./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2758752355 <...> Warning: Permanently added '10.128.0.103' (ED25519) to the list of known hosts. execve("./syz-executor2758752355", ["./syz-executor2758752355"], 0x7ffcd5bb0120 /* 10 vars */) = 0 brk(NULL) = 0x55558bb24000 brk(0x55558bb24d00) = 0x55558bb24d00 arch_prctl(ARCH_SET_FS, 0x55558bb24380) = 0 set_tid_address(0x55558bb24650) = 5073 set_robust_list(0x55558bb24660, 24) = 0 rseq(0x55558bb24ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2758752355", 4096) = 28 getrandom("\x6a\x08\xf5\x07\x7e\xa1\x8c\x6c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558bb24d00 brk(0x55558bb45d00) = 0x55558bb45d00 brk(0x55558bb46000) = 0x55558bb46000 mprotect(0x7f96976f3000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached [pid 5074] set_robust_list(0x55558bb24660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x55558bb24650) = 5074 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5074] setpgid(0, 0) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] openat(AT_FDCWD, "/dev/sequencer", O_WRONLY|O_SYNC|O_LARGEFILE) = 3 [pid 5074] openat(AT_FDCWD, "/dev/dsp", O_RDWR|O_CREAT, 000) = 4 [pid 5074] write(4, "\x5c\xba\x91\xa4\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\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"..., 4294967257 [pid 5073] kill(-5074, SIGKILL) = 0 [pid 5074] <... write resumed>) = ? [pid 5073] kill(5074, SIGKILL) = 0 [ 78.412971][ T5074] [ 78.415349][ T5074] ======================================================== [ 78.422558][ T5074] WARNING: possible irq lock inversion dependency detected [ 78.429749][ T5074] 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted [ 78.436430][ T5074] -------------------------------------------------------- [ 78.443627][ T5074] syz-executor275/5074 just changed the state of lock: [ 78.450512][ T5074] ffff888029760148 (&timer->lock){+.+.}-{2:2}, at: snd_timer_close_locked+0x53/0x8d0 [ 78.460038][ T5074] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 78.468089][ T5074] (&group->lock#2){..-.}-{2:2} [ 78.468127][ T5074] [ 78.468127][ T5074] [ 78.468127][ T5074] and interrupts could create inverse lock ordering between them. [ 78.468127][ T5074] [ 78.487258][ T5074] [ 78.487258][ T5074] other info that might help us debug this: [ 78.495401][ T5074] Possible interrupt unsafe locking scenario: [ 78.495401][ T5074] [ 78.503729][ T5074] CPU0 CPU1 [ 78.509170][ T5074] ---- ---- [ 78.514526][ T5074] lock(&timer->lock); [ 78.518692][ T5074] local_irq_disable(); [ 78.525447][ T5074] lock(&group->lock#2); [ 78.532310][ T5074] lock(&timer->lock); [ 78.538992][ T5074] [ 78.542434][ T5074] lock(&group->lock#2); [ 78.546945][ T5074] [ 78.546945][ T5074] *** DEADLOCK *** [ 78.546945][ T5074] [ 78.555188][ T5074] 3 locks held by syz-executor275/5074: [ 78.560722][ T5074] #0: ffffffff8f2e5728 (register_mutex#4){+.+.}-{3:3}, at: odev_release+0x4e/0x80 [ 78.570067][ T5074] #1: ffff88802b66e578 (&q->timer_mutex){+.+.}-{3:3}, at: snd_seq_queue_delete+0x5b/0xf0 [ 78.580020][ T5074] #2: ffffffff8f2d3f68 (register_mutex){+.+.}-{3:3}, at: snd_timer_close+0xa3/0x130 [ 78.589614][ T5074] [ 78.589614][ T5074] the shortest dependencies between 2nd lock and 1st lock: [ 78.599087][ T5074] -> (&group->lock#2){..