kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
Bluetooth: Invalid header checksum
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7774 Comm: kworker/1:4 Not tainted 5.0.0-rc5+ #61
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 9b 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:ffff88806bbc7cb0 EFLAGS: 00010203
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
RBP: ffff88806bbc7d30 R08: ffff8880a968a680 R09: ffff8880a968af48
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808a942b40
R13: ffff88808c8e9380 R14: ffff88809980a068 R15: ffff88808a942bb0
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000a07e1b4 CR3: 0000000096bd3000 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:
kobject: 'loop4' (0000000087fba089): kobject_uevent_env
kobject: 'loop4' (0000000087fba089): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (000000009a64168d): kobject_uevent_env
kobject: 'loop1' (000000009a64168d): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000c290ec77): kobject_uevent_env
kobject: 'loop2' (00000000c290ec77): fill_kobj_path: path = '/devices/virtual/block/loop2'
---[ end trace 0ba8742629a1a761 ]---
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 9b 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:ffff88806bbc7cb0 EFLAGS: 00010203
RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c
RBP: ffff88806bbc7d30 R08: ffff8880a968a680 R09: ffff8880a968af48
kobject: 'loop1' (000000009a64168d): kobject_uevent_env
kobject: 'loop1' (000000009a64168d): fill_kobj_path: path = '/devices/virtual/block/loop1'
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808a942b40
R13: ffff88808c8e9380 R14: ffff88809980a068 R15: ffff88808a942bb0
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop4' (0000000087fba089): kobject_uevent_env
kobject: 'loop4' (0000000087fba089): fill_kobj_path: path = '/devices/virtual/block/loop4'
CR2: 00007fcd97a39310 CR3: 000000008bc3d000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400