[   12.140229][    C1] random: 7 urandom warning(s) missed due to ratelimiting
[  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
[  OK  ] Started Update UTMP about System Runlevel Changes.
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Load/Save RF Kill Switch Status.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   19.387365][   T95] usb 1-1: new low-speed USB device number 2 using dummy_hcd
[   19.747220][   T95] usb 1-1: config 0 has an invalid interface number: 137 but max is 0
[   19.755441][   T95] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config
[   19.765589][   T95] usb 1-1: config 0 has no interface number 0
[   19.771750][   T95] usb 1-1: config 0 interface 137 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt
[   19.781877][   T95] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=81.29
[   19.790968][   T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   19.800919][   T95] usb 1-1: config 0 descriptor??
[   19.817258][  T356] raw-gadget gadget: fail, usb_ep_enable returned -22
[   19.840197][   T95] ------------[ cut here ]------------
[   19.845690][   T95] usb 1-1: BOGUS urb xfer, pipe 3 != type 1
[   19.851892][   T95] WARNING: CPU: 0 PID: 95 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460
[   19.861352][   T95] Kernel panic - not syncing: panic_on_warn set ...
[   19.868095][   T95] CPU: 0 PID: 95 Comm: kworker/0:2 Not tainted 5.7.0-rc1-syzkaller #0
[   19.876227][   T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   19.886280][   T95] Workqueue: usb_hub_wq hub_event
[   19.891276][   T95] Call Trace:
[   19.894544][   T95]  dump_stack+0xef/0x16e
[   19.898762][   T95]  ? usb_submit_urb+0x10f0/0x1460
[   19.903775][   T95]  panic+0x2aa/0x6e1
[   19.907719][   T95]  ? add_taint.cold+0x16/0x16
[   19.912422][   T95]  ? __probe_kernel_read+0x188/0x1d0
[   19.917711][   T95]  ? __warn.cold+0x14/0x30
[   19.922125][   T95]  ? __warn+0xd5/0x1c8
[   19.926197][   T95]  ? usb_submit_urb+0x1188/0x1460
[   19.931211][   T95]  __warn.cold+0x2f/0x30
[   19.935430][   T95]  ? usb_submit_urb+0x1188/0x1460
[   19.940429][   T95]  report_bug+0x27b/0x2f0
[   19.944734][   T95]  do_error_trap+0x12b/0x1e0
[   19.949295][   T95]  ? usb_submit_urb+0x1188/0x1460
[   19.954311][   T95]  do_invalid_op+0x32/0x40
[   19.958699][   T95]  ? usb_submit_urb+0x1188/0x1460
[   19.963715][   T95]  invalid_op+0x23/0x30
[   19.967860][   T95] RIP: 0010:usb_submit_urb+0x1188/0x1460
[   19.973475][   T95] 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
[   19.993056][   T95] RSP: 0018:ffff8881d574f0b8 EFLAGS: 0001