[ 57.755458][ T26] audit: type=1800 audit(1559718304.289:25): pid=8712 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.799575][ T26] audit: type=1800 audit(1559718304.289:26): pid=8712 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.821941][ T26] audit: type=1800 audit(1559718304.289:27): pid=8712 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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 '10.128.0.222' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 65.867450][ T1503] WARNING: CPU: 0 PID: 1503 at drivers/tty/tty_ioctl.c:319 tty_set_termios+0x7a5/0x8d0 [ 65.877166][ T1503] Kernel panic - not syncing: panic_on_warn set ... [ 65.883798][ T1503] CPU: 0 PID: 1503 Comm: kworker/u5:0 Not tainted 5.2.0-rc3+ #38 [ 65.891493][ T1503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.901552][ T1503] Workqueue: hci0 hci_power_on [ 65.906315][ T1503] Call Trace: [ 65.909623][ T1503] dump_stack+0x172/0x1f0 [ 65.913938][ T1503] ? tty_set_termios+0x6e0/0x8d0 [ 65.918851][ T1503] panic+0x2cb/0x744 [ 65.922727][ T1503] ? __warn_printk+0xf3/0xf3 [ 65.927298][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 65.932241][ T1503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.938465][ T1503] ? __warn.cold+0x5/0x4d [ 65.942863][ T1503] ? __warn+0xe8/0x1d0 [ 65.946912][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 65.951828][ T1503] __warn.cold+0x20/0x4d [ 65.956052][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 65.960972][ T1503] report_bug+0x263/0x2b0 [ 65.965310][ T1503] do_error_trap+0x11b/0x200 [ 65.969890][ T1503] do_invalid_op+0x37/0x50 [ 65.974308][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 65.979247][ T1503] invalid_op+0x14/0x20 [ 65.983407][ T1503] RIP: 0010:tty_set_termios+0x7a5/0x8d0 [ 65.988937][ T1503] 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 49 fe ff ff e8 eb a4 f9 fd <0f> 0b e9 3e f9 ff ff e8 ef 42 32 fe e9 d6 fa ff ff e8 e5 42 32 fe [ 66.008527][ T1503] RSP: 0018:ffff8880a6677968 EFLAGS: 00010293 [ 66.014595][ T1503] RAX: ffff8880a66b2640 RBX: ffff8880a6677a28 RCX: ffffffff8376fafd [ 66.022660][ T1503] RDX: 0000000000000000 RSI: ffffffff837701c5 RDI: 0000000000000005 [ 66.030639][ T1503] RBP: ffff8880a6677a50 R08: ffff8880a66b2640 R09: fffffbfff163c5f5 [ 66.038829][ T1503] R10: fffffbfff163c5f4 R11: 0000000000000003 R12: ffff8880a6677a90 [ 66.046810][ T1503] R13: 0000000000010004 R14: 1ffff11014ccef4c R15: ffff88808c594000 [ 66.054793][ T1503] ? tty_set_termios+0xdd/0x8d0 [ 66.059634][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 66.064584][ T1503] ? tty_set_termios+0x7a5/0x8d0 [ 66.069510][ T1503] ? hci_dev_do_open+0xa3/0x1760 [ 66.074437][ T1503] ? tty_wait_until_sent+0x580/0x580 [ 66.079713][ T1503] ? __mutex_lock+0x3cd/0x1310 [ 66.084489][ T1503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.090836][ T1503] ? tty_termios_encode_baud_rate+0x3ca/0x4e0 [ 66.096920][ T1503] hci_uart_set_baudrate+0x157/0x1c0 [ 66.102288][ T1503] ? hci_uart_set_speeds+0x90/0x90 [ 66.107394][ T1503] ? find_first_zero_bit+0x9a/0xc0 [ 66.112500][ T1503] ? kasan_check_read+0x11/0x20 [ 66.117342][ T1503] hci_uart_setup+0xa2/0x490 [ 66.121929][ T1503] ? hci_uart_set_baudrate+0x1c0/0x1c0 [ 66.127375][ T1503] hci_dev_do_open+0x784/0x1760 [ 66.132217][ T1503] ? hci_rx_work+0xaa0/0xaa0 [ 66.136789][ T1503] ? trace_hardirqs_off+0x62/0x220 [ 66.141888][ T1503] ? process_one_work+0x890/0x1790 [ 66.146981][ T1503] ? find_held_lock+0x35/0x130 [ 66.151774][ T1503] ? process_one_work+0x890/0x1790 [ 66.156870][ T1503] hci_power_on+0x10d/0x580 [ 66.161353][ T1503] ? hci_error_reset+0xf0/0xf0 [ 66.166106][ T1503] process_one_work+0x989/0x1790 [ 66.171050][ T1503] ? pwq_dec_nr_in_flight+0x320/0x320 [ 66.176524][ T1503] worker_thread+0x98/0xe40 [ 66.181021][ T1503] kthread+0x354/0x420 [ 66.185073][ T1503] ? process_one_work+0x1790/0x1790 [ 66.190379][ T1503] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 66.196629][ T1503] ret_from_fork+0x24/0x30 [ 66.206081][ T1503] Kernel Offset: disabled [ 66.210462][ T1503] Rebooting in 86400 seconds..