R13: 00000000004c06b8 R14: 00000000004d2350 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
CPU: 1 PID: 16712 Comm: kworker/1:1 Not tainted 5.0.0-rc7+ #80
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop3' (000000009b9eb20b): kobject_uevent_env
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 0e 66 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:ffff8880588c7cb0 EFLAGS: 00010203
kobject: 'loop3' (000000009b9eb20b): fill_kobj_path: path = '/devices/virtual/block/loop3'
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
RBP: ffff8880588c7d30 R08: ffff8880548de0c0 R09: ffff8880548de988
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888098c61900
R13: ffff88809dbf60c0 R14: ffff888096b66da8 R15: ffff888098c61970
Bluetooth: Can't allocate HCI device
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff2882e7b8 CR3: 000000008d192000 CR4: 00000000001406e0
kobject: 'loop4' (0000000025568983): kobject_uevent_env
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173
kobject: 'loop4' (0000000025568983): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (0000000093e1e5f9): kobject_uevent_env
 worker_thread+0x98/0xe40 kernel/workqueue.c:2319
 kthread+0x357/0x430 kernel/kthread.c:246
kobject: 'loop1' (0000000093e1e5f9): fill_kobj_path: path = '/devices/virtual/block/loop1'
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 16e0dcb437c09e5b ]---
kobject: 'loop0' (00000000a865704c): kobject_uevent_env
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 0e 66 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: 'loop0' (00000000a865704c): fill_kobj_path: path = '/devices/virtual/block/loop0'
RSP: 0018:ffff8880588c7cb0 EFLAGS: 00010203
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
kobject: 'loop3' (000000009b9eb20b): kobject_uevent_env
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
kobject: '(null)' (00000000be958681): kobject_cleanup, parent           (null)
RBP: ffff8880588c7d30 R08: ffff8880548de0c0 R09: ffff8880548de988
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888098c61900
kobject: 'loop3' (000000009b9eb20b): fill_kobj_path: path = '/devices/virtual/block/loop3'
R13: ffff88809dbf60c0 R14: ffff888096b66da8 R15: ffff888098c61970
kobject: '(null)' (00000000be958681): calling ktype release
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 000000005a09e000 CR4: 00000000001406e0
kobject: 'loop1' (0000000093e1e5f9): kobject_uevent_env
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop1' (0000000093e1e5f9): fill_kobj_path: path = '/devices/virtual/block/loop1'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400