Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 516.601170][ T26] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 516.850973][ T26] usb 1-1: Using ep0 maxpacket: 16 [ 516.971374][ T26] usb 1-1: config 0 has an invalid interface number: 48 but max is 0 [ 516.979663][ T26] usb 1-1: config 0 has no interface number 0 [ 516.986260][ T26] usb 1-1: config 0 interface 48 altsetting 0 bulk endpoint 0xB has invalid maxpacket 32 [ 516.996893][ T26] usb 1-1: config 0 interface 48 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 517.007572][ T26] usb 1-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=67.c7 [ 517.017050][ T26] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 517.029653][ T26] usb 1-1: config 0 descriptor?? [ 517.052158][ T8454] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 517.059428][ T8454] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 517.286903][ T7] usb 1-1: USB disconnect, device number 2 [ 517.721034][ T7] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 517.960880][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 518.081024][ T7] usb 1-1: config 0 has an invalid interface number: 48 but max is 0 [ 518.090608][ T7] usb 1-1: config 0 has no interface number 0 [ 518.097296][ T7] usb 1-1: config 0 interface 48 altsetting 0 bulk endpoint 0xB has invalid maxpacket 32 [ 518.108210][ T7] usb 1-1: config 0 interface 48 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 518.119154][ T7] usb 1-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=67.c7 [ 518.128316][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 518.138750][ T7] usb 1-1: config 0 descriptor?? [ 518.171718][ T8470] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 518.178737][ T8470] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 518.408252][ T7] usb 1-1: USB disconnect, device number 3 [ 518.790796][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 519.030761][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 519.150945][ T7] usb 1-1: config 0 has an invalid interface number: 48 but max is 0 [ 519.159215][ T7] usb 1-1: config 0 has no interface number 0 [ 519.167439][ T7] usb 1-1: config 0 interface 48 altsetting 0 bulk endpoint 0xB has invalid maxpacket 32 [ 519.178395][ T7] usb 1-1: config 0 interface 48 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 519.189356][ T7] usb 1-1: New USB device found, idVendor=1d50, idProduct=60c6, bcdDevice=67.c7 [ 519.199251][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 519.213658][ T7] usb 1-1: config 0 descriptor?? [ 519.231040][ T8491] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 519.239084][ T8491] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 721.126355][ T1660] INFO: task kworker/0:1:7 blocked for more than 143 seconds. [ 721.134380][ T1660] Not tainted 5.14.0-rc2-next-20210723-syzkaller #0 [ 721.142607][ T1660] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.152400][ T1660] task:kworker/0:1 state:D stack:24672 pid: 7 ppid: 2 flags:0x00004000 [ 721.162475][ T1660] Workqueue: usb_hub_wq hub_event [ 721.168304][ T1660] Call Trace: [ 721.171704][ T1660] __schedule+0x93a/0x26f0 [ 721.176913][ T1660] ? io_schedule_timeout+0x140/0x140 [ 721.182303][ T1660] ? _raw_spin_unlock_irq+0x1f/0x40 [ 721.188442][ T1660] ? lockdep_hardirqs_on+0x79/0x100 [ 721.194320][ T1660] schedule+0xd3/0x270 [ 721.199207][ T1660] schedule_timeout+0x1db/0x2a0 [ 721.204206][ T1660] ? usleep_range+0x170/0x170 [ 721.209535][ T1660] ? wait_for_completion+0x16e/0x280 [ 