INIT: Entering runlevel: 2

[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.10.22' (ECDSA) to the list of known hosts.
2018/03/30 10:43:08 parsed 1 programs
2018/03/30 10:43:08 executed programs: 0
syzkaller login: [   24.534422] IPVS: ftp: loaded support on port[0] = 21
[   24.584717] FAULT_INJECTION: forcing a failure.
[   24.584717] name failslab, interval 1, probability 0, space 0, times 1
[   24.596000] CPU: 0 PID: 4397 Comm: syz-executor0 Not tainted 4.16.0-rc7+ #371
[   24.603260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   24.612595] Call Trace:
[   24.615178]  dump_stack+0x194/0x24d
[   24.618790]  ? arch_local_irq_restore+0x53/0x53
[   24.623453]  should_fail+0x8c0/0xa40
[   24.627153]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[   24.632232]  ? rcu_read_lock_sched_held+0x108/0x120
[   24.637234]  ? find_held_lock+0x35/0x1d0
[   24.641275]  ? __lock_is_held+0xb6/0x140
[   24.645331]  ? check_same_owner+0x320/0x320
[   24.649629]  ? rcu_note_context_switch+0x710/0x710
[   24.654538]  should_failslab+0xec/0x120
[   24.658488]  kmem_cache_alloc_node_trace+0x5a/0x760
[   24.663487]  ? idr_alloc_u32+0x390/0x390
[   24.667546]  mem_cgroup_css_alloc+0x3b6/0x19c0
[   24.672120]  ? setup_cpu_cache+0x1c0/0x1c0
[   24.676342]  ? __kernfs_new_node+0x3f5/0x570
[   24.680738]  ? kernfs_dop_revalidate+0x380/0x380
[   24.685476]  ? trace_hardirqs_off+0x10/0x10
[   24.689775]  ? kernfs_link_sibling+0x27d/0x380
[   24.694331]  ? debug_lockdep_rcu_enabled+0x77/0x90
[   24.699241]  ? cgroup_kn_set_ugid+0x2c7/0x370
[   24.703713]  ? cgroup_file_name+0x1d0/0x1d0
[   24.708005]  ? mutex_unlock+0xd/0x10
[   24.711724]  ? __lock_is_held+0xb6/0x140
[   24.715787]  ? cgroup_addrm_files+0x67f/0xa70
[   24.720261]  ? trace_hardirqs_off+0x10/0x10
[   24.724559]  ? cgroup_file_write+0x710/0x710
[   24.728947]  ? cgroup_idr_replace+0x3f/0x50
[   24.733240]  ? trace_hardirqs_off+0x10/0x10
[   24.737535]  ? __lock_is_held+0xb6/0x140
[   24.741574]  ? __local_bh_enable_ip+0x121/0x230
[   24.746228]  ? __lock_is_held+0xb6/0x140
[   24.750271]  cgroup_apply_control_enable+0x44d/0xbc0
[   24.755360]  ? cgroup_propagate_control+0x570/0x570
[   24.760357]  ? css_populate_dir+0x289/0x420
[   24.764658]  cgroup_mkdir+0x56f/0xfc0
[   24.768431]  ? __lock_is_held+0xb6/0x140
[   24.772478]  ? cgroup_destroy_locked+0x750/0x750
[   24.777207]  ? rcu_read_lock_sched_held+0x108/0x120
[   24.782195]  ? kmem_cache_free+0x258/0x2a0
[   24.786405]  ? set_nlink+0xc1/0x160
[   24.790006]  ? debug_lockdep_rcu_enabled+0x77/0x90
[   24.794918]  ? generic_permission+0x105/0x3c0
[   24.799396]  ? cgroup_destroy_locked+0x750/0x750
[   24.804126]  kernfs_iop_mkdir+0x153/0x1e0
[   24.808259]  vfs_mkdir+0x390/0x600
[   24.811780]  SyS_mkdirat+0x22b/0x2b0
[   24.815473]  ? SyS_mknod+0x480/0x480
[   24.819161]  ? trace_hardirqs_on+0xd/0x10
[   24.823291]  ? do_syscall_64+0xb7/0x940
[   24.827252]  ? SyS_mknod+0x480/0x480
[   24.830940]  do_syscall_64+0x281/0x940
[   24.834803]  ? __do_page_fault+0xc90/0xc90
[   24.839017]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   24.843749]  ? syscall_return_slowpath+0x550/0x550
[   24.848653]  ? syscall_return_slowpath+0x2ac/0x550
[   24.853558]  ? prepare_exit_to_usermode+0x350/0x350
[   24.858550]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
[   24.863891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   24.868714]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   24.873876] RIP: 0033:0x4548b9
[   24.877036] RSP: 002b:0000000000a3e968 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[   24.885063] RAX: ffffffffffffffda RBX: 000000000197f914 RCX: 00000000004548b9
[   24.892307] RDX: 0000000000000020 RSI: 0000000020000280 RDI: 0000000000000003
[   24.899561] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
[   24.907004] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[   24.914249] R13: 00000000000003eb R14: 00000000006f7ea8 R15: 0000000000000034
[   24.921666] kasan: CONFIG_KASAN_INLINE enabled
[   24.926381] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   24.933761] general protection fault: 0000 [#1] SMP KASAN
[   24.939285] Dumping ftrace buffer:
[   24.942796]    (ftrace buffer empty)
[   24.946476] Modules linked in:
[   24.949642] CPU: 0 PID: 4397 Comm: syz-executor0 Not tainted 4.16.0-rc7+ #371
