Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts.
syzkaller login: [   30.042071] IPVS: ftp: loaded support on port[0] = 21
executing program
[   30.165632] ------------[ cut here ]------------
[   30.170483] WARNING: CPU: 0 PID: 7985 at drivers/tty/tty_ioctl.c:318 tty_set_termios+0x708/0x810
[   30.179389] Kernel panic - not syncing: panic_on_warn set ...
[   30.179389] 
[   30.186732] CPU: 0 PID: 7985 Comm: kworker/u5:2 Not tainted 4.14.302-syzkaller #0
[   30.194326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   30.203669] Workqueue: hci1 hci_power_on
[   30.207796] Call Trace:
[   30.210366]  dump_stack+0x1b2/0x281
[   30.213972]  panic+0x1f9/0x42d
[   30.217144]  ? add_taint.cold+0x16/0x16
[   30.221201]  ? tty_set_termios+0x708/0x810
[   30.225422]  ? tty_set_termios+0x708/0x810
[   30.229636]  __warn.cold+0x20/0x44
[   30.233168]  ? ist_end_non_atomic+0x10/0x10
[   30.237473]  ? tty_set_termios+0x708/0x810
[   30.241688]  report_bug+0x208/0x250
[   30.245302]  do_error_trap+0x195/0x2d0
[   30.249179]  ? math_error+0x2d0/0x2d0
[   30.252964]  ? check_preemption_disabled+0x35/0x240
[   30.257967]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   30.262793]  invalid_op+0x1b/0x40
[   30.266225] RIP: 0010:tty_set_termios+0x708/0x810
[   30.271043] RSP: 0018:ffff888095e57b20 EFLAGS: 00010297
[   30.276387] RAX: ffff88809546a380 RBX: ffff888095e57c28 RCX: dffffc0000000000
[   30.283673] RDX: 0000000000000000 RSI: ffff888095e57c28 RDI: ffff888238841438
[   30.290923] RBP: ffff888238841400 R08: 0000000000000000 R09: 0000000000040582
[   30.298173] R10: ffff88809546ac58 R11: ffff88809546a380 R12: ffff88809ccbc200
[   30.305418] R13: ffff8880b3044780 R14: 000000000001c200 R15: ffff888095439e98
[   30.312678]  ? tty_wait_until_sent+0x470/0x470
[   30.317239]  ? hci_dev_do_open+0x3d/0xe30
[   30.321366]  ? __mutex_lock+0x360/0x1310
[   30.325404]  ? tty_termios_encode_baud_rate+0x2f9/0x410
[   30.330747]  hci_uart_set_baudrate+0x13d/0x270
[   30.335312]  ? hci_uart_set_speeds+0x90/0x90
[   30.339709]  ? lock_downgrade+0x740/0x740
[   30.343838]  ? hci_sock_dev_event+0x7e/0x510
[   30.348258]  hci_uart_setup+0x8c/0x410
[   30.352123]  ? hci_uart_set_baudrate+0x270/0x270
[   30.356859]  hci_dev_do_open+0x34c/0xe30
[   30.360904]  ? lock_acquire+0x170/0x3f0
[   30.364857]  hci_power_on+0x97/0x3b0
[   30.368550]  process_one_work+0x793/0x14a0
[   30.372764]  ? work_busy+0x320/0x320
[   30.376543]  ? worker_thread+0x158/0xff0
[   30.380582]  ? _raw_spin_unlock_irq+0x24/0x80
[   30.385056]  worker_thread+0x5cc/0xff0
[   30.388927]  ? rescuer_thread+0xc80/0xc80
[   30.393052]  kthread+0x30d/0x420
[   30.396394]  ? kthread_create_on_node+0xd0/0xd0
[   30.401039]  ret_from_fork+0x24/0x30
[   30.405057] Kernel Offset: disabled
[   30.408726] Rebooting in 86400 seconds..