Warning: Permanently added '10.128.0.151' (ECDSA) to the list of known hosts.
syzkaller login: [   32.497672] IPVS: ftp: loaded support on port[0] = 21
executing program
[   32.583377] ------------[ cut here ]------------
[   32.588250] WARNING: CPU: 0 PID: 8003 at drivers/tty/tty_ioctl.c:318 tty_set_termios+0x708/0x810
[   32.597181] Kernel panic - not syncing: panic_on_warn set ...
[   32.597181] 
[   32.604528] CPU: 0 PID: 8003 Comm: kworker/u5:2 Not tainted 4.14.278-syzkaller #0
[   32.612127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.621467] Workqueue: hci1 hci_power_on
[   32.625553] Call Trace:
[   32.628123]  dump_stack+0x1b2/0x281
[   32.631734]  panic+0x1f9/0x42d
[   32.634905]  ? add_taint.cold+0x16/0x16
[   32.638876]  ? tty_set_termios+0x708/0x810
[   32.643098]  ? tty_set_termios+0x708/0x810
[   32.647309]  __warn.cold+0x20/0x44
[   32.650834]  ? ist_end_non_atomic+0x10/0x10
[   32.655132]  ? tty_set_termios+0x708/0x810
[   32.659952]  report_bug+0x208/0x250
[   32.663687]  do_error_trap+0x195/0x2d0
[   32.667570]  ? math_error+0x2d0/0x2d0
[   32.671355]  ? update_group_capacity+0x8b0/0x8b0
[   32.676104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   32.680931]  invalid_op+0x1b/0x40
[   32.684377] RIP: 0010:tty_set_termios+0x708/0x810
[   32.689193] RSP: 0018:ffff888096dc7b20 EFLAGS: 00010297
[   32.694535] RAX: ffff8880979ac3c0 RBX: ffff888096dc7c28 RCX: dffffc0000000000
[   32.701783] RDX: 0000000000000000 RSI: ffff888096dc7c28 RDI: ffff88823882d438
[   32.709033] RBP: ffff88823882d400 R08: 0000000000000000 R09: 000000000004058c
[   32.716281] R10: ffff8880979acc98 R11: ffff8880979ac3c0 R12: ffff88809b72d700
[   32.723528] R13: ffff8880aa4caa00 R14: 000000000001c200 R15: ffff8880b2f15c58
[   32.730793]  ? tty_wait_until_sent+0x470/0x470
[   32.735353]  ? hci_dev_do_open+0x3d/0xe30
[   32.739477]  ? __mutex_lock+0x360/0x1310
[   32.743520]  ? tty_termios_encode_baud_rate+0x2f9/0x410
[   32.748866]  hci_uart_set_baudrate+0x13d/0x270
[   32.753426]  ? hci_uart_set_speeds+0x90/0x90
[   32.757815]  ? lock_downgrade+0x740/0x740
[   32.761946]  ? hci_sock_dev_event+0x7e/0x510
[   32.766334]  hci_uart_setup+0x8c/0x410
[   32.770205]  ? hci_uart_set_baudrate+0x270/0x270
[   32.774942]  hci_dev_do_open+0x34c/0xe30
[   32.778978]  ? lock_acquire+0x170/0x3f0
[   32.782933]  hci_power_on+0x97/0x3b0
[   32.786628]  process_one_work+0x793/0x14a0
[   32.790845]  ? work_busy+0x320/0x320
[   32.794538]  ? worker_thread+0x158/0xff0
[   32.798577]  ? _raw_spin_unlock_irq+0x24/0x80
[   32.803054]  worker_thread+0x5cc/0xff0
[   32.806923]  ? rescuer_thread+0xc80/0xc80
[   32.811048]  kthread+0x30d/0x420
[   32.814391]  ? kthread_create_on_node+0xd0/0xd0
[   32.819040]  ret_from_fork+0x24/0x30
[   32.823070] Kernel Offset: disabled
[   32.826817] Rebooting in 86400 seconds..