Warning: Permanently added '10.128.1.42' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   31.096063] FAULT_INJECTION: forcing a failure.
[   31.096063] name failslab, interval 1, probability 0, space 0, times 1
[   31.107688] CPU: 1 PID: 7986 Comm: syz-executor279 Not tainted 4.14.281-syzkaller #0
[   31.115550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.124883] Call Trace:
[   31.127447]  dump_stack+0x1b2/0x281
[   31.131051]  should_fail.cold+0x10a/0x149
[   31.135178]  should_failslab+0xd6/0x130
[   31.139124]  __kmalloc+0x2c1/0x400
[   31.142636]  ? register_shrinker+0x1ab/0x220
[   31.147016]  register_shrinker+0x1ab/0x220
[   31.151228]  sget_userns+0x9aa/0xc10
[   31.154911]  ? set_bdev_super+0x110/0x110
[   31.159031]  ? ns_test_super+0x50/0x50
[   31.162894]  ? set_bdev_super+0x110/0x110
[   31.167012]  ? ns_test_super+0x50/0x50
[   31.170871]  sget+0xd1/0x110
[   31.173870]  mount_bdev+0xcd/0x360
[   31.177383]  ? fuse_get_root_inode+0xc0/0xc0
[   31.181765]  mount_fs+0x92/0x2a0
[   31.185106]  vfs_kern_mount.part.0+0x5b/0x470
[   31.189582]  do_mount+0xe65/0x2a30
[   31.193094]  ? lock_acquire+0x170/0x3f0
[   31.197044]  ? lock_downgrade+0x740/0x740
[   31.201163]  ? copy_mount_string+0x40/0x40
[   31.205367]  ? __might_fault+0x177/0x1b0
[   31.209400]  ? _copy_from_user+0x96/0x100
[   31.213522]  ? copy_mount_options+0x1fa/0x2f0
[   31.218000]  ? copy_mnt_ns+0xa30/0xa30
[   31.221882]  SyS_mount+0xa8/0x120
[   31.225325]  ? copy_mnt_ns+0xa30/0xa30
[   31.229189]  do_syscall_64+0x1d5/0x640
[   31.233061]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   31.238226] RIP: 0033:0x7fdaddc9c1a9
[   31.241911] RSP: 002b:00007ffc3e68fbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   31.249594] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdaddc9c1a9
[   31.256836] RDX: 00000000200002c0 RSI: 0000000020000200 RDI: 00000000200001c0
[   31.264081] RBP: 00007ffc3e68fbc0 R08: 0000000000000000 R09: 00007fdadd003231
[   31.271323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   31.278569] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   31.286758] ------------[ cut here ]------------
[   31.291585] WARNING: CPU: 1 PID: 7986 at fs/super.c:1163 kill_block_super+0xbe/0xe0
[   31.299370] Kernel panic - not syncing: panic_on_warn set ...
[   31.299370] 
[   31.306795] CPU: 1 PID: 7986 Comm: syz-executor279 Not tainted 4.14.281-syzkaller #0
[   31.314646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.323973] Call Trace:
[   31.326534]  dump_stack+0x1b2/0x281
[   31.330135]  panic+0x1f9/0x42d
[   31.333300]  ? add_taint.cold+0x16/0x16
[   31.337246]  ? kill_block_super+0xbe/0xe0
[   31.341368]  ? kill_block_super+0xbe/0xe0
[   31.345486]  __warn.cold+0x20/0x44
[   31.348998]  ? ist_end_non_atomic+0x10/0x10
[   31.353291]  ? kill_block_super+0xbe/0xe0
[   31.357412]  report_bug+0x208/0x250
[   31.361013]  do_error_trap+0x195/0x2d0
[   31.364871]  ? math_error+0x2d0/0x2d0
[   31.368641]  ? retint_kernel+0x2d/0x2d
[   31.372503]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   31.377318]  invalid_op+0x1b/0x40
[   31.380748] RIP: 0010:kill_block_super+0xbe/0xe0
[   31.385472] RSP: 0018:ffff8880b3037bc8 EFLAGS: 00010297
[   31.390810] RAX: ffff8880969f4180 RBX: 0000000000000000 RCX: 1ffff11012d3e946
[   31.398053] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a4c17c30
[   31.405295] RBP: ffff8880b37b27c0 R08: ffffffff8b9cc160 R09: 0000000000000001
[   31.412536] R10: 0000000000000000 R11: ffff8880969f4180 R12: ffff8880a4c17780
[   31.419779] R13: ffffffff891e9e70 R14: ffffffff88f45500 R15: dffffc0000000000
[   31.427032]  ? kill_block_super+0xbe/0xe0
[   31.431153]  deactivate_locked_super+0x6c/0xd0
[   31.435722]  sget_userns+0x9c4/0xc10
[   31.439411]  ? set_bdev_super+0x110/0x110
[   31.443536]  ? ns_test_super+0x50/0x50
[   31.447423]  ? set_bdev_super+0x110/0x110
[   31.451547]  ? ns_test_super+0x50/0x50
[   31.455406]  sget+0xd1/0x110
[   31.458399]  mount_bdev+0xcd/0x360
[   31.461925]  ? fuse_get_root_inode+0xc0/0xc0
[   31.466310]  mount_fs+0x92/0x2a0
[   31.469654]  vfs_kern_mount.part.0+0x5b/0x470
[   31.474122]  do_mount+0xe65/0x2a30
[   31.477635]  ? lock_acquire+0x170/0x3f0
[   31.481579]  ? lock_downgrade+0x740/0x740
[   31.485709]  ? copy_mount_string+0x40/0x40
[   31.489914]  ? __might_fault+0x177/0x1b0
[   31.493952]  ? _copy_from_user+0x96/0x100
[   31.498071]  ? copy_mount_options+0x1fa/0x2f0
[   31.502555]  ? copy_mnt_ns+0xa30/0xa30
[   31.506424]  SyS_mount+0xa8/0x120
[   31.509869]  ? copy_mnt_ns+0xa30/0xa30
[   31.513740]  do_syscall_64+0x1d5/0x640
[   31.517604]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   31.522777] RIP: 0033:0x7fdaddc9c1a9
[   31.526470] RSP: 002b:00007ffc3e68fbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   31.534157] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdaddc9c1a9
[   31.541398] RDX: 00000000200002c0 RSI: 0000000020000200 RDI: 00000000200001c0
[   31.548728] RBP: 00007ffc3e68fbc0 R08: 0000000000000000 R09: 00007fdadd003231
[   31.555970] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[   31.563222] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   31.570757] Kernel Offset: disabled
[   31.574408] Rebooting in 86400 seconds..