Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   53.036859] WARNING: CPU: 1 PID: 1171 at drivers/tty/tty_ioctl.c:319 tty_set_termios+0x93a/0xac0
[   53.045856] Kernel panic - not syncing: panic_on_warn set ...
[   53.051728] CPU: 1 PID: 1171 Comm: kworker/u5:0 Not tainted 5.0.0-rc1+ #22
[   53.058726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.068076] Workqueue: hci0 hci_power_on
[   53.072115] Call Trace:
[   53.074683]  dump_stack+0x1db/0x2d0
[   53.078296]  ? dump_stack_print_info.cold+0x20/0x20
[   53.083299]  ? tty_set_termios+0x8b0/0xac0
[   53.087520]  panic+0x2cb/0x65c
[   53.090699]  ? add_taint.cold+0x16/0x16
[   53.094656]  ? tty_set_termios+0x93a/0xac0
[   53.098874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   53.104397]  ? __probe_kernel_read+0x1f4/0x250
[   53.108963]  ? __warn.cold+0x5/0x48
[   53.112573]  ? __warn+0xe8/0x1d0
[   53.115921]  ? tty_set_termios+0x93a/0xac0
[   53.120138]  __warn.cold+0x20/0x48
[   53.123660]  ? tty_set_termios+0x93a/0xac0
[   53.127880]  report_bug+0x263/0x2b0
[   53.131492]  do_error_trap+0x11b/0x200
[   53.135365]  do_invalid_op+0x37/0x50
[   53.139062]  ? tty_set_termios+0x93a/0xac0
[   53.143282]  invalid_op+0x14/0x20
[   53.146729] RIP: 0010:tty_set_termios+0x93a/0xac0
[   53.151555] Code: 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ec 00 00 00 41 89 9f d0 03 00 00 e9 f6 fd ff ff e8 d6 18 a8 fd <0f> 0b e9 a9 f7 ff ff e8 4a 04 ec fd e9 48 f9 ff ff 4c 89 ef e8 9d
[   53.170435] RSP: 0018:ffff8880a75cf600 EFLAGS: 00010293
[   53.175777] RAX: ffff8880a752c300 RBX: ffff8880a75cf6c0 RCX: ffffffff83d9d62d
[   53.183031] RDX: 0000000000000000 RSI: ffffffff83d9de8a RDI: 0000000000000005
[   53.190295] RBP: ffff8880a75cf6e8 R08: ffff8880a752c300 R09: fffffbfff181d7b5
[   53.197554] R10: fffffbfff181d7b4 R11: 0000000000000003 R12: ffff8880a75cf728
[   53.204804] R13: 0000000000010004 R14: 000000000001c200 R15: ffff8880a9376880
[   53.212063]  ? tty_set_termios+0xdd/0xac0
[   53.216207]  ? tty_set_termios+0x93a/0xac0
[   53.220445]  ? save_trace+0xe0/0x290
[   53.224142]  ? tty_wait_until_sent+0x5d0/0x5d0
[   53.228735]  ? kasan_check_read+0x11/0x20
[   53.232864]  ? __lock_acquire+0x2514/0x4a30
[   53.237170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   53.242692]  ? tty_termios_encode_baud_rate+0x3ca/0x4e0
[   53.248050]  hci_uart_set_baudrate+0x1cc/0x250
[   53.252628]  ? hci_uart_set_speeds+0x90/0x90
[   53.257027]  ? hci_send_monitor_ctrl_event+0x520/0x520
[   53.262287]  ? find_held_lock+0x35/0x120
[   53.266336]  hci_uart_setup+0xa2/0x490
[   53.270207]  ? hci_uart_set_baudrate+0x250/0x250
[   53.274945]  hci_dev_do_open+0x6b1/0x1920
[   53.279078]  ? hci_rx_work+0xcd0/0xcd0
[   53.282950]  ? process_one_work+0xbf1/0x1ce0
[   53.287338]  ? find_held_lock+0x35/0x120
[   53.291384]  ? add_lock_to_list.isra.0+0x450/0x450
[   53.296301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   53.301821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   53.307340]  ? check_preemption_disabled+0x48/0x290
[   53.312340]  hci_power_on+0x10d/0x880
[   53.316125]  ? hci_error_reset+0xf0/0xf0
[   53.320165]  ? __lock_is_held+0xb6/0x140
[   53.324217]  process_one_work+0xd0c/0x1ce0
[   53.328436]  ? __wake_up_common_lock+0x1db/0x390
[   53.333179]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[   53.337837]  ? trace_hardirqs_off+0xb8/0x310
[   53.342230]  ? kasan_check_read+0x11/0x20
[   53.346360]  ? do_raw_spin_unlock+0xa0/0x330
[   53.350754]  ? do_raw_spin_trylock+0x270/0x270
[   53.355329]  ? __wake_up_common+0x7d0/0x7d0
[   53.359635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   53.365168]  ? get_work_pool_id+0x1a0/0x1a0
[   53.369470]  ? trace_hardirqs_on_caller+0x310/0x310
[   53.374473]  worker_thread+0x143/0x14a0
[   53.378454]  ? process_one_work+0x1ce0/0x1ce0
[   53.382944]  ? __kthread_parkme+0xc3/0x1b0
[   53.387177]  ? lock_acquire+0x1db/0x570
[   53.391137]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[   53.396222]  ? lockdep_hardirqs_on+0x415/0x5d0
[   53.400789]  ? trace_hardirqs_on+0xbd/0x310
[   53.405095]  ? kasan_check_read+0x11/0x20
[   53.409225]  ? __kthread_parkme+0xc3/0x1b0
[   53.413442]  ? trace_hardirqs_off_caller+0x300/0x300
[   53.418526]  ? do_raw_spin_trylock+0x270/0x270
[   53.423088]  ? schedule+0x108/0x350
[   53.426695]  ? do_raw_spin_trylock+0x270/0x270
[   53.431270]  ? _raw_spin_unlock_irqrestore+0xa4/0xe0
[   53.436357]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[   53.441876]  ? __kthread_parkme+0xfb/0x1b0
[   53.446095]  kthread+0x357/0x430
[   53.449444]  ? process_one_work+0x1ce0/0x1ce0
[   53.453918]  ? kthread_stop+0x920/0x920
[   53.457875]  ret_from_fork+0x3a/0x50
[   53.462701] Kernel Offset: disabled
[   53.466374] Rebooting in 86400 seconds..