[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.83' (ECDSA) to the list of known hosts. syzkaller login: [ 50.466553][ T27] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 50.706458][ T27] usb 1-1: Using ep0 maxpacket: 8 [ 50.826688][ T27] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 48 [ 50.836888][ T27] usb 1-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=d5.66 [ 50.846088][ T27] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 50.862001][ T27] usb 1-1: config 0 descriptor?? [ 50.887356][ T8413] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 51.356156][ C1] port100 1-1:0.0: NFC: Urb failure (status -71) [ 51.363897][ T27] ------------[ cut here ]------------ [ 51.369685][ T27] URB 0000000089067ee8 submitted while active [ 51.375968][ T27] WARNING: CPU: 1 PID: 27 at drivers/usb/core/urb.c:378 usb_submit_urb+0xf7f/0x1550 [ 51.386544][ T27] Modules linked in: [ 51.390806][ T27] CPU: 1 PID: 27 Comm: kworker/1:1 Not tainted 5.13.0-rc3-syzkaller #0 [ 51.400022][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.410273][ T27] Workqueue: usb_hub_wq hub_event [ 51.415867][ T27] RIP: 0010:usb_submit_urb+0xf7f/0x1550 [ 51.421812][ T27] Code: 5c 41 5d 41 5e 41 5f 5d e9 ae 57 ff ff e8 99 93 c3 fb c6 05 60 83 69 08 01 48 c7 c7 80 85 e1 8a 4c 89 e6 31 c0 e8 a1 d9 8f fb <0f> 0b e9 f8 f0 ff ff e8 75 93 c3 fb eb 05 e8 6e 93 c3 fb bb a6 ff [ 51.441721][ T27] RSP: 0018:ffffc90000e1e798 EFLAGS: 00010246 [ 51.447892][ T27] RAX: d2a562d1aa8c0200 RBX: ffff8880176cdb08 RCX: ffff8880167a1c40 [ 51.455900][ T27] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 51.464018][ T27] RBP: 0000000000000cc0 R08: ffffffff81655632 R09: ffffed1017363f24 [ 51.472081][ T27] R10: ffffed1017363f24 R11: 0000000000000000 R12: ffff8880176cdb00 [ 51.480321][ T27] R13: dffffc0000000000 R14: ffff8880186c0058 R15: 1ffff110030d8009 [ 51.488423][ T27] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 51.497666][ T27] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.504250][ T27] CR2: 0000