./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2870613819 <...> Warning: Permanently added '10.128.0.88' (ED25519) to the list of known hosts. execve("./syz-executor2870613819", ["./syz-executor2870613819"], 0x7ffd30014830 /* 10 vars */) = 0 brk(NULL) = 0x55555566a000 brk(0x55555566ad00) = 0x55555566ad00 arch_prctl(ARCH_SET_FS, 0x55555566a380) = 0 set_tid_address(0x55555566a650) = 5062 set_robust_list(0x55555566a660, 24) = 0 rseq(0x55555566aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2870613819", 4096) = 28 getrandom("\xb9\x8b\x3a\x42\xf4\x87\xb8\xaf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555566ad00 brk(0x55555568bd00) = 0x55555568bd00 brk(0x55555568c000) = 0x55555568c000 mprotect(0x7f946f143000, 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, child_tidptr=0x55555566a650) = 5063 ./strace-static-x86_64: Process 5063 attached [pid 5063] set_robust_list(0x55555566a660, 24) = 0 [pid 5063] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5063] setsid() = 1 [pid 5063] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5063] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5063] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5063] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5063] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5063] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5063] unshare(CLONE_NEWNS) = 0 [pid 5063] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5063] unshare(CLONE_NEWIPC) = 0 [pid 5063] unshare(CLONE_NEWCGROUP) = 0 [pid 5063] unshare(CLONE_NEWUTS) = 0 [pid 5063] unshare(CLONE_SYSVSEM) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "16777216", 8) = 8 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "536870912", 9) = 9 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1024", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "8192", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1024", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1024", 4) = 4 [pid 5063] close(3) = 0 [pid 5063] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5063] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5063] close(3) = 0 [pid 5063] getpid() = 1 [pid 5063] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5063] kill(-2, SIGKILL) = 0 [pid 5063] kill(2, SIGKILL) = 0 [pid 5063] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5063] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5063] getdents64(3, 0x55555566b6f0 /* 2 entries */, 32768) = 48 [pid 5063] getdents64(3, 0x55555566b6f0 /* 0 entries */, 32768) = 0 [pid 5063] close(3) = 0 [ 102.984227][ T27] cfg80211: failed to load regulatory.db [ 287.303396][ T29] INFO: task kworker/0:2:920 blocked for more than 143 seconds. [ 287.311082][ T29] Not tainted 6.7.0-next-20240110-syzkaller #0 [ 287.317860][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.326597][ T29] task:kworker/0:2 state:D stack:25792 pid:920 tgid:920 ppid:2 flags:0x00004000 [ 287.336888][ T29] Workqueue: usb_hub_wq hub_event [ 287.341997][ T29] Call Trace: [ 287.345341][ T29] [ 287.348300][ T29] __schedule+0xf15/0x5c80 [ 287.352764][ T29] ? rcu_is_watching+0x12/0xb0 [ 287.357624][ T29] ? io_schedule_timeout+0x150/0x150 [ 287.362997][ T29] ? lock_release+0x4c8/0x6a0 [ 287.367747][ T29] ? schedule+0x1fa/0x270 [ 287.372128][ T29] ? reacquire_held_locks+0x4c0/0x4c0 [ 287.377578][ T29] ? spin_bug+0x1c0/0x1c0 [ 287.381952][ T29] ? rcu_is_watching+0x12/0xb0 [ 287.386795][ T29] ? trace_irq_enable.constprop.0+0xe0/0x110 [ 287.392843][ T29] schedule+0xe7/0x270 [ 287.396988][ T29] usb_kill_urb.part.0+0x1c6/0x250 [ 287.402168][ T29] ? usb_anchor_suspend_wakeups+0x40/0x40 [ 287.407961][ T29] ? prepare_to_swait_exclusive+0x240/0x240 [ 287.413973][ T29] ? preempt_count_sub+0x160/0x160 [ 287.419110][ T29] usb_kill_urb+0x83/0xa0 [ 287.423542][ T29] usb_start_wait_urb+0x251/0x4c0 [ 287.428614][ T29] ? usb_api_blocking_completion+0xa0/0xa0 [ 287.434513][ T29] usb_control_msg+0x327/0x4a0 [ 287.439321][ T29] ? usb_start_wait_urb+0x4c0/0x4c0 [ 287.444596][ T29] ? hub_resume+0x3e0/0x3e0 [ 287.449159][ T29] get_bMaxPacketSize0.constprop.0+0xa5/0x1c0 [ 287.455339][ T29] hub_port_init+0x68c/0x39e0 [ 287.460101][ T29] hub_event+0x2b61/0x4e10 [ 287.464639][ T29] ? hub_port_debounce+0x3d0/0x3d0 [ 287.469822][ T29] ? lock_acquire+0x477/0x530 [ 287.474587][ T29] ? print_shortest_lock_dependencies+0x151/0x1b0 [ 287.481094][ T29] ? lock_sync+0x190/0x190 [ 287.485593][ T29] ? reacquire_held_locks+0x4c0/0x4c0 [ 287.491005][ T29] ? __schedule+0xf1d/0x5c80 [ 287.495671][ T29] ? spin_bug+0x1c0/0x1c0 [ 287.500046][ T29] ? rcu_is_watching+0x12/0xb0 [ 287.504883][ T29] process_one_work+0x8a4/0x15f0 [ 287.509885][ T29] ? lock_sync+0x190/0x190 [ 287.514379][ T29] ? workqueue_congested+0x300/0x300 [ 287.519738][ T29] ? assign_work+0x1a0/0x250 [ 287.524406][ T29] worker_thread+0x8b6/0x1290 [ 287.529161][ T29] ? __kthread_parkme+0x148/0x220 [ 287.534261][ T29] ? process_one_work+0x15f0/0x15f0 [ 287.539517][ T29] kthread+0x2c1/0x3a0 [ 287.543681][ T29] ? trace_irq_enable.constprop.0+0xe0/0x110 [ 287.549802][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.555539][ T29] ret_from_fork+0x45/0x80 [ 287.560013][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.565737][ T29] ret_from_fork_asm+0x11/0x20 [ 287.570577][ T29] [ 287.573733][ T29] INFO: task syz-executor287:5066 blocked for more than 143 seconds. [ 287.581841][ T29] Not tainted 6.7.0-next-20240110-syzkaller #0 [ 287.588587][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.597319][ T29] task:syz-executor287 state:D stack:27048 pid:5066 tgid:5066 ppid:5063 flags:0x00004006 [ 287.607584][ T29] Call Trace: [ 287.610886][ T29] [ 287.613980][ T29] __schedule+0xf15/0x5c80 [ 287.618474][ T29] ? rcu_is_watching+0x12/0xb0 [ 287.623378][ T29] ? finish_task_switch.isra.0+0x217/0xcb0 [ 287.629249][ T29] ? io_schedule_timeout+0x150/0x150 [ 287.634688][ T29] ? lock_release+0x4c8/0x6a0 [ 287.639405][ T29] ? schedule+0x1fa/0x270 [ 287.643792][ T29] ? reacquire_held_locks+0x4c0/0x4c0 [ 287.649200][ T29] ? __mutex_lock+0x5af/0x9c0 [ 287.653954][ T29] ? __mutex_trylock_common+0x78/0x250 [ 287.659469][ T29] ? mutex_is_locked+0x40/0x40 [ 287.664331][ T29] ? spin_bug+0x1c0/0x1c0 [ 287.668714][ T29] schedule+0xe7/0x270 [ 287.672827][ T29] schedule_preempt_disabled+0x13/0x20 [ 287.678395][ T29] __mutex_lock+0x5b4/0x9c0 [ 287.682948][ T29] ? locks_remove_posix+0x291/0x450 [ 287.688220][ T29] ? usbdev_release+0x87/0x470 [ 287.693046][ T29] ? mutex_trylock+0x130/0x130 [ 287.697905][ T29] ? __fsnotify_update_child_dentry_flags+0x340/0x340 [ 287.704794][ T29] ? locks_remove_file+0x399/0x5a0 [ 287.709941][ T29] ? free_async+0x4e0/0x4e0 [ 287.714546][ T29] ? usbdev_release+0x87/0x470 [ 287.719375][ T29] usbdev_release+0x87/0x470 [ 287.724075][ T29] ? free_async+0x4e0/0x4e0 [ 287.728691][ T29] __fput+0x270/0xb70 [ 287.732739][ T29] __fput_sync+0x47/0x50 [ 287.737131][ T29] __x64_sys_close+0x86/0xf0 [ 287.741755][ T29] do_syscall_64+0xd0/0x250 [ 287.746321][ T29] entry_SYSCALL_64_after_hwframe+0x62/0x6a [ 287.752261][ T29] RIP: 0033:0x7f946f0cf0e0 [ 287.756749][ T29] RSP: 002b:00007ffde593baf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 287.765227][ T29] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f946f0cf0e0 [ 287.773255][ T29] RDX: 0000000000000007 RSI: 00007ffde593b630 RDI: 0000000000000003 [ 287.781259][ T29] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 287.789386][ T29] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000f4240 [ 287.797434][ T29] R13: 00007ffde593bda8 R14: 0000000000000001 R15: 00007ffde593bb40 [ 287.805460][ T29] [ 287.808505][ T29] INFO: lockdep is turned off. [ 287.813316][ T29] NMI backtrace for cpu 0 [ 287.817664][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-next-20240110-syzkaller #0 [ 287.826610][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 287.836685][ T29] Call Trace: [ 287.839977][ T29] [ 287.842925][ T29] dump_stack_lvl+0xd9/0x1b0 [ 287.847549][ T29] nmi_cpu_backtrace+0x277/0x390 [ 287.852513][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 287.857746][ T29] nmi_trigger_cpumask_backtrace+0x299/0x300 [ 287.863757][ T29] watchdog+0xf86/0x1210 [ 287.868030][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 287.874038][ T29] ? __kthread_parkme+0x148/0x220 [ 287.879103][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 287.885134][ T29] kthread+0x2c1/0x3a0 [ 287.889238][ T29] ? trace_irq_enable.constprop.0+0xe0/0x110 [ 287.895259][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.901015][ T29] ret_from_fork+0x45/0x80 [ 287.905466][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.911129][ T29] ret_from_fork_asm+0x11/0x20 [ 287.915942][ T29] [ 287.919068][ T29] Sending NMI from CPU 0 to CPUs 1: [ 287.924350][ C1] NMI backtrace for cpu 1 [ 287.924363][ C1] CPU: 1 PID: 1085 Comm: kworker/u4:7 Not tainted 6.7.0-next-20240110-syzkaller #0 [ 287.924394][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 287.924408][ C1] Workqueue: events_unbound toggle_allocation_gate [ 287.924449][ C1] RIP: 0010:text_poke_memcpy+0x23/0x30 [ 287.924480][ C1] Code: 1f 84 00 00 00 00 00 f3 0f 1e fa 41 54 49 89 d4 55 48 89 f5 53 48 89 fb e8 fa 4d 58 00 4c 89 e2 48 89 ee 48 89 df 5b 5d 41 5c 98 2c 60 09 0f 1f 84 00 00 00 00 00 41 57 41 56 4d 89 c6 41 55 [ 287.924503][ C1] RSP: 0018:ffffc90005257990 EFLAGS: 00000093 [ 287.924521][ C1] RAX: 0000000000000000 RBX: ffff888013084558 RCX: ffffffff812fed80 [ 287.924537][ C1] RDX: 0000000000000001 RSI: ffffc90005257af0 RDI: 00002aaaaaaab53c [ 287.924553][ C1] RBP: ffffffff81d6153c R08: 0000000000000007 R09: 0000000000000000 [ 287.924568][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000053d [ 287.924582][ C1] R13: ffffffff8f3b3398 R14: ffffffff8d326480 R15: 0000000000000000 [ 287.924598][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 287.924622][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.924638][ C1] CR2: 0000555bd2829600 CR3: 0000000013074000 CR4: 00000000003506f0 [ 287.924654][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.924668][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.924683][ C1] Call Trace: [ 287.924690][ C1] [ 287.924697][ C1] ? show_regs+0x8e/0xa0 [ 287.924728][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 287.924762][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 287.924802][ C1] ? nmi_handle+0x1a6/0x580 [ 287.924835][ C1] ? text_poke_memcpy+0x23/0x30 [ 287.924861][ C1] ? default_do_nmi+0x6a/0x160 [ 287.924902][ C1] ? exc_nmi+0x186/0x200 [ 287.924940][ C1] ? end_repeat_nmi+0xf/0x2a [ 287.924972][ C1] ? __kmalloc_node+0x10c/0x480 [ 287.925010][ C1] ? __text_poke+0x420/0xca0 [ 287.925035][ C1] ? text_poke_memcpy+0x23/0x30 [ 287.925061][ C1] ? text_poke_memcpy+0x23/0x30 [ 287.925088][ C1] ? text_poke_memcpy+0x23/0x30 [ 287.925114][ C1] [ 287.925120][ C1] [ 287.925126][ C1] __text_poke+0x461/0xca0 [ 287.925151][ C1] ? text_poke_memset+0x60/0x60 [ 287.925180][ C1] ? optimize_nops+0x1a0/0x1a0 [ 287.925206][ C1] ? preempt_count_sub+0x160/0x160 [ 287.925232][ C1] ? rcu_is_watching+0x12/0xb0 [ 287.925264][ C1] ? __kmalloc_node+0x10c/0x480 [ 287.925299][ C1] text_poke_bp_batch+0x1cd/0x750 [ 287.925328][ C1] ? arch_jump_label_transform_apply+0x17/0x30 [ 287.925376][ C1] ? alternatives_enable_smp+0x400/0x400 [ 287.925403][ C1] ? __jump_label_patch+0x1db/0x400 [ 287.925440][ C1] ? text_poke_queue+0xef/0x180 [ 287.925473][ C1] ? arch_jump_label_transform_queue+0xc0/0x110 [ 287.925518][ C1] text_poke_finish+0x30/0x40 [ 287.925546][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 287.925586][ C1] jump_label_update+0x1d7/0x400 [ 287.925626][ C1] static_key_disable_cpuslocked+0x154/0x1c0 [ 287.925666][ C1] static_key_disable+0x1a/0x20 [ 287.925702][ C1] toggle_allocation_gate+0x13f/0x250 [ 287.925739][ C1] ? wake_up_kfence_timer+0x30/0x30 [ 287.925774][ C1] ? __schedule+0xf1d/0x5c80 [ 287.925796][ C1] ? spin_bug+0x1c0/0x1c0 [ 287.925820][ C1] ? rcu_is_watching+0x12/0xb0 [ 287.925853][ C1] process_one_work+0x8a4/0x15f0 [ 287.925895][ C1] ? lock_sync+0x190/0x190 [ 287.925916][ C1] ? workqueue_congested+0x300/0x300 [ 287.925956][ C1] ? assign_work+0x1a0/0x250 [ 287.925991][ C1] worker_thread+0x8b6/0x1290 [ 287.926034][ C1] ? process_one_work+0x15f0/0x15f0 [ 287.926069][ C1] kthread+0x2c1/0x3a0 [ 287.926099][ C1] ? trace_irq_enable.constprop.0+0xe0/0x110 [ 287.926139][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 287.926173][ C1] ret_from_fork+0x45/0x80 [ 287.926204][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 287.926237][ C1] ret_from_fork_asm+0x11/0x20 [ 287.926280][ C1] [ 287.926287][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.937 msecs [ 287.926348][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 288.331988][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-next-20240110-syzkaller #0 [ 288.340976][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 288.351073][ T29] Call Trace: [ 288.354378][ T29] [ 288.357337][ T29] dump_stack_lvl+0xd9/0x1b0 [ 288.361980][ T29] panic+0x6dc/0x790 [ 288.365917][ T29] ? panic_smp_self_stop+0xa0/0xa0 [ 288.371067][ T29] ? kmsg_dump_get_line+0x350/0x350 [ 288.376295][ T29] ? __irq_work_queue_local+0x136/0x410 [ 288.381893][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 288.387158][ T29] ? irq_work_queue+0x2a/0x70 [ 288.391880][ T29] ? watchdog+0xd3d/0x1210 [ 288.396342][ T29] ? watchdog+0xd30/0x1210 [ 288.400802][ T29] watchdog+0xd4e/0x1210 [ 288.405107][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 288.411145][ T29] ? __kthread_parkme+0x148/0x220 [ 288.416212][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 288.422238][ T29] kthread+0x2c1/0x3a0 [ 288.426349][ T29] ? trace_irq_enable.constprop.0+0xe0/0x110 [ 288.432372][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 288.438066][ T29] ret_from_fork+0x45/0x80 [ 288.442535][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 288.448219][ T29] ret_from_fork_asm+0x11/0x20 [ 288.453030][ T29] [ 288.456395][ T29] Kernel Offset: disabled [ 288.460732][ T29] Rebooting in 86400 seconds..