[info] Using makefile-style concurrent boot in runlevel 2.
[   15.329410][    C1] random: crng init done
[....] Starting enhanced syslogd: rsyslogd[?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 '10.128.10.49' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   42.139968][   T21] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   42.379909][   T21] usb 1-1: Using ep0 maxpacket: 8
[   42.499951][   T21] usb 1-1: config 254 has an invalid interface number: 77 but max is 0
[   42.508255][   T21] usb 1-1: config 254 has no interface number 0
[   42.514573][   T21] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9375, bcdDevice=86.77
[   42.523620][   T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   42.573201][   T21] kasan: CONFIG_KASAN_INLINE enabled
[   42.578494][   T21] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   42.586540][   T21] general protection fault: 0000 [#1] SMP KASAN
[   42.592786][   T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13
[   42.600225][   T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   42.610280][   T21] Workqueue: usb_hub_wq hub_event
[   42.615302][   T21] RIP: 0010:__lock_acquire+0xb9f/0x5340
[   42.620852][   T21] Code: 28 00 00 00 0f 85 5a 2c 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 8c 2e 00 00 49 81 3e 60 49 8a 88 0f 84 35 f5 ff
[   42.640449][   T21] RSP: 0000:ffff8881d9efee60 EFLAGS: 00010006
[   42.646518][   T21] RAX: dffffc0000000000 RBX: ffff8881d9e36000 RCX: 0000000000000000
[   42.654480][   T21] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001
[   42.662440][   T21] RBP: ffff8881d9eff008 R08: 0000000000000001 R09: 0000000000000001
[   42.670402][   T21] R10: 0000000000000001 R11: ffff8881d9e36000 R12: 0000000000000000
[   42.678360][   T21] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000
[   42.686325][   T21] FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
[   42.695249][   T21] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.701827][   T21] CR2: 00007ffde27e8f48 CR3: 00000001cfeb6000 CR4: 00000000001406e0
[   42.709791][   T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   42.717780][   T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   42.725851][   T21] Call Trace:
[   42.729163][   T21]  ? lockdep_hardirqs_on+0x379/0x580
[   42.734456][   T21]  ? stack_depot_save+0x252/0x440
[   42.739483][   T21]  ? save_stack+0x4c/0x80
[   42.743799][   T21]  ? save_stack+0x1b/0x80
[   42.748118][   T21]  ? mark_held_locks+0xe0/0xe0
[   42.752873][   T21]  ? usb_probe_interface+0x305/0x7a0
[   42.758149][   T21]  ? really_probe+0x281/0x660
[   42.762818][   T21]  ? driver_probe_device+0x104/0x210
[   42.768091][   T21]  ? __device_attach_driver+0x1c2/0x220
[   42.773618][   T21]  ? bus_for_each_drv+0x15c/0x1e0
[   42.778624][   T21]  ? __device_attach+0x217/0x360
[   42.783549][   T21]  ? bus_probe_device+0x1e4/0x290
[   42.788565][   T21]  ? device_add+0xae6/0x16f0
[   42.793149][   T21]  ? usb_set_configuration+0xdf6/0x1670
[   42.798685][   T21]  ? generic_probe+0x9d/0xd5
[   42.803263][   T21]  ? usb_probe_device+0x99/0x100
[   42.808188][   T21]  ? really_probe+0x281/0x660
[   42.812872][   T21]  ? driver_probe_device+0x104/0x210
[   42.818158][   T21]  ? __device_attach_driver+0x1c2/0x220
[   42.823699][   T21]  ? bus_for_each_drv+0x15c/0x1e0
[   42.828719][   T21]  ? __device_attach+0x217/0x360
[   42.833653][   T21]  ? bus_probe_device+0x1e4/0x290
[   42.838670][   T21]  ? device_add+0xae6/0x16f0
[   42.843255][   T21]  ? usb_new_device.cold+0x8c1/0x1016
[   42.848615][   T21]  ? hub_event+0x1ada/0x3590
[   42.853202][   T21]  ? process_one_work+0x905/0x1570
[   42.858319][   T21]  ? worker_thread+0x96/0xe20
[   42.863073][   T21]  ? kthread+0x30b/0x410
[   42.867321][   T21]  ? ret_from_fork+0x24/0x30
[   42.871907][   T21]  lock_acquire+0x100/0x2b0
[   42.876409][   T21]  ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0
[   42.882551][   T21]  _raw_spin_lock_irqsave+0x32/0x50
[   42.887743][   T21]  ? ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0
[   42.893888][   T21]  ath6kl_usb_alloc_urb_from_pipe+0x44/0x2b0
[   42.899861][   T21]  ath6kl_usb_post_recv_transfers.constprop.0+0x22e/0x400
[   42.906969][   T21]  ? __kasan_kmalloc.constprop.0+0xbf/0xd0
[   42.913636][   T21]  ath6kl_usb_power_on+0x88/0x120
[   42.918657][   T21]  ath6kl_core_init+0x1ae/0x1040
[   42.923595][   T21]  ? ath6kl_core_destroy+0x20/0x20