721.215094][ T1660] ? mark_held_locks+0x9f/0xe0 [ 721.220417][ T1660] ? rwlock_bug.part.0+0x90/0x90 [ 721.225474][ T1660] ? _raw_spin_unlock_irq+0x1f/0x40 [ 721.231193][ T1660] wait_for_completion+0x176/0x280 [ 721.237046][ T1660] ? lock_chain_count+0x20/0x20 [ 721.242060][ T1660] ? bit_wait_io_timeout+0x160/0x160 [ 721.248577][ T1660] ? find_held_lock+0x2d/0x110 [ 721.253540][ T1660] virtio_cleanup+0x80/0xa0 [ 721.258543][ T1660] ? virtio_read+0x350/0x350 [ 721.263264][ T1660] drop_current_rng+0xda/0x110 [ 721.268651][ T1660] set_current_rng+0x2d3/0x490 [ 721.273507][ T1660] ? drop_current_rng+0x110/0x110 [ 721.278923][ T1660] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 721.284937][ T1660] hwrng_register+0x3bf/0x600 [ 721.290409][ T1660] chaoskey_probe+0x886/0xc50 [ 721.295860][ T1660] ? chaoskey_suspend+0x40/0x40 [ 721.300968][ T1660] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 721.307783][ T1660] usb_probe_interface+0x315/0x7f0 [ 721.314396][ T1660] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 721.321369][ T1660] really_probe+0x245/0xcc0 [ 721.326643][ T1660] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 721.334520][ T1660] __driver_probe_device+0x338/0x4d0 [ 721.341593][ T1660] driver_probe_device+0x4c/0x1a0 [ 721.347036][ T1660] __device_attach_driver+0x20b/0x2f0 [ 721.352709][ T1660] ? driver_allows_async_probing+0x150/0x150 [ 721.359000][ T1660] bus_for_each_drv+0x15f/0x1e0 [ 721.363919][ T1660] ? bus_for_each_dev+0x1d0/0x1d0 [ 721.369588][ T1660] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 721.377305][ T1660] ? lockdep_hardirqs_on+0x79/0x100 [ 721.383086][ T1660] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 721.389282][ T1660] __device_attach+0x228/0x4a0 [ 721.394677][ T1660] ? device_driver_attach+0x210/0x210 [ 721.401496][ T1660] ? kobject_uevent_env+0x2bb/0x1650 [ 721.407450][ T1660] bus_probe_device+0x1e4/0x290 [ 721.412411][ T1660] device_add+0xc35/0x21b0 [ 721.417564][ T1660] ? mark_held_locks+0x9f/0xe0 [ 721.422884][ T1660] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 721.430178][ T1660] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 721.436041][ T1660] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 721.442384][ T1660] usb_set_configuration+0x113f/0x1910 [ 721.448601][ T1660] usb_generic_driver_probe+0xba/0x100 [ 721.454170][ T1660] usb_probe_device+0xd9/0x2c0 [ 721.459432][ T1660] ? usb_driver_release_interface+0x180/0x180 [ 721.465540][ T1660] really_probe+0x245/0xcc0 [ 721.470503][ T1660] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 721.477236][ T1660] __driver_probe_device+0x338/0x4d0 [ 721.482672][ T1660] driver_probe_device+0x4c/0x1a0 [ 721.488285][ T1660] __device_attach_driver+0x20b/0x2f0 [ 721.493850][ T1660] ? driver_allows_async_probing+0x150/0x150 [ 721.500515][ T1660] bus_for_each_drv+0x15f/0x1e0 [ 721.505489][ T1660] ? bus_for_each_dev+0x1d0/0x1d0 [ 721.511643][ T1660] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 721.517766][ T1660] ? lockdep_hardirqs_on+0x79/0x100 [ 721.524512][ T1660] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 721.532146][ T1660] __device_attach+0x228/0x4a0 [ 721.537405][ T1660] ? device_driver_attach+0x210/0x210 [ 721.543417][ T1660] ? kobject_uevent_env+0x2bb/0x1650 [ 721.548791][ T1660] bus_probe_device+0x1e4/0x290 [ 721.553679][ T1660] device_add+0xc35/0x21b0 [ 721.558381][ T1660] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 721.564793][ T1660] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 721.571370][ T1660] usb_new_device.cold+0x63f/0x108e [ 721.577518][ T1660] ? hub_disconnect+0x510/0x510 [ 721.582902][ T1660] ? rwlock_bug.part.0+0x90/0x90 [ 721.588788][ T1660] ? _raw_spin_unlock_irq+0x1f/0x40 [ 721.594111][ T1660] hub_event+0x2357/0x4330 [ 721.599039][ T1660] ? hub_port_debounce+0x3c0/0x3c0 [ 721.604186][ T1660] ? lock_release+0x720/0x720 [ 721.609292][ T1660] ? lock_downgrade+0x6e0/0x6e0 [ 721.614355][ T1660] ? do_raw_spin_lock+0x120/0x2b0 [ 721.619955][ T1660] process_one_work+0x98d/0x1630 [ 721.625148][ T1660] ? pwq_dec_nr_in_flight+0x320/0x320 [ 721.630917][ T1660] ? rwlock_bug.part.0+0x90/0x90 [ 721.636379][ T1660] ? _raw_spin_lock_irq+0x41/0x50 [ 721.641618][ T1660] worker_thread+0x658/0x11f0 [ 721.646389][ T1660] ? process_one_work+0x1630/0x1630 [ 721.651721][ T1660] kthread+0x3e5/0x4d0 [ 721.655885][ T1660] ? set_kthread_struct+0x130/0x130 [ 721.661453][ T1660] ret_from_fork+0x1f/0x30 [ 721.666081][ T1660] [ 721.666081][ T1660] Showing all locks held in the system: [ 721.673987][ T1660] 6 locks held by kworker/0:1/7: [ 721.679792][ T1660] #0: ffff888019043d38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1630 [ 721.690880][ T1660] #1: ffffc90000cc7db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1630 [ 721.702263][ T1660] #2: ffff888146d44220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 721.711437][ T1660] #3: ffff88823bdfca20 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.720871][ T1660] #4: ffff8880168061a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 721.730245][ T1660] #5: ffffffff8c3c09e8 (rng_mutex){+.+.}-{3:3}, at: hwrng_register+0x7a/0x600 [ 721.740642][ T1660] 5 locks held by kworker/u4:1/10: [ 721.745769][ T1660] 1 lock held by khungtaskd/1660: [ 721.751127][ T1660] #0: ffffffff8b97eb80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 721.761404][ T1660] [ 721.763758][ T1660] ============================================= [ 721.763758][ T1660] [ 721.772816][ T1660] NMI backtrace for cpu 0 [ 721.777386][ T1660] CPU: 0 PID: 1660 Comm: khungtaskd Not tainted 5.14.0-rc2-next-20210723-syzkaller #0 [ 721.787388][ T1660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.797984][ T1660] Call Trace: [ 721.801261][ T1660] dump_stack_lvl+0xcd/0x134 [ 721.805961][ T1660] nmi_cpu_backtrace.cold+0x44/0xd7 [ 721.811465][ T1660] ? lapic_can_unplug_cpu+0x80/0x80 [ 721.817134][ T1660] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 721.823246][ T1660] watchdog+0xd3e/0xf50 [ 721.827437][ T1660] ? trace_sched_process_hang+0x280/0x280 [ 721.833202][ T1660] kthread+0x3e5/0x4d0 [ 721.837472][ T1660] ? set_kthread_struct+0x130/0x130 [ 721.842958][ T1660] ret_from_fork+0x1f/0x30 [ 721.848412][ T1660] Sending NMI from CPU 0 to CPUs 1: [ 721.854392][ C1] NMI backtrace for cpu 1 [ 721.854402][ C1] CPU: 1 PID: 8453 Comm: syz-executor741 Not tainted 5.14.0-rc2-next-20210723-syzkaller #0 [ 721.854414][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.854423][ C1] RIP: 0010:native_apic_mem_write+0x8/0x10 [ 721.854435][ C1] Code: c7 c0 96 ee 8e e8 98 a7 88 00 eb b0 66 0f 1f 44 00 00 be 01 00 00 00 e9 86 ff 2c 00 cc cc cc cc cc cc 89 ff 89 b7 00 c0 5f ff 0f 1f 80 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 53 89 fb 48 [ 721.854451][ C1] RSP: 0018:ffffc9000178fb38 EFLAGS: 00000046 [ 721.854464][ C1] RAX: dffffc0000000000 RBX: ffffffff8b323a60 RCX: 0000000000000020 [ 721.854473][ C1] RDX: 1ffffffff166474e RSI: 000000000000ff61 RDI: 0000000000000380 [ 721.854482][ C1] RBP: ffff8880b9d1f2c0 R08: 