[ 37.323540][ T26] audit: type=1800 audit(1555468129.085:26): pid=7699 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 37.354123][ T26] audit: type=1800 audit(1555468129.085:27): pid=7699 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.376441][ T26] audit: type=1800 audit(1555468129.085:28): pid=7699 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.43' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 57.524205][ T1175] WARNING: CPU: 1 PID: 1175 at drivers/tty/tty_ioctl.c:319 tty_set_termios+0x7a9/0x8d0 [ 57.534082][ T1175] Kernel panic - not syncing: panic_on_warn set ... [ 57.540713][ T1175] CPU: 1 PID: 1175 Comm: kworker/u5:0 Not tainted 5.1.0-rc5+ #71 [ 57.548460][ T1175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.558516][ T1175] Workqueue: hci0 hci_power_on [ 57.563258][ T1175] Call Trace: [ 57.566532][ T1175] dump_stack+0x172/0x1f0 [ 57.570993][ T1175] ? tty_set_termios+0x700/0x8d0 [ 57.575922][ T1175] panic+0x2cb/0x65c [ 57.579804][ T1175] ? __warn_printk+0xf3/0xf3 [ 57.584483][ T1175] ? tty_set_termios+0x7a9/0x8d0 [ 57.589412][ T1175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.595631][ T1175] ? __warn.cold+0x5/0x45 [ 57.600041][ T1175] ? __warn+0xe8/0x1d0 [ 57.604105][ T1175] ? tty_set_termios+0x7a9/0x8d0 [ 57.609131][ T1175] __warn.cold+0x20/0x45 [ 57.613361][ T1175] ? tty_set_termios+0x7a9/0x8d0 [ 57.618343][ T1175] report_bug+0x263/0x2b0 [ 57.622663][ T1175] do_error_trap+0x11b/0x200 [ 57.627240][ T1175] do_invalid_op+0x37/0x50 [ 57.631637][ T1175] ? tty_set_termios+0x7a9/0x8d0 [ 57.636555][ T1175] invalid_op+0x14/0x20 [ 57.640771][ T1175] RIP: 0010:tty_set_termios+0x7a9/0x8d0 [ 57.646388][ T1175] Code: 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 a3 00 00 00 45 89 a7 d0 03 00 00 e9 47 fe ff ff e8 07 7c fd fd <0f> 0b e9 3a f9 ff ff e8 8b 8b 35 fe e9 d2 fa ff ff e8 81 8b 35 fe [ 57.665982][ T1175] RSP: 0018:ffff8880a7fbf968 EFLAGS: 00010293 [ 57.672029][ T1175] RAX: ffff8880a7fb0400 RBX: ffff8880a7fbfa28 RCX: ffffffff837309dd [ 57.679984][ T1175] RDX: 0000000000000000 RSI: ffffffff837310a9 RDI: 0000000000000005 [ 57.687931][ T1175] RBP: ffff8880a7fbfa50 R08: ffff8880a7fb0400 R09: fffffbfff162a18d [ 57.695876][ T1175] R10: fffffbfff162a18c R11: 0000000000000003 R12: ffff8880a7fbfa90 [ 57.703822][ T1175] R13: 0000000000010004 R14: 1ffff11014ff7f4c R15: ffff88808c05b2c0 [ 57.711790][ T1175] ? tty_set_termios+0xdd/0x8d0 [ 57.716617][ T1175] ? tty_set_termios+0x7a9/0x8d0 [ 57.721536][ T1175] ? tty_set_termios+0x7a9/0x8d0 [ 57.726458][ T1175] ? hci_dev_do_open+0xa3/0x1780 [ 57.731433][ T1175] ? tty_wait_until_sent+0x580/0x580 [ 57.736706][ T1175] ? __mutex_lock+0x3cd/0x1310 [ 57.741460][ T1175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.747688][ T1175] ? tty_termios_encode_baud_rate+0x3ca/0x4e0 [ 57.753746][ T1175] hci_uart_set_baudrate+0x157/0x1c0 [ 57.759014][ T1175] ? hci_uart_set_speeds+0x90/0x90 [ 57.764113][ T1175] ? ret_from_fork+0x3a/0x50 [ 57.768694][ T1175] ? kasan_check_write+0x14/0x20 [ 57.773644][ T1175] ? graph_lock+0x7b/0x200 [ 57.778060][ T1175] hci_uart_setup+0xa2/0x490 [ 57.782632][ T1175] ? hci_uart_set_baudrate+0x1c0/0x1c0 [ 57.788083][ T1175] hci_dev_do_open+0x78c/0x1780 [ 57.792918][ T1175] ? hci_rx_work+0xaa0/0xaa0 [ 57.797491][ T1175] ? mark_held_locks+0xf0/0xf0 [ 57.802240][ T1175] hci_power_on+0x10d/0x580 [ 57.806722][ T1175] ? hci_error_reset+0xf0/0xf0 [ 57.811542][ T1175] process_one_work+0x98e/0x1790 [ 57.816471][ T1175] ? pwq_dec_nr_in_flight+0x320/0x320 [ 57.821830][ T1175] worker_thread+0x98/0xe40 [ 57.826315][ T1175] kthread+0x357/0x430 [ 57.830360][ T1175] ? process_one_work+0x1790/0x1790 [ 57.835536][ T1175] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 57.841842][ T1175] ret_from_fork+0x3a/0x50 [ 57.847259][ T1175] Kernel Offset: disabled [ 57.851640][ T1175] Rebooting in 86400 seconds..