R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffb677bc6d4
R13: 00000000004c096d R14: 00000000004d2550 R15: 0000000000000005
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
CPU: 0 PID: 7829 Comm: kworker/0:3 Not tainted 5.0.0-rc4 #48
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 4e 52 96 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:ffff88805d8f7960 EFLAGS: 00010203
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
RBP: ffff88805d8f79e0 R08: 0000000000000006 R09: ffff88805d8e8a88
Bluetooth: Can't allocate HCI device
R10: ffff88805d8e81c0 R11: 0000000000000000 R12: ffff8880a46a3780
R13: ffff88808f0ec080 R14: ffff8880a8388868 R15: ffff8880a46a37f0
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f52b77d0518 CR3: 000000009831d000 CR4: 00000000001426f0
Call Trace:
 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
kobject: 'loop5' (000000001f293066): kobject_uevent_env
kobject: 'loop5' (000000001f293066): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (0000000091f87e7d): kobject_uevent_env
kobject: 'loop4' (0000000091f87e7d): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop5' (000000001f293066): kobject_uevent_env
kobject: 'loop5' (000000001f293066): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000031412a5f): kobject_uevent_env
kobject: '(null)' (00000000395cd547): kobject_cleanup, parent           (null)
kobject: 'loop0' (0000000031412a5f): fill_kobj_path: path = '/devices/virtual/block/loop0'
---[ end trace 0990cb9ab674e2b1 ]---
kobject: '(null)' (00000000395cd547): calling ktype release
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 4e 52 96 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: 'loop1' (000000009651de5a): kobject_uevent_env
RSP: 0018:ffff88805d8f7960 EFLAGS: 00010203
kobject: 'loop1' (000000009651de5a): fill_kobj_path: path = '/devices/virtual/block/loop1'
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
kobject: 'loop4' (0000000091f87e7d): kobject_uevent_env
kobject: 'loop4' (0000000091f87e7d): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (00000000e074b7ba): kobject_uevent_env
kobject: 'loop3' (00000000e074b7ba): fill_kobj_path: path = '/devices/virtual/block/loop3'
RBP: ffff88805d8f79e0 R08: 0000000000000006 R09: ffff88805d8e8a88
kobject: 'loop1' (000000009651de5a): kobject_uevent_env
kobject: 'loop1' (000000009651de5a): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (000000006a5425a6): kobject_uevent_env
R10: ffff88805d8e81c0 R11: 0000000000000000 R12: ffff8880a46a3780
kobject: 'loop2' (000000006a5425a6): fill_kobj_path: path = '/devices/virtual/block/loop2'
R13: ffff88808f0ec080 R14: ffff8880a8388868 R15: ffff8880a46a37f0
kobject: 'loop4' (0000000091f87e7d): kobject_uevent_env
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 00000000a7e27000 CR4: 00000000001406f0