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 '10.128.0.39' (ECDSA) to the list of known hosts. syzkaller login: [ 63.829088] IPVS: ftp: loaded support on port[0] = 21 executing program [ 63.853817] IPVS: ftp: loaded support on port[0] = 21 executing program [ 63.874288] FAULT_INJECTION: forcing a failure. [ 63.874288] name failslab, interval 1, probability 0, space 0, times 1 [ 63.885558] CPU: 1 PID: 4375 Comm: syzkaller542467 Not tainted 4.16.0-rc6+ #43 [ 63.885905] IPVS: ftp: loaded support on port[0] = 21 [ 63.892891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.892896] Call Trace: [ 63.892907] dump_stack+0x194/0x24d [ 63.892914] ? arch_local_irq_restore+0x53/0x53 [ 63.892923] should_fail+0x8c0/0xa40 executing program [ 63.892930] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 63.917753] IPVS: ftp: loaded support on port[0] = 21 [ 63.918224] ? __lock_is_held+0xb6/0x140 [ 63.918230] ? mark_held_locks+0xaf/0x100 [ 63.918235] ? __raw_spin_lock_init+0x1c/0x100 [ 63.918242] ? find_held_lock+0x35/0x1d0 [ 63.918248] ? __lock_is_held+0xb6/0x140 [ 63.946761] IPVS: ftp: loaded support on port[0] = 21 [ 63.948989] ? check_same_owner+0x320/0x320 [ 63.948995] ? d_alloc+0x269/0x340 [ 63.949005] ? rcu_note_context_switch+0x710/0x710 executing program [ 63.974972] ? lock_release+0xa40/0xa40 [ 63.978922] should_failslab+0xec/0x120 [ 63.982872] kmem_cache_alloc+0x47/0x760 [ 63.986907] ? d_drop+0x51/0x60 [ 63.990160] ? rpc_i_callback+0x30/0x30 [ 63.994109] rpc_alloc_inode+0x1a/0x20 [ 63.994723] IPVS: ftp: loaded support on port[0] = 21 [ 63.997979] alloc_inode+0x65/0x180 [ 63.997986] new_inode_pseudo+0x69/0x190 [ 63.997990] ? prune_icache_sb+0x1a0/0x1a0 [ 63.997996] ? do_raw_spin_trylock+0x190/0x190 [ 63.998002] ? d_add+0xa70/0xa70 [ 64.022923] new_inode+0x1c/0x40 [ 64.026262] rpc_get_inode+0x20/0x1e0 [ 64.029234] IPVS: ftp: loaded support on port[0] = 21 [ 64.030035] __rpc_create_common+0x5d/0x1d0 [ 64.030043] rpc_populate.constprop.15+0x1ad/0x340 [ 64.030051] rpc_fill_super+0x379/0xae0 [ 64.048482] ? cap_capable+0x1b5/0x230 [ 64.052343] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 64.057505] ? security_capable+0x8e/0xc0 [ 64.058882] IPVS: ftp: loaded support on port[0] = 21 [ 64.061628] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 executing program executing program executing program executing program [ 64.061637] ? ns_capable_common+0xcf/0x160 [ 64.061643] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 64.061649] mount_ns+0xc4/0x190 [ 64.061658] rpc_mount+0x9e/0xd0 [ 64.088236] mount_fs+0x66/0x2d0 [ 64.091580] vfs_kern_mount.part.26+0xc6/0x4a0 [ 64.096140] ? may_umount+0xa0/0xa0 [ 64.099743] ? _raw_read_unlock+0x22/0x30 [ 64.103865] ? __get_fs_type+0x8a/0xc0 [ 64.107728] do_mount+0xea4/0x2bb0 [ 64.111244] ? __might_fault+0x110/0x1d0 [ 64.115277] ? copy_mount_string+0x40/0x40 [ 64.119499] ? check_same_owner+0x320/0x320 [ 64.123797] ? __check_object_size+0x8b/0x530 [ 64.128270] ? __might_sleep+0x95/0x190 [ 64.132222] ? kasan_check_write+0x14/0x20 [ 64.136431] ? _copy_from_user+0x99/0x110 [ 64.140553] ? memdup_user+0x5e/0x90 [ 64.144237] ? copy_mount_options+0x1f7/0x2e0 [ 64.148705] SyS_mount+0xab/0x120 [ 64.152130] ? copy_mnt_ns+0xb30/0xb30 [ 64.155992] do_syscall_64+0x281/0x940 [ 64.159853] ? vmalloc_sync_all+0x30/0x30 [ 64.163989] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 64.168720] ? syscall_return_slowpath+0x550/0x550 [ 64.173624] ? syscall_return_slowpath+0x2ac/0x550 [ 64.178529] ? prepare_exit_to_usermode+0x350/0x350 [ 64.183518] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 64.188857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.193676] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.198838] RIP: 0033:0x442f09 [ 64.202002] RSP: 002b:00007ffc4045f468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.209691] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442f09 [ 64.216947] RDX: 0000000020000480 RSI: 0000000020000180 RDI: 0000000020000100 [ 64.224189] RBP: 00007ffc4045fd10 R08: 0000000000000000 R09: 0000000000000000 [ 64.231432] R10: 0000000000200000 R11: 0000000000000246 R12: ffffffffffffffff [ 64.238673] R13: 0000000000000006 R14: 0000000000000000 R15: 00007ffc4045f5a8 [ 64.246046] net/sunrpc/rpc_pipe.c: __rpc_create_common failed to allocate inode for dentry portmap [ 64.255401] net/sunrpc/rpc_pipe.c: rpc_populate failed to populate directory / [ 64.269662] FAULT_INJECTION: forcing a failure. [ 64.269662] name failslab, interval 1, probability 0, space 0, times 0 [ 64.270935] FAULT_INJECTION: forcing a failure. [ 64.270935] name failslab, interval 1, probability 0, space 0, times 0 [ 64.280905] CPU: 1 PID: 4376 Comm: syzkaller542467 Not tainted 4.16.0-rc6+ #43 [ 64.280913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.308810] Call Trace: [ 64.311381] dump_stack+0x194/0x24d [ 64.314983] ? arch_local_irq_restore+0x53/0x53 [ 64.319729] ? find_held_lock+0x35/0x1d0 [ 64.323766] should_fail+0x8c0/0xa40 [ 64.327451] ? __list_lru_init+0x352/0x750 [ 64.331658] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 64.336732] ? trace_hardirqs_off+0x10/0x10 [ 64.341026] ? find_next_zero_bit+0xe3/0x110 [ 64.345409] ? trace_hardirqs_off+0x10/0x10 [ 64.349706] ? find_held_lock+0x35/0x1d0 [ 64.353739] ? __lock_is_held+0xb6/0x140 [ 64.357777] ? check_same_owner+0x320/0x320 [ 64.362071] ? lock_downgrade+0x980/0x980 [ 64.366195] ? rcu_note_context_switch+0x710/0x710 [ 64.371093] ? find_held_lock+0x35/0x1d0 [ 64.375127] should_failslab+0xec/0x120 [ 64.379088] __kmalloc+0x63/0x760 [ 64.382514] ? lock_downgrade+0x980/0x980 [ 64.386640] ? register_shrinker+0x10e/0x2d0 [ 64.391021] ? trace_event_raw_event_module_request+0x320/0x320 [ 64.397055] register_shrinker+0x10e/0x2d0 [ 64.401262] ? __bpf_trace_mm_vmscan_wakeup_kswapd+0x40/0x40 [ 64.407041] ? memcpy+0x45/0x50 [ 64.410294] sget_userns+0xbbf/0xe40 [ 64.413980] ? set_anon_super+0x20/0x20 [ 64.417931] ? put_filp+0x90/0x90 [ 64.421357] ? destroy_unused_super.part.6+0xd0/0xd0 [ 64.426434] ? path_lookupat+0x238/0xba0 [ 64.430467] ? mnt_free_id.isra.21+0x50/0x50 [ 64.434889] ? trace_hardirqs_off+0x10/0x10 [ 64.439187] ? putname+0xee/0x130 [ 64.442629] ? cap_capable+0x1b5/0x230 [ 64.446490] ? security_capable+0x8e/0xc0 [ 64.450614] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 64.455777] ? ns_capable_common+0xcf/0x160 [ 64.460099] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 64.465264] mount_ns+0x6d/0x190 [ 64.468605] rpc_mount+0x9e/0xd0 [ 64.471945] mount_fs+0x66/0x2d0 [ 64.475286] vfs_kern_mount.part.26+0xc6/0x4a0 [ 64.479843] ? may_umount+0xa0/0xa0 [ 64.483446] ? _raw_read_unlock+0x22/0x30 [ 64.487828] ? __get_fs_type+0x8a/0xc0 [ 64.491692] do_mount+0xea4/0x2bb0 [ 64.495241] ? __might_fault+0x110/0x1d0 [ 64.499280] ? copy_mount_string+0x40/0x40 [ 64.503516] ? check_same_owner+0x320/0x320 [ 64.507809] ? __check_object_size+0x8b/0x530 [ 64.512281] ? __might_sleep+0x95/0x190 [ 64.516231] ? kasan_check_write+0x14/0x20 [ 64.520438] ? _copy_from_user+0x99/0x110 [ 64.524610] ? memdup_user+0x5e/0x90 [ 64.528300] ? copy_mount_options+0x1f7/0x2e0 [ 64.532772] SyS_mount+0xab/0x120 [ 64.536198] ? copy_mnt_ns+0xb30/0xb30 [ 64.540061] do_syscall_64+0x281/0x940 [ 64.543920] ? vmalloc_sync_all+0x30/0x30 [ 64.548039] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 64.552770] ? syscall_return_slowpath+0x550/0x550 [ 64.557673] ? syscall_return_slowpath+0x2ac/0x550 [ 64.562577] ? prepare_exit_to_usermode+0x350/0x350 [ 64.567572] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 64.572911] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.577728] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.582896] RIP: 0033:0x442f09 [ 64.586070] RSP: 002b:00007ffc4045f468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.593751] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442f09 [ 64.600994] RDX: 0000000020000480 RSI: 0000000020000180 RDI: 0000000020000100 [ 64.608235] RBP: 00007ffc4045fd10 R08: 0000000000000000 R09: 0000000000000000 [ 64.615740] R10: 0000000000200000 R11: 0000000000000246 R12: ffffffffffffffff [ 64.622982] R13: 0000000000000006 R14: 0000000000000000 R15: 00007ffc4045f5a8 [ 64.630238] CPU: 0 PID: 4381 Comm: syzkaller542467 Not tainted 4.16.0-rc6+ #43 [ 64.637607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.638779] FAULT_INJECTION: forcing a failure. [ 64.638779] name failslab, interval 1, probability 0, space 0, times 0 [ 64.646950] Call Trace: [ 64.646965] dump_stack+0x194/0x24d [ 64.646972] ? arch_local_irq_restore+0x53/0x53 [ 64.646978] ? find_held_lock+0x35/0x1d0 [ 64.646987] should_fail+0x8c0/0xa40 [ 64.646993] ? __list_lru_init+0x352/0x750 [ 64.647003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 64.647007] ? trace_hardirqs_off+0x10/0x10 [ 64.647013] ? find_next_zero_bit+0xe3/0x110 [ 64.694678] ? trace_hardirqs_off+0x10/0x10 [ 64.698980] ? find_held_lock+0x35/0x1d0 [ 64.703017] ? __lock_is_held+0xb6/0x140 [ 64.707055] ? check_same_owner+0x320/0x320 [ 64.711350] ? lock_downgrade+0x980/0x980 [ 64.715474] ? rcu_note_context_switch+0x710/0x710 [ 64.720377] ? find_held_lock+0x35/0x1d0 [ 64.724416] should_failslab+0xec/0x120 [ 64.728364] __kmalloc+0x63/0x760 [ 64.731788] ? lock_downgrade+0x980/0x980 [ 64.735908] ? register_shrinker+0x10e/0x2d0 [ 64.740289] ? trace_event_raw_event_module_request+0x320/0x320 [ 64.746322] register_shrinker+0x10e/0x2d0 [ 64.750536] ? __bpf_trace_mm_vmscan_wakeup_kswapd+0x40/0x40 [ 64.756314] ? memcpy+0x45/0x50 [ 64.759565] sget_userns+0xbbf/0xe40 [ 64.763249] ? set_anon_super+0x20/0x20 [ 64.767198] ? put_filp+0x90/0x90 [ 64.770624] ? destroy_unused_super.part.6+0xd0/0xd0 [ 64.775698] ? path_lookupat+0x238/0xba0 [ 64.779931] ? mnt_free_id.isra.21+0x50/0x50 [ 64.784317] ? trace_hardirqs_off+0x10/0x10 [ 64.788621] ? putname+0xee/0x130 [ 64.792047] ? cap_capable+0x1b5/0x230 [ 64.795909] ? security_capable+0x8e/0xc0 [ 64.800033] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 64.805195] ? ns_capable_common+0xcf/0x160 [ 64.809488] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 64.814650] mount_ns+0x6d/0x190 [ 64.817988] rpc_mount+0x9e/0xd0 [ 64.821326] mount_fs+0x66/0x2d0 [ 64.824666] vfs_kern_mount.part.26+0xc6/0x4a0 [ 64.829221] ? may_umount+0xa0/0xa0 [ 64.832820] ? _raw_read_unlock+0x22/0x30 [ 64.836938] ? __get_fs_type+0x8a/0xc0 [ 64.840797] do_mount+0xea4/0x2bb0 [ 64.844307] ? __might_fault+0x110/0x1d0 [ 64.848342] ? copy_mount_string+0x40/0x40 [ 64.852548] ? check_same_owner+0x320/0x320 [ 64.856838] ? __check_object_size+0x8b/0x530 [ 64.861307] ? __might_sleep+0x95/0x190 [ 64.865259] ? kasan_check_write+0x14/0x20 [ 64.869466] ? _copy_from_user+0x99/0x110 [ 64.873587] ? memdup_user+0x5e/0x90 [ 64.877268] ? copy_mount_options+0x1f7/0x2e0 [ 64.881736] SyS_mount+0xab/0x120 [ 64.885161] ? copy_mnt_ns+0xb30/0xb30 [ 64.889020] do_syscall_64+0x281/0x940 [ 64.892879] ? vmalloc_sync_all+0x30/0x30 [ 64.897002] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 64.902522] ? syscall_return_slowpath+0x550/0x550 [ 64.907423] ? syscall_return_slowpath+0x2ac/0x550 [ 64.912331] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 64.917668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.922483] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.927644] RIP: 0033:0x442f09 [ 64.930805] RSP: 002b:00007ffc4045f468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.938482] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442f09 [ 64.945722] RDX: 0000000020000480 RSI: 0000000020000180 RDI: 0000000020000100 [ 64.952963] RBP: 00007ffc4045fd10 R08: 0000000000000000 R09: 0000000000000000 [ 64.960206] R10: 0000000000200000 R11: 0000000000000246 R12: ffffffffffffffff [ 64.967446] R13: 0000000000000006 R14: 0000000000000000 R15: 00007ffc4045f5a8 [ 64.974699] CPU: 1 PID: 4380 Comm: syzkaller542467 Not tainted 4.16.0-rc6+ #43 [ 64.982058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.991398] Call Trace: [ 64.993973] dump_stack+0x194/0x24d [ 64.997587] ? arch_local_irq_restore+0x53/0x53 [ 65.002234] ? __save_stack_trace+0x7e/0xd0 [ 65.006533] should_fail+0x8c0/0xa40 [ 65.010223] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 65.015320] ? kasan_kmalloc+0xad/0xe0 [ 65.019178] ? kmem_cache_alloc_trace+0x136/0x740 [ 65.023994] ? __memcg_init_list_lru_node+0x169/0x270 [ 65.029159] ? __list_lru_init+0x544/0x750 [ 65.033373] ? sget_userns+0x6b1/0xe40 [ 65.037242] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 65.041971] ? do_mount+0xea4/0x2bb0 [ 65.045664] ? SyS_mount+0xab/0x120 [ 65.049267] ? do_syscall_64+0x281/0x940 [ 65.053302] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.058640] ? find_held_lock+0x35/0x1d0 [ 65.062675] ? __lock_is_held+0xb6/0x140 [ 65.066715] ? check_same_owner+0x320/0x320 [ 65.071013] ? rcu_note_context_switch+0x710/0x710 [ 65.075917] should_failslab+0xec/0x120 [ 65.079866] kmem_cache_alloc_trace+0x4b/0x740 [ 65.084417] ? __kmalloc_node+0x33/0x70 [ 65.088363] ? __kmalloc_node+0x33/0x70 [ 65.092308] ? rcu_read_lock_sched_held+0x108/0x120 [ 65.097301] __memcg_init_list_lru_node+0x169/0x270 [ 65.102290] ? list_lru_add+0x7c0/0x7c0 [ 65.106238] ? __kmalloc_node+0x47/0x70 [ 65.110186] __list_lru_init+0x544/0x750 [ 