Warning: Permanently added '10.128.1.33' (ECDSA) to the list of known hosts. executing program [ 36.456221][ T32] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 36.976035][ T32] usb 1-1: New USB device found, idVendor=0df6, idProduct=0056, bcdDevice=42.6c [ 36.985338][ T32] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 36.993579][ T32] usb 1-1: Product: syz [ 36.997817][ T32] usb 1-1: Manufacturer: syz [ 37.002423][ T32] usb 1-1: SerialNumber: syz [ 37.013578][ T32] usb 1-1: config 0 descriptor?? [ 37.276018][ T32] asix 1-1:0.0 (unnamed net_device) (uninitialized): invalid hw address, using random executing program [ 37.715517][ T32] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 [ 37.725693][ T32] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to send software reset: ffffffb9 [ 37.925418][ T32] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 [ 37.936461][ T32] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to send software reset: ffffffb9 [ 38.119561][ T32] asix 1-1:0.0 eth1: register 'asix' at usb-dummy_hcd.0-1, ASIX AX88178 USB 2.0 Ethernet, 8a:c0:d1:1e:27:4c [ 38.138828][ T32] usb 1-1: USB disconnect, device number 2 [ 38.150689][ T32] asix 1-1:0.0 eth1: unregister 'asix' usb-dummy_hcd.0-1, ASIX AX88178 USB 2.0 Ethernet [ 38.160541][ T32] general protection fault, probably for non-canonical address 0xdffffc00000000c3: 0000 [#1] SMP KASAN [ 38.171652][ T32] KASAN: null-ptr-deref in range [0x0000000000000618-0x000000000000061f] [ 38.180086][ T32] CPU: 1 PID: 32 Comm: kworker/1:1 Not tainted 5.14.0-rc7-syzkaller #0 [ 38.188421][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.198756][ T32] Workqueue: usb_hub_wq hub_event [ 38.203886][ T32] RIP: 0010:phy_disconnect+0x22/0x110 [ 38.209286][ T32] Code: 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 46 33 68 fe 48 8d bd 18 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e c5 00 00 00 8b 9d 18 06 00 00 [ 38.229025][ T32] RSP: 0018:ffffc900001a7780 EFLAGS: 00010206 [ 38.235103][ T32] RAX: dffffc0000000000 RBX: ffff88811a410bc0 RCX: 0000000000000000 [ 38.243277][ T32] RDX: 00000000000000c3 RSI: ffffffff82d9305a RDI: 0000000000000618 [ 38.251260][ T32] RBP: 0000000000000000 R08: 0000000000000055 R09: 0000000000000000 [ 38.259326][ T32] R10: ffffffff814c05fb R11: 0000000000000000 R12: ffff8881063cc300 [ 38.267409][ T32] R13: ffffffff83870d90 R14: ffffffff86805a20 R15: ffffffff868059e0 [ 38.275368][ T32] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 38.284280][ T32] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.290981][ T32] CR2: 00007fb4c30b3008 CR3: 00000001021e1000 CR4: 00000000001506e0 [ 38.299165][ T32] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.307249][ T32] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.315214][ T32] Call Trace: [ 38.318618][ T32] ax88772_unbind+0x51/0x90 [ 38.323303][ T32] usbnet_disconnect+0x103/0x270 [ 38.328231][ T32] usb_unbind_interface+0x1d8/0x8d0 [ 38.333503][ T32] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 38.339353][ T32] ? kernfs_remove_by_name_ns+0x62/0xb0 [ 38.344927][ T32] ? usb_unbind_device+0x1a0/0x1a0 [ 38.350040][ T32] __device_release_driver+0x3bd/0x6f0 [ 38.355504][ T32] device_release_driver+0x26/0x40 [ 38.360628][ T32] bus_remove_device+0x2eb/0x5a0 [ 38.365638][ T32] device_del+0x502/0xd40 [ 38.369953][ T32] ? __device_links_queue_sync_state+0x400/0x400 [ 38.376536][ T32] ? mutex_lock_io_nested+0xee0/0xee0 [ 38.381907][ T32] usb_disable_device+0x35b/0x7b0 [ 38.386922][ T32] ? trace_hardirqs_off+0x140/0x190 [ 38.392347][ T32] usb_disconnect.cold+0x27a/0x78e [ 38.397457][ T32] hub_event+0x1c9c/0x4330 [ 38.401888][ T32] ? hub_port_debounce+0x3c0/0x3c0 [ 38.406982][ T32] ? __lock_acquire+0x3241/0x54a0 [ 38.411993][ T32] ? __do_sys_prctl+0xb11/0xfd0 [ 38.416947][ T32] ? lock_release+0x6e0/0x6e0 [ 38.421615][ T32] ? lock_downgrade+0x6e0/0x6e0 [ 38.426456][ T32] ? do_raw_spin_lock+0x120/0x2b0 [ 38.431475][ T32] process_one_work+0x98d/0x15b0 [ 38.436414][ T32] ? pwq_dec_nr_in_flight+0x320/0x320 [ 38.441862][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 38.446891][ T32] worker_thread+0x85c/0x11f0 [ 38.451584][ T32] ? __kthread_parkme+0x126/0x1f0 [ 38.456708][ T32] ? process_one_work+0x15b0/0x15b0 [ 38.462264][ T32] kthread+0x3c0/0x4a0 [ 38.466452][ T32] ? _raw_spin_unlock_irq+0x1f/0x30 [ 38.471658][ T32] ? set_kthread_struct+0x130/0x130 [ 38.476854][ T32] ret_from_fork+0x1f/0x30 [ 38.481255][ T32] Modules linked in: [ 38.485395][ T32] ---[ end trace d08c08ba92f8f06f ]--- [ 38.490850][ T32] RIP: 0010:phy_disconnect+0x22/0x110 [ 38.496300][ T32] Code: 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 e8 46 33 68 fe 48 8d bd 18 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e c5 00 00 00 8b 9d 18 06 00 00 [ 38.515967][ T32] RSP: 0018:ffffc900001a7780 EFLAGS: 00010206 [ 38.522119][ T32] RAX: dffffc0000000000 RBX: ffff88811a410bc0 RCX: 0000000000000000 [ 38.530921][ T32] RDX: 00000000000000c3 RSI: ffffffff82d9305a RDI: 0000000000000618 [ 38.538954][ T32] RBP: 0000000000000000 R08: 0000000000000055 R09: 0000000000000000 [ 38.546969][ T32] R10: ffffffff814c05fb R11: 0000000000000000 R12: ffff8881063cc300 [ 38.554986][ T32] R13: ffffffff83870d90 R14: ffffffff86805a20 R15: ffffffff868059e0 [ 38.562962][ T32] FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 38.572878][ T32] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.579509][ T32] CR2: 00007fb4c30b3008 CR3: 00000001021e1000 CR4: 00000000001506e0 [ 38.587597][ T32] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.595603][ T32] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.603673][ T32] Kernel panic - not syncing: Fatal exception [ 38.611206][ T32] Kernel Offset: disabled [ 38.615536][ T32] Rebooting in 86400 seconds..