Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   46.347214][   T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   46.587113][   T21] usb 1-1: Using ep0 maxpacket: 8
[   46.707278][   T21] usb 1-1: config 0 has an invalid interface number: 110 but max is 0
[   46.715708][   T21] usb 1-1: config 0 has no interface number 0
[   46.721962][   T21] usb 1-1: New USB device found, idVendor=0424, idProduct=c001, bcdDevice=43.e2
[   46.731033][   T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   46.740419][   T21] usb 1-1: config 0 descriptor??
executing program
[   46.997394][   T21] usb 1-1: string descriptor 0 read error: -71
[   47.006083][   T21] usb 1-1: claimed gadget: Vendor=0424 ProdID=c001 Bus=01 Device=02
[   47.014302][   T21] usb 1-1: device path: /sys/bus/usb/devices/1-1:0.110
[   47.022358][   T21] most_core: registered new device mdev0 (1-1:0.110)
[   47.030843][   T21] usb 1-1: USB disconnect, device number 2
[   47.037549][   T21] kasan: CONFIG_KASAN_INLINE enabled
[   47.042870][   T21] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   47.051071][   T21] general protection fault: 0000 [#1] SMP KASAN
[   47.057315][   T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13
[   47.064751][   T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.074801][   T21] Workqueue: usb_hub_wq hub_event
[   47.079813][   T21] RIP: 0010:device_del+0x7a/0xb80
[   47.084825][   T21] Code: c7 40 04 00 07 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 84 24 80 00 00 00 31 c0 e8 d1 9d d5 fe 48 8d 7b 40 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 79 0a 00 00 48 8b 43 40 4c 8d a3 80 00 00 00 31
[   47.104562][   T21] RSP: 0018:ffff8881d9eff7d0 EFLAGS: 00010202
[   47.110613][   T21] RAX: 0000000000000008 RBX: 0000000000000000 RCX: 0000000000000000
[   47.118566][   T21] RDX: 0000000000000000 RSI: ffffffff82673ddf RDI: 0000000000000040
[   47.126622][   T21] RBP: dffffc0000000000 R08: ffff8881d9e36000 R09: ffffed1039e9e706
[   47.134585][   T21] R10: ffffed1039e9e705 R11: ffff8881cf4f382f R12: ffff8881d0434d28
[   47.142592][   T21] R13: ffff8881cf4f3760 R14: ffff8881d0434cb0 R15: 0000000000000000
[   47.150556][   T21] FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
[   47.159535][   T21] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.166241][   T21] CR2: 00007f275db8a000 CR3: 00000001d3a3d000 CR4: 00000000001406e0
[   47.174195][   T21] Call Trace:
[   47.177512][   T21]  ? try_to_del_timer_sync+0xbf/0x110
[   47.182872][   T21]  ? __device_links_no_driver+0x240/0x240
[   47.188574][   T21]  ? mark_held_locks+0x9f/0xe0
[   47.193322][   T21]  ? del_timer_sync+0x121/0x130
[   47.198156][   T21]  device_unregister+0x11/0x30
[   47.202906][   T21]  hdm_disconnect+0xdf/0x200
[   47.207488][   T21]  usb_unbind_interface+0x1bd/0x8a0
[   47.212676][   T21]  ? usb_autoresume_device+0x60/0x60
[   47.217948][   T21]  device_release_driver_internal+0x404/0x4c0
[   47.224013][   T21]  bus_remove_device+0x2dc/0x4a0
[   47.228934][   T21]  device_del+0x460/0xb80
[   47.233560][   T21]  ? __device_links_no_driver+0x240/0x240
[   47.239443][   T21]  ? lockdep_hardirqs_on+0x379/0x580
[   47.244709][   T21]  ? remove_intf_ep_devs+0x13f/0x1d0
[   47.249974][   T21]  usb_disable_device+0x211/0x690
[   47.254981][   T21]  usb_disconnect+0x284/0x830
[   47.259635][   T21]  hub_event+0x1409/0x3590
[   47.264175][   T21]  ? hub_port_debounce+0x260/0x260
[   47.269270][   T21]  process_one_work+0x905/0x1570
[   47.274229][   T21]  ? pwq_dec_nr_in_flight+0x310/0x310
[   47.279627][   T21]  ? do_raw_spin_lock+0x11a/0x280
[   47.284640][   T21]  worker_thread+0x7ab/0xe20
[   47.289314][   T21]  ? process_one_work+0x1570/0x1570
[   47.294842][   T21]  kthread+0x30b/0x410
[   47.298902][   T21]  ? kthread_park+0x1a0/0x1a0
[   47.303559][   T21]  ret_from_fork+0x24/0x30
[   47.307979][   T21] Modules linked in:
[   47.311942][   T21] ---[ end trace 9e1fcf5cafdf00a2 ]---
[   47.317441][   T21] RIP: 0010:device_del+0x7a/0xb80
[   47.322456][   T21] Code: c7 40 04 00 07 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 84 24 80 00 00 00 31 c0 e8 d1 9d d5 fe 48 8d 7b 40 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 79 0a 00 00 48 8b 43 40 4c 8d a3 80 00 00 00 31
[   47.346774][   T21] RSP: 0018:ffff8881d9eff7d0 EFLAGS: 00010202
[   47.353114][   T21] RAX: 0000000000000008 RBX: 0000000000000000 RCX: 0000000000000000
[   47.361177][   T21] RDX: 0000000000000000 RSI: ffffffff82673ddf RDI: 0000000000000040
[   47.369205][   T21] RBP: dffffc0000000000 R08: ffff8881d9e36000 R09: ffffed1039e9e706
[   47.377294][   T21] R10: ffffed1039e9e705 R11: ffff8881cf4f382f R12: ffff8881d0434d28
[   47.385325][   T21] R13: ffff8881cf4f3760 R14: ffff8881d0434cb0 R15: 0000000000000000
[   47.393317][   T21] FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
[   47.402264][   T21] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.408871][   T21] CR2: 00007f275db8a000 CR3: 00000001d3a3d000 CR4: 00000000001406e0
[   47.416840][   T21] Kernel panic - not syncing: Fatal exception
[   47.423182][   T21] Kernel Offset: disabled
[   47.427497][   T21] Rebooting in 86400 seconds..