16 53 f7 0f 00 2d 55 7c c0 00 fb f4 <4c> 89 e3 48 c1 eb 03 42 80 3c 2b 00 74 08 4c 89 e7 e8 4d e2 a5 f7 [ 45.245419][ C1] RSP: 0018:ffffc90000177c00 EFLAGS: 000002d3 [ 45.251473][ C1] RAX: ffffffff8a350a84 RBX: 0000000000000000 RCX: ffff888011fe1d80 [ 45.259423][ C1] RDX: 0000000000000000 RSI: ffffffff8a8d2fe0 RDI: ffffffff8ae9a7c0 [ 45.267390][ C1] RBP: ffffc90000177cb0 R08: ffffffff8a350a69 R09: ffffed10023fc3b1 [ 45.275337][ C1] R10: ffffed10023fc3b1 R11: 1ffff110023fc3b0 R12: ffffc90000177c40 [ 45.283282][ C1] R13: dffffc0000000000 R14: ffff888011dbe000 R15: 0000000000000001 [ 45.291231][ C1] ? acpi_idle_enter+0x419/0x7a0 [ 45.296144][ C1] ? acpi_idle_enter+0x434/0x7a0 [ 45.301058][ C1] ? intel_idle_xstate+0x90/0x90 [ 45.305973][ C1] cpuidle_enter_state+0x517/0xed0 [ 45.311072][ C1] ? _raw_spin_unlock+0x40/0x40 [ 45.315901][ C1] ? cpuidle_enter_s2idle+0x6b0/0x6b0 +++ exited with 0 +++ [ 45.321263][