Bluetooth: hci0: Frame reassembly failed (-84) Bluetooth: hci1: Frame reassembly failed (-84) Bluetooth: hci0: Frame reassembly failed (-84) BUG: unable to handle kernel paging request at ffffffffffffffd6 #PF error: [normal kernel read fault] PGD 8874067 P4D 8874067 PUD 8876067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.0.0-rc5 #60 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound flush_to_ldisc RIP: 0010:h4_recv_buf+0x1ea/0xda0 drivers/bluetooth/hci_h4.c:211 Code: b6 14 10 48 89 c8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 d7 0a 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 45 d0 4c 8d 60 70 <0f> b7 58 2a 4c 89 e0 48 c1 e8 03 0f b6 04 10 84 c0 74 08 3c 03 0f RSP: 0018:ffff8880a9a2fb10 EFLAGS: 00010246 RAX: ffffffffffffffac RBX: 0000000000000000 RCX: ffffffffffffffd6 kobject: 'loop4' (00000000923e9bae): kobject_uevent_env RDX: dffffc0000000000 RSI: ffffffff84ecf372 RDI: 0000000000000005 RBP: ffff8880a9a2fb98 R08: ffff8880a9a20580 R09: 0000000000000003 R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 000000000000001c R13: ffff888095682080 R14: ffff88809221f220 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000a0ff2000 CR4: 00000000001426e0 kobject: 'loop4' (00000000923e9bae): fill_kobj_path: path = '/devices/virtual/block/loop4' DR0: 0000000000000000 DR1: 0000000037568535 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'tx-194' (00000000eb8087fe): kobject_cleanup, parent 000000002eed4873 h4_recv+0xe4/0x200 drivers/bluetooth/hci_h4.c:131 hci_uart_tty_receive+0x22b/0x530 drivers/bluetooth/hci_ldisc.c:607 tty_ldisc_receive_buf+0x164/0x1c0 drivers/tty/tty_buffer.c:465 kobject: 'tx-194' (00000000eb8087fe): auto cleanup 'remove' event tty_port_default_receive_buf+0x7d/0xb0 drivers/tty/tty_port.c:38 kobject: 'tx-194' (00000000eb8087fe): kobject_uevent_env receive_buf drivers/tty/tty_buffer.c:481 [inline] flush_to_ldisc+0x228/0x390 drivers/tty/tty_buffer.c:533 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173 kobject: 'tx-194' (00000000eb8087fe): fill_kobj_path: path = '/devices/virtual/net/vet/queues/tx-194' worker_thread+0x98/0xe40 kernel/workqueue.c:2319 kobject: 'tx-194' (00000000eb8087fe): auto cleanup kobject_del kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 kobject: 'tx-194' (00000000eb8087fe): calling ktype release Modules linked in: CR2: ffffffffffffffd6 ---[ end trace 77738ed90e2b1aaf ]--- RIP: 0010:h4_recv_buf+0x1ea/0xda0 drivers/bluetooth/hci_h4.c:211 kobject: 'tx-194': free name Code: b6 14 10 48 89 c8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 d7 0a 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 45 d0 4c 8d 60 70 <0f> b7 58 2a 4c 89 e0 48 c1 e8 03 0f b6 04 10 84 c0 74 08 3c 03 0f RSP: 0018:ffff8880a9a2fb10 EFLAGS: 00010246 RAX: ffffffffffffffac RBX: 0000000000000000 RCX: ffffffffffffffd6 RDX: dffffc0000000000 RSI: ffffffff84ecf372 RDI: 0000000000000005 RBP: ffff8880a9a2fb98 R08: ffff8880a9a20580 R09: 0000000000000003 R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 000000000000001c R13: ffff888095682080 R14: ffff88809221f220 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'tx-193' (00000000aace4fa8): kobject_cleanup, parent 000000002eed4873 CR2: ffffffffffffffd6 CR3: 00000000a0ff2000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000037568535 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400