[   42.928695][   T21]  ? memcpy+0x35/0x50
[   42.932670][   T21]  ? ath6kl_core_create+0x7a5/0x960
[   42.937857][   T21]  ath6kl_usb_probe+0xc7a/0x1180
[   42.942963][   T21]  usb_probe_interface+0x305/0x7a0
[   42.948080][   T21]  ? usb_probe_device+0x100/0x100
[   42.953099][   T21]  really_probe+0x281/0x660
[   42.957953][   T21]  driver_probe_device+0x104/0x210
[   42.963075][   T21]  __device_attach_driver+0x1c2/0x220
[   42.968444][   T21]  ? driver_allows_async_probing+0x160/0x160
[   42.974431][   T21]  bus_for_each_drv+0x15c/0x1e0
[   42.979272][   T21]  ? bus_rescan_devices+0x20/0x20
[   42.984285][   T21]  ? _raw_spin_unlock_irqrestore+0x3e/0x50
[   42.990105][   T21]  ? lockdep_hardirqs_on+0x379/0x580
[   42.995413][   T21]  __device_attach+0x217/0x360
[   43.000176][   T21]  ? device_bind_driver+0xd0/0xd0
[   43.005195][   T21]  ? kobject_uevent_env+0x29e/0x1150
[   43.010468][   T21]  ? kobject_uevent_env+0x2a8/0x1150
[   43.015767][   T21]  bus_probe_device+0x1e4/0x290
[   43.020619][   T21]  ? blocking_notifier_call_chain+0x54/0xa0
[   43.026506][   T21]  device_add+0xae6/0x16f0
[   43.030918][   T21]  ? uevent_store+0x50/0x50
[   43.035417][   T21]  ? _raw_spin_unlock_irqrestore+0x3e/0x50
[   43.041211][   T21]  usb_set_configuration+0xdf6/0x1670
[   43.046577][   T21]  generic_probe+0x9d/0xd5
[   43.050984][   T21]  usb_probe_device+0x99/0x100
[   43.055736][   T21]  ? usb_suspend+0x620/0x620
[   43.060322][   T21]  really_probe+0x281/0x660
[   43.064821][   T21]  driver_probe_device+0x104/0x210
[   43.069926][   T21]  __device_attach_driver+0x1c2/0x220
[   43.075288][   T21]  ? driver_allows_async_probing+0x160/0x160
[   43.081256][   T21]  bus_for_each_drv+0x15c/0x1e0
[   43.086090][   T21]  ? bus_rescan_devices+0x20/0x20
[   43.091100][   T21]  ? _raw_spin_unlock_irqrestore+0x3e/0x50
[   43.096893][   T21]  ? lockdep_hardirqs_on+0x379/0x580
[   43.102163][   T21]  __device_attach+0x217/0x360
[   43.106919][   T21]  ? device_bind_driver+0xd0/0xd0
[   43.111938][   T21]  ? kobject_uevent_env+0x29e/0x1150
[   43.117220][   T21]  ? kobject_uevent_env+0x2a8/0x1150
[   43.122492][   T21]  bus_probe_device+0x1e4/0x290
[   43.127334][   T21]  ? blocking_notifier_call_chain+0x54/0xa0
[   43.133214][   T21]  device_add+0xae6/0x16f0
[   43.137623][   T21]  ? uevent_store+0x50/0x50
[   43.142122][   T21]  usb_new_device.cold+0x8c1/0x1016
[   43.147318][   T21]  ? usb_port_suspend+0xa40/0xa40
[   43.152335][   T21]  ? mark_held_locks+0x9f/0xe0
[   43.157110][   T21]  ? _raw_spin_unlock_irq+0x24/0x30
[   43.162306][   T21]  hub_event+0x1ada/0x3590
[   43.166714][   T21]  ? hub_port_debounce+0x260/0x260
[   43.171819][   T21]  process_one_work+0x905/0x1570
[   43.176740][   T21]  ? pwq_dec_nr_in_flight+0x310/0x310
[   43.182104][   T21]  ? do_raw_spin_lock+0x11a/0x280
[   43.187120][   T21]  worker_thread+0x96/0xe20
[   43.191615][   T21]  ? process_one_work+0x1570/0x1570
[   43.196797][   T21]  kthread+0x30b/0x410
[   43.200852][   T21]  ? kthread_park+0x1a0/0x1a0
[   43.205514][   T21]  ret_from_fork+0x24/0x30
[   43.209907][   T21] Modules linked in:
[   43.213800][   T21] ---[ end trace 9e729e2438f55639 ]---
[   43.219251][   T21] RIP: 0010:__lock_acquire+0xb9f/0x5340
[   43.224788][   T21] Code: 28 00 00 00 0f 85 5a 2c 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 8c 2e 00 00 49 81 3e 60 49 8a 88 0f 84 35 f5 ff
[   43.244382][   T21] RSP: 0000:ffff8881d9efee60 EFLAGS: 00010006
[   43.250441][   T21] RAX: dffffc0000000000 RBX: ffff8881d9e36000 RCX: 0000000000000000
[   43.258405][   T21] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000001
[   43.271666][   T21] RBP: ffff8881d9eff008 R08: 0000000000000001 R09: 0000000000000001
[   43.279630][   T21] R10: 0000000000000001 R11: ffff8881d9e36000 R12: 0000000000000000
[   43.287598][   T21] R13: 0000000000000000 R14: 0000000000000018 R15: 0000000000000000
[   43.295566][   T21] FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
[   43.304493][   T21] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.311071][   T21] CR2: 00007ffde27e8f48 CR3: 00000001cfeb6000 CR4: 00000000001406e0
[   43.319040][   T21] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.327005][   T21] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.334964][   T21] Kernel panic - not syncing: Fatal exception
[   43.341328][   T21] Kernel Offset: disabled
[   43.345640][   T21] Rebooting in 86400 seconds..