[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[   14.608981][    C1] random: crng init done
[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.0.150' (ECDSA) to the list of known hosts.
syzkaller login: [   27.232119][   T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   27.592169][   T83] usb 1-1: config 0 has an invalid interface number: 98 but max is 0
[   27.600464][   T83] usb 1-1: config 0 has no interface number 0
[   27.606651][   T83] usb 1-1: config 0 interface 98 altsetting 0 bulk endpoint 0x84 has invalid maxpacket 830
[   27.616678][   T83] usb 1-1: config 0 interface 98 altsetting 0 endpoint 0x7 has wMaxPacketSize 0, skipping
[   27.626602][   T83] usb 1-1: config 0 interface 98 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 4
[   27.712194][   T83] usb 1-1: New USB device found, idVendor=7f93, idProduct=5611, bcdDevice=40.15
[   27.722256][   T83] usb 1-1: New USB device strings: Mfr=14, Product=0, SerialNumber=0
[   27.730303][   T83] usb 1-1: Manufacturer: syz
[   27.736198][   T83] usb 1-1: config 0 descriptor??
[   27.762362][ T1709] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22
[   27.783785][   T83] hwa-hc 1-1:0.98: Wire Adapter v7.52 newer than groked v1.0
[   27.791199][   T83] usb 1-1: BUG? WUSB host has no security descriptors
[   27.799005][   T83] ------------[ cut here ]------------
[   27.804532][   T83] usb 1-1: BOGUS urb xfer, pipe 1 != type 3
[   27.810512][   T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0
[   27.819937][   T83] Kernel panic - not syncing: panic_on_warn set ...
[   27.826583][   T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-syzkaller #0
[   27.834352][   T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   27.844386][   T83] Workqueue: usb_hub_wq hub_event
[   27.849379][   T83] Call Trace:
[   27.852659][   T83]  dump_stack+0xef/0x16e
[   27.856882][   T83]  ? usb_submit_urb+0x1110/0x13b0
[   27.861881][   T83]  panic+0x2aa/0x6e1
[   27.865748][   T83]  ? add_taint.cold+0x16/0x16
[   27.870402][   T83]  ? __probe_kernel_read+0x188/0x1d0
[   27.875659][   T83]  ? __warn.cold+0x14/0x30
[   27.880048][   T83]  ? __warn+0xd5/0x1c8
[   27.884088][   T83]  ? usb_submit_urb+0x1188/0x13b0
[   27.889085][   T83]  __warn.cold+0x2f/0x30
[   27.893300][   T83]  ? usb_submit_urb+0x1188/0x13b0
[   27.898300][   T83]  report_bug+0x27b/0x2f0
[   27.902604][   T83]  do_error_trap+0x12b/0x1e0
[   27.907165][   T83]  ? usb_submit_urb+0x1188/0x13b0
[   27.912160][   T83]  do_invalid_op+0x32/0x40
[   27.916549][   T83]  ? usb_submit_urb+0x1188/0x13b0
[   27.921558][   T83]  invalid_op+0x23/0x30
[   27.925686][   T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0
[   27.931289][   T83] Code: 4d 85 ed 74 2c e8 a8 84 e9 fd 4c 89 f7 e8 20 74 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 29 15 86 e8 10 b3 be fd <0f> 0b e9 20 f4 ff ff e8 7c 84 e9 fd 4c 89 f2 48 b8 00 00 00 00 00
[   27.950867][   T83] RSP: 0018:ffff8881d8ef70b0 EFLAGS: 00010286
[   27.956904][   T83] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000