./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3314849383 <...> Warning: Permanently added '10.128.1.42' (ED25519) to the list of known hosts. execve("./syz-executor3314849383", ["./syz-executor3314849383"], 0x7ffe2ccb2990 /* 10 vars */) = 0 brk(NULL) = 0x555556e52000 brk(0x555556e52d00) = 0x555556e52d00 arch_prctl(ARCH_SET_FS, 0x555556e52380) = 0 set_tid_address(0x555556e52650) = 5036 set_robust_list(0x555556e52660, 24) = 0 rseq(0x555556e52ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3314849383", 4096) = 28 getrandom("\x12\x12\x1c\x10\xd0\x5e\x2a\x99", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556e52d00 brk(0x555556e73d00) = 0x555556e73d00 brk(0x555556e74000) = 0x555556e74000 mprotect(0x7f90a2eb4000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5037 attached , child_tidptr=0x555556e52650) = 5037 [pid 5037] set_robust_list(0x555556e52660, 24) = 0 [pid 5037] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5037] setsid() = 1 [pid 5037] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5037] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5037] unshare(CLONE_NEWNS) = 0 [pid 5037] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5037] unshare(CLONE_NEWIPC) = 0 [pid 5037] unshare(CLONE_NEWCGROUP) = 0 [pid 5037] unshare(CLONE_NEWUTS) = 0 [pid 5037] unshare(CLONE_SYSVSEM) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "16777216", 8) = 8 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "536870912", 9) = 9 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "8192", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024", 4) = 4 [pid 5037] close(3) = 0 [pid 5037] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5037] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5037] close(3) = 0 [pid 5037] getpid() = 1 [pid 5037] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5037] kill(-2, SIGKILL) = 0 [pid 5037] kill(2, SIGKILL) = 0 [pid 5037] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5037] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5037] getdents64(3, 0x555556e536f0 /* 2 entries */, 32768) = 48 [pid 5037] getdents64(3, 0x555556e536f0 /* 0 entries */, 32768) = 0 [pid 5037] close(3) = 0 [ 76.038096][ T774] cfg80211: failed to load regulatory.db [ 285.947642][ T29] INFO: task kworker/0:1:9 blocked for more than 143 seconds. [ 285.955161][ T29] Not tainted 6.5.0-syzkaller-12821-g6099776f9f26 #0 [ 285.962408][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.971092][ T29] task:kworker/0:1 state:D stack:27512 pid:9 ppid:2 flags:0x00004000 [ 285.980357][ T29] Workqueue: usb_hub_wq hub_event [ 285.985395][ T29] Call Trace: [ 285.988694][ T29] [ 285.991620][ T29] __schedule+0xee1/0x59f0 [ 285.996042][ T29] ? asm_sysvec_irq_work+0x1a/0x20 [ 286.001201][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.005976][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.010803][ T29] ? io_schedule_timeout+0x150/0x150 [ 286.016104][ T29] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.021527][ T29] ? do_raw_spin_lock+0x12e/0x2b0 [ 286.026573][ T29] ? spin_bug+0x1d0/0x1d0 [ 286.030919][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.035729][ T29] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 286.041796][ T29] schedule+0xe7/0x1b0 [ 286.045881][ T29] usb_kill_urb.part.0+0x1c6/0x250 [ 286.051013][ T29] ? usb_anchor_suspend_wakeups+0x40/0x40 [ 286.056752][ T29] ? prepare_to_swait_exclusive+0x240/0x240 [ 286.062692][ T29] ? preempt_count_sub+0x150/0x150 [ 286.067841][ T29] usb_kill_urb+0x83/0xa0 [ 286.072169][ T29] usb_start_wait_urb+0x251/0x4c0 [ 286.077176][ T29] ? usb_api_blocking_completion+0xa0/0xa0 [ 286.083027][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.087827][ T29] usb_control_msg+0x327/0x4a0 [ 286.092585][ T29] ? usb_start_wait_urb+0x4c0/0x4c0 [ 286.097866][ T29] ? hub_resume+0x3e0/0x3e0 [ 286.102393][ T29] get_bMaxPacketSize0.constprop.0+0xa5/0x1c0 [ 286.108501][ T29] hub_port_init+0x680/0x3850 [ 286.113160][ T29] hub_event+0x2b64/0x4e00 [ 286.117630][ T29] ? hub_port_debounce+0x3d0/0x3d0 [ 286.122777][ T29] ? print_irqtrace_events+0x1d0/0x270 [ 286.128246][ T29] ? lock_sync+0x190/0x190 [ 286.132676][ T29] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.138085][ T29] ? __schedule+0xee9/0x59f0 [ 286.142714][ T29] ? spin_bug+0x1d0/0x1d0 [ 286.147040][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.151844][ T29] process_one_work+0x887/0x15d0 [ 286.156793][ T29] ? lock_sync+0x190/0x190 [ 286.161267][ T29] ? init_worker_pool+0x770/0x770 [ 286.166304][ T29] ? assign_work+0x1a0/0x240 [ 286.170911][ T29] worker_thread+0x8bb/0x1290 [ 286.175604][ T29] ? __kthread_parkme+0x152/0x220 [ 286.180700][ T29] ? process_one_work+0x15d0/0x15d0 [ 286.185913][ T29] kthread+0x33a/0x430 [ 286.190041][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.195703][ T29] ret_from_fork+0x45/0x80 [ 286.200160][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.205813][ T29] ret_from_fork_asm+0x11/0x20 [ 286.210625][ T29] [ 286.213770][ T29] INFO: task syz-executor331:5040 blocked for more than 143 seconds. [ 286.221865][ T29] Not tainted 6.5.0-syzkaller-12821-g6099776f9f26 #0 [ 286.229084][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.237894][ T29] task:syz-executor331 state:D stack:27152 pid:5040 ppid:5037 flags:0x00004006 [ 286.247095][ T29] Call Trace: [ 286.250384][ T29] [ 286.253309][ T29] __schedule+0xee1/0x59f0 [ 286.257748][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.262519][ T29] ? xfd_validate_state+0x5d/0x180 [ 286.267832][ T29] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 286.273824][ T29] ? finish_task_switch.isra.0+0x216/0xc90 [ 286.279650][ T29] ? io_schedule_timeout+0x150/0x150 [ 286.284949][ T29] ? __mutex_lock+0x962/0x1340 [ 286.289728][ T29] ? do_raw_spin_lock+0x12e/0x2b0 [ 286.294840][ T29] ? spin_bug+0x1d0/0x1d0 [ 286.299253][ T29] schedule+0xe7/0x1b0 [ 286.303325][ T29] schedule_preempt_disabled+0x13/0x20 [ 286.308804][ T29] __mutex_lock+0x967/0x1340 [ 286.313401][ T29] ? usbdev_release+0x87/0x4b0 [ 286.318193][ T29] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 286.323840][ T29] ? __fsnotify_parent+0x4fc/0xa10 [ 286.328975][ T29] ? __fsnotify_update_child_dentry_flags+0x360/0x360 [ 286.335768][ T29] ? locks_remove_file+0x399/0x5a0 [ 286.340925][ T29] ? free_async+0x520/0x520 [ 286.345450][ T29] ? usbdev_release+0x87/0x4b0 [ 286.350231][ T29] usbdev_release+0x87/0x4b0 [ 286.354834][ T29] ? free_async+0x520/0x520 [ 286.359371][ T29] __fput+0x3f7/0xa70 [ 286.363378][ T29] __fput_sync+0x47/0x50 [ 286.367668][ T29] __x64_sys_close+0x87/0xf0 [ 286.372296][ T29] do_syscall_64+0x38/0xb0 [ 286.376704][ T29] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.382699][ T29] RIP: 0033:0x7f90a2e400e0 [ 286.387196][ T29] RSP: 002b:00007ffd3e8dd428 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 286.395619][ T29] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f90a2e400e0 [ 286.403608][ T29] RDX: 0000000000000007 RSI: 00007ffd3e8dcf60 RDI: 0000000000000003 [ 286.411621][ T29] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 286.419612][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000f4240 [ 286.427703][ T29] R13: 00007ffd3e8dd6d8 R14: 0000000000000001 R15: 00007ffd3e8dd470 [ 286.435679][ T29] [ 286.438757][ T29] INFO: lockdep is turned off. [ 286.443514][ T29] NMI backtrace for cpu 0 [ 286.447837][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12821-g6099776f9f26 #0 [ 286.457267][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 286.467299][ T29] Call Trace: [ 286.470559][ T29] [ 286.473484][ T29] dump_stack_lvl+0xd9/0x1b0 [ 286.478061][ T29] nmi_cpu_backtrace+0x277/0x380 [ 286.482981][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 286.488165][ T29] nmi_trigger_cpumask_backtrace+0x299/0x300 [ 286.494127][ T29] watchdog+0xfac/0x1230 [ 286.498352][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 286.504319][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 286.510285][ T29] kthread+0x33a/0x430 [ 286.514346][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.519988][ T29] ret_from_fork+0x45/0x80 [ 286.524391][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 286.530013][ T29] ret_from_fork_asm+0x11/0x20 [ 286.534775][ T29] [ 286.537863][ T29] Sending NMI from CPU 0 to CPUs 1: [ 286.543071][ C1] NMI backtrace for cpu 1 [ 286.543079][ C1] CPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.5.0-syzkaller-12821-g6099776f9f26 #0 [ 286.543094][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 286.543102][ C1] Workqueue: events_unbound toggle_allocation_gate [ 286.543121][ C1] RIP: 0010:smp_call_function_many_cond+0x4db/0x1570 [ 286.543142][ C1] Code: 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 