65.114220] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 65.120075] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 65.125065] ? lockdep_init_map+0x9/0x10 [ 65.129100] sget_userns+0x6b1/0xe40 [ 65.132786] ? set_anon_super+0x20/0x20 [ 65.136737] ? put_filp+0x90/0x90 [ 65.140161] ? destroy_unused_super.part.6+0xd0/0xd0 [ 65.145236] ? alloc_vfsmnt+0x762/0x9c0 [ 65.149182] ? path_lookupat+0x238/0xba0 [ 65.153214] ? mnt_free_id.isra.21+0x50/0x50 [ 65.157594] ? trace_hardirqs_off+0x10/0x10 [ 65.161885] ? putname+0xee/0x130 [ 65.165312] ? cap_capable+0x1b5/0x230 [ 65.169174] ? security_capable+0x8e/0xc0 [ 65.173295] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 65.178461] ? ns_capable_common+0xcf/0x160 [ 65.182752] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 65.187912] mount_ns+0x6d/0x190 [ 65.191251] rpc_mount+0x9e/0xd0 [ 65.194591] mount_fs+0x66/0x2d0 [ 65.197935] vfs_kern_mount.part.26+0xc6/0x4a0 [ 65.202488] ? may_umount+0xa0/0xa0 [ 65.206086] ? _raw_read_unlock+0x22/0x30 [ 65.210213] ? __get_fs_type+0x8a/0xc0 [ 65.214075] do_mount+0xea4/0x2bb0 [ 65.217592] ? __might_fault+0x110/0x1d0 [ 65.221630] ? copy_mount_string+0x40/0x40 [ 65.225834] ? check_same_owner+0x320/0x320 [ 65.230132] ? __check_object_size+0x8b/0x530 [ 65.234614] ? __might_sleep+0x95/0x190 [ 65.238576] ? kasan_check_write+0x14/0x20 [ 65.242785] ? _copy_from_user+0x99/0x110 [ 65.247713] ? memdup_user+0x5e/0x90 [ 65.251400] ? copy_mount_options+0x1f7/0x2e0 [ 65.255869] SyS_mount+0xab/0x120 [ 65.259295] ? copy_mnt_ns+0xb30/0xb30 [ 65.263156] do_syscall_64+0x281/0x940 [ 65.267015] ? vmalloc_sync_all+0x30/0x30 [ 65.271133] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 65.275862] ? syscall_return_slowpath+0x550/0x550 [ 65.280763] ? syscall_return_slowpath+0x2ac/0x550 [ 65.285667] ? prepare_exit_to_usermode+0x350/0x350 [ 65.290656] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 65.295993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.300812] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.305974] RIP: 0033:0x442f09 [ 65.309136] RSP: 002b:00007ffc4045f468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.316814] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442f09 [ 65.324059] RDX: 0000000020000480 RSI: 0000000020000180 RDI: 0000000020000100 [ 65.331301] RBP: 00007ffc4045fd10 R08: 0000000000000000 R09: 0000000000000000 [ 65.338544] R10: 0000000000200000 R11: 0000000000000246 R12: ffffffffffffffff [ 65.345785] R13: 0000000000000006 R14: 0000000000000000 R15: 00007ffc4045f5a8 [ 65.353684] FAULT_INJECTION: forcing a failure. [ 65.353684] name failslab, interval 1, probability 0, space 0, times 0 [ 65.355839] FAULT_INJECTION: forcing a failure. [ 65.355839] name failslab, interval 1, probability 0, space 0, times 0 [ 65.364930] CPU: 0 PID: 4377 Comm: syzkaller542467 Not tainted 4.16.0-rc6+ #43 [ 65.364934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.364936] Call Trace: [ 65.364949] dump_stack+0x194/0x24d [ 65.398950] ? arch_local_irq_restore+0x53/0x53 [ 65.403592] ? find_held_lock+0x35/0x1d0 [ 65.407628] should_fail+0x8c0/0xa40 [ 65.411324] ? __list_lru_init+0x352/0x750 [ 65.415532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 65.420610] ? trace_hardirqs_off+0x10/0x10 [ 65.424906] ? find_next_zero_bit+0xe3/0x110 [ 65.429291] ? trace_hardirqs_off+0x10/0x10 [ 65.433588] ? find_held_lock+0x35/0x1d0 [ 65.437621] ? __lock_is_held+0xb6/0x140 [ 65.441674] ? check_same_owner+0x320/0x320 [ 65.445982] ? lock_downgrade+0x980/0x980 [ 65.450111] ? rcu_note_context_switch+0x710/0x710 [ 65.455015] ? find_held_lock+0x35/0x1d0 [ 65.459054] should_failslab+0xec/0x120 [ 65.463006] __kmalloc+0x63/0x760 [ 65.466430] ? lock_downgrade+0x980/0x980 [ 65.470553] ? register_shrinker+0x10e/0x2d0 [ 65.474934] ? trace_event_raw_event_module_request+0x320/0x320 [ 65.480967] register_shrinker+0x10e/0x2d0 [ 65.485175] ? __bpf_trace_mm_vmscan_wakeup_kswapd+0x40/0x40 [ 65.490944] ? memcpy+0x45/0x50 [ 65.494197] sget_userns+0xbbf/0xe40 [ 65.497881] ? set_anon_super+0x20/0x20 [ 65.501829] ? put_filp+0x90/0x90 [ 65.505254] ? destroy_unused_super.part.6+0xd0/0xd0 [ 65.510330] ? path_lookupat+0x238/0xba0 [ 65.514364] ? mnt_free_id.isra.21+0x50/0x50 [ 65.518747] ? trace_hardirqs_off+0x10/0x10 [ 65.523057] ? putname+0xee/0x130 [ 65.526506] ? cap_capable+0x1b5/0x230 [ 65.530389] ? security_capable+0x8e/0xc0 [ 65.534526] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 