[ 36.118255][ T26] audit: type=1800 audit(1555598704.299:26): pid=7548 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 36.140308][ T26] audit: type=1800 audit(1555598704.299:27): pid=7548 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 36.181346][ T26] audit: type=1800 audit(1555598704.379:28): pid=7548 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. [ 37.064388][ T26] audit: type=1800 audit(1555598705.259:29): pid=7548 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.400436][ T1287] WARNING: CPU: 0 PID: 1287 at drivers/tty/tty_ioctl.c:319 tty_set_termios+0x7a9/0x8d0 [ 46.410165][ T1287] Kernel panic - not syncing: panic_on_warn set ... [ 46.416731][ T1287] CPU: 0 PID: 1287 Comm: kworker/u5:0 Not tainted 5.1.0-rc5-next-20190418 #28 [ 46.425548][ T1287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.435586][ T1287] Workqueue: hci0 hci_power_on [ 46.440323][ T1287] Call Trace: [ 46.443596][ T1287] dump_stack+0x172/0x1f0 [ 46.447910][ T1287] ? tty_set_termios+0x700/0x8d0 [ 46.452858][ T1287] panic+0x2cb/0x72b [ 46.456733][ T1287] ? __warn_printk+0xf3/0xf3 [ 46.461306][ T1287] ? tty_set_termios+0x7a9/0x8d0 [ 46.466221][ T1287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.472439][ T1287] ? __warn.cold+0x5/0x46 [ 46.476759][ T1287] ? __warn+0xe8/0x1d0 [ 46.480808][ T1287] ? tty_set_termios+0x7a9/0x8d0 [ 46.485722][ T1287] __warn.cold+0x20/0x46 [ 46.489943][ T1287] ? tty_set_termios+0x7a9/0x8d0 [ 46.494870][ T1287] report_bug+0x263/0x2b0 [ 46.499180][ T1287] do_error_trap+0x11b/0x200 [ 46.503772][ T1287] do_invalid_op+0x37/0x50 [ 46.508168][ T1287] ? tty_set_termios+0x7a9/0x8d0 [ 46.513086][ T1287] invalid_op+0x14/0x20 [ 46.517224][ T1287] RIP: 0010:tty_set_termios+0x7a9/0x8d0 [ 46.522747][ T1287] 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 e7 1b fa fd <0f> 0b e9 3a f9 ff ff e8 bb f5 32 fe e9 d2 fa ff ff e8 b1 f5 32 fe [ 46.542345][ T1287] RSP: 0018:ffff8880a698f968 EFLAGS: 00010293 [ 46.548390][ T1287] RAX: ffff8880a6944300 RBX: ffff8880a698fa28 RCX: ffffffff8376a3dd [ 46.556336][ T1287] RDX: 0000000000000000 RSI: ffffffff8376aaa9 RDI: 0000000000000005 [ 46.564299][ T1287] RBP: ffff8880a698fa50 R08: ffff8880a6944300 R09: fffffbfff162dd1d [ 46.572261][ T1287] R10: fffffbfff162dd1c R11: 0000000000000003 R12: ffff8880a698fa90 [ 46.580209][ T1287] R13: 0000000000010004 R14: 1ffff11014d31f4c R15: ffff88808ceea100 [ 46.588174][ T1287] ? tty_set_termios+0xdd/0x8d0 [ 46.593002][ T1287] ? tty_set_termios+0x7a9/0x8d0 [ 46.597935][ T1287] ? tty_set_termios+0x7a9/0x8d0 [ 46.602857][ T1287] ? hci_dev_do_open+0xa3/0x1780 [ 46.607774][ T1287] ? tty_wait_until_sent+0x580/0x580 [ 46.613038][ T1287] ? __mutex_lock+0x3cd/0x1310 [ 46.617804][ T1287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 46.624022][ T1287] ? tty_termios_encode_baud_rate+0x3ca/0x4e0 [ 46.630086][ T1287] hci_uart_set_baudrate+0x157/0x1c0 [ 46.635348][ T1287] ? hci_uart_set_speeds+0x90/0x90 [ 46.640442][ T1287] ? kasan_check_write+0x14/0x20 [ 46.645355][ T1287] ? graph_lock+0x7b/0x200 [ 46.649766][ T1287] hci_uart_setup+0xa2/0x490 [ 46.654333][ T1287] ? hci_uart_set_baudrate+0x1c0/0x1c0 [ 46.659769][ T1287] hci_dev_do_open+0x78c/0x1780 [ 46.664597][ T1287] ? hci_rx_work+0xaa0/0xaa0 [ 46.669170][ T1287] ? mark_held_locks+0xf0/0xf0 [ 46.673912][ T1287] hci_power_on+0x10d/0x580 [ 46.678390][ T1287] ? hci_error_reset+0xf0/0xf0 [ 46.683146][ T1287] process_one_work+0x98e/0x1790 [ 46.688085][ T1287] ? pwq_dec_nr_in_flight+0x320/0x320 [ 46.693439][ T1287] worker_thread+0x98/0xe40 [ 46.697938][ T1287] kthread+0x357/0x430 [ 46.701992][ T1287] ? process_one_work+0x1790/0x1790 [ 46.707168][ T1287] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 46.713392][ T1287] ret_from_fork+0x3a/0x50 [ 46.718753][ T1287] Kernel Offset: disabled [ 46.723140][ T1287] Rebooting in 86400 seconds..