Bluetooth: Invalid header checksum
kasan: GPF could be caused by NULL-ptr deref or user memory access
vhci_hcd: invalid port number 255
vhci_hcd: default hub control req: 0000 vfe00 i00ff l65535
vhci_hcd: invalid port number 255
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.0.0-rc4+ #56
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 a4 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: '(null)' (00000000113c2a38): calling ktype release
RSP: 0018:ffff8880a98a7cb0 EFLAGS: 00010203
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
RBP: ffff8880a98a7d30 R08: ffff8880a9898300 R09: ffff8880a9898bc8
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888094091780
R13: ffff888059210a00 R14: ffff888097756128 R15: ffff8880940917f0
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 0000000092782000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0x98e/0x1760 kernel/workqueue.c:2153
 worker_thread+0x98/0xe40 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:
vhci_hcd: default hub control req: 0000 vfe00 i00ff l65535
Bluetooth: Can't allocate HCI device
---[ end trace 40dcc8839d556b80 ]---
kobject: '(null)' (0000000063151c16): kobject_cleanup, parent           (null)
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 a4 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: 'loop3' (00000000909ebcc0): kobject_uevent_env
RSP: 0018:ffff8880a98a7cb0 EFLAGS: 00010203
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
RBP: ffff8880a98a7d30 R08: ffff8880a9898300 R09: ffff8880a9898bc8
kobject: '(null)' (0000000063151c16): calling ktype release
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888094091780
R13: ffff888059210a00 R14: ffff888097756128 R15: ffff8880940917f0
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
kobject: 'loop3' (00000000909ebcc0): fill_kobj_path: path = '/devices/virtual/block/loop3'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 0000000092782000 CR4: 00000000001406f0
kobject: 'loop2' (00000000648028c8): kobject_uevent_env
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
vhci_hcd: invalid port number 255
kobject: 'loop2' (00000000648028c8): fill_kobj_path: path = '/devices/virtual/block/loop2'
vhci_hcd: default hub control req: 0000 vfe00 i00ff l65535
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop5' (00000000127df1b0): kobject_uevent_env