65.539703] ? ns_capable_common+0xcf/0x160 [ 65.544006] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 65.549177] mount_ns+0x6d/0x190 [ 65.552528] rpc_mount+0x9e/0xd0 [ 65.555875] mount_fs+0x66/0x2d0 [ 65.559225] vfs_kern_mount.part.26+0xc6/0x4a0 [ 65.563787] ? may_umount+0xa0/0xa0 [ 65.567398] ? _raw_read_unlock+0x22/0x30 [ 65.571527] ? __get_fs_type+0x8a/0xc0 [ 65.575402] do_mount+0xea4/0x2bb0 [ 65.578927] ? __might_fault+0x110/0x1d0 [ 65.582974] ? copy_mount_string+0x40/0x40 [ 65.587190] ? check_same_owner+0x320/0x320 [ 65.591496] ? __check_object_size+0x8b/0x530 [ 65.595976] ? __might_sleep+0x95/0x190 [ 65.599939] ? kasan_check_write+0x14/0x20 [ 65.604160] ? _copy_from_user+0x99/0x110 [ 65.608292] ? memdup_user+0x5e/0x90 [ 65.611986] ? copy_mount_options+0x1f7/0x2e0 [ 65.616464] SyS_mount+0xab/0x120 [ 65.619902] ? copy_mnt_ns+0xb30/0xb30 [ 65.623772] do_syscall_64+0x281/0x940 [ 65.627642] ? vmalloc_sync_all+0x30/0x30 [ 65.631772] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 65.637291] ? syscall_return_slowpath+0x550/0x550 [ 65.642203] ? syscall_return_slowpath+0x2ac/0x550 [ 65.647118] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 65.652475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.657303] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.662475] RIP: 0033:0x442f09 [ 65.665646] RSP: 002b:00007ffc4045f468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.673338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442f09 [ 65.680591] RDX: 0000000020000480 RSI: 0000000020000180 RDI: 0000000020000100 [ 65.687846] RBP: 00007ffc4045fd10 R08: 0000000000000000 R09: 0000000000000000 [ 65.695101] R10: 0000000000200000 R11: 0000000000000246 R12: ffffffffffffffff [ 65.702351] R13: 0000000000000006 R14: 0000000000000000 R15: 00007ffc4045f5a8 [ 65.709615] CPU: 1 PID: 4378 Comm: syzkaller542467 Not tainted 4.16.0-rc6+ #43 [ 65.711244] FAULT_INJECTION: forcing a failure. [ 65.711244] name failslab, interval 1, probability 0, space 0, times 0 [ 65.716975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.716979] Call Trace: [ 65.716991] dump_stack+0x194/0x24d [ 65.717001] ? arch_local_irq_restore+0x53/0x53 [ 65.717010] ? __save_stack_trace+0x7e/0xd0 [ 65.717025] should_fail+0x8c0/0xa40 [ 65.717039] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 65.761414] ? kasan_kmalloc+0xad/0xe0 [ 65.765281] ? kmem_cache_alloc_trace+0x136/0x740 [ 65.770104] ? __memcg_init_list_lru_node+0x169/0x270 [ 65.775273] ? __list_lru_init+0x544/0x750 [ 65.779490] ? sget_userns+0x6b1/0xe40 [ 65.783363] ? vfs_kern_mount.part.26+0xc6/0x4a0 [ 65.788095] ? do_mount+0xea4/0x2bb0 [ 65.791789] ? SyS_mount+0xab/0x120 [ 65.795398] ? do_syscall_64+0x281/0x940 [ 65.799441] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.804789] ? find_held_lock+0x35/0x1d0 [ 65.808836] ? __lock_is_held+0xb6/0x140 [ 65.812884] ? check_same_owner+0x320/0x320 [ 65.817191] ? rcu_note_context_switch+0x710/0x710 [ 65.822104] should_failslab+0xec/0x120 [ 65.826061] kmem_cache_alloc_trace+0x4b/0x740 [ 65.830626] ? __kmalloc_node+0x33/0x70 [ 65.834582] ? __kmalloc_node+0x33/0x70 [ 65.838542] ? rcu_read_lock_sched_held+0x108/0x120 [ 65.843544] __memcg_init_list_lru_node+0x169/0x270 [ 65.848544] ? list_lru_add+0x7c0/0x7c0 [ 65.852502] ? __kmalloc_node+0x47/0x70 [ 65.856461] __list_lru_init+0x544/0x750 [ 65.860508] ? memcg_destroy_list_lru_node.isra.7+0x110/0x110 [ 65.866377] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 65.871378] ? lockdep_init_map+0x9/0x10 [ 65.875424] sget_userns+0x6b1/0xe40 [ 65.879117] ? set_anon_super+0x20/0x20 [ 65.883078] ? put_filp+0x90/0x90 [ 65.886516] ? destroy_unused_super.part.6+0xd0/0xd0 [ 65.891602] ? alloc_vfsmnt+0x762/0x9c0 [ 65.895559] ? path_lookupat+0x238/0xba0 [ 65.899603] ? mnt_free_id.isra.21+0x50/0x50 [ 65.904000] ? trace_hardirqs_off+0x10/0x10 [ 65.908307] ? putname+0xee/0x130 [ 65.911743] ? cap_capable+0x1b5/0x230 [ 65.915621] ? security_capable+0x8e/0xc0 [ 65.919755] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 65.924930] ? ns_capable_common+0xcf/0x160 [ 65.929235] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 65.934403] mount_ns+0x6d/0x190 [ 65.937756] rpc_mount+0x9e/0xd0 [ 65.941105] mount_fs+0x66/0x2d0 [ 65.944453] vfs_kern_mount.part.26+0xc6/0x4a0 [ 65.949016] ? may_umount+0xa0/0xa0 [ 65.952635] ? _raw_read_unlock+0x22/0x30 [ 65.956767] ? __get_fs_type+0x8a/0xc0 [ 65.960640] do_mount+0xea4/0x2bb0 [ 65.964163] ? __might_fault+0x110/0x1d0 [ 65.968210] ? copy_mount_string+0x40/0x40 [ 65.972428] ? check_same_owner+0x320/0x320 [ 65.976732] ? __check_object_size+0x8b/0x530 [ 65.981211] ? __might_sleep+0x95/0x190 [ 65.985170] ? kasan_check_write+0x14/0x20 [ 65.989385] ? _copy_from_user+0x99/0x110 [ 65.993521] ? memdup_user+0x5e/0x90 [ 65.997214] ? copy_mount_options+0x1f7/0x2e0 [ 66.001694] SyS_mount+0xab/0x120 [ 66.005130] ? copy_mnt_ns+0xb30/0xb30 [ 66.008999] do_syscall_64+0x281/0x940 [ 66.012870] ? vmalloc_sync_all+0x30/0x30 [ 66.016999] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.021742] ? syscall_return_slowpath+0x550/0x550 [ 66.026654] ? syscall_return_slowpath+0x2ac/0x550 [ 66.031566] ? prepare_exit_to_usermode+0x350/0x350 [ 66.036570] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 66.041920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.046748] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.051920] RIP: 0033:0x442f09 [ 66.055090] RSP: 002b:00007ffc4045f468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.062783] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442f09 [ 66.070033] RDX: 0000000020000480 RSI: 0000000020000180 RDI: 0000000020000100 executing program [ 66.077284] RBP: 00007ffc4045fd10 R08: 0000000000000000 R09: 0000000000000000 [ 66.084537] R10: 0000000000200000 R11: 0000000000000246 R12: ffffffffffffffff [ 66.091791] R13: 0000000000000006 R14: 0000000000000000 R15: 00007ffc4045f5a8 [ 66.099061] CPU: 0 PID: 4379 Comm: syzkaller542467 Not tainted 4.16.0-rc6+ #43 [ 66.106434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.115780] Call Trace: [ 66.118370] dump_stack+0x194/0x24d [ 66.122013] ? arch_local_irq_restore+0x53/0x53 [ 66.126681] ? find_held_lock+0x35/0x1d0 [ 66.130730] should_fail+0x8c0/0xa40 [ 66.134420] ? __list_lru_init+0x352/0x750 [ 66.138632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 66.143709] ? trace_hardirqs_off+0x10/0x10 [ 66.148008] ? find_next_zero_bit+0xe3/0x110 [ 66.152396] ? trace_hardirqs_off+0x10/0x10 [ 66.156699] ? find_held_lock+0x35/0x1d0 [ 66.160754] ? __lock_is_held+0xb6/0x140 [ 66.164795] ? check_same_owner+0x320/0x320 [ 66.169098] ? lock_downgrade+0x980/0x980 [ 66.173223] ? rcu_note_context_switch+0x710/0x710 [ 66.178125] ? find_held_lock+0x35/0x1d0 [ 66.182163] should_failslab+0xec/0x120 [ 66.186117] __kmalloc+0x63/0x760 [ 66.189555] ? lock_downgrade+0x980/0x980 [ 66.193678] ? register_shrinker+0x10e/0x2d0 [ 66.198061] ? trace_event_raw_event_module_request+0x320/0x320 [ 66.204099] register_shrinker+0x10e/0x2d0 [ 66.208308] ? __bpf_trace_mm_vmscan_wakeup_kswapd+0x40/0x40 [ 66.214080] ? memcpy+0x45/0x50 [ 66.217337] sget_userns+0xbbf/0xe40 [ 66.221030] ? set_anon_super+0x20/0x20 [ 66.224985] ? put_filp+0x90/0x90 [ 66.228417] ? destroy_unused_super.part.6+0xd0/0xd0 [ 66.233497] ? path_lookupat+0x238/0xba0 [ 66.237536] ? mnt_free_id.isra.21+0x50/0x50 [ 66.241926] ? trace_hardirqs_off+0x10/0x10 [ 66.246229] ? putname+0xee/0x130 [ 66.249666] ? cap_capable+0x1b5/0x230 [ 66.253528] ? security_capable+0x8e/0xc0 [ 66.257655] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 66.262834] ? ns_capable_common+0xcf/0x160 [ 66.267132] ? rpc_remove_pipe_dir_object+0x6d0/0x6d0 [ 66.272296] mount_ns+0x6d/0x190 [ 66.275640] rpc_mount+0x9e/0xd0 [ 66.278994] mount_fs+0x66/0x2d0 [ 66.282342] vfs_kern_mount.part.26+0xc6/0x4a0 [ 66.286901] ? may_umount+0xa0/0xa0 [ 66.290503] ? _raw_read_unlock+0x22/0x30 [ 66.294625] ? __get_fs_type+0x8a/0xc0 [ 66.298485] do_mount+0xea4/0x2bb0 [ 66.302009] ? __might_fault+0x110/0x1d0 [ 66.306066] ? copy_mount_string+0x40/0x40 [ 66.310279] ? check_same_owner+0x320/0x320 [ 66.314573] ? __check_object_size+0x8b/0x530 [ 66.319052] ? __might_sleep+0x95/0x190 [ 66.323013] ? kasan_check_write+0x14/0x20 [ 66.327228] ? _copy_from_user+0x99/0x110 [ 66.331350] ? memdup_user+0x5e/0x90 [ 66.335039] ? copy_mount_options+0x1f7/0x2e0 [ 66.339510] SyS_mount+0xab/0x120 [ 66.342935] ? copy_mnt_ns+0xb30/0xb30 [ 66.346805] do_syscall_64+0x281/0x940 [ 66.350664] ? vmalloc_sync_all+0x30/0x30 [ 66.354793] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.359532] ? syscall_return_slowpath+0x550/0x550 [ 66.364434] ? syscall_return_slowpath+0x2ac/0x550 [ 66.369348] ? prepare_exit_to_usermode+0x350/0x350 [ 66.374336] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 