fc 4c 89 fd 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 dc 8c 0b 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 3c 0e 00 00 8b 43 08 31 ff 83 e0 01 41 [ 286.543154][ C1] RSP: 0018:ffffc90000107928 EFLAGS: 00000293 [ 286.543164][ C1] RAX: 0000000000000000 RBX: ffff8880b9844180 RCX: 0000000000000000 [ 286.543172][ C1] RDX: ffff888016273b80 RSI: ffffffff817c44e4 RDI: 0000000000000005 [ 286.543180][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 286.543187][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1017308831 [ 286.543195][ C1] R13: 0000000000000001 R14: ffff8880b993d8c0 R15: ffff8880b9844188 [ 286.543205][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 286.543218][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.543226][ C1] CR2: 000055ee6a331680 CR3: 000000000c976000 CR4: 0000000000350ee0 [ 286.543235][ C1] Call Trace: [ 286.543239][ C1] [ 286.543243][ C1] ? show_regs+0x8f/0xa0 [ 286.543258][ C1] ? nmi_cpu_backtrace+0x1d4/0x380 [ 286.543279][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 286.543297][ C1] ? nmi_handle+0x1a8/0x570 [ 286.543312][ C1] ? smp_call_function_many_cond+0x4db/0x1570 [ 286.543330][ C1] ? default_do_nmi+0x69/0x160 [ 286.543344][ C1] ? exc_nmi+0x171/0x1e0 [ 286.543356][ C1] ? end_repeat_nmi+0x16/0x31 [ 286.543372][ C1] ? smp_call_function_many_cond+0x4d4/0x1570 [ 286.543391][ C1] ? smp_call_function_many_cond+0x4db/0x1570 [ 286.543409][ C1] ? smp_call_function_many_cond+0x4db/0x1570 [ 286.543427][ C1] ? smp_call_function_many_cond+0x4db/0x1570 [ 286.543452][ C1] [ 286.543455][ C1] [ 286.543460][ C1] ? __text_poke+0xc90/0xc90 [ 286.543472][ C1] ? __kmem_cache_alloc_node+0xca/0x350 [ 286.543492][ C1] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 286.543511][ C1] ? perf_event_bpf_event+0x500/0x500 [ 286.543527][ C1] ? __text_poke+0xc90/0xc90 [ 286.543538][ C1] on_each_cpu_cond_mask+0x40/0x90 [ 286.543557][ C1] text_poke_bp_batch+0x83a/0x960 [ 286.543570][ C1] ? __kmem_cache_alloc_node+0xca/0x350 [ 286.543590][ C1] ? do_sync_core+0x40/0x40 [ 286.543600][ C1] ? __jump_label_patch+0x1db/0x3f0 [ 286.543618][ C1] ? arch_jump_label_transform_queue+0xc0/0x110 [ 286.543638][ C1] text_poke_finish+0x30/0x40 [ 286.543650][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 286.543668][ C1] jump_label_update+0x32e/0x410 [ 286.543688][ C1] static_key_disable_cpuslocked+0x154/0x1b0 [ 286.543708][ C1] static_key_disable+0x1a/0x20 [ 286.543726][ C1] toggle_allocation_gate+0x13f/0x250 [ 286.543742][ C1] ? wake_up_kfence_timer+0x30/0x30 [ 286.543757][ C1] ? __schedule+0xee9/0x59f0 [ 286.543771][ C1] ? prepare_to_swait_exclusive+0x240/0x240 [ 286.543789][ C1] ? rcu_is_watching+0x12/0xb0 [ 286.543803][ C1] process_one_work+0x887/0x15d0 [ 286.543820][ C1] ? lock_sync+0x190/0x190 [ 286.543837][ C1] ? init_worker_pool+0x770/0x770 [ 286.543854][ C1] ? assign_work+0x1a0/0x240 [ 286.543868][ C1] worker_thread+0x8bb/0x1290 [ 286.543887][ C1] ? process_one_work+0x15d0/0x15d0 [ 286.543902][ C1] kthread+0x33a/0x430 [ 286.543915][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 286.543929][ C1] ret_from_fork+0x45/0x80 [ 286.543944][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 286.543958][ C1] ret_from_fork_asm+0x11/0x20 [ 286.543980][ C1] [ 286.544076][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 286.920328][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-12821-g6099776f9f26 #0 [ 286.929791][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 286.939839][ T29] Call Trace: [ 286.943192][ T29] [ 286.946114][ T29] dump_stack_lvl+0xd9/0x1b0 [ 286.950711][ T29] panic+0x6a6/0x750 [ 286.954595][ T29] ? panic_smp_self_stop+0xa0/0xa0 [ 286.959696][ T29] ? __irq_work_queue_local+0x132/0x3f0 [ 286.965235][ T29] ? irq_work_queue+0x2a/0x70 [ 286.969907][ T29] ? watchdog+0xd63/0x1230 [ 286.974314][ T29] watchdog+0xd74/0x1230 [ 286.978543][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 286.984510][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 286.990472][ T29] kthread+0x33a/0x430 [ 286.994531][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.000150][ T29] ret_from_fork+0x45/0x80 [ 287.004555][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.010172][ T29] ret_from_fork_asm+0x11/0x20 [ 287.014931][ T29] [ 287.018624][ T29] Kernel Offset: disabled [ 287.022928][ T29] Rebooting in 86400 seconds..