Bluetooth: Invalid header checksum
kasan: GPF could be caused by NULL-ptr deref or user memory access
Enabling of bearer <udp:pyz1> rejected, failed to enable media
Bluetooth: Can't allocate HCI device
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8012 Comm: kworker/1:3 Not tainted 5.0.0-rc1+ #24
kobject: 'loop3' (00000000a1bd72ea): kobject_uevent_env
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
kobject: 'loop3' (00000000a1bd72ea): fill_kobj_path: path = '/devices/virtual/block/loop3'
Code: 0f 85 6a 04 00 00 49 8b b4 24 c8 00 00 00 4c 89 ef e8 3e a8 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:ffff88805cedf960 EFLAGS: 00010203
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
RBP: ffff88805cedf9e0 R08: 0000000000000006 R09: ffff88805ced48c8
R10: ffff88805ced4000 R11: 0000000000000000 R12: ffff888090a1d180
R13: ffff8880594a6000 R14: ffff888094a47828 R15: ffff888090a1d1f0
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 0000000099286000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000100000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
kobject: 'loop2' (00000000cd97121a): kobject_uevent_env
kobject: 'loop2' (00000000cd97121a): fill_kobj_path: path = '/devices/virtual/block/loop2'
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 97d9ee35ddfdf999 ]---
Enabling of bearer <udp:pyz1> rejected, failed to enable media
RIP: 0010:hci_uart_write_work+0x1b6/0x710 drivers/bluetooth/hci_ldisc.c:180
kobject: 'loop0' (00000000d5cd40fd): kobject_uevent_env
Code: 0f 85 6a 04 00 00 49 8b b4 24 c8 00 00 00 4c 89 ef e8 3e a8 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: 'loop0' (00000000d5cd40fd): fill_kobj_path: path = '/devices/virtual/block/loop0'
RSP: 0018:ffff88805cedf960 EFLAGS: 00010203
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
RBP: ffff88805cedf9e0 R08: 0000000000000006 R09: ffff88805ced48c8
R10: ffff88805ced4000 R11: 0000000000000000 R12: ffff888090a1d180
R13: ffff8880594a6000 R14: ffff888094a47828 R15: ffff888090a1d1f0
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop4' (00000000913767b0): kobject_uevent_env
CR2: 0000000001c17fd0 CR3: 0000000092196000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000100000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400