Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.103' (ECDSA) to the list of known hosts. syzkaller login: [ 66.858108][ T2956] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 67.112940][ T2956] usb 1-1: Using ep0 maxpacket: 8 [ 67.233143][ T2956] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 48 [ 67.243267][ T2956] usb 1-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=d5.66 [ 67.252308][ T2956] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 67.269213][ T2956] usb 1-1: config 0 descriptor?? [ 67.294138][ T8458] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 67.772863][ C1] port100 1-1:0.0: NFC: Urb failure (status -71) [ 67.780658][ T2956] ------------[ cut here ]------------ [ 67.786339][ T2956] URB 00000000e590afb6 submitted while active [ 67.793496][ T2956] WARNING: CPU: 1 PID: 2956 at drivers/usb/core/urb.c:378 usb_submit_urb+0x1271/0x1540 [ 67.803589][ T2956] Modules linked in: [ 67.807472][ T2956] CPU: 1 PID: 2956 Comm: kworker/1:2 Not tainted 5.13.0-rc2-next-20210518-syzkaller #0 [ 67.817578][ T2956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.828319][ T2956] Workqueue: usb_hub_wq hub_event [ 67.833861][ T2956] RIP: 0010:usb_submit_urb+0x1271/0x1540 [ 67.839690][ T2956] Code: 89 de e8 f2 74 25 fc 84 db 0f 85 91 f4 ff ff e8 a5 6e 25 fc 4c 89 fe 48 c7 c7 e0 d9 26 8a c6 05 73 ff 84 08 01 e8 6a 5a 8b 03 <0f> 0b e9 6f f4 ff ff c7 44 24 14 01 00 00 00 e9 26 f5 ff ff 41 be [ 67.859801][ T2956] RSP: 0018:ffffc900020fefe0 EFLAGS: 00010286 [ 67.866010][ T2956] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 67.874121][ T2956] RDX: ffff88801ef49c80 RSI: ffffffff815dbea5 RDI: fffff5200041fdee [ 67.882263][ T2956] RBP: ffff88802c757048 R08: 0000000000000000 R09: 0000000000000000 [ 67.890310][ T2956] R10: ffffffff815d5cee R11: 0000000000000000 R12: ffff88802c757028 [ 67.898396][ T2956] R13: ffff88802770d500 R14: 00000000fffffff0 R15: ffff888015bcf600 [ 67.906500][ T2956] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 67.915564][ T2956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.922208][ T2