[   24.956903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   24.966235] RIP: 0010:__mem_cgroup_free+0x71/0x110
[   24.971130] RSP: 0018:ffff8801b60075a8 EFLAGS: 00010206
[   24.976466] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffffffff82b16fed
[   24.983707] RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000088
[   24.990949] RBP: ffff8801b60075c8 R08: 0000000000000000 R09: ffff8801b60073a0
[   24.998277] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   25.005515] R13: ffff8801b5d5e380 R14: dffffc0000000000 R15: ffff8801b5d5e380
[   25.012759] FS:  000000000197f940(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   25.020967] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.026842] CR2: 00000000004d8104 CR3: 00000001b61f4006 CR4: 00000000001606f0
[   25.034094] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.041335] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.048573] Call Trace:
[   25.051139]  mem_cgroup_css_alloc+0x403/0x19c0
[   25.055698]  ? setup_cpu_cache+0x1c0/0x1c0
[   25.059911]  ? __kernfs_new_node+0x3f5/0x570
[   25.064291]  ? kernfs_dop_revalidate+0x380/0x380
[   25.069026]  ? trace_hardirqs_off+0x10/0x10
[   25.073320]  ? kernfs_link_sibling+0x27d/0x380
[   25.077872]  ? debug_lockdep_rcu_enabled+0x77/0x90
[   25.082775]  ? cgroup_kn_set_ugid+0x2c7/0x370
[   25.087240]  ? cgroup_file_name+0x1d0/0x1d0
[   25.091531]  ? mutex_unlock+0xd/0x10
[   25.095218]  ? __lock_is_held+0xb6/0x140
[   25.099253]  ? cgroup_addrm_files+0x67f/0xa70
[   25.103721]  ? trace_hardirqs_off+0x10/0x10
[   25.108016]  ? cgroup_file_write+0x710/0x710
[   25.112402]  ? cgroup_idr_replace+0x3f/0x50
[   25.116697]  ? trace_hardirqs_off+0x10/0x10
[   25.120990]  ? __lock_is_held+0xb6/0x140
[   25.125032]  ? __local_bh_enable_ip+0x121/0x230
[   25.129675]  ? __lock_is_held+0xb6/0x140
[   25.133710]  cgroup_apply_control_enable+0x44d/0xbc0
[   25.138789]  ? cgroup_propagate_control+0x570/0x570
[   25.143779]  ? css_populate_dir+0x289/0x420
[   25.148071]  cgroup_mkdir+0x56f/0xfc0
[   25.151845]  ? __lock_is_held+0xb6/0x140
[   25.155878]  ? cgroup_destroy_locked+0x750/0x750
[   25.160601]  ? rcu_read_lock_sched_held+0x108/0x120
[   25.165588]  ? kmem_cache_free+0x258/0x2a0
[   25.169797]  ? set_nlink+0xc1/0x160
[   25.173395]  ? debug_lockdep_rcu_enabled+0x77/0x90
[   25.178293]  ? generic_permission+0x105/0x3c0
[   25.182759]  ? cgroup_destroy_locked+0x750/0x750
[   25.187483]  kernfs_iop_mkdir+0x153/0x1e0
[   25.191605]  vfs_mkdir+0x390/0x600
[   25.195126]  SyS_mkdirat+0x22b/0x2b0
[   25.198814]  ? SyS_mknod+0x480/0x480
[   25.202497]  ? trace_hardirqs_on+0xd/0x10
[   25.206617]  ? do_syscall_64+0xb7/0x940
[   25.210573]  ? SyS_mknod+0x480/0x480
[   25.214257]  do_syscall_64+0x281/0x940
[   25.218117]  ? __do_page_fault+0xc90/0xc90
[   25.222321]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   25.227046]  ? syscall_return_slowpath+0x550/0x550
[   25.231945]  ? syscall_return_slowpath+0x2ac/0x550
[   25.236842]  ? prepare_exit_to_usermode+0x350/0x350
[   25.241830]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
[   25.247164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   25.251978]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   25.257135] RIP: 0033:0x4548b9
[   25.260293] RSP: 002b:0000000000a3e968 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[   25.267970] RAX: ffffffffffffffda RBX: 000000000197f914 RCX: 00000000004548b9
[   25.275209] RDX: 0000000000000020 RSI: 0000000020000280 RDI: 0000000000000003
[   25.282446] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
[   25.289683] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[   25.296921] R13: 00000000000003eb R14: 00000000006f7ea8 R15: 0000000000000034
[   25.304165] Code: 00 00 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 99 00 00 00 4f 8b a4 e5 f0 09 00 00 49 8d bc 24 88 00 00 00 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 88 00 00 00 49 8b bc 24 88 00 00 00 e8 77 
[   25.323242] RIP: __mem_cgroup_free+0x71/0x110 RSP: ffff8801b60075a8
[   25.329680] ---[ end trace d403055db59e7c54 ]---
[   25.334448] Kernel panic - not syncing: Fatal exception
[   25.340171] Dumping ftrace buffer:
[   25.343683]    (ftrace buffer empty)
[   25.347363] Kernel Offset: disabled
[   25.350966] Rebooting in 86400 seconds..