Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. executing program [ 31.386328][ T30] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 31.765655][ T30] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has an invalid bInterval 0, changing to 7 [ 31.776831][ T30] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 31.786573][ T30] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 31.797048][ T30] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 107, changing to 10 [ 31.808550][ T30] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid maxpacket 1226, setting to 1024 [ 31.819646][ T30] usb 1-1: New USB device found, idVendor=0694, idProduct=0001, bcdDevice=12.7b [ 31.828716][ T30] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 31.841962][ T30] usb 1-1: config 0 descriptor?? [ 32.115452][ T30] legousbtower 1-1:0.0: get version request failed: 0 executing program [ 32.317733][ T7] usb 1-1: USB disconnect, device number 2 [ 32.330312][ T7] general protection fault, probably for non-canonical address 0xdffffc0000000013: 0000 [#1] SMP KASAN [ 32.341350][ T7] KASAN: null-ptr-deref in range [0x0000000000000098-0x000000000000009f] [ 32.349840][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.10.0-rc7-syzkaller #0 [ 32.357988][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.368047][ T7] Workqueue: usb_hub_wq hub_event [ 32.373058][ T7] RIP: 0010:tower_disconnect+0x53/0x360 [ 32.378847][ T7] Code: 03 80 3c 02 00 0f 85 15 03 00 00 48 8b ab a8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bd 98 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e 7b 02 00 00 48 c7 c6 40 07 bb 87 48 [ 32.398433][ T7] RSP: 0018:ffffc9000007f7c0 EFLAGS: 00010202 [ 32.404484][ T7] RAX: dffffc0000000000 RBX: ffff888117ec0000 RCX: ffffffff8381f807 [ 32.412445][ T7] RDX: 0000000000000013 RSI: ffffffff83bab792 RDI: 0000000000000098 [ 32.420419][ T7] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff898cc4ef [ 32.428401][ T7] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888117ec0090 [ 32.436355][ T7] R13: ffff888117ec0078 R14: ffff888117ec0030 R15: ffff888117ec0098 [ 32.444318][ T7] FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 [ 32.457044][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.463623][ T7] CR2: 00007f557af47550 CR3: 00000001090f3000 CR4: 00000000001506f0 [ 32.471575][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.479534][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.487511][ T7] Call Trace: [ 32.490792][ T7] usb_unbind_interface+0x1d8/0x8d0 [ 32.495972][ T7] ? kernfs_remove_by_name_ns+0x62/0xb0 [ 32.501500][ T7] ? usb_unbind_device+0x1a0/0x1a0 [ 32.506600][ T7] __device_release_driver+0x3bd/0x6f0 [ 32.512039][ T7] device_release_driver+0x26/0x40 [ 32.517214][ T7] bus_remove_device+0x2eb/0x5a0 [ 32.522125][ T7] device_del+0x502/0xec0 [ 32.526432][ T7] ? device_link_add_missing_supplier_links+0x370/0x370 [ 32.533404][ T7] ? kobject_put+0x1f3/0x540 [ 32.537975][ T7] usb_disable_device+0x35b/0x7b0 [ 32.543011][ T7] usb_disconnect.cold+0x27d/0x780 [ 32.548101][ T7] hub_event+0x1c8a/0x42d0 [ 32.552503][ T7] ? __kasan_slab_free+0x114/0x140 [ 32.557613][ T7] ? hub_port_debounce+0x3b0/0x3b0 [ 32.562703][ T7] ? __lock_acquire+0x820/0x54f0 [ 32.567618][ T7] ? put_pwq+0xb1/0x1b0 [ 32.571751][ T7] ? lock_release+0x6d0/0x6d0 [ 32.576406][ T7] ? lock_downgrade+0x6d0/0x6d0 [ 32.581348][ T7] ? do_raw_spin_lock+0x120/0x2b0 [ 32.586349][ T7] process_one_work+0x933/0x1520 [ 32.591264][ T7] ? lock_release+0x6d0/0x6d0 [ 32.595933][ T7] ? pwq_dec_nr_in_flight+0x320/0x320 [ 32.601289][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 32.606211][ T7] worker_thread+0x64c/0x1120 [ 32.610864][ T7] ? __kthread_parkme+0x118/0x1d0 [ 32.615861][ T7] ? process_one_work+0x1520/0x1520 [ 32.621054][ T7] kthread+0x38c/0x460 [ 32.625112][ T7] ? _raw_spin_unlock_irq+0x1f/0x30 [ 32.630314][ T7] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 32.636184][ T7] ret_from_fork+0x1f/0x30 [ 32.640569][ T7] Modules linked in: [ 32.644540][ T7] ---[ end trace 5aeb1d199be5d5f2 ]--- [ 32.650189][ T7] RIP: 0010:tower_disconnect+0x53/0x360 [ 32.655754][ T7] Code: 03 80 3c 02 00 0f 85 15 03 00 00 48 8b ab a8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bd 98 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e 7b 02 00 00 48 c7 c6 40 07 bb 87 48 [ 32.675417][ T7] RSP: 0018:ffffc9000007f7c0 EFLAGS: 00010202 [ 32.681465][ T7] RAX: dffffc0000000000 RBX: ffff888117ec0000 RCX: ffffffff8381f807 [ 32.689442][ T7] RDX: 0000000000000013 RSI: ffffffff83bab792 RDI: 0000000000000098 [ 32.697434][ T7] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff898cc4ef [ 32.705415][ T7] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888117ec0090 [ 32.713377][ T7] R13: ffff888117ec0078 R14: ffff888117ec0030 R15: ffff888117ec0098 [ 32.721352][ T7] FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 [ 32.730299][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.736903][ T7] CR2: 00007f557af47550 CR3: 00000001090f3000 CR4: 00000000001506f0 [ 32.744864][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.752837][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.760837][ T7] Kernel panic - not syncing: Fatal exception [ 32.767612][ T7] Kernel Offset: disabled [ 32.771929][ T7] Rebooting in 86400 seconds..