66.379678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.384501] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.389666] RIP: 0033:0x442f09 [ 66.392833] RSP: 002b:00007ffc4045f468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.400515] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442f09 [ 66.407760] RDX: 0000000020000480 RSI: 0000000020000180 RDI: 0000000020000100 [ 66.415006] RBP: 00007ffc4045fd10 R08: 0000000000000000 R09: 0000000000000000 [ 66.422257] R10: 0000000000200000 R11: 0000000000000246 R12: ffffffffffffffff [ 66.429501] R13: 0000000000000006 R14: 0000000000000000 R15: 00007ffc4045f5a8 [ 66.442694] ------------[ cut here ]------------ [ 66.447229] ------------[ cut here ]------------ [ 66.447523] refcount_t: increment on 0; use-after-free. [ 66.452229] refcount_t: underflow; use-after-free. [ 66.452348] WARNING: CPU: 1 PID: 4370 at lib/refcount.c:187 refcount_sub_and_test+0x167/0x1b0 [ 66.457694] WARNING: CPU: 0 PID: 4371 at lib/refcount.c:153 refcount_inc+0x47/0x50 [ 66.462484] Kernel panic - not syncing: panic_on_warn set ... [ 66.462484] [ 66.462493] CPU: 1 PID: 4370 Comm: syzkaller542467 Not tainted 4.16.0-rc6+ #43 [ 66.462496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.462499] Call Trace: [ 66.462510] dump_stack+0x194/0x24d [ 66.462518] ? arch_local_irq_restore+0x53/0x53 [ 66.462526] ? vsnprintf+0x1ed/0x1900 [ 66.462536] panic+0x1e4/0x41c [ 66.462542] ? refcount_error_report+0x214/0x214 [ 66.462549] ? show_regs_print_info+0x18/0x18 [ 66.462558] ? __warn+0x1c1/0x200 [ 66.462568] ? refcount_sub_and_test+0x167/0x1b0 [ 66.462582] __warn+0x1dc/0x200 [ 66.462588] ? refcount_sub_and_test+0x167/0x1b0 [ 66.462594] report_bug+0x1f4/0x2b0 [ 66.462604] fixup_bug.part.10+0x37/0x80 [ 66.462611] do_error_trap+0x2d7/0x3e0 [ 66.462618] ? vprintk_default+0x28/0x30 [ 66.462625] ? math_error+0x400/0x400 [ 66.462634] ? printk+0xaa/0xca [ 66.471273] Modules linked in: [ 66.478961] ? show_regs_print_info+0x18/0x18 [ 66.486290] CPU: 0 PID: 4371 Comm: syzkaller542467 Not tainted 4.16.0-rc6+ #43 [ 66.493625] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.502937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.502947] RIP: 0010:refcount_inc+0x47/0x50 [ 66.505500] do_invalid_op+0x1b/0x20 [ 66.509115] RSP: 0018:ffff8801b97c7860 EFLAGS: 00010286 [ 66.513767] invalid_op+0x1b/0x40 [ 66.517532] RAX: dffffc0000000008 RBX: ffff8801b91301c4 RCX: ffffffff815b423e [ 66.517538] RDX: 0000000000000000 RSI: 1ffff100372f8ebc RDI: 1ffff100372f8e91 [ 66.520703] RIP: 0010:refcount_sub_and_test+0x167/0x1b0 [ 66.525420] RBP: ffff8801b97c7868 R08: 0000000000000000 R09: 0000000000000000 [ 66.525426] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801b97c7af8 [ 66.529900] RSP: 0018:ffff8801b9fdf728 EFLAGS: 00010286 [ 66.533330] R13: ffff8801bbac3513 R14: ffff8801b91301c0 R15: ffff8801bbac3501 [ 66.538054] RAX: dffffc0000000008 RBX: 0000000000000000 RCX: ffffffff815b423e [ 66.541309] FS: 00000000016f7880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 [ 66.546035] RDX: 0000000000000000 RSI: 1ffff100373fbe95 RDI: 0000000000000293 [ 66.549630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.553655] RBP: ffff8801b9fdf7b8 R08: 0000000000000000 R09: 0000000000000000 [ 66.553661] R10: ffff8801b9fdf850 R11: 0000000000000000 R12: 1ffff100373fbee6 [ 66.557517] CR2: 00000000006dc0b0 CR3: 00000001b1b68006 CR4: 00000000001606f0 [ 66.557524] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.561552] R13: 00000000ffffffff R14: 0000000000000001 R15: ffff8801b9602084 [ 66.565332] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.565336] Call Trace: [ 66.568593] ? vprintk_func+0x5e/0xc0 [ 66.571763] sk_alloc+0x3f9/0x1440 [ 66.576226] ? refcount_sub_and_test+0x167/0x1b0 [ 66.583555] ? sock_def_error_report+0x5e0/0x5e0 [ 66.588368] ? refcount_inc+0x50/0x50 [ 66.597702] ? __raw_spin_lock_init+0x2d/0x100 [ 66.597712] ? trace_hardirqs_off+0x10/0x10 [ 66.602091] ? task_active_pid_ns+0xd0/0xd0 [ 66.605774] ? do_raw_write_unlock+0x290/0x290 [ 66.611106] ? trace_hardirqs_off+0x10/0x10 [ 66.614531] ? trace_hardirqs_off+0x10/0x10 [ 66.621775] ? tcp_fastopen_active_disable_ofo_check+0x532/0x870 [ 66.629012] ? __raw_spin_lock_init+0x1c/0x100 [ 66.629021] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 66.634356] refcount_dec_and_test+0x1a/0x20 [ 66.641598] ? find_held_lock+0x35/0x1d0 [ 66.648840] __sk_destruct+0x560/0x920 [ 66.654172] ? inet_create+0x3fc/0xf50 [ 66.661413] ? sk_wait_data+0x610/0x610 [ 66.668655] ? lock_downgrade+0x980/0x980 [ 66.676860] ? lock_downgrade+0x980/0x980 [ 66.684101] ? lock_release+0xa40/0xa40 [ 66.689958] ? lock_release+0xa40/0xa40 [ 66.697201] ? lock_downgrade+0x980/0x980 [ 66.704446] ? __lock_is_held+0xb6/0x140 [ 66.711693] inet_create+0x47c/0xf50 [ 66.718936] ? netlink_has_listeners+0x2a0/0x430 [ 66.726174] ? ipip_gro_receive+0xf0/0xf0 [ 66.733415] ? refcount_sub_and_test+0x115/0x1b0 [ 66.735967] ? __lock_is_held+0xb6/0x140 [ 66.739736] ? netlink_insert+0x350/0x350 [ 66.743266] __sock_create+0x4d4/0x850 [ 66.747984] ? refcount_inc+0x50/0x50 [ 66.752712] ? kernel_sock_ip_overhead+0x4c0/0x4c0 [ 66.756478] ? refcount_inc+0x50/0x50 [ 66.761032] ? user_path_create+0x40/0x40 [ 66.765321] sk_destruct+0x47/0x80 [ 66.769615] SyS_socket+0xeb/0x1d0 [ 66.774166] __sk_free+0xf1/0x2b0 [ 66.778460] ? move_addr_to_kernel+0x60/0x60 [ 66.782751] sk_free+0x2a/0x40 [ 66.788865] ? do_syscall_64+0xb7/0x940 [ 66.793416] tcp_close+0x967/0x1190 [ 66.798402] ? move_addr_to_kernel+0x60/0x60 [ 66.802785] ? tcp_check_oom+0x500/0x500 [ 66.806813] do_syscall_64+0x281/0x940 [ 66.810671] ? ip_mc_drop_socket+0x1ce/0x230 [ 66.814531] ? vmalloc_sync_all+0x30/0x30 [ 66.818479] inet_release+0xed/0x1c0 [ 66.822598] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.826713] sock_release+0x8d/0x1e0 [ 66.830658] ? syscall_return_slowpath+0x550/0x550 [ 66.834603] ? sock_alloc_file+0x560/0x560 [ 66.838722] ? syscall_return_slowpath+0x2ac/0x550 [ 66.842753] sock_close+0x16/0x20 [ 66.846441] ? prepare_exit_to_usermode+0x350/0x350 [ 66.851167] __fput+0x327/0x7e0 [ 66.855286] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 66.860013] ? fput+0x140/0x140 [ 66.864047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 66.868161] ? _raw_spin_unlock_irq+0x27/0x70 [ 66.872019] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 66.875788] ____fput+0x15/0x20 [ 66.880685] RIP: 0033:0x445987 [ 66.884455] task_work_run+0x199/0x270 [ 66.888571] RSP: 002b:00007ffc4045f468 EFLAGS: 00000206 [ 66.892082] ? task_work_cancel+0x210/0x210 [ 66.895585] ORIG_RAX: 0000000000000029 [ 66.899014] ? __close_fd+0x222/0x360 [ 66.903383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445987 [ 66.903388] RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 [ 66.906560] ? exit_to_usermode_loop+0x8c/0x2f0 [ 66.910499] RBP: 00007ffc4045f580 R08: 0000000000000000 R09: 0000000000000001 [ 66.914100] exit_to_usermode_loop+0x275/0x2f0 [ 66.918469] R10: 000000000000000a R11: 0000000000000206 R12: 0000000000000002 [ 66.918475] R13: 0000000000000002 R14: 000000000000fa49 R15: 00007ffc4045f5a8 [ 66.922508] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 66.926369] Code: [ 66.930746] ? do_syscall_64+0xb7/0x940 [ 66.934860] 5e [ 66.938554] do_syscall_64+0x6ec/0x940 [ 66.943361] fe [ 66.947051] ? vmalloc_sync_all+0x30/0x30 [ 66.951945] 5b [ 66.956152] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.961046] 5d [ 66.964474] ? syscall_return_slowpath+0x550/0x550 [ 66.969453] c3 [ 66.972704] ? syscall_return_slowpath+0x2ac/0x550 [ 66.978034] e8 [ 66.981298] ? prepare_exit_to_usermode+0x350/0x350 [ 66.986106] 0a [ 66.990575] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 66.995730] 28 [ 66.998984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.002139] 5e [ 67.006002] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 67.011325] fe [ 67.015630] RIP: 0033:0x402c30 [ 67.019572] 80 [ 67.023340] RSP: 002b:00007ffc4045f468 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 67.030586] 3d [ 67.037828] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000402c30 [ 67.037834] RDX: 00000000000000e0 RSI: 00007ffc4045fd40 RDI: 0000000000000003 [ 67.042471] 6c [ 67.049715] RBP: 00007ffc4045f580 R08: 00007ffc4045f48c R09: 0000000000000001 [ 67.049721] R10: 00007ffc4045f580 R11: 0000000000000246 R12: 00000000006d04e0 [ 67.054270] 44 [ 67.061513] R13: 00000000006cfe60 R14: 0000000000001380 R15: 00007ffc4045f5a8 [ 67.068753] d6 05 00 75 ea e8 fc 27 5e fe 48 c7 c7 40 a7 75 87 c6 05 57 44 d6 05 01 e8 49 35 2e fe <0f> 0b eb ce 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 [ 67.211125] ---[ end trace 8191722dd821f7f7 ]--- [ 67.216306] Dumping ftrace buffer: [ 67.219979] (ftrace buffer empty) [ 67.223665] Kernel Offset: disabled [ 67.227271] Rebooting in 86400 seconds..