Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts. syzkaller login: [ 31.737333] FAULT_INJECTION: forcing a failure. [ 31.737333] name failslab, interval 1, probability 0, space 0, times 1 [ 31.748764] CPU: 1 PID: 7989 Comm: syz-executor185 Not tainted 4.14.217-syzkaller #0 [ 31.756625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.765955] Call Trace: [ 31.768555] dump_stack+0x1b2/0x281 [ 31.772156] should_fail.cold+0x10a/0x149 [ 31.776310] should_failslab+0xd6/0x130 [ 31.780258] kmem_cache_alloc+0x28e/0x3c0 [ 31.784384] copy_process.part.0+0x4ad1/0x71c0 [ 31.788990] ? __cleanup_sighand+0x40/0x40 [ 31.793201] ? _raw_spin_unlock_irq+0x5a/0x80 [ 31.797685] ? do_sigaction+0x35c/0x810 [ 31.801648] _do_fork+0x184/0xc80 [ 31.805083] ? SyS_rt_sigaction+0x104/0x1b0 [ 31.809375] ? fork_idle+0x270/0x270 [ 31.813069] ? do_syscall_64+0x4c/0x640 [ 31.817014] ? sys_vfork+0x20/0x20 [ 31.820526] do_syscall_64+0x1d5/0x640 [ 31.824391] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.829553] RIP: 0033:0x44459a [ 31.832715] RSP: 002b:00007ffd59529840 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 31.840396] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044459a [ 31.847668] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 31.854912] RBP: 00007ffd59529860 R08: 0000000000000000 R09: 000000000124f940 [ 31.862154] R10: 000000000124fc10 R11: 0000000000000246 R12: 0000000000000000 [ 31.869397] R13: 0000000000402c90 R14: 0000000000000000 R15: 0000000000000000 executing program [ 31.890097] IPVS: ftp: loaded support on port[0] = 21 [ 31.922658] IPVS: ftp: loaded support on port[0] = 21 [ 31.935637] FAULT_INJECTION: forcing a failure. [ 31.935637] name failslab, interval 1, probability 0, space 0, times 0 [ 31.947038] CPU: 0 PID: 8020 Comm: syz-executor185 Not tainted 4.14.217-syzkaller #0 [ 31.954908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.964257] Call Trace: [ 31.966825] dump_stack+0x1b2/0x281 [ 31.970432] should_fail.cold+0x10a/0x149 [ 31.974655] should_failslab+0xd6/0x130 [ 31.978620] __kmalloc+0x2c1/0x400 [ 31.982135] ? register_shrinker+0x1ab/0x220 [ 31.986533] register_shrinker+0x1ab/0x220 [ 31.990760] sget_userns+0x9aa/0xc10 [ 31.994728] ? set_bdev_super+0x110/0x110 [ 31.998850] ? ns_test_super+0x50/0x50 [ 32.002711] ? set_bdev_super+0x110/0x110 [ 32.006827] ? ns_test_super+0x50/0x50 [ 32.010688] sget+0xd1/0x110 [ 32.013680] mount_bdev+0xcd/0x360 [ 32.017195] ? qnx4_iget+0xa20/0xa20 [ 32.020897] mount_fs+0x92/0x2a0 [ 32.024244] vfs_kern_mount.part.0+0x5b/0x470 [ 32.028732] do_mount+0xe53/0x2a00 [ 32.032260] ? do_raw_spin_unlock+0x164/0x220 [ 32.036729] ? copy_mount_string+0x40/0x40 [ 32.040936] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 32.045925] ? copy_mnt_ns+0xa30/0xa30 [ 32.049785] ? copy_mount_options+0x1fa/0x2f0 [ 32.054263] ? copy_mnt_ns+0xa30/0xa30 [ 32.058124] SyS_mount+0xa8/0x120 [ 32.061549] ? copy_mnt_ns+0xa30/0xa30 [ 32.065408] do_syscall_64+0x1d5/0x640 [ 32.069288] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.074459] RIP: 0033:0x44863a [ 32.077622] RSP: 002b:00007ffd595296c8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 32.085303] RAX: ffffffffffffffda RBX: 00007ffd59529710 RCX: 000000000044863a [ 32.092581] RDX: 0000000020000000 RSI: 