000000000000003f R09: 0000000000000000 [ 721.854491][ C1] R10: ffffffff8168a747 R11: 0000000000000000 R12: 000000000000ff61 [ 721.854500][ C1] R13: 0000000000000020 R14: ffff8880b9d423c0 R15: 00000000000423c0 [ 721.854509][ C1] FS: 0000000000551300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 721.854518][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 721.854526][ C1] CR2: 00007fa8f0d15000 CR3: 00000000149e0000 CR4: 00000000001506e0 [ 721.854535][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 721.854549][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 721.854556][ C1] Call Trace: [ 721.854561][ C1] lapic_next_event+0x4d/0x80 [ 721.854566][ C1] clockevents_program_event+0x254/0x370 [ 721.854572][ C1] tick_program_event+0xac/0x140 [ 721.854578][ C1] hrtimer_reprogram+0x38f/0x440 [ 721.854584][ C1] hrtimer_start_range_ns+0x60f/0x870 [ 721.854590][ C1] do_nanosleep+0x1e8/0x690 [ 721.854596][ C1] ? schedule_timeout_idle+0x90/0x90 [ 721.854620][ C1] ? memset+0x20/0x40 [ 721.854626][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 721.854632][ C1] ? __hrtimer_init+0x136/0x280 [ 721.854638][ C1] hrtimer_nanosleep+0x1f9/0x4a0 [ 721.854644][ C1] ? nanosleep_copyout+0x100/0x100 [ 721.854650][ C1] ? hrtimer_init_sleeper_on_stack+0x90/0x90 [ 721.854657][ C1] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 721.854664][ C1] ? get_timespec64+0x191/0x220 [ 721.854670][ C1] ? put_timespec64+0x120/0x120 [ 721.854675][ C1] common_nsleep+0xa2/0xc0 [ 721.854681][ C1] __x64_sys_clock_nanosleep+0x2f4/0x430 [ 721.854688][ C1] ? __ia32_sys_clock_getres_time32+0x270/0x270 [ 721.854695][ C1] ? syscall_enter_from_user_mode+0x21/0x70 [ 721.854701][ C1] do_syscall_64+0x35/0xb0 [ 721.854707][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 721.854713][ C1] RIP: 0033:0x479c7a [ 721.854723][ C1] Code: 83 ff 03 74 3b 48 83 ec 28 b8 fa ff ff ff 83 ff 02 49 89 ca 0f 44 f8 64 8b 04 25 18 00 00 00 85 c0 75 2d b8 e6 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 28 c3 [ 721.854739][ C1] RSP: 002b:00007fff6cc0c5a0 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 [ 721.854751][ C1] RAX: ffffffffffffffda RBX: 00000000000afb12 RCX: 0000000000479c7a [ 721.854759][ C1] RDX: 00007fff6cc0c5e0 RSI: 0000000000000000 RDI: 0000000000000000 [ 721.854767][ C1] RBP: 00000000000021dd R08: 00000000000002d1 R09: 00007fff6cca8080 [ 721.854775][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff6cc0c61c [ 721.854784][ C1] R13: 431bde82d7b634db R14: 00000000004b3018 R15: 00000000004004a0 [ 721.856016][ T1660] Kernel panic - not syncing: hung_task: blocked tasks [ 722.191944][ T1660] CPU: 0 PID: 1660 Comm: khungtaskd Not tainted 5.14.0-rc2-next-20210723-syzkaller #0 [ 722.201487][ T1660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.211891][ T1660] Call Trace: [ 722.215170][ T1660] dump_stack_lvl+0xcd/0x134 [ 722.219763][ T1660] panic+0x306/0x73d [ 722.223825][ T1660] ? __warn_printk+0xf3/0xf3 [ 722.228412][ T1660] ? lapic_can_unplug_cpu+0x80/0x80 [ 722.233851][ T1660] ? preempt_schedule_thunk+0x16/0x18 [ 722.239718][ T1660] ? nmi_trigger_cpumask_backtrace+0x196/0x230 [ 722.246047][ T1660] ? watchdog.cold+0x22d/0x248 [ 722.251038][ T1660] watchdog.cold+0x23e/0x248 [ 722.255797][ T1660] ? trace_sched_process_hang+0x280/0x280 [ 722.262127][ T1660] kthread+0x3e5/0x4d0 [ 722.266225][ T1660] ? set_kthread_struct+0x130/0x130 [ 722.271445][ T1660] ret_from_fork+0x1f/0x30 [ 722.278039][ T1660] Kernel Offset: disabled [ 722.282377][ T1660] Rebooting in 86400 seconds..