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. executing program syzkaller login: [ 29.647704] FAULT_INJECTION: forcing a failure. [ 29.647704] name failslab, interval 1, probability 0, space 0, times 1 [ 29.658993] CPU: 0 PID: 4466 Comm: syzkaller446011 Not tainted 4.16.0+ #19 [ 29.665992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.675326] Call Trace: [ 29.677899] dump_stack+0x1b9/0x294 [ 29.681511] ? dump_stack_print_info.cold.2+0x52/0x52 [ 29.686696] should_fail.cold.4+0xa/0x1a [ 29.690747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 29.695829] ? perf_tp_event+0xc30/0xc30 [ 29.699880] ? graph_lock+0x170/0x170 [ 29.703660] ? memset+0x31/0x40 [ 29.706928] ? perf_trace_lock+0x495/0x900 [ 29.711154] ? find_held_lock+0x36/0x1c0 [ 29.715210] ? lock_downgrade+0x8e0/0x8e0 [ 29.719350] __should_failslab+0x124/0x180 [ 29.723570] should_failslab+0x9/0x14 [ 29.727352] kmem_cache_alloc_trace+0x4b/0x780 [ 29.731921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 29.737440] ? tipc_service_find+0x463/0x630 [ 29.741832] tipc_service_create+0xaf/0x470 [ 29.746133] ? lock_release+0xa10/0xa10 [ 29.750089] ? __tipc_nl_add_monitor.cold.12+0x20/0x20 [ 29.755351] ? rcu_is_watching+0x85/0x140 [ 29.759483] ? kasan_check_write+0x14/0x20 [ 29.763700] ? do_raw_spin_lock+0xc1/0x200 [ 29.767923] tipc_nametbl_subscribe+0xf1b/0x11d0 [ 29.772662] ? zap_class+0x720/0x720 [ 29.776363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.781887] ? tipc_nametbl_withdraw+0xda0/0xda0 [ 29.786626] ? __lock_is_held+0xb5/0x140 [ 29.790673] ? mark_held_locks+0xc9/0x160 [ 29.794805] ? __raw_spin_lock_init+0x1c/0x100 [ 29.799369] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.804366] ? __lockdep_init_map+0x105/0x590 [ 29.808847] ? lockdep_init_map+0x9/0x10 [ 29.812893] tipc_sub_subscribe+0x471/0x6b0 [ 29.817198] ? tipc_sub_get+0x20/0x20 [ 29.820993] ? rcu_is_watching+0x85/0x140 [ 29.825139] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 29.830327] tipc_conn_rcv_sub.isra.5+0x42c/0x7e0 [ 29.835156] ? tipc_topsrv_accept+0x370/0x370 [ 29.839637] ? rcu_is_watching+0x85/0x140 [ 29.843766] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 29.848947] tipc_topsrv_kern_subscr+0x72b/0xad0 [ 29.853687] ? tipc_topsrv_queue_evt+0x7d0/0x7d0 [ 29.858425] ? lock_downgrade+0x8e0/0x8e0 [ 29.862557] ? memset+0x31/0x40 [ 29.865824] ? tipc_bcast_stop+0x3d0/0x3d0 [ 29.870050] tipc_group_create+0x72e/0xa50 [ 29.874270] ? tipc_group_size+0x50/0x50 [ 29.878317] ? mark_held_locks+0xc9/0x160 [ 29.882449] ? __local_bh_enable_ip+0x161/0x230 [ 29.887104] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.892104] ? lock_sock_nested+0x9f/0x120 [ 29.896328] ? __local_bh_enable_ip+0x161/0x230 [ 29.900981] ? lock_sock_nested+0xe7/0x120 [ 29.905202] tipc_setsockopt+0x2c9/0xd70 [ 29.909249] ? rcvbuf_limit+0x2c0/0x2c0 [ 29.913218] ? security_socket_setsockopt+0x94/0xc0 [ 29.918219] __sys_setsockopt+0x1bd/0x390 [ 29.922351] ? kernel_accept+0x310/0x310 [ 29.926399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 29.931920] ? ksys_write+0x1a6/0x250 [ 29.935799] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 29.940627] SyS_setsockopt+0x34/0x50 [ 29.944419] ? SyS_recv+0x40/0x40 [ 29.947858] do_syscall_64+0x29e/0x9d0 [ 29.951737] ? vmalloc_sync_all+0x30/0x30 [ 29.955870] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 29.960703] ? syscall_return_slowpath+0x5c0/0x5c0 [ 29.965615] ? syscall_return_slowpath+0x30f/0x5c0 [ 29.970533] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 29.975883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.980714] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 29.985881] RIP: 0033:0x440539 [ 29.989059] RSP: 002b:00007fff7867ba98 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 29.996769] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440539 [ 30.004017] RDX: 0000000000000087 RSI: 000000000000010f RDI: 0000000000000004 [ 30.011266] RBP: 00000000006cb018 R08: 0000000000000010 R09: 00007fff78670034 [ 30.018514] R10: 0000000020b89fe4 R11: 0000000000000246 R12: 0000000000000005 [ 30.025764] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 [ 