0000000020000080 RDI: 00007ffd595296d0 [ 32.099825] RBP: 0000000000000006 R08: 00007ffd59529710 R09: 6f6f6c2f7665642f [ 32.107082] R10: 0000000000000001 R11: 0000000000000297 R12: 0000000000000005 [ 32.114334] R13: 00007ffd595296d0 R14: 00000000200003d0 R15: 0000000000000005 [ 32.122733] ------------[ cut here ]------------ [ 32.127637] WARNING: CPU: 0 PID: 8020 at fs/super.c:1163 kill_block_super+0xbe/0xe0 [ 32.135428] Kernel panic - not syncing: panic_on_warn set ... [ 32.135428] [ 32.142779] CPU: 0 PID: 8020 Comm: syz-executor185 Not tainted 4.14.217-syzkaller #0 [ 32.150671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.160007] Call Trace: [ 32.162570] dump_stack+0x1b2/0x281 [ 32.166168] panic+0x1f9/0x42d [ 32.169333] ? add_taint.cold+0x16/0x16 [ 32.173283] ? kill_block_super+0xbe/0xe0 [ 32.177404] ? kill_block_super+0xbe/0xe0 [ 32.181524] __warn.cold+0x20/0x44 [ 32.185042] ? ist_end_non_atomic+0x10/0x10 [ 32.189340] ? kill_block_super+0xbe/0xe0 [ 32.193463] report_bug+0x208/0x250 [ 32.197070] do_error_trap+0x195/0x2d0 [ 32.200941] ? math_error+0x2d0/0x2d0 [ 32.204725] ? retint_kernel+0x2d/0x2d [ 32.208597] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.213512] invalid_op+0x1b/0x40 [ 32.216952] RIP: 0010:kill_block_super+0xbe/0xe0 [ 32.221681] RSP: 0018:ffff88809492fbb0 EFLAGS: 00010297 [ 32.227034] RAX: ffff8880b37e4180 RBX: 0000000000000000 RCX: 1ffff110166fc946 [ 32.234280] RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880b18e84f0 [ 32.241531] RBP: ffff8880b4f1c600 R08: ffffffff8b9a29e0 R09: 0000000000000001 [ 32.248772] R10: 0000000000000000 R11: ffff8880b37e4180 R12: ffff8880b18e8040 [ 32.256026] R13: ffffffff891e0870 R14: ffffffff88f44f00 R15: dffffc0000000000 [ 32.263298] qnx4_kill_sb+0x38/0x90 [ 32.266904] deactivate_locked_super+0x6c/0xd0 [ 32.271525] sget_userns+0x9c4/0xc10 [ 32.275216] ? set_bdev_super+0x110/0x110 [ 32.279355] ? ns_test_super+0x50/0x50 [ 32.283233] ? set_bdev_super+0x110/0x110 [ 32.287357] ? ns_test_super+0x50/0x50 [ 32.291220] sget+0xd1/0x110 [ 32.294213] mount_bdev+0xcd/0x360 [ 32.297727] ? qnx4_iget+0xa20/0xa20 [ 32.301440] mount_fs+0x92/0x2a0 [ 32.304786] vfs_kern_mount.part.0+0x5b/0x470 [ 32.309265] do_mount+0xe53/0x2a00 [ 32.312812] ? do_raw_spin_unlock+0x164/0x220 [ 32.317358] ? copy_mount_string+0x40/0x40 [ 32.321570] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 32.326566] ? copy_mnt_ns+0xa30/0xa30 [ 32.330437] ? copy_mount_options+0x1fa/0x2f0 [ 32.334910] ? copy_mnt_ns+0xa30/0xa30 [ 32.338773] SyS_mount+0xa8/0x120 [ 32.342214] ? copy_mnt_ns+0xa30/0xa30 [ 32.346098] do_syscall_64+0x1d5/0x640 [ 32.349969] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 32.355138] RIP: 0033:0x44863a [ 32.358305] RSP: 002b:00007ffd595296c8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 32.365990] RAX: ffffffffffffffda RBX: 00007ffd59529710 RCX: 000000000044863a [ 32.373237] RDX: 0000000020000000 RSI: 0000000020000080 RDI: 00007ffd595296d0 [ 32.380485] RBP: 0000000000000006 R08: 00007ffd59529710 R09: 6f6f6c2f7665642f [ 32.387739] R10: 0000000000000001 R11: 0000000000000297 R12: 0000000000000005 [ 32.395002] R13: 00007ffd595296d0 R14: 00000000200003d0 R15: 0000000000000005 [ 32.403499] Kernel Offset: disabled [ 32.407180] Rebooting in 86400 seconds..