[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[   14.133650][    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 '10.128.10.24' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   37.356139][   T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   37.596230][   T12] usb 1-1: Using ep0 maxpacket: 8
[   37.716217][   T12] usb 1-1: config 0 has an invalid interface number: 174 but max is 0
[   37.724576][   T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config
[   37.734895][   T12] usb 1-1: config 0 has no interface number 0
[   37.741242][   T12] usb 1-1: New USB device found, idVendor=04e7, idProduct=0020, bcdDevice=4e.81
[   37.750478][   T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   37.759618][   T12] usb 1-1: config 0 descriptor??
[   37.798272][   T12] input: USB Touchscreen 04e7:0020 as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.174/input/input5
[   37.996592][ T1737] INFO: trying to register non-static key.
[   38.002449][ T1737] the code is fine but needs lockdep annotation.
[   38.008749][ T1737] turning off the locking correctness validator.
[   38.015059][ T1737] CPU: 0 PID: 1737 Comm: syz-executor481 Not tainted 5.2.0-rc6+ #15
[   38.023018][ T1737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   38.033053][ T1737] Call Trace:
[   38.036325][ T1737]  dump_stack+0xca/0x13e
[   38.040542][ T1737]  register_lock_class+0x11ae/0x1240
[   38.045798][ T1737]  ? is_dynamic_key+0x1b0/0x1b0
[   38.050621][ T1737]  __lock_acquire+0x11d/0x5340
[   38.055378][ T1737]  ? __lock_acquire+0x2b85/0x5340
[   38.060384][ T1737]  ? find_held_lock+0x2d/0x110
[   38.065124][ T1737]  ? mark_held_locks+0xe0/0xe0
[   38.069970][ T1737]  ? lock_downgrade+0x630/0x630
[   38.074886][ T1737]  ? __wake_up_common+0x352/0x650
[   38.079898][ T1737]  ? trace_hardirqs_off+0x50/0x1c0
[   38.084992][ T1737]  ? _raw_spin_unlock_irqrestore+0x2f/0x50
[   38.090770][ T1737]  ? __wake_up_common_lock+0xe0/0x170
[   38.096130][ T1737]  lock_acquire+0x100/0x2b0
[   38.100619][ T1737]  ? usbtouch_open+0x101/0x310
[   38.105368][ T1737]  ? usbtouch_open+0x101/0x310
[   38.110157][ T1737]  __mutex_lock+0xf9/0x12b0
[   38.114648][ T1737]  ? usbtouch_open+0x101/0x310
[   38.119430][ T1737]  ? usbtouch_open+0x101/0x310
[   38.124486][ T1737]  ? find_held_lock+0x2d/0x110
[   38.129230][ T1737]  ? __pm_runtime_resume+0x111/0x180
[   38.134490][ T1737]  ? mutex_trylock+0x1a0/0x1a0
[   38.139232][ T1737]  ? do_raw_spin_lock+0x11a/0x280
[   38.144234][ T1737]  ? mark_held_locks+0x9f/0xe0
[   38.148983][ T1737]  ? _raw_spin_unlock_irqrestore+0x3e/0x50
[   38.154771][ T1737]  ? lockdep_hardirqs_on+0x379/0x580
[   38.160030][ T1737]  ? usbtouch_open+0x101/0x310
[   38.164774][ T1737]  usbtouch_open+0x101/0x310
[   38.169352][ T1737]  input_open_device+0x170/0x280
[   38.174266][ T1737]  ? usbtouch_close+0x200/0x200
[   38.179091][ T1737]  evdev_open+0x3fe/0x510
[   38.183404][ T1737]  ? evdev_event+0xc0/0xc0
[   38.187794][ T1737]  chrdev_open+0x219/0x5c0
[   38.192212][ T1737]  ? cdev_put.part.0+0x50/0x50
[   38.196950][ T1737]  do_dentry_open+0x497/0x1040
[   38.201787][ T1737]  ? cdev_put.part.0+0x50/0x50
[   38.206571][ T1737]  ? chmod_common+0x3c0/0x3c0
[   38.211234][ T1737]  ? inode_permission+0xbe/0x3a0
[   38.216160][ T1737]  path_openat+0x1430/0x3ff0
[   38.220869][ T1737]  ? do_sys_open+0x294/0x580
[   38.225439][ T1737]  ? do_syscall_64+0xb7/0x560
[   38.230095][ T1737]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   38.236144][ T1737]  ? path_lookupat.isra.0+0x8d0/0x8d0
[   38.241550][ T1737]  do_filp_open+0x1a1/0x280
[   38.246033][ T1737]  ? may_open_dev+0xf0/0xf0
[   38.250510][ T1737]  ? find_held_lock+0x2d/0x110
[   38.255248][ T1737]  ? lock_downgrade+0x630/0x630
[   38.260075][ T1737]  ? do_raw_spin_unlock+0x50/0x220
[   38.265176][ T1737]  ? _raw_spin_unlock+0x1f/0x30
[   38.270009][ T1737]  ? __alloc_fd+0x43c/0x550
[   38.274534][ T1737]  do_sys_open+0x3c0/0x580
[   38.278937][ T1737]  ? filp_open+0x70/0x70
[   38.283162][ T1737]  ? up_read+0xbd/0x200
[   38.287295][ T1737]  ? trace_hardirqs_off_caller+0x55/0x1c0
[   38.292996][ T1737]  do_syscall_64+0xb7/0x560
[   38.297520][ T1737]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   38.303388][ T1737] RIP: 0033:0x4011f0
[   38.307266][ T1737] Code: 01 f0 ff ff 0f 83 00 0b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 9d 4b 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 0a 00 00 c3 48 83 ec 08 e8 3a 00 00 00
[   38.326952][ T1737] RSP: 002b:00007ffdc8662728 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[   38.335461][ T1737] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004011f0
[   38.343406][ T1737] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffdc8662730
[   38.351497][ T1737] RBP: 6666666666666667 R08: 000000000000000f R09: 0000000000000023
[   38.359540][ T1737] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000402150
[   38.367493][ T1737] R13: 00000000004021e0 R14: 0000000000000000 R15: 0000000000000000