[[0;32m OK [0m] Started Getty on tty5.
[[0;32m OK [0m] Started Getty on tty4.
[[0;32m OK [0m] Started Getty on tty3.
[[0;32m OK [0m] Started Getty on tty2.
[[0;32m OK [0m] Started Serial Getty on ttyS0.
[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.172' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 28.119992] FAULT_INJECTION: forcing a failure.
[ 28.119992] name failslab, interval 1, probability 0, space 0, times 1
[ 28.131292] CPU: 1 PID: 7997 Comm: syz-executor445 Not tainted 4.14.284-syzkaller #0
[ 28.139168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 28.148497] Call Trace:
[ 28.151064] dump_stack+0x1b2/0x281
[ 28.154667] should_fail.cold+0x10a/0x149
[ 28.158789] should_failslab+0xd6/0x130
[ 28.162740] __kmalloc+0x2c1/0x400
[ 28.166255] ? register_shrinker+0x1ab/0x220
[ 28.170640] register_shrinker+0x1ab/0x220
[ 28.174883] sget_userns+0x9aa/0xc10
[ 28.178568] ? set_bdev_super+0x110/0x110
[ 28.182701] ? ns_test_super+0x50/0x50
[ 28.186568] ? set_bdev_super+0x110/0x110
[ 28.190698] ? ns_test_super+0x50/0x50
[ 28.194557] sget+0xd1/0x110
[ 28.197551] mount_bdev+0xcd/0x360
[ 28.201064] ? fuse_get_root_inode+0xc0/0xc0
[ 28.205449] mount_fs+0x92/0x2a0
[ 28.208825] vfs_kern_mount.part.0+0x5b/0x470
[ 28.213296] do_mount+0xe65/0x2a30
[ 28.216812] ? lock_acquire+0x170/0x3f0
[ 28.220761] ? lock_downgrade+0x740/0x740
[ 28.224884] ? copy_mount_string+0x40/0x40
[ 28.229093] ? __might_fault+0x177/0x1b0
[ 28.233130] ? _copy_from_user+0x96/0x100
[ 28.237249] ? copy_mount_options+0x1fa/0x2f0
[ 28.241716] ? copy_mnt_ns+0xa30/0xa30
[ 28.245578] SyS_mount+0xa8/0x120
[ 28.249005] ? copy_mnt_ns+0xa30/0xa30
[ 28.252866] do_syscall_64+0x1d5/0x640
[ 28.256730] entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 28.261896] RIP: 0033:0x7fb82c242679
[ 28.265586] RSP: 002b:00007fff4865ace8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 28.273265] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb82c242679
[ 28.280510] RDX: 0000000020000280 RSI: 0000000020000240 RDI: 0000000020000200
[ 28.287754] RBP: 00007fff4865acf0 R08: 0000000000000000 R09: 00007fb82c003231
[ 28.294998] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[ 28.302252] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 28.310078] ------------[ cut here ]------------
[ 28.314924] WARNING: CPU: 1 PID: 7997 at fs/super.c:1163 kill_block_super+0xbe/0xe0
[ 28.322708] Kernel panic - not syncing: panic_on_warn set ...
[ 28.322708]
[ 28.330057] CPU: 1 PID: 7997 Comm: syz-executor445 Not tainted 4.14.284-syzkaller #0
[ 28.337912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 28.347239] Call Trace:
[ 28.349805] dump_stack+0x1b2/0x281
[ 28.353410] panic+0x1f9/0x42d
[ 28.356593] ? add_taint.cold+0x16/0x16
[ 28.360560] ? kill_block_super+0xbe/0xe0
[ 28.364682] ? kill_block_super+0xbe/0xe0
[ 28.368802] __warn.cold+0x20/0x44
[ 28.372335] ? ist_end_non_atomic+0x10/0x10
[ 28.376636] ? kill_block_super+0xbe/0xe0
[ 28.380760] report_bug+0x208/0x250
[ 28.384451] do_error_trap+0x195/0x2d0
[ 28.388313] ? math_error+0x2d0/0x2d0
[ 28.392088] ? retint_kernel+0x2d/0x2d
[ 28.395955] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 28.400781] invalid_op+0x1b/0x40
[ 28.404210] RIP: 0010:kill_block_super+0xbe/0xe0
[ 28.409119] RSP: 0018:ffff888095fdfbc8 EFLAGS: 00010297
[ 28.414454] RAX: ffff888099f021c0 RBX: 0000000000000000 RCX: 1ffff110133e054e
[ 28.421801] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff888090395730
[ 28.429059] RBP: ffff88809dd42bc0 R08: ffffffff8b9ded58 R09: 0000000000000001
[ 28.436316] R10: 0000000000000000 R11: ffff888099f021c0 R12: ffff888090395280
[ 28.443578] R13: ffffffff891ea290 R14: ffffffff88f45680 R15: dffffc0000000000
[ 28.450860] ? kill_block_super+0xbe/0xe0
[ 28.455004] deactivate_locked_super+0x6c/0xd0
[ 28.459561] sget_userns+0x9c4/0xc10
[ 28.463251] ? set_bdev_super+0x110/0x110
[ 28.467376] ? ns_test_super+0x50/0x50
[ 28.471238] ? set_bdev_super+0x110/0x110
[ 28.475365] ? ns_test_super+0x50/0x50
[ 28.479226] sget+0xd1/0x110
[ 28.482220] mount_bdev+0xcd/0x360
[ 28.485840] ? fuse_get_root_inode+0xc0/0xc0
[ 28.490233] mount_fs+0x92/0x2a0
[ 28.493674] vfs_kern_mount.part.0+0x5b/0x470
[ 28.498146] do_mount+0xe65/0x2a30
[ 28.501679] ? lock_acquire+0x170/0x3f0
[ 28.505631] ? lock_downgrade+0x740/0x740
[ 28.509755] ? copy_mount_string+0x40/0x40
[ 28.513965] ? __might_fault+0x177/0x1b0
[ 28.518000] ? _copy_from_user+0x96/0x100
[ 28.522136] ? copy_mount_options+0x1fa/0x2f0
[ 28.526615] ? copy_mnt_ns+0xa30/0xa30
[ 28.530485] SyS_mount+0xa8/0x120
[ 28.533928] ? copy_mnt_ns+0xa30/0xa30
[ 28.537796] do_syscall_64+0x1d5/0x640
[ 28.541780] entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 28.546952] RIP: 0033:0x7fb82c242679
[ 28.550640] RSP: 002b:00007fff4865ace8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 28.558338] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb82c242679
[ 28.565603] RDX: 0000000020000280 RSI: 0000000020000240 RDI: 0000000020000200
[ 28.572855] RBP: 00007fff4865acf0 R08: 0000000000000000 R09: 00007fb82c003231
[ 28.580101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[ 28.587351] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 28.594991] Kernel Offset: disabled
[ 28.598659] Rebooting in 86400 seconds..