[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 15.094370][ C1] random: crng init done [ 15.102212][ C1] random: 7 urandom warning(s) missed due to ratelimiting Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts. executing program [ 22.002257][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 22.092275][ T83] usb 1-1: Using ep0 maxpacket: 16 [ 22.212543][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8E has an invalid bInterval 0, changing to 7 [ 22.223498][ T83] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0xF has invalid maxpacket 255 [ 22.391861][ T83] usb 1-1: New USB device found, idVendor=0bc7, idProduct=0005, bcdDevice=82.87 [ 22.400893][ T83] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 22.408960][ T83] usb 1-1: Product: syz [ 22.413873][ T83] usb 1-1: Manufacturer: syz [ 22.418443][ T83] usb 1-1: SerialNumber: syz [ 22.425242][ T83] usb 1-1: config 0 descriptor?? [ 22.441906][ T378] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 22.463286][ T83] ------------[ cut here ]------------ [ 22.468811][ T83] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 22.474958][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 22.484399][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 22.491050][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.7.0-rc1-syzkaller #0 [ 22.499197][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.509235][ T83] Workqueue: usb_hub_wq hub_event [ 22.514246][ T83] Call Trace: [ 22.517513][ T83] dump_stack+0xef/0x16e [ 22.521745][ T83] ? usb_submit_urb+0x10f0/0x1460 [ 22.526741][ T83] panic+0x2aa/0x6e1 [ 22.530607][ T83] ? add_taint.cold+0x16/0x16 [ 22.535271][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 22.540528][ T83] ? __warn.cold+0x14/0x30 [ 22.544928][ T83] ? __warn+0xd5/0x1c8 [ 22.548970][ T83] ? usb_submit_urb+0x1188/0x1460 [ 22.553965][ T83] __warn.cold+0x2f/0x30 [ 22.558190][ T83] ? usb_submit_urb+0x1188/0x1460 [ 22.563199][ T83] report_bug+0x27b/0x2f0 [ 22.567510][ T83] do_error_trap+0x12b/0x1e0 [ 22.572073][ T83] ? usb_submit_urb+0x1188/0x1460 [ 22.577071][ T83] do_invalid_op+0x32/0x40 [ 22.581459][ T83] ? usb_submit_urb+0x1188/0x1460 [ 22.586481][ T83] invalid_op+0x23/0x30 [ 22.590623][ T83] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 22.596228][ T83] Code: 4d 85 ed 74 46 e8 38 c2 d2 fd 4c 89 f7 e8 70 ac 16 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 52 3d 86 e8 40 96 a6 fd <0f> 0b e9 20 f4 ff ff e8 0c c2 d2 fd 0f 1f 44 00 00 e8 02 c2 d2 fd [ 22.615891][ T83] RSP: 0018:ffff8881d8b1f000 EFLAGS: 00010282 [ 22.621957][ T83] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 22.629902][ T83] RDX: 0000000000000000 RSI: ffffffff812a2d8d RDI: ffffed103b163df2 [ 22.637847][ T83] RBP: ffff8881d4bd8850 R08: ffff8881d