pegasus 5-1:0.195: can't reset MAC
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
CPU: 0 PID: 2006 Comm: kworker/0:2 Not tainted 5.2.0-rc6+ #13
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:__lock_acquire+0xb9f/0x5340 kernel/locking/lockdep.c:3665
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
RSP: 0018:ffff8881c9f76d00 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffff8881c9cd0000 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881c9f76ea8 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: ffff8881c9cd0000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000080 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f47dc5f5b8c CR3: 00000001b6804000 CR4: 00000000001406f0
Call Trace:
 lock_acquire+0x100/0x2b0 kernel/locking/lockdep.c:4303
 __mutex_lock_common kernel/locking/mutex.c:926 [inline]
 __mutex_lock+0xf9/0x12b0 kernel/locking/mutex.c:1073
 drain_workqueue+0x24/0x460 kernel/workqueue.c:2934
 destroy_workqueue+0x1e/0x6d0 kernel/workqueue.c:4322
 pegasus_dec_workqueue drivers/net/usb/pegasus.c:1130 [inline]
 pegasus_dec_workqueue drivers/net/usb/pegasus.c:1126 [inline]
 pegasus_probe+0x1071/0x15d0 drivers/net/usb/pegasus.c:1225
 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361
 really_probe+0x281/0x660 drivers/base/dd.c:509
 driver_probe_device+0x104/0x210 drivers/base/dd.c:670
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777
 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:843
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2111
 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023
 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210
 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266
 really_probe+0x281/0x660 drivers/base/dd.c:509
 driver_probe_device+0x104/0x210 drivers/base/dd.c:670
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777
 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:843
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2111
 usb_new_device.cold+0x8c1/0x1016 drivers/usb/core/hub.c:2534
 hub_port_connect drivers/usb/core/hub.c:5089 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
 port_event drivers/usb/core/hub.c:5350 [inline]
 hub_event+0x1ada/0x3590 drivers/usb/core/hub.c:5432
 process_one_work+0x905/0x1570 kernel/workqueue.c:2269
 process_scheduled_works kernel/workqueue.c:2331 [inline]
 worker_thread+0x7ab/0xe20 kernel/workqueue.c:2417
 kthread+0x30b/0x410 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace f9678306c8c33811 ]---
RIP: 0010:__lock_acquire+0xb9f/0x5340 kernel/locking/lockdep.c:3665
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
RSP: 0018:ffff8881c9f76d00 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffff8881c9cd0000 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881c9f76ea8 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: ffff8881c9cd0000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000080 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f47dc5f5b8c CR3: 00000001b6804000 CR4: 00000000001406f0