./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4005679983 <...> Warning: Permanently added '10.128.1.40' (ED25519) to the list of known hosts. execve("./syz-executor4005679983", ["./syz-executor4005679983"], 0x7ffcc3190440 /* 10 vars */) = 0 brk(NULL) = 0x555555db0000 brk(0x555555db0d00) = 0x555555db0d00 arch_prctl(ARCH_SET_FS, 0x555555db0380) = 0 set_tid_address(0x555555db0650) = 5031 set_robust_list(0x555555db0660, 24) = 0 rseq(0x555555db0ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4005679983", 4096) = 28 getrandom("\x76\xa0\x7c\x86\x23\x01\xe2\x9d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555db0d00 brk(0x555555dd1d00) = 0x555555dd1d00 brk(0x555555dd2000) = 0x555555dd2000 mprotect(0x7f60a613f000, 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 5032 attached , child_tidptr=0x555555db0650) = 5032 [pid 5032] set_robust_list(0x555555db0660, 24) = 0 [pid 5032] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5032] setsid() = 1 [pid 5032] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5032] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5032] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5032] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5032] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5032] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5032] unshare(CLONE_NEWNS) = 0 [pid 5032] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5032] unshare(CLONE_NEWIPC) = 0 [pid 5032] unshare(CLONE_NEWCGROUP) = 0 [pid 5032] unshare(CLONE_NEWUTS) = 0 [pid 5032] unshare(CLONE_SYSVSEM) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "16777216", 8) = 8 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "536870912", 9) = 9 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1024", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "8192", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1024", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1024", 4) = 4 [pid 5032] close(3) = 0 [pid 5032] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5032] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5032] close(3) = 0 [pid 5032] getpid() = 1 [pid 5032] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 48 8b 5c 24 30 41 89 dc 4c 89 e7 48 c7 c6 30 36 e6 8d e8 8f [ 60.672800][ T9] RSP: 0018:ffffc900000e6c10 EFLAGS: 00010246 [ 60.678950][ T9] RAX: df3eec63fd882b00 RBX: dffffc0000000000 RCX: ffff888016678000 [ 60.686984][ T9] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 60.695003][ T9] RBP: 0000000000000003 R08: ffffffff81543312 R09: 1ffff9200001ccd4 [ 60.703052][ T9] R10: dffffc0000000000 R11: fffff5200001ccd5 R12: ffff888013ac4618 [ 60.711073][ T9] R13: ffff88801fc13a00 R14: 0000000000000001 R15: ffffffff8ba5566c [ 60.719090][ T9] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 60.728087][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.734733][ T9] CR2: 00007f60a61133f8 CR3: 000000000d130000 CR4: 00000000003506f0 [ 60.742707][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.750738][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.758899][ T9] Call Trace: [ 60.762163][ T9] [ 60.765210][ T9] ? __warn+0x162/0x4a0 [ 60.769381][ T9] ? usb_submit_urb+0xc48/0x18b0 [ 60.774361][ T9] ? report_bug+0x2b3/0x500 [ 60.778866][ T9] ? usb_submit_urb+0xc48/0x18b0 [ 60.783869][ T9] ? handle_bug+0x3d/0x70 [ 60.788212][ T9] ? exc_invalid_op+0x1a/0x50 [ 60.792898][ T9] ? asm_exc_invalid_op+0x1a/0x20 [ 60.797977][ T9] ? __warn_printk+0x292/0x360 [ 60.802767][ T9] ? usb_submit_urb+0xc48/0x18b0 [ 60.807792][ T9] ar5523_submit_rx_cmd+0x1d2/0x2f0 [ 60.813000][ T9] ar5523_probe+0x127a/0x21f0 [ 60.817735][ T9] ? ath6kl_usb_usb_transmit_complete+0x280/0x280 [ 60.824267][ T9] ? __pm_runtime_set_status+0x7ee/0xba0 [ 60.829888][ T9] ? do_raw_spin_unlock+0x13b/0x8b0 [ 60.835215][ T9] usb_probe_interface+0x5c4/0xb00 [ 60.840340][ T9] ? usb_register_driver+0x3d0/0x3d0 [ 60.845712][ T9] really_probe+0x294/0xc30 [ 60.850226][ T9] __driver_probe_device+0x1a2/0x3d0 [ 60.855560][ T9] driver_probe_device+0x50/0x420 [ 60.860603][ T9] __device_attach_driver+0x2d3/0x520 [ 60.866034][ T9] bus_for_each_drv+0x24a/0x2d0 [ 60.870891][ T9] ? coredump_store+0x90/0x90 [ 60.875652][ T9] ? bus_find_device+0x2e0/0x2e0 [ 60.880606][ T9] __device_attach+0x32f/0x510 [ 60.885434][ T9] ? __lock_acquire+0x7f70/0x7f70 [ 60.890466][ T9] ? device_attach+0x20/0x20 [ 60.895092][ T9] ? do_raw_spin_unlock+0x13b/0x8b0 [ 60.900303][ T9] bus_probe_device+0x185/0x260 [ 60.905211][ T9] device_add+0x956/0xd30 [ 60.909558][ T9] usb_set_configuration+0x1976/0x1fb0 [ 60.915213][ T9] usb_generic_driver_probe+0x88/0x140 [ 60.920702][ T9] usb_probe_device+0x134/0x270 [ 60.925638][ T9] ? usb_register_device_driver+0x240/0x240 [ 60.931546][ T9] really_probe+0x294/0xc30 [ 60.936137][ T9] __driver_probe_device+0x1a2/0x3d0 [ 60.941434][ T9] driver_probe_device+0x50/0x420 [ 60.946520][ T9] __device_attach_driver+0x2d3/0x520 [ 60.951925][ T9] bus_for_each_drv+0x24a/0x2d0 [ 60.956814][ T9] ? coredump_store+0x90/0x90 [ 60.961498][ T9] ? bus_find_device+0x2e0/0x2e0 [ 60.966511][ T9] __device_attach+0x32f/0x510 [ 60.971286][ T9] ? device_attach+0x20/0x20 [ 60.975922][ T9] bus_probe_device+0x185/0x260 [ 60.980783][ T9] device_add+0x956/0xd30 [ 60.985218][ T9] usb_new_device+0xb7e/0x18d0 [ 60.990001][ T9] ? usb_disconnect+0x8d0/0x8d0 [ 60.995060][ T9] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.000269][ T9] ? lockdep_hardirqs_on+0x98/0x140 [ 61.005536][ T9] hub_event+0x2e3c/0x5090 [ 61.009998][ T9] ? led_work+0x770/0x770 [ 61.014386][ T9] ? read_lock_is_recursive+0x20/0x20 [ 61.019766][ T9] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 61.025815][ T9] ? print_irqtrace_events+0x220/0x220 [ 61.031286][ T9] ? process_scheduled_works+0x825/0x1400 [ 61.037058][ T9] process_scheduled_works+0x90f/0x1400 [ 61.042648][ T9] ? assign_work+0x3d0/0x3d0 [ 61.047309][ T9] ? assign_work+0x364/0x3d0 [ 61.051921][ T9] worker_thread+0xa5f/0xff0 [ 61.056727][ T9] kthread+0x2d3/0x370 [ 61.060800][ T9] ? pr_cont_work+0x5e0/0x5e0 [ 61.065519][ T9] ? kthread_blkcg+0xd0/0xd0 [ 61.070114][ T9] ret_from_fork+0x48/0x80 [ 61.074672][ T9] ? kthread_blkcg+0xd0/0xd0 [ 61.079266][ T9] ret_from_fork_asm+0x11/0x20 [ 61.084110][ T9] [ 61.087131][ T9] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 61.094391][ T9] CPU: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.6.0-rc1-syzkaller-00269-ge789286468a9 #0 [ 61.104176][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 61.114212][ T9] Workqueue: usb_hub_wq hub_event [ 61.119227][ T9] Call Trace: [ 61.122491][ T9] [ 61.125404][ T9] dump_stack_lvl+0x1e7/0x2d0 [ 61.130068][ T9] ? nf_tcp_handle_invalid+0x650/0x650 [ 61.135507][ T9] ? panic+0x770/0x770 [ 61.139569][ T9] ? vscnprintf+0x5d/0x80 [ 61.143891][ T9] panic+0x30f/0x770 [ 61.147786][ T9] ? __warn+0x171/0x4a0 [ 61.151923][ T9] ? __memcpy_flushcache+0x2b0/0x2b0 [ 61.157198][ T9] ? ret_from_fork_asm+0x11/0x20 [ 61.162119][ T9] __warn+0x314/0x4a0 [ 61.166089][ T9] ? usb_submit_urb+0xc48/0x18b0 [ 61.171032][ T9] report_bug+0x2b3/0x500 [ 61.175360][ T9] ? usb_submit_urb+0xc48/0x18b0 [ 61.180284][ T9] handle_bug+0x3d/0x70 [ 61.184421][ T9] exc_invalid_op+0x1a/0x50 [ 61.188902][ T9] asm_exc_invalid_op+0x1a/0x20 [ 61.193731][ T9] RIP: 0010:usb_submit_urb+0xc48/0x18b0 [ 61.199266][ T9] Code: 89 f8 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 a8 08 00 00 45 8b 07 48 c7 c7 80 58 a5 8b 48 8b 34 24 4c 89 e2 89 e9 e8 68 95 c1 fa <0f> 0b 48 8b 5c 24 30 41 89 dc 4c 89 e7 48 c7 c6 30 36 e6 8d e8 8f [ 61.218863][ T9] RSP: 0018:ffffc900000e6c10 EFLAGS: 00010246 [ 61.224920][ T9] RAX: df3eec63fd882b00 RBX: dffffc0000000000 RCX: ffff888016678000 [ 61.232881][ T9] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 61.240838][ T9] RBP: 0000000000000003 R08: ffffffff81543312 R09: 1ffff9200001ccd4 [ 61.248800][ T9] R10: dffffc0000000000 R11: fffff5200001ccd5 R12: ffff888013ac4618 [ 61.256767][ T9] R13: ffff88801fc13a00 R14: 0000000000000001 R15: ffffffff8ba5566c [ 61.264735][ T9] ? __warn_printk+0x292/0x360 [ 61.269511][ T9] ar5523_submit_rx_cmd+0x1d2/0x2f0 [ 61.274709][ T9] ar5523_probe+0x127a/0x21f0 [ 61.279390][ T9] ? ath6kl_usb_usb_transmit_complete+0x280/0x280 [ 61.285792][ T9] ? __pm_runtime_set_status+0x7ee/0xba0 [ 61.291420][ T9] ? do_raw_spin_unlock+0x13b/0x8b0 [ 61.296615][ T9] usb_probe_interface+0x5c4/0xb00 [ 61.301725][ T9] ? usb_register_driver+0x3d0/0x3d0 [ 61.306999][ T9] really_probe+0x294/0xc30 [ 61.311500][ T9] __driver_probe_device+0x1a2/0x3d0 [ 61.316780][ T9] driver_probe_device+0x50/0x420 [ 61.321804][ T9] __device_attach_driver+0x2d3/0x520 [ 61.327173][ T9] bus_for_each_drv+0x24a/0x2d0 [ 61.332016][ T9] ? coredump_store+0x90/0x90 [ 61.336683][ T9] ? bus_find_device+0x2e0/0x2e0 [ 61.341620][ T9] __device_attach+0x32f/0x510 [ 61.346376][ T9] ? __lock_acquire+0x7f70/0x7f70 [ 61.351394][ T9] ? device_attach+0x20/0x20 [ 61.356325][ T9] ? do_raw_spin_unlock+0x13b/0x8b0 [ 61.361519][ T9] bus_probe_device+0x185/0x260 [ 61.366365][ T9] device_add+0x956/0xd30 [ 61.370693][ T9] usb_set_configuration+0x1976/0x1fb0 [ 61.376156][ T9] usb_generic_driver_probe+0x88/0x140 [ 61.381613][ T9] usb_probe_device+0x134/0x270 [ 61.386460][ T9] ? usb_register_device_driver+0x240/0x240 [ 61.392342][ T9] really_probe+0x294/0xc30 [ 61.396842][ T9] __driver_probe_device+0x1a2/0x3d0 [ 61.402121][ T9] driver_probe_device+0x50/0x420 [ 61.407155][ T9] __device_attach_driver+0x2d3/0x520 [ 61.412531][ T9] bus_for_each_drv+0x24a/0x2d0 [ 61.417377][ T9] ? coredump_store+0x90/0x90 [ 61.422044][ T9] ? bus_find_device+0x2e0/0x2e0 [ 61.426985][ T9] __device_attach+0x32f/0x510 [ 61.431742][ T9] ? device_attach+0x20/0x20 [ 61.436330][ T9] bus_probe_device+0x185/0x260 [ 61.441172][ T9] device_add+0x956/0xd30 [ 61.445503][ T9] usb_new_device+0xb7e/0x18d0 [ 61.450273][ T9] ? usb_disconnect+0x8d0/0x8d0 [ 61.455506][ T9] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.460700][ T9] ? lockdep_hardirqs_on+0x98/0x140 [ 61.465891][ T9] hub_event+0x2e3c/0x5090 [ 61.470345][ T9] ? led_work+0x770/0x770 [ 61.474666][ T9] ? read_lock_is_recursive+0x20/0x20 [ 61.480026][ T9] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 61.485998][ T9] ? print_irqtrace_events+0x220/0x220 [ 61.491454][ T9] ? process_scheduled_works+0x825/0x1400 [ 61.497165][ T9] process_scheduled_works+0x90f/0x1400 [ 61.502718][ T9] ? assign_work+0x3d0/0x3d0 [ 61.507309][ T9] ? assign_work+0x364/0x3d0 [ 61.511893][ T9] worker_thread+0xa5f/0xff0 [ 61.516490][ T9] kthread+0x2d3/0x370 [ 61.520550][ T9] ? pr_cont_work+0x5e0/0x5e0 [ 61.525216][ T9] ? kthread_blkcg+0xd0/0xd0 [ 61.529793][ T9] ret_from_fork+0x48/0x80 [ 61.534197][ T9] ? kthread_blkcg+0xd0/0xd0 [ 61.538775][ T9] ret_from_fork_asm+0x11/0x20 [ 61.543547][ T9] [ 61.546746][ T9] Kernel Offset: disabled [ 61.551165][ T9] Rebooting in 86400 seconds..