usb 2-1: USB disconnect, device number 67
usb 4-1: new high-speed USB device number 63 using dummy_hcd
yurex 2-1:0.150: yurex_interrupt - unknown status received: -71
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 PTI
CPU: 1 PID: 5443 Comm: kworker/u4:4 Not tainted 5.1.0-rc5-319617-gd34f951 #4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
RIP: 0010:dev_name include/linux/device.h:1087 [inline]
RIP: 0010:__dev_printk+0x3f/0x215 drivers/base/core.c:3208
Code: 89 f5 53 e8 1e 24 1c fc 48 85 ed 0f 84 c9 01 00 00 e8 10 24 1c fc 48 8d 7d 50 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <80> 3c 02 00 74 05 e8 31 39 53 fc 4c 8b 7d 50 4d 85 ff 75 28 e8 e3
RSP: 0018:ffff8880ad107930 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffffed1015a20f2d RCX: 00000000ffffffed
RDX: 0000000000000010 RSI: ffffffff85559bf0 RDI: 0000000000000080
RBP: 0000000000000030 R08: ffff88809a4f8000 R09: ffffed1015a24fc9
R10: ffffed1015a24fc8 R11: ffff8880ad127e47 R12: ffffffff8f031a00
R13: ffff8880ad107988 R14: 0000000000000000 R15: ffff88809a3dc400
FS:  0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000a60978 CR3: 00000000717cc000 CR4: 00000000001406e0
Call Trace:
 <IRQ>
 _dev_err+0xdc/0x10e drivers/base/core.c:3251
 yurex_interrupt.cold+0x12e/0x13d drivers/usb/misc/yurex.c:183
 __usb_hcd_giveback_urb+0x1f4/0x470 drivers/usb/core/hcd.c:1758
 usb_hcd_giveback_urb+0x346/0x400 drivers/usb/core/hcd.c:1823
 dummy_timer+0x100b/0x32c0 drivers/usb/gadget/udc/dummy_hcd.c:1968
 call_timer_fn+0x161/0x5f0 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers kernel/time/timer.c:1681 [inline]
 __run_timers kernel/time/timer.c:1649 [inline]
 run_timer_softirq+0x58b/0x1400 kernel/time/timer.c:1694
 __do_softirq+0x22a/0x8cd kernel/softirq.c:293
 invoke_softirq kernel/softirq.c:374 [inline]
 irq_exit+0x187/0x1b0 kernel/softirq.c:414
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0xfe/0x4a0 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:__local_bh_enable_ip+0x12d/0x1b0 kernel/softirq.c:198
Code: f7 db 65 01 1d 54 b5 bc 7e 65 8b 05 4d b5 bc 7e a9 00 ff 1f 00 74 49 65 ff 0d 3f b5 bc 7e e8 3a 8a 33 00 fb 66 0f 1f 44 00 00 <5b> 5d 41 5c c3 48 89 ef e8 26 ee 12 00 eb c4 80 3d 69 63 6c 12 00
RSP: 0018:ffff888071357c68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 00000000fffffe00 RCX: 1ffff1101349f111
RDX: 0000000000000000 RSI: ffff88809a4f8868 RDI: ffff88809a4f883c
RBP: ffffffff8dec749b R08: ffff88809a4f8000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809a4f8000
R13: ffffffff8dec7ef0 R14: ffff888092af2b80 R15: 0000000000000051
 spin_unlock_bh include/linux/spinlock.h:374 [inline]
 batadv_nc_purge_paths+0x26b/0x380 net/batman-adv/network-coding.c:482
 batadv_nc_worker+0x2d4/0x770 net/batman-adv/network-coding.c:733
 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
 kthread+0x313/0x420 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace ae6c7084fb290c6c ]---
RIP: 0010:dev_name include/linux/device.h:1087 [inline]
RIP: 0010:__dev_printk+0x3f/0x215 drivers/base/core.c:3208
Code: 89 f5 53 e8 1e 24 1c fc 48 85 ed 0f 84 c9 01 00 00 e8 10 24 1c fc 48 8d 7d 50 b8 ff ff 37 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <80> 3c 02 00 74 05 e8 31 39 53 fc 4c 8b 7d 50 4d 85 ff 75 28 e8 e3
RSP: 0018:ffff8880ad107930 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffffed1015a20f2d RCX: 00000000ffffffed
RDX: 0000000000000010 RSI: ffffffff85559bf0 RDI: 0000000000000080
RBP: 0000000000000030 R08: ffff88809a4f8000 R09: ffffed1015a24fc9
R10: ffffed1015a24fc8 R11: ffff8880ad127e47 R12: ffffffff8f031a00
R13: ffff8880ad107988 R14: 0000000000000000 R15: ffff88809a3dc400
FS:  0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000a60978 CR3: 00000000717cc000 CR4: 00000000001406e0