-.}-{2:2} { [ 78.604405][ T5074] IN-SOFTIRQ-W at: [ 78.608463][ T5074] lock_acquire+0x1e4/0x530 [ 78.614792][ T5074] _raw_spin_lock_irqsave+0xd5/0x120 [ 78.621952][ T5074] snd_pcm_period_elapsed+0x21/0x50 [ 78.628982][ T5074] dummy_hrtimer_callback+0x7f/0x180 [ 78.636098][ T5074] __hrtimer_run_queues+0x597/0xd00 [ 78.643124][ T5074] hrtimer_run_softirq+0x19a/0x2c0 [ 78.650069][ T5074] __do_softirq+0x2be/0x943 [ 78.656394][ T5074] __irq_exit_rcu+0xf2/0x1c0 [ 78.662803][ T5074] irq_exit_rcu+0x9/0x30 [ 78.668865][ T5074] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 78.676383][ T5074] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 78.684215][ T5074] acpi_safe_halt+0x21/0x30 [ 78.690541][ T5074] acpi_idle_enter+0xe4/0x140 [ 78.697043][ T5074] cpuidle_enter_state+0x11a/0x490 [ 78.703996][ T5074] cpuidle_enter+0x5d/0xa0 [ 78.710253][ T5074] do_idle+0x375/0x5d0 [ 78.716145][ T5074] cpu_startup_entry+0x42/0x60 [ 78.722752][ T5074] rest_init+0x2e0/0x300 [ 78.728824][ T5074] arch_call_rest_init+0xe/0x10 [ 78.735496][ T5074] start_kernel+0x47a/0x500 [ 78.741829][ T5074] x86_64_start_reservations+0x2a/0x30 [ 78.749130][ T5074] x86_64_start_kernel+0x99/0xa0 [ 78.755980][ T5074] common_startup_64+0x13e/0x147 [ 78.762747][ T5074] INITIAL USE at: [ 78.766728][ T5074] lock_acquire+0x1e4/0x530 [ 78.772992][ T5074] _raw_spin_lock_irq+0xd3/0x120 [ 78.779692][ T5074] snd_pcm_hw_params+0x201/0x1ea0 [ 78.786463][ T5074] snd_pcm_oss_change_params_locked+0x20d5/0x3e00 [ 78.794634][ T5074] snd_pcm_oss_write+0x2d5/0x11f0 [ 78.801428][ T5074] vfs_write+0x2a6/0xcb0 [ 78.807423][ T5074] ksys_write+0x1a0/0x2c0 [ 78.813518][ T5074] do_syscall_64+0xfd/0x240 [ 78.819759][ T5074] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 78.827392][ T5074] } [ 78.829972][ T5074] ... key at: [] snd_pcm_group_init.__key+0x0/0x20 [ 78.838663][ T5074] ... acquired at: [ 78.842547][ T5074] lock_acquire+0x1e4/0x530 [ 78.847225][ T5074] _raw_spin_lock_irqsave+0xd5/0x120 [ 78.852786][ T5074] snd_timer_notify+0x103/0x3d0 [ 78.857818][ T5074] snd_pcm_start+0x3fc/0x4c0 [ 78.862674][ T5074] __snd_pcm_lib_xfer+0x18bf/0x1e30 [ 78.868102][ T5074] snd_pcm_oss_write3+0x1c4/0x350 [ 78.873317][ T5074] snd_pcm_oss_write+0xaf9/0x11f0 [ 78.878623][ T5074] vfs_write+0x2a6/0xcb0 [ 78.883043][ T5074] ksys_write+0x1a0/0x2c0 [ 78.887547][ T5074] do_syscall_64+0xfd/0x240 [ 78.892215][ T5074] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 78.898280][ T5074] [ 78.900593][ T5074] -> (&timer->lock){+.+.}-{2:2} { [ 78.905658][ T5074] HARDIRQ-ON-W at: [ 78.909636][ T5074] lock_acquire+0x1e4/0x530 [ 78.915788][ T5074] _raw_spin_lock+0x2e/0x40 [ 78.921949][ T5074] snd_timer_close_locked+0x53/0x8d0 [ 78.928972][ T5074] snd_timer_close+0xae/0x130 [ 78.935334][ T5074] snd_seq_timer_close+0xa9/0xe0 [ 78.941918][ T5074] snd_seq_queue_delete+0x8f/0xf0 [ 78.948597][ T5074] snd_seq_oss_release+0x1d3/0x310 [ 78.955363][ T5074] odev_release+0x56/0x80 [ 78.961358][ T5074] __fput+0x42b/0x8a0 [ 78.966990][ T5074] task_work_run+0x251/0x310 [ 78.973234][ T5074] do_exit+0xa1b/0x27e0 [ 78.979049][ T5074] do_group_exit+0x207/0x2c0 [ 78.985293][ T5074] get_signal+0x176e/0x1850 [ 78.991451][ T5074] arch_do_signal_or_restart+0x96/0x860 [ 78.998648][ T5074] syscall_exit_to_user_mode+0xc9/0x360 [ 79.005850][ T5074] do_syscall_64+0x10a/0x240 [ 79.012094][ T5074] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 79.019656][ T5074] SOFTIRQ-ON-W at: [ 79.023642][ T5074] lock_acquire+0x1e4/0x530 [ 79.029825][ T5074] _raw_spin_lock+0x2e/0x40 [ 79.035992][ T5074] snd_timer_close_locked+0x53/0x8d0 [ 79.042971][ T5074] snd_timer_close+0xae/0x130 [ 79.049310][ T5074] snd_seq_timer_close+0xa9/0xe0 [ 79.055902][ T5074] snd_seq_queue_delete+0x8f/0xf0 [ 79.062581][ T5074] snd_seq_oss_release+0x1d3/0x310 [ 79.069522][ T5074] odev_release+0x56/0x80 [ 79.075504][ T5074] __fput+0x42b/0x8a0 [ 79.081130][ T5074] task_work_run+0x251/0x310 [ 79.087372][ T5074] do_exit+0xa1b/0x27e0 [ 79.093181][ T5074] do_group_exit+0x207/0x2c0 [ 79.099420][ T5074] get_signal+0x176e/0x1850 [ 79.105586][ T5074] arch_do_signal_or_restart+0x96/0x860 [ 79.112781][ T5074] syscall_exit_to_user_mode+0xc9/0x360 [ 79.119981][ T5074] do_syscall_64+0x10a/0x240 [ 79.126222][ T5074] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 79.133766][ T5074] INITIAL USE at: [ 79.137659][ T5074] lock_acquire+0x1e4/0x530 [ 79.143723][ T5074] _raw_spin_lock_irqsave+0xd5/0x120 [ 79.150575][ T5074] snd_timer_notify+0x103/0x3d0 [ 79.157167][ T5074] snd_pcm_start+0x3fc/0x4c0 [ 79.163325][ T5074] __snd_pcm_lib_xfer+0x18bf/0x1e30 [ 79.170099][ T5074] snd_pcm_oss_write3+0x1c4/0x350 [ 79.176704][ T5074] snd_pcm_oss_write+0xaf9/0x11f0 [ 79.183298][ T5074] vfs_write+0x2a6/0xcb0 [ 79.189121][ T5074] ksys_write+0x1a0/0x2c0 [ 79.195053][ T5074] do_syscall_64+0xfd/0x240 [ 79.201137][ T5074] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 79.208597][ T5074] } [ 79.211084][ T5074] ... key at: [] snd_timer_new.__key+0x0/0x20 [ 79.219244][ T5074] ... acquired at: [ 79.223038][ T5074] mark_lock+0x223/0x350 [ 79.227448][ T5074] __lock_acquire+0x116e/0x1fd0 [ 79.232471][ T5074] lock_acquire+0x1e4/0x530 [ 79.237144][ T5074] _raw_spin_lock+0x2e/0x40 [ 79.241830][ T5074] snd_timer_close_locked+0x53/0x8d0 [ 79.247290][ T5074] snd_timer_close+0xae/0x130 [ 79.252145][ T5074] snd_seq_timer_close+0xa9/0xe0 [ 79.257250][ T5074] snd_seq_queue_delete+0x8f/0xf0 [ 79.262448][ T5074] snd_seq_oss_release+0x1d3/0x310 [ 79.267733][ T5074] odev_release+0x56/0x80 [ 79.272231][ T5074] __fput+0x42b/0x8a0 [ 79.276383][ T5074] task_work_run+0x251/0x310 [ 79.281146][ T5074] do_exit+0xa1b/0x27e0 [ 79.285476][ T5074] do_group_exit+0x207/0x2c0 [ 79.290247][ T5074] get_signal+0x176e/0x1850 [ 79.294932][ T5074] arch_do_signal_or_restart+0x96/0x860 [ 79.300654][ T5074] syscall_exit_to_user_mode+0xc9/0x360 [ 79.306379][ T5074] do_syscall_64+0x10a/0x240 [ 79.311141][ T5074] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 79.317207][ T5074] [ 79.319520][ T5074] [ 79.319520][ T5074] stack backtrace: [ 79.325395][ T5074] CPU: 0 PID: 5074 Comm: syz-executor275 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 79.335524][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 79.345588][ T5074] Call Trace: [ 79.348861][ T5074] [ 79.351783][ T5074] dump_stack_lvl+0x241/0x360 [ 79.356490][ T5074] ? __pfx_dump_stack_lvl+0x10/0x10 [ 79.361696][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.366550][ T5074] ? print_shortest_lock_dependencies+0xf2/0x160 [ 79.372877][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.377734][ T5074] ? print_irq_inversion_bug+0x329/0x3a0 [ 79.383397][ T5074] mark_lock_irq+0x867/0xc20 [ 79.388001][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.392865][ T5074] ? __pfx_mark_lock_irq+0x10/0x10 [ 79.397997][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.402875][ T5074] ? stack_trace_save+0x118/0x1d0 [ 79.407911][ T5074] ? __pfx_stack_trace_save+0x10/0x10 [ 79.413311][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.418187][ T5074] ? save_trace+0x749/0xb40 [ 79.422699][ T5074] mark_lock+0x223/0x350 [ 79.426963][ T5074] __lock_acquire+0x116e/0x1fd0 [ 79.431835][ T5074] lock_acquire+0x1e4/0x530 [ 79.436346][ T5074] ? snd_timer_close_locked+0x53/0x8d0 [ 79.441811][ T5074] ? __pfx___mutex_trylock_common+0x10/0x10 [ 79.447715][ T5074] ? __pfx_lock_acquire+0x10/0x10 [ 79.452739][ T5074] ? rcu_is_watching+0x15/0xb0 [ 79.457508][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.462385][ T5074] ? trace_contention_end+0x3c/0x100 [ 79.467721][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.472576][ T5074] ? __mutex_lock+0x2ef/0xd70 [ 79.477317][ T5074] ? snd_timer_close+0xa3/0x130 [ 79.482192][ T5074] _raw_spin_lock+0x2e/0x40 [ 79.486711][ T5074] ? snd_timer_close_locked+0x53/0x8d0 [ 79.492200][ T5074] snd_timer_close_locked+0x53/0x8d0 [ 79.497523][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.502389][ T5074] snd_timer_close+0xae/0x130 [ 79.507081][ T5074] ? __pfx_snd_timer_close+0x10/0x10 [ 79.512638][ T5074] ? _raw_spin_unlock_irq+0x23/0x50 [pid 5073] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5073] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [ 79.517851][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.522704][ T5074] ? lockdep_hardirqs_on+0x99/0x150 [ 79.528278][ T5074] snd_seq_timer_close+0xa9/0xe0 [ 79.533236][ T5074] snd_seq_queue_delete+0x8f/0xf0 [ 79.538279][ T5074] snd_seq_oss_release+0x1d3/0x310 [ 79.543422][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.548284][ T5074] ? __pfx_snd_seq_oss_release+0x10/0x10 [ 79.553936][ T5074] ? __asan_memset+0x23/0x50 [ 79.558536][ T5074] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [pid 5073] getdents64(3, 0x55558bb256f0 /* 2 entries */, 32768) = 48 [pid 5073] getdents64(3, 0x55558bb256f0 /* 0 entries */, 32768) = 0 [pid 5073] close(3) = 0 [ 79.564863][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.569736][ T5074] ? evm_file_release+0x140/0x1d0 [ 79.574776][ T5074] ? __pfx_odev_release+0x10/0x10 [ 79.579812][ T5074] odev_release+0x56/0x80 [ 79.584162][ T5074] __fput+0x42b/0x8a0 [ 79.588167][ T5074] task_work_run+0x251/0x310 [ 79.592781][ T5074] ? __pfx_task_work_run+0x10/0x10 [ 79.597913][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.602768][ T5074] ? switch_task_namespaces+0xe1/0x110 [ 79.608230][ T5074] do_exit+0xa1b/0x27e0 [ 79.612393][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.617249][ T5074] ? __pfx_do_exit+0x10/0x10 [ 79.621843][ T5074] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 79.627223][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.632084][ T5074] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 79.638071][ T5074] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 79.644395][ T5074] ? _raw_spin_lock_irq+0xdf/0x120 [ 79.649513][ T5074] do_group_exit+0x207/0x2c0 [ 79.654108][ T5074] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.659317][ T5074] ? srso_return_thunk+0x5/0x5f [ 79.664170][ T5074] ? lockdep_hardirqs_on+0x99/0x150 [ 79.669381][ T5074] get_signal+0x176e/0x1850 [ 79.673901][ T5074] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 79.680227][ T5074] ? __pfx_get_signal+0x10/0x10 [ 79.685090][ T5074] arch_do_signal_or_restart+0x96/0x860 [ 79.690641][ T5074] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 79.696798][ T5074] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 79.702780][ T5074] ? syscall_exit_to_user_mode+0xa3/0x360 [ 79.708506][ T5074] syscall_exit_to_user_mode+0xc9/0x360 [ 79.714085][ T5074] do_syscall_64+0x10a/0x240 [ 79.718684][ T5074] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 79.724582][ T5074] RIP: 0033:0x7f9697680a39 [ 79.728987][ T5074] Code: Unable to access opcode bytes at 0x7f9697680a0f. [ 79.735990][ T5074] RSP: 002b:00007ffd3405b268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 79.744402][ T5074] RAX: 0000000000019003 RBX: 0000000000000000 RCX: 00007f9697680a39 [ 79.752368][ T5074] RDX: 00000000ffffffd9 RSI: 00000000200001c0 RDI: 0000000000000004 [ 79.760334][ T5074] RBP: 00007f96976f35f0 R08: 0000000000000006 R09: 0000000000000006 [pid 5074] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5074, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=1 /* 0.01 s */} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5075 attached , child_tidptr=0x55558bb24650) = 5075 [pid 5075] set_robust_list(0x55558bb24660, 24) = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [ 79.768336][ T5074] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001 [ 79.776303][ T5074] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 79.784468][ T5074] [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] openat(AT_FDCWD, "/dev/sequencer", O_WRONLY|O_SYNC|O_LARGEFILE) = 3 [pid 5075] openat(AT_FDCWD, "/dev/dsp", O_RDWR|O_CREAT, 000) = 4 [pid 5075] write(4, "\x5c\xba\x91\xa4\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\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"..., 4294967257 [pid 5073] kill(-5075, SIGKILL) = 0 [pid 5075] <... write resumed>) = ? [pid 5073] kill(5075, SIGKILL) = 0 [pid 5075] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5075, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5076 attached [pid 5076] set_robust_list(0x55558bb24660, 24 [pid 5073] <... clone resumed>, child_tidptr=0x55558bb24650) = 5076 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5076] setpgid(0, 0) = 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5076] write(3, "1000", 4) = 4 [pid 5076] close(3) = 0 [pid 5076] openat(AT_FDCWD, "/dev/sequencer", O_WRONLY|O_SYNC|O_LARGEFILE) = 3 [pid 5076] openat(AT_FDCWD, "/dev/dsp", O_RDWR|O_CREAT, 000) = 4 [ 86.344080][ T7] cfg80211: failed to load regulatory.db