R13: 00000000004c06e7 R14: 00000000004d22d0 R15: 0000000000000006
kasan: CONFIG_KASAN_INLINE enabled
Bluetooth: Invalid header checksum
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Bluetooth: Can't allocate HCI device
CPU: 1 PID: 3472 Comm: kworker/1:2 Not tainted 5.0.0-rc4+ #58
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events hci_uart_write_work
RIP: 0010:hci_uart_write_work+0x1b6/0x710 drivers/bluetooth/hci_ldisc.c:180
Code: 0f 85 6a 04 00 00 49 8b b4 24 c8 00 00 00 4c 89 ef e8 ee 9d 53 02 89 c6 48 8b 45 d0 48 8d b8 5c 10 00 00 48 89 f8 48 c1 e8 03 <0f> b6 14 18 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 1d
RSP: 0018:ffff88809acefcb0 EFLAGS: 00010203
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
RBP: ffff88809acefd30 R08: ffff88809acfe580 R09: ffff88809acfee48
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808d815c00
R13: ffff8880a3b52940 R14: ffff8880a436b828 R15: ffff88808d815c70
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 00000000971e9000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173
 worker_thread+0x98/0xe40 kernel/workqueue.c:2319
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace b0c5710114945eb8 ]---
RIP: 0010:hci_uart_write_work+0x1b6/0x710 drivers/bluetooth/hci_ldisc.c:180
kobject: 'loop2' (0000000062deae97): kobject_uevent_env
kobject: 'loop2' (0000000062deae97): fill_kobj_path: path = '/devices/virtual/block/loop2'
Code: 0f 85 6a 04 00 00 49 8b b4 24 c8 00 00 00 4c 89 ef e8 ee 9d 53 02 89 c6 48 8b 45 d0 48 8d b8 5c 10 00 00 48 89 f8 48 c1 e8 03 <0f> b6 14 18 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 1d
kobject: 'loop4' (0000000029c98103): kobject_uevent_env
RSP: 0018:ffff88809acefcb0 EFLAGS: 00010203
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
RBP: ffff88809acefd30 R08: ffff88809acfe580 R09: ffff88809acfee48
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808d815c00
kobject: 'loop4' (0000000029c98103): fill_kobj_path: path = '/devices/virtual/block/loop4'
R13: ffff8880a3b52940 R14: ffff8880a436b828 R15: ffff88808d815c70
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
kobject: 'loop5' (00000000125fc949): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop5' (00000000125fc949): fill_kobj_path: path = '/devices/virtual/block/loop5'
CR2: 00007ffee984e638 CR3: 00000000a12a3000 CR4: 00000000001406e0
kobject: 'loop2' (0000000062deae97): kobject_uevent_env
kobject: 'loop2' (0000000062deae97): fill_kobj_path: path = '/devices/virtual/block/loop2'
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop1' (00000000b8d363d7): kobject_uevent_env
kobject: 'loop1' (00000000b8d363d7): fill_kobj_path: path = '/devices/virtual/block/loop1'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop3' (000000006171db10): kobject_uevent_env