./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2103204903 <...> Warning: Permanently added '10.128.0.227' (ECDSA) to the list of known hosts. execve("./syz-executor2103204903", ["./syz-executor2103204903"], 0x7ffeb1903b20 /* 10 vars */) = 0 brk(NULL) = 0x555557161000 brk(0x555557161c40) = 0x555557161c40 arch_prctl(ARCH_SET_FS, 0x555557161300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2103204903", 4096) = 28 brk(0x555557182c40) = 0x555557182c40 brk(0x555557183000) = 0x555557183000 mprotect(0x7fa77d5e4000, 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=0x5555571615d0) = 5023 ./strace-static-x86_64: Process 5023 attached [pid 5023] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5023] setsid() = 1 [pid 5023] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5023] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5023] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5023] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5023] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5023] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5023] unshare(CLONE_NEWNS) = 0 [pid 5023] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5023] unshare(CLONE_NEWIPC) = 0 [pid 5023] unshare(CLONE_NEWCGROUP) = 0 [pid 5023] unshare(CLONE_NEWUTS) = 0 [pid 5023] unshare(CLONE_SYSVSEM) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "16777216", 8) = 8 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "536870912", 9) = 9 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1024", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "8192", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1024", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1024", 4) = 4 [pid 5023] close(3) = 0 [pid 5023] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5023] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5023] close(3) = 0 [pid 5023] getpid() = 1 [pid 5023] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 45 31 ed e9 54 fc ff ff e8 6b d8 83 00 e9 3e fb ff ff e8 f1 [ 88.537049][ T917] RSP: 0018:ffffc900050aebf0 EFLAGS: 00010293 [ 88.543444][ T917] RAX: 0000000000000000 RBX: ffff888071a480e8 RCX: 0000000000000000 [ 88.551583][ T917] RDX: ffff88801fc05940 RSI: ffffffff81543666 RDI: 0000000000000001 [ 88.559704][ T917] RBP: ffffc900050aed88 R08: 0000000000000001 R09: 0000000000000000 [ 88.568102][ T917] R10: 0000000000000001 R11: 1ffffffff21ed137 R12: ffff888071a480e8 [ 88.576310][ T917] R13: 0000000000000001 R14: 0000000000000001 R15: ffff888071a48100 [ 88.584713][ T917] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 88.593860][ T917] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.600585][ T917] CR2: 0000564a82410ac8 CR3: 000000002c52c000 CR4: 00000000003506f0 [ 88.608749][ T917] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.616811][ T917] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.625161][ T917] Call Trace: [ 88.628483][ T917] [ 88.631430][ T917] ? __warn+0xe6/0x390 [ 88.635688][ T917] ? __flush_work+0x946/0xb60 [ 88.640424][ T917] ? report_bug+0x2da/0x500 [ 88.645462][ T917] ? handle_bug+0x3c/0x70 [ 88.649845][ T917] ? exc_invalid_op+0x18/0x50 [ 88.654650][ T917] ? asm_exc_invalid_op+0x1a/0x20 [ 88.660827][ T917] ? __flush_work+0x946/0xb60 [ 88.665693][ T917] ? __flush_work+0x946/0xb60 [ 88.670612][ T917] ? print_usage_bug.part.0+0x670/0x670 [ 88.676270][ T917] ? mod_delayed_work_on+0x220/0x220 [ 88.681694][ T917] ? find_held_lock+0x2d/0x110 [ 88.686672][ T917] ? usb_hcd_unlink_urb+0xb7/0x200 [ 88.691910][ T917] ? lock_downgrade+0x690/0x690 [ 88.696938][ T917] ? mark_held_locks+0x9f/0xe0 [ 88.701877][ T917] __cancel_work_timer+0x3f9/0x570 [ 88.707347][ T917] ? work_on_cpu_safe+0xa0/0xa0 [ 88.712590][ T917] ? usb_anchor_suspend_wakeups+0x40/0x40 [ 88.718475][ T917] smsusb_start_streaming+0x33c/0x650 [ 88.723958][ T917] smsusb_init_device+0x7f7/0xd20 [ 88.729056][ T917] ? smsusb_disconnect+0x20/0x20 [ 88.734222][ T917] ? do_submit_urb+0x400/0x400 [ 88.739053][ T917] ? rcu_is_watching+0x12/0xb0 [ 88.743928][ T917] ? kfree+0x10e/0x150 [ 88.748138][ T917] ? usb_clear_halt+0x101/0x1c0 [ 88.753143][ T917] smsusb_probe+0x5b9/0x10b0 [ 88.757874][ T917] ? smsusb_init_device+0xd20/0xd20 [ 88.763215][ T917] ? mark_held_locks+0x9f/0xe0 [ 88.768217][ T917] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 88.774408][ T917] ? lockdep_hardirqs_on+0x7d/0x100 [ 88.779672][ T917] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 88.786036][ T917] ? __pm_runtime_set_status+0x442/0xd90 [ 88.792194][ T917] usb_probe_interface+0x30f/0x960 [ 88.797541][ T917] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 88.803396][ T917] really_probe+0x240/0xca0 [ 88.807975][ T917] __driver_probe_device+0x1df/0x4b0 [ 88.813852][ T917] ? usb_match_id.part.0+0x163/0x1b0 [ 88.820096][ T917] driver_probe_device+0x4c/0x1a0 [ 88.825268][ T917] __device_attach_driver+0x1d4/0x2e0 [ 88.830985][ T917] bus_for_each_drv+0x149/0x1d0 [ 88.835963][ T917] ? driver_probe_device+0x1a0/0x1a0 [ 88.841444][ T917] ? bus_for_each_dev+0x1c0/0x1c0 [ 88.846736][ T917] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 88.852675][ T917] ? lockdep_hardirqs_on+0x7d/0x100 [ 88.857918][ T917] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 88.863857][ T917] __device_attach+0x1e4/0x4b0 [ 88.870093][ T917] ? device_driver_attach+0x210/0x210 [ 88.875598][ T917] ? do_raw_spin_unlock+0x175/0x230 [ 88.880970][ T917] bus_probe_device+0x17c/0x1c0 [ 88.885925][ T917] device_add+0x112d/0x1a40 [ 88.890488][ T917] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 88.897519][ T917] ? usb_create_ep_devs+0x1f7/0x2a0 [ 88.902849][ T917] ? create_intf_ep_devs.isra.0+0x193/0x200 [ 88.908886][ T917] usb_set_configuration+0x1196/0x1bc0 [ 88.915148][ T917] usb_generic_driver_probe+0xcf/0x130 [ 88.920918][ T917] usb_probe_device+0xd8/0x2c0 [ 88.926243][ T917] ? usb_driver_release_interface+0x190/0x190 [ 88.932437][ T917] really_probe+0x240/0xca0 [ 88.937014][ T917] __driver_probe_device+0x1df/0x4b0 [ 88.942488][ T917] driver_probe_device+0x4c/0x1a0 [ 88.947604][ T917] __device_attach_driver+0x1d4/0x2e0 [ 88.953212][ T917] bus_for_each_drv+0x149/0x1d0 [ 88.958149][ T917] ? driver_probe_device+0x1a0/0x1a0 [ 88.963577][ T917] ? bus_for_each_dev+0x1c0/0x1c0 [ 88.968652][ T917] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 88.974653][ T917] ? lockdep_hardirqs_on+0x7d/0x100 [ 88.980043][ T917] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 88.985954][ T917] __device_attach+0x1e4/0x4b0 [ 88.991561][ T917] ? device_driver_attach+0x210/0x210 [ 88.997147][ T917] ? do_raw_spin_unlock+0x175/0x230 [ 89.002452][ T917] bus_probe_device+0x17c/0x1c0 [ 89.007338][ T917] device_add+0x112d/0x1a40 [ 89.011866][ T917] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 89.018820][ T917] ? add_device_randomness+0xb8/0xe0 [ 89.025650][ T917] usb_new_device+0xcb2/0x19d0 [ 89.030469][ T917] ? hub_disconnect+0x520/0x520 [ 89.035496][ T917] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.040856][ T917] hub_event+0x2d9e/0x4e40 [ 89.045430][ T917] ? hub_port_debounce+0x3b0/0x3b0 [ 89.050610][ T917] ? lock_sync+0x190/0x190 [ 89.055144][ T917] ? lock_downgrade+0x690/0x690 [ 89.060054][ T917] ? do_raw_spin_lock+0x124/0x2b0 [ 89.065179][ T917] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.070435][ T917] process_one_work+0xa34/0x16f0 [ 89.075512][ T917] ? lock_sync+0x190/0x190 [ 89.080078][ T917] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 89.085580][ T917] ? spin_bug+0x1c0/0x1c0 [ 89.090071][ T917] ? _raw_spin_lock_irq+0x45/0x50 [ 89.095327][ T917] worker_thread+0x67d/0x10c0 [ 89.100075][ T917] ? process_one_work+0x16f0/0x16f0 [ 89.105656][ T917] kthread+0x344/0x440 [ 89.109950][ T917] ? kthread_complete_and_exit+0x40/0x40 [ 89.115705][ T917] ret_from_fork+0x1f/0x30 [ 89.120289][ T917] [ 89.123397][ T917] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 89.130877][ T917] CPU: 0 PID: 917 Comm: kworker/0:2 Not tainted 6.4.0-syzkaller-11478-gd528014517f2 #0 [ 89.140620][ T917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 89.150780][ T917] Workqueue: usb_hub_wq hub_event [ 89.155839][ T917] Call Trace: [ 89.159217][ T917] [ 89.162169][ T917] dump_stack_lvl+0xd9/0x150 [ 89.166984][ T917] panic+0x686/0x730 [ 89.170926][ T917] ? panic_smp_self_stop+0xa0/0xa0 [ 89.176057][ T917] ? show_trace_log_lvl+0x284/0x390 [ 89.181289][ T917] ? __flush_work+0x946/0xb60 [ 89.185990][ T917] check_panic_on_warn+0xb1/0xc0 [ 89.190962][ T917] __warn+0xf2/0x390 [ 89.194877][ T917] ? __flush_work+0x946/0xb60 [ 89.199575][ T917] report_bug+0x2da/0x500 [ 89.204064][ T917] handle_bug+0x3c/0x70 [ 89.208243][ T917] exc_invalid_op+0x18/0x50 [ 89.212864][ T917] asm_exc_invalid_op+0x1a/0x20 [ 89.217863][ T917] RIP: 0010:__flush_work+0x946/0xb60 [ 89.223267][ T917] Code: 00 48 c7 c6 2b 36 54 81 48 c7 c7 00 27 9a 8c e8 c0 09 12 00 e9 6f fc ff ff e8 16 a9 30 00 0f 0b e9 63 fc ff ff e8 0a a9 30 00 <0f> 0b 45 31 ed e9 54 fc ff ff e8 6b d8 83 00 e9 3e fb ff ff e8 f1 [ 89.243250][ T917] RSP: 0018:ffffc900050aebf0 EFLAGS: 00010293 [ 89.250040][ T917] RAX: 0000000000000000 RBX: ffff888071a480e8 RCX: 0000000000000000 [ 89.258034][ T917] RDX: ffff88801fc05940 RSI: ffffffff81543666 RDI: 0000000000000001 [ 89.266115][ T917] RBP: ffffc900050aed88 R08: 0000000000000001 R09: 0000000000000000 [ 89.274201][ T917] R10: 0000000000000001 R11: 1ffffffff21ed137 R12: ffff888071a480e8 [ 89.282287][ T917] R13: 0000000000000001 R14: 0000000000000001 R15: ffff888071a48100 [ 89.290385][ T917] ? __flush_work+0x946/0xb60 [ 89.295461][ T917] ? print_usage_bug.part.0+0x670/0x670 [ 89.301337][ T917] ? mod_delayed_work_on+0x220/0x220 [ 89.306671][ T917] ? find_held_lock+0x2d/0x110 [ 89.311564][ T917] ? usb_hcd_unlink_urb+0xb7/0x200 [ 89.316727][ T917] ? lock_downgrade+0x690/0x690 [ 89.321630][ T917] ? mark_held_locks+0x9f/0xe0 [ 89.326528][ T917] __cancel_work_timer+0x3f9/0x570 [ 89.331682][ T917] ? work_on_cpu_safe+0xa0/0xa0 [ 89.336830][ T917] ? usb_anchor_suspend_wakeups+0x40/0x40 [ 89.342616][ T917] smsusb_start_streaming+0x33c/0x650 [ 89.348123][ T917] smsusb_init_device+0x7f7/0xd20 [ 89.353288][ T917] ? smsusb_disconnect+0x20/0x20 [ 89.358293][ T917] ? do_submit_urb+0x400/0x400 [ 89.363174][ T917] ? rcu_is_watching+0x12/0xb0 [ 89.368016][ T917] ? kfree+0x10e/0x150 [ 89.372121][ T917] ? usb_clear_halt+0x101/0x1c0 [ 89.377127][ T917] smsusb_probe+0x5b9/0x10b0 [ 89.381962][ T917] ? smsusb_init_device+0xd20/0xd20 [ 89.387294][ T917] ? mark_held_locks+0x9f/0xe0 [ 89.392192][ T917] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 89.398136][ T917] ? lockdep_hardirqs_on+0x7d/0x100 [ 89.403453][ T917] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 89.409416][ T917] ? __pm_runtime_set_status+0x442/0xd90 [ 89.416270][ T917] usb_probe_interface+0x30f/0x960 [ 89.421533][ T917] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 89.429432][ T917] really_probe+0x240/0xca0 [ 89.434092][ T917] __driver_probe_device+0x1df/0x4b0 [ 89.439441][ T917] ? usb_match_id.part.0+0x163/0x1b0 [ 89.444940][ T917] driver_probe_device+0x4c/0x1a0 [ 89.450015][ T917] __device_attach_driver+0x1d4/0x2e0 [ 89.455467][ T917] bus_for_each_drv+0x149/0x1d0 [ 89.460376][ T917] ? driver_probe_device+0x1a0/0x1a0 [ 89.465907][ T917] ? bus_for_each_dev+0x1c0/0x1c0 [ 89.470983][ T917] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 89.476843][ T917] ? lockdep_hardirqs_on+0x7d/0x100 [ 89.482077][ T917] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 89.487956][ T917] __device_attach+0x1e4/0x4b0 [ 89.493121][ T917] ? device_driver_attach+0x210/0x210 [ 89.498641][ T917] ? do_raw_spin_unlock+0x175/0x230 [ 89.503884][ T917] bus_probe_device+0x17c/0x1c0 [ 89.508801][ T917] device_add+0x112d/0x1a40 [ 89.513446][ T917] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 89.520369][ T917] ? usb_create_ep_devs+0x1f7/0x2a0 [ 89.525625][ T917] ? create_intf_ep_devs.isra.0+0x193/0x200 [ 89.531562][ T917] usb_set_configuration+0x1196/0x1bc0 [ 89.537169][ T917] usb_generic_driver_probe+0xcf/0x130 [ 89.542685][ T917] usb_probe_device+0xd8/0x2c0 [ 89.547505][ T917] ? usb_driver_release_interface+0x190/0x190 [ 89.553618][ T917] really_probe+0x240/0xca0 [ 89.558216][ T917] __driver_probe_device+0x1df/0x4b0 [ 89.563647][ T917] driver_probe_device+0x4c/0x1a0 [ 89.568730][ T917] __device_attach_driver+0x1d4/0x2e0 [ 89.574152][ T917] bus_for_each_drv+0x149/0x1d0 [ 89.579053][ T917] ? driver_probe_device+0x1a0/0x1a0 [ 89.584469][ T917] ? bus_for_each_dev+0x1c0/0x1c0 [ 89.589529][ T917] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 89.595719][ T917] ? lockdep_hardirqs_on+0x7d/0x100 [ 89.602044][ T917] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 89.608040][ T917] __device_attach+0x1e4/0x4b0 [ 89.612860][ T917] ? device_driver_attach+0x210/0x210 [ 89.618482][ T917] ? do_raw_spin_unlock+0x175/0x230 [ 89.623832][ T917] bus_probe_device+0x17c/0x1c0 [ 89.628747][ T917] device_add+0x112d/0x1a40 [ 89.633301][ T917] ? __fw_devlink_link_to_consumers.isra.0+0x270/0x270 [ 89.640287][ T917] ? add_device_randomness+0xb8/0xe0 [ 89.646252][ T917] usb_new_device+0xcb2/0x19d0 [ 89.651245][ T917] ? hub_disconnect+0x520/0x520 [ 89.656427][ T917] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.661794][ T917] hub_event+0x2d9e/0x4e40 [ 89.666398][ T917] ? hub_port_debounce+0x3b0/0x3b0 [ 89.671583][ T917] ? lock_sync+0x190/0x190 [ 89.676058][ T917] ? lock_downgrade+0x690/0x690 [ 89.680949][ T917] ? do_raw_spin_lock+0x124/0x2b0 [ 89.686051][ T917] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.691651][ T917] process_one_work+0xa34/0x16f0 [ 89.696732][ T917] ? lock_sync+0x190/0x190 [ 89.701486][ T917] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 89.707039][ T917] ? spin_bug+0x1c0/0x1c0 [ 89.711423][ T917] ? _raw_spin_lock_irq+0x45/0x50 [ 89.716585][ T917] worker_thread+0x67d/0x10c0 [ 89.721346][ T917] ? process_one_work+0x16f0/0x16f0 [ 89.726606][ T917] kthread+0x344/0x440 [ 89.730728][ T917] ? kthread_complete_and_exit+0x40/0x40 [ 89.736413][ T917] ret_from_fork+0x1f/0x30 [ 89.740899][ T917] [ 89.744430][ T917] Kernel Offset: disabled [ 89.749005][ T917] Rebooting in 86400 seconds..