[  OK  ] Started Getty on tty5.
[  OK  ] Started Getty on tty4.
[  OK  ] Started Getty on tty3.
[  OK  ] Started Getty on tty2.
[  OK  ] Started getty on tty2-tty6 if dbus and logind are not available.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts.
syzkaller login: [   53.847651][    T8] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   54.367620][    T8] usb 1-1: New USB device found, idVendor=0af0, idProduct=d058, bcdDevice= 0.00
[   54.376813][    T8] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   54.385423][    T8] usb 1-1: Product: syz
[   54.389909][    T8] usb 1-1: Manufacturer: syz
[   54.394566][    T8] usb 1-1: SerialNumber: syz
[   54.406991][    T8] usb 1-1: config 0 descriptor??
[   54.667972][    T8] hso 1-1:0.0: Can't find BULK IN endpoint
[   54.674264][    T8] ------------[ cut here ]------------
[   54.680402][    T8] WARNING: CPU: 0 PID: 8 at net/core/dev.c:10991 unregister_netdevice_many+0x22f/0x1980
[   54.690933][    T8] Modules linked in:
[   54.694853][    T8] CPU: 0 PID: 8 Comm: kworker/0:2 Not tainted 5.13.0-rc3-syzkaller #0
[   54.703315][    T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.713759][    T8] Workqueue: usb_hub_wq hub_event
[   54.719071][    T8] RIP: 0010:unregister_netdevice_many+0x22f/0x1980
[   54.725732][    T8] Code: 62 17 00 00 e8 f2 9a 9d f9 4c 3b 74 24 10 0f 84 91 01 00 00 e8 e2 9a 9d f9 4d 89 f5 e9 4a ff ff ff 49 8d 5d a0 0f 1f 44 00 00 <0f> 0b 4c 89 ef e8 27 00 1f fc 84 c0 0f 84 9b 00 00 00 e8 ba 9a 9d
[   54.745773][    T8] RSP: 0018:ffffc90000cd67e0 EFLAGS: 00010246
[   54.752090][    T8] RAX: 0000000000000000 RBX: ffff888022148000 RCX: dffffc0000000000
[   54.760317][    T8] RDX: ffff888012b3d4c0 RSI: 0000000000000000 RDI: 0000000000000000
[   54.768655][    T8] RBP: ffffc90000cd6970 R08: ffffffff87e16fb4 R09: fffffbfff1be5669
[   54.776646][    T8] R10: fffffbfff1be5669 R11: 0000000000000000 R12: 1ffff1100442900c
[   54.784894][    T8] R13: ffff888022148060 R14: ffffc90000cd69c0 R15: 1ffff9200019ad21
[   54.793212][    T8] FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[   54.802440][    T8] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.809298][    T8] CR2: 00007f4a627c1ab4 CR3: 000000001eb02000 CR4: 00000000001506f0
[   54.817648][    T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   54.825736][    T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   54.834009][    T8] Call Trace:
[   54.837450][    T8]  ? really_probe+0x3cb/0x1020
[   54.842333][    T8]  ? driver_probe_device+0x178/0x350
[   54.847735][    T8]  ? unregister_netdev+0x79/0x210
[   54.852774][    T8]  ? hub_port_connect+0x1055/0x27a0
[   54.858067][    T8]  ? hub_port_connect_change+0x5d0/0xbf0
[   54.863736][    T8]  ? mutex_lock_io_nested+0x60/0x60
[