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: 0 PID: 8560 Comm: kworker/u5:1 Not tainted 5.0.0-rc6 #67 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+0x134/0x1550 drivers/bluetooth/hci_qca.c:1180 Code: c1 ea 03 80 3c 02 00 0f 85 08 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 d7 11 00 00 4d 8b ac 24 f8 00 00 00 49 8d 85 f0 RSP: 0018:ffff88804eecfa00 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88808f46aa00 RCX: ffffffff84ecfa52 RDX: 000000000000001f RSI: ffffffff84ee0c01 RDI: 00000000000000f8 RBP: ffff88804eecfb50 R08: ffff88809b3d4200 R09: 0000000000000004 R10: ffffed10117e456d R11: ffff88808bf22b6f R12: 0000000000000000 R13: ffff888056f74c00 R14: ffff88804eecfb28 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff8b668010 CR3: 0000000051405000 CR4: 00000000001406f0 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: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: ---[ end trace 8e788ec37411d99f ]--- RIP: 0010:serdev_device_get_drvdata include/linux/serdev.h:125 [inline] RIP: 0010:qca_setup+0x134/0x1550 drivers/bluetooth/hci_qca.c:1180 Code: c1 ea 03 80 3c 02 00 0f 85 08 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 d7 11 00 00 4d 8b ac 24 f8 00 00 00 49 8d 85 f0 RSP: 0018:ffff88804eecfa00 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88808f46aa00 RCX: ffffffff84ecfa52 RDX: 000000000000001f RSI: ffffffff84ee0c01 RDI: 00000000000000f8 RBP: ffff88804eecfb50 R08: ffff88809b3d4200 R09: 0000000000000004 R10: ffffed10117e456d R11: ffff88808bf22b6f R12: 0000000000000000 R13: ffff888056f74c00 R14: ffff88804eecfb28 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000011e1400 CR3: 0000000095652000 CR4: 00000000001406f0