R13: 00000000004c06b8 R14: 00000000004d23f0 R15: 0000000000000005 Bluetooth: Can't allocate HCI device kasan: CONFIG_KASAN_INLINE enabled Bluetooth: Invalid header checksum kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.0.0 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop1' (000000007fae7be9): kobject_uevent_env Workqueue: events hci_uart_write_work kobject: 'loop1' (000000007fae7be9): fill_kobj_path: path = '/devices/virtual/block/loop1' 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 de 57 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:ffff8880aa287cb0 EFLAGS: 00010203 RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c RBP: ffff8880aa287d30 R08: ffff8880aa272300 R09: ffff8880aa272bc8 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880878f0a00 R13: ffff8880514b9400 R14: ffff888097a885e8 R15: ffff8880878f0a70 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop3' (00000000173c9e53): kobject_uevent_env CR2: 0000000000940004 CR3: 0000000091cf4000 CR4: 00000000001406f0 Call Trace: process_one_work+0x98e/0x1790 kernel/workqueue.c:2173 kobject: 'loop3' (00000000173c9e53): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000173c9e53): kobject_uevent_env worker_thread+0x98/0xe40 kernel/workqueue.c:2319 kthread+0x357/0x430 kernel/kthread.c:246 kobject: 'loop3' (00000000173c9e53): fill_kobj_path: path = '/devices/virtual/block/loop3' ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace c0bd3698cbeaaf2d ]--- 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 de 57 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:ffff8880aa287cb0 EFLAGS: 00010203 RAX: 000000000000020b RBX: dffffc0000000000 RCX: 0000000000000000 kobject: 'loop1' (000000007fae7be9): kobject_uevent_env RDX: 0000000000000000 RSI: 0000000000000008 RDI: 000000000000105c RBP: ffff8880aa287d30 R08: ffff8880aa272300 R09: ffff8880aa272bc8 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880878f0a00 R13: ffff8880514b9400 R14: ffff888097a885e8 R15: ffff8880878f0a70 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004db5e8 CR3: 00000000979af000 CR4: 00000000001406f0