./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1793746482 <...> Warning: Permanently added '10.128.1.7' (ED25519) to the list of known hosts. execve("./syz-executor1793746482", ["./syz-executor1793746482"], 0x7ffc720c5610 /* 10 vars */) = 0 brk(NULL) = 0x555556fd4000 brk(0x555556fd4d00) = 0x555556fd4d00 arch_prctl(ARCH_SET_FS, 0x555556fd4380) = 0 set_tid_address(0x555556fd4650) = 5067 set_robust_list(0x555556fd4660, 24) = 0 rseq(0x555556fd4ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1793746482", 4096) = 28 getrandom("\xb8\x99\x18\x3e\x70\xf6\xd7\x03", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556fd4d00 brk(0x555556ff5d00) = 0x555556ff5d00 brk(0x555556ff6000) = 0x555556ff6000 mprotect(0x7fc911697000, 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=0x555556fd4650) = 5068 ./strace-static-x86_64: Process 5068 attached [pid 5068] set_robust_list(0x555556fd4660, 24) = 0 [pid 5068] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setsid() = 1 [pid 5068] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5068] unshare(CLONE_NEWNS) = 0 [pid 5068] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5068] unshare(CLONE_NEWIPC) = 0 [pid 5068] unshare(CLONE_NEWCGROUP) = 0 [pid 5068] unshare(CLONE_NEWUTS) = 0 [pid 5068] unshare(CLONE_SYSVSEM) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "16777216", 8) = 8 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "536870912", 9) = 9 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "8192", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5068] close(3) = 0 [pid 5068] getpid() = 1 [pid 5068] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 e9 b6 fe ff ff bb f8 ff ff ff e9 95 f3 ff ff 48 89 ef [ 59.151033][ C0] RSP: 0018:ffffc90000007950 EFLAGS: 00010086 [ 59.151048][ C0] RAX: 0000000000000000 RBX: ffff888015fa8700 RCX: ffffffff814db209 [ 59.151059][ C0] RDX: ffff888017e45940 RSI: ffffffff814db216 RDI: 0000000000000001 [ 59.151069][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 59.151079][ C0] R10: 0000000000000000 R11: 0000000000000007 R12: 0000000000000046 [ 59.151090][ C0] R13: ffff88801f6a3058 R14: 000000000000000f R15: 0000000000000001 [ 59.151106][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 59.151123][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.151139][ C0] CR2: 000000002000227c CR3: 0000000077dd9000 CR4: 0000000000350ef0 [ 59.151150][ C0] Call Trace: [ 59.151156][ C0] [ 59.151162][ C0] ? show_regs+0x8f/0xa0 [ 59.151190][ C0] ? __warn+0xe6/0x390 [ 59.151211][ C0] ? __wake_up_klogd.part.0+0x99/0xf0 [ 59.151237][ C0] ? usb_submit_urb+0x14d6/0x1730 [ 59.151253][ C0] ? report_bug+0x3bc/0x580 [ 59.151275][ C0] ? handle_bug+0x3d/0x70 [ 59.151296][ C0] ? exc_invalid_op+0x17/0x40 [ 59.151316][ C0] ? asm_exc_invalid_op+0x1a/0x20 [ 59.151347][ C0] ? __warn_printk+0x199/0x350 [ 59.151370][ C0] ? __warn_printk+0x1a6/0x350 [ 59.151395][ C0] ? usb_submit_urb+0x14d6/0x1730 [ 59.151414][ C0] ? spin_bug+0x1d0/0x1d0 [ 59.151429][ C0] ? idr_get_free+0xa30/0xa30 [ 59.151452][ C0] cm109_urb_irq_callback+0x2e7/0xb50 [ 59.151480][ C0] ? usb_hcd_unmap_urb_for_dma+0x109/0x6d0 [ 59.151506][ C0] ? dummy_timer+0x1406/0x3600 [ 59.151531][ C0] __usb_hcd_giveback_urb+0x359/0x5c0 [ 59.151563][ C0] usb_hcd_giveback_urb+0x389/0x430 [ 59.151593][ C0] dummy_timer+0x1415/0x3600 [ 59.151645][ C0] ? dummy_urb_enqueue+0x8f0/0x8f0 [ 59.151672][ C0] ? do_raw_spin_unlock+0x173/0x230 [ 59.151692][ C0] ? dummy_urb_enqueue+0x8f0/0x8f0 [ 59.151710][ C0] call_timer_fn+0x193/0x590 [ 59.151733][ C0] ? timer_fixup_assert_init+0x210/0x210 [ 59.151755][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 59.151781][ C0] ? mark_held_locks+0x9f/0xe0 [ 59.151807][ C0] ? dummy_urb_enqueue+0x8f0/0x8f0 [ 59.151826][ C0] __run_timers+0x764/0xb20 [ 59.151867][ C0] ? call_timer_fn+0x590/0x590 [ 59.151898][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 59.151924][ C0] ? sched_clock_cpu+0x6d/0x4c0 [ 59.151961][ C0] ? mark_held_locks+0x9f/0xe0 [ 59.151993][ C0] run_timer_softirq+0x58/0xd0 [ 59.152022][ C0] __do_softirq+0x21a/0x8de [ 59.152044][ C0] ? __lock_text_end+0x3/0x3 [ 59.152065][ C0] irq_exit_rcu+0xb7/0x120 [ 59.152084][ C0] sysvec_apic_timer_interrupt+0x95/0xb0 [ 59.152101][ C0] [ 59.152104][ C0] [ 59.152107][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 59.152116][ C0] RIP: 0010:console_flush_all+0xa0e/0xd60 [ 59.152126][ C0] Code: e8 d7 7b 23 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 85 be 1c 00 48 85 db 0f 85 7c 01 00 00 e8 e7 c2 1c 00 fb 48 8b 04 24 <4c> 89 fa 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 55 02 00 00 41 [ 59.152135][ C0] RSP: 0018:ffffc900000d75b8 EFLAGS: 00000293 [ 59.152143][ C0] RAX: fffff5200001aede RBX: 0000000000000000 RCX: ffffffff816ac74b [ 59.152150][ C0] RDX: ffff888017e45940 RSI: ffffffff816ac759 RDI: 0000000000000007 [ 59.152155][ C0] RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000 [ 59.152161][ C0] R10: 0000000000000000 R11: 0000000000000006 R12: 0000000000000000 [ 59.152166][ C0] R13: ffffffff8db95238 R14: ffffffff8db951e0 R15: ffffc900000d76f0 [ 59.152175][ C0] ? console_flush_all+0x9fb/0xd60 [ 59.152184][ C0] ? console_flush_all+0xa09/0xd60 [ 59.152195][ C0] ? console_flush_all+0xa09/0xd60 [ 59.152206][ C0] ? devkmsg_read+0x550/0x550 [ 59.152216][ C0] ? lock_sync+0x190/0x190 [ 59.152231][ C0] console_unlock+0x10c/0x260 [ 59.152240][ C0] ? console_flush_all+0xd60/0xd60 [ 59.152251][ C0] ? __down_trylock_console_sem+0xac/0x140 [ 59.152265][ C0] ? __down_trylock_console_sem+0xb2/0x140 [ 59.152280][ C0] vprintk_emit+0x17f/0x5f0 [ 59.152290][ C0] dev_printk_emit+0xfb/0x140 [ 59.152302][ C0] ? device_remove_file+0x30/0x30 [ 59.152316][ C0] ? hlock_class+0x4e/0x130 [ 59.152327][ C0] ? mark_lock+0xb5/0xc50 [ 59.152340][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 59.152356][ C0] __dev_printk+0xf5/0x270 [ 59.152367][ C0] _dev_info+0xe5/0x120 [ 59.152377][ C0] ? _dev_notice+0x120/0x120 [ 59.152388][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 59.152403][ C0] ? mark_held_locks+0x9f/0xe0 [ 59.152419][ C0] usb_disconnect+0xec/0x910 [ 59.152433][ C0] hub_event+0x1db7/0x4e10 [ 59.152456][ C0] ? hub_port_debounce+0x3d0/0x3d0 [ 59.152468][ C0] ? __lock_acquire+0x3490/0x3b20 [ 59.152481][ C0] ? lock_sync+0x190/0x190 [ 59.152494][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 59.152512][ C0] process_one_work+0x886/0x15d0 [ 59.152527][ C0] ? lock_sync+0x190/0x190 [ 59.152540][ C0] ? workqueue_congested+0x300/0x300 [ 59.152555][ C0] ? assign_work+0x1a0/0x250 [ 59.152568][ C0] worker_thread+0x8b9/0x1290 [ 59.152585][ C0] ? process_one_work+0x15d0/0x15d0 [ 59.152597][ C0] kthread+0x2c6/0x3a0 [ 59.152607][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 59.152617][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 59.152629][ C0] ret_from_fork+0x45/0x80 [ 59.152639][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 59.152651][ C0] ret_from_fork_asm+0x11/0x20 [ 59.152669][ C0] [ 59.152674][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.152679][ C0] CPU: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.7.0-rc3-syzkaller-00033-g3b47bc037bd4 #0 [ 59.152689][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 59.152694][ C0] Workqueue: usb_hub_wq hub_event [ 59.152705][ C0] Call Trace: [ 59.152708][ C0] [ 59.152711][ C0] dump_stack_lvl+0xd9/0x1b0 [ 59.152722][ C0] panic+0x6dc/0x790 [ 59.152734][ C0] ? panic_smp_self_stop+0xa0/0xa0 [ 59.152745][ C0] ? show_trace_log_lvl+0x363/0x4f0 [ 59.152761][ C0] ? check_panic_on_warn+0x1f/0xb0 [ 59.152784][ C0] ? usb_submit_urb+0x14d6/0x1730 [ 59.152792][ C0] check_panic_on_warn+0xab/0xb0 [ 59.152805][ C0] __warn+0xf2/0x390 [ 59.152818][ C0] ? __wake_up_klogd.part.0+0x99/0xf0 [ 59.152836][ C0] ? usb_submit_urb+0x14d6/0x1730 [ 59.152844][ C0] report_bug+0x3bc/0x580 [ 59.152856][ C0] handle_bug+0x3d/0x70 [ 59.152867][ C0] exc_invalid_op+0x17/0x40 [ 59.152878][ C0] asm_exc_invalid_op+0x1a/0x20 [ 59.152891][ C0] RIP: 0010:usb_submit_urb+0x14d6/0x1730 [ 59.152900][ C0] Code: fe eb cb bb fe ff ff ff e9 c5 f3 ff ff e8 02 46 07 fb c6 05 c1 14 83 08 01 90 48 c7 c7 c0 fb 85 8b 48 89 de e8 1b 6c cd fa 90 <0f> 0b 90 90 e9 b6 fe ff ff bb f8 ff ff ff e9 95 f3 ff ff 48 89 ef [ 59.152908][ C0] RSP: 0018:ffffc90000007950 EFLAGS: 00010086 [ 59.152921][ C0] RAX: 0000000000000000 RBX: ffff888015fa8700 RCX: ffffffff814db209 [ 59.152927][ C0] RDX: ffff888017e45940 RSI: ffffffff814db216 RDI: 0000000000000001 [ 59.152932][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 59.152937][ C0] R10: 0000000000000000 R11: 0000000000000007 R12: 0000000000000046 [ 59.152943][ C0] R13: ffff88801f6a3058 R14: 000000000000000f R15: 0000000000000001 [ 59.152953][ C0] ? __warn_printk+0x199/0x350 [ 59.152964][ C0] ? __warn_printk+0x1a6/0x350 [ 59.152977][ C0] ? spin_bug+0x1d0/0x1d0 [ 59.152985][ C0] ? idr_get_free+0xa30/0xa30 [ 59.152997][ C0] cm109_urb_irq_callback+0x2e7/0xb50 [ 59.153009][ C0] ? usb_hcd_unmap_urb_for_dma+0x109/0x6d0 [ 59.153022][ C0] ? dummy_timer+0x1406/0x3600 [ 59.153033][ C0] __usb_hcd_giveback_urb+0x359/0x5c0 [ 59.153047][ C0] usb_hcd_giveback_urb+0x389/0x430 [ 59.153062][ C0] dummy_timer+0x1415/0x3600 [ 59.153083][ C0] ? dummy_urb_enqueue+0x8f0/0x8f0 [ 59.153094][ C0] ? do_raw_spin_unlock+0x173/0x230 [ 59.153104][ C0] ? dummy_urb_enqueue+0x8f0/0x8f0 [ 59.153114][ C0] call_timer_fn+0x193/0x590 [ 59.153127][ C0] ? timer_fixup_assert_init+0x210/0x210 [ 59.153139][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 59.153154][ C0] ? mark_held_locks+0x9f/0xe0 [ 59.153168][ C0] ? dummy_urb_enqueue+0x8f0/0x8f0 [ 59.153179][ C0] __run_timers+0x764/0xb20 [ 59.153194][ C0] ? call_timer_fn+0x590/0x590 [ 59.153207][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 59.153219][ C0] ? sched_clock_cpu+0x6d/0x4c0 [ 59.153236][ C0] ? mark_held_locks+0x9f/0xe0 [ 59.153250][ C0] run_timer_softirq+0x58/0xd0 [ 59.153263][ C0] __do_softirq+0x21a/0x8de [ 59.153275][ C0] ? __lock_text_end+0x3/0x3 [ 59.153287][ C0] irq_exit_rcu+0xb7/0x120 [ 59.153297][ C0] sysvec_apic_timer_interrupt+0x95/0xb0 [ 59.153310][ C0] [ 59.153313][ C0] [ 59.153316][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 59.153325][ C0] RIP: 0010:console_flush_all+0xa0e/0xd60 [ 59.153334][ C0] Code: e8 d7 7b 23 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 85 be 1c 00 48 85 db 0f 85 7c 01 00 00 e8 e7 c2 1c 00 fb 48 8b 04 24 <4c> 89 fa 83 e2 07 0f b6 00 38 d0 7f 08 84 c0 0f 85 55 02 00 00 41 [ 59.153341][ C0] RSP: 0018:ffffc900000d75b8 EFLAGS: 00000293 [ 59.153348][ C0] RAX: fffff5200001aede RBX: 0000000000000000 RCX: ffffffff816ac74b [ 59.153354][ C0] RDX: ffff888017e45940 RSI: ffffffff816ac759 RDI: 0000000000000007 [ 59.153359][ C0] RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000 [ 59.153364][ C0] R10: 0000000000000000 R11: 0000000000000006 R12: 0000000000000000 [ 59.153369][ C0] R13: ffffffff8db95238 R14: ffffffff8db951e0 R15: ffffc900000d76f0 [ 59.153378][ C0] ? console_flush_all+0x9fb/0xd60 [ 59.153387][ C0] ? console_flush_all+0xa09/0xd60 [ 59.153397][ C0] ? console_flush_all+0xa09/0xd60 [ 59.153408][ C0] ? devkmsg_read+0x550/0x550 [ 59.153418][ C0] ? lock_sync+0x190/0x190 [ 59.153432][ C0] console_unlock+0x10c/0x260 [ 59.153441][ C0] ? console_flush_all+0xd60/0xd60 [ 59.153452][ C0] ? __down_trylock_console_sem+0xac/0x140 [ 59.153465][ C0] ? __down_trylock_console_sem+0xb2/0x140 [ 59.153480][ C0] vprintk_emit+0x17f/0x5f0 [ 59.153490][ C0] dev_printk_emit+0xfb/0x140 [ 59.153499][ C0] ? device_remove_file+0x30/0x30 [ 59.153513][ C0] ? hlock_class+0x4e/0x130 [ 59.153524][ C0] ? mark_lock+0xb5/0xc50 [ 59.153536][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 59.153552][ C0] __dev_printk+0xf5/0x270 [ 59.153563][ C0] _dev_info+0xe5/0x120 [ 59.153573][ C0] ? _dev_notice+0x120/0x120 [ 59.153584][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 59.153598][ C0] ? mark_held_locks+0x9f/0xe0 [ 59.153614][ C0] usb_disconnect+0xec/0x910 [ 59.153628][ C0] hub_event+0x1db7/0x4e10 [ 59.153650][ C0] ? hub_port_debounce+0x3d0/0x3d0 [ 59.153662][ C0] ? __lock_acquire+0x3490/0x3b20 [ 59.153675][ C0] ? lock_sync+0x190/0x190 [ 59.153687][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 59.153705][ C0] process_one_work+0x886/0x15d0 [ 59.153719][ C0] ? lock_sync+0x190/0x190 [ 59.153732][ C0] ? workqueue_congested+0x300/0x300 [ 59.153747][ C0] ? assign_work+0x1a0/0x250 [ 59.153759][ C0] worker_thread+0x8b9/0x1290 [ 59.153776][ C0] ? process_one_work+0x15d0/0x15d0 [ 59.153787][ C0] kthread+0x2c6/0x3a0 [ 59.153797][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 59.153806][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 59.153817][ C0] ret_from_fork+0x45/0x80 [ 59.153828][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 59.153843][ C0] ret_from_fork_asm+0x11/0x20 [ 59.153859][ C0] [ 59.154127][ C0] Kernel Offset: disabled