kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1173 Comm: kworker/u5:0 Not tainted 5.0.0-rc5-next-20190211 #32
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: hci0 hci_power_on
RIP: 0010:serdev_device_get_drvdata include/linux/serdev.h:125 [inline]
RIP: 0010:qca_setup+0x134/0x15e1 drivers/bluetooth/hci_qca.c:1180
Code: c1 ea 03 80 3c 02 00 0f 85 8b 12 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 08 49 8d bc 24 f8 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5a 12 00 00 4d 8b ac 24 f8 00 00 00 49 8d 85 f0
RSP: 0018:ffff88808e17fa00 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88807f080d00 RCX: ffffffff84ef9cf2
RDX: 000000000000001f RSI: ffffffff84f0ade1 RDI: 00000000000000f8
RBP: ffff88808e17fb50 R08: ffff88808e166380 R09: 0000000000000004
R10: ffffed1004f63c45 R11: ffff888027b1e22f R12: 0000000000000000
R13: ffff88809540d6c0 R14: ffff88808e17fb28 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd107130000 CR3: 0000000049c93000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 hci_uart_setup+0x1c4/0x490 drivers/bluetooth/hci_ldisc.c:418
 hci_dev_do_open+0x67e/0x14b0 net/bluetooth/hci_core.c:1423
 hci_power_on+0x10d/0x580 net/bluetooth/hci_core.c:2130
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2267
 worker_thread+0x98/0xe40 kernel/workqueue.c:2413
 kthread+0x357/0x430 kernel/kthread.c:247
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace f67527e92e049314 ]---
RIP: 0010:serdev_device_get_drvdata include/linux/serdev.h:125 [inline]
RIP: 0010:qca_setup+0x134/0x15e1 drivers/bluetooth/hci_qca.c:1180
Code: c1 ea 03 80 3c 02 00 0f 85 8b 12 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 08 49 8d bc 24 f8 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5a 12 00 00 4d 8b ac 24 f8 00 00 00 49 8d 85 f0
RSP: 0018:ffff88808e17fa00 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88807f080d00 RCX: ffffffff84ef9cf2
RDX: 000000000000001f RSI: ffffffff84f0ade1 RDI: 00000000000000f8
RBP: ffff88808e17fb50 R08: ffff88808e166380 R09: 0000000000000004
R10: ffffed1004f63c45 R11: ffff888027b1e22f R12: 0000000000000000
R13: ffff88809540d6c0 R14: ffff88808e17fb28 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd107130000 CR3: 0000000049c93000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400