30.033357] Service creation failed, no memory [ 30.037969] Failed to subscribe for {1906,0,4294967295} [ 30.047653] ================================================================== [ 30.055125] BUG: KASAN: use-after-free in tipc_sub_unsubscribe+0x22d/0x305 [ 30.062137] Read of size 4 at addr ffff8801b78718d8 by task syzkaller446011/4466 [ 30.069646] [ 30.071257] CPU: 1 PID: 4466 Comm: syzkaller446011 Not tainted 4.16.0+ #19 [ 30.078246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.087593] Call Trace: [ 30.090168] dump_stack+0x1b9/0x294 [ 30.093779] ? dump_stack_print_info.cold.2+0x52/0x52 [ 30.098948] ? printk+0x9e/0xba [ 30.102216] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 30.106959] ? kasan_check_write+0x14/0x20 [ 30.111182] print_address_description+0x6c/0x20b [ 30.116012] ? tipc_sub_unsubscribe+0x22d/0x305 [ 30.120673] kasan_report.cold.7+0xac/0x2f5 [ 30.124983] __asan_report_load4_noabort+0x14/0x20 [ 30.129904] tipc_sub_unsubscribe+0x22d/0x305 [ 30.134382] ? rcu_is_watching+0x85/0x140 [ 30.138511] ? tipc_sub_subscribe+0x6b0/0x6b0 [ 30.142987] ? kasan_check_write+0x14/0x20 [ 30.147222] ? do_raw_spin_lock+0xc1/0x200 [ 30.151451] tipc_conn_delete_sub+0x32d/0x530 [ 30.155931] ? tipc_topsrv_listener_data_ready+0xe0/0xe0 [ 30.161361] ? trace_hardirqs_on+0xd/0x10 [ 30.165492] ? __local_bh_enable_ip+0x161/0x230 [ 30.170148] ? _raw_spin_unlock_bh+0x30/0x40 [ 30.174540] tipc_topsrv_kern_unsubscr+0x280/0x3f0 [ 30.179456] ? tipc_topsrv_kern_subscr+0xad0/0xad0 [ 30.184369] ? tipc_node_distr_xmit+0x21c/0x2c0 [ 30.189031] ? tipc_node_add_conn+0x7b0/0x7b0 [ 30.193522] tipc_group_delete+0x2dd/0x3f0 [ 30.197743] ? tipc_group_create+0xa50/0xa50 [ 30.202137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.207657] ? __tipc_shutdown+0x815/0xce0 [ 30.211881] ? tipc_sk_respond+0x610/0x610 [ 30.216108] tipc_sk_leave+0x10e/0x210 [ 30.219980] ? tipc_sk_withdraw+0x680/0x680 [ 30.224285] ? __local_bh_enable_ip+0x161/0x230 [ 30.228937] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.233934] ? lock_sock_nested+0x9f/0x120 [ 30.238161] ? __local_bh_enable_ip+0x161/0x230 [ 30.242822] ? lock_sock_nested+0xe7/0x120 [ 30.247046] tipc_release+0x146/0x1290 [ 30.250927] ? lock_downgrade+0x8e0/0x8e0 [ 30.255058] ? tipc_sk_lookup+0xf70/0xf70 [ 30.259192] ? rcu_is_watching+0x85/0x140 [ 30.263322] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 30.268497] ? kasan_check_read+0x11/0x20 [ 30.272626] ? do_raw_spin_unlock+0x9e/0x2e0 [ 30.277031] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 30.282561] ? locks_remove_file+0x3f7/0x5a0 [ 30.286952] ? fcntl_setlk+0x1020/0x1020 [ 30.290993] ? fsnotify+0x415/0x1100 [ 30.294710] ? fsnotify_first_mark+0x330/0x330 [ 30.299279] sock_release+0x96/0x1b0 [ 30.302977] ? sock_alloc_file+0x4e0/0x4e0 [ 30.307196] sock_close+0x16/0x20 [ 30.310812] __fput+0x34d/0x890 [ 30.314079] ? fput+0x1a0/0x1a0 [ 30.317343] ? check_same_owner+0x320/0x320 [ 30.321646] ? _raw_spin_unlock_irq+0x27/0x70 [ 30.326126] ____fput+0x15/0x20 [ 30.329389] task_work_run+0x1e4/0x290 [ 30.333262] ? task_work_cancel+0x240/0x240 [ 30.337569] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 30.343100] ? switch_task_namespaces+0xa2/0xd0 [ 30.347755] do_exit+0x1aee/0x2730 [ 30.351694] ? mm_update_next_owner+0x980/0x980 [ 30.356351] ? lock_downgrade+0x8e0/0x8e0 [ 30.360484] ? finish_task_switch+0x182/0x820 [ 30.364965] ? kasan_check_read+0x11/0x20 [ 30.369096] ? do_raw_spin_unlock+0x9e/0x2e0 [ 30.373488] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 30.378066] ? compat_start_thread+0x80/0x80 [ 30.382465] ? _raw_spin_unlock_irq+0x27/0x70 [ 30.386944] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.391955] ? kasan_check_write+0x14/0x20 [ 30.396172] ? finish_task_switch+0x28b/0x820 [ 30.400673] ? __schedule+0x80f/0x1e40 [ 30.404552] ? __sched_text_start+0x8/0x8 [ 30.408683] ? release_sock+0x1e2/0x2b0 [ 30.412640] ? trace_hardirqs_on+0xd/0x10 [ 30.416769] ? __local_bh_enable_ip+0x161/0x230 [ 30.421431] ? _raw_spin_unlock_bh+0x30/0x40 [ 30.425821] ? release_sock+0x1e2/0x2b0 [ 30.429787] ? __release_sock+0x3a0/0x3a0 [ 30.433919] ? tipc_nametbl_build_group+0x279/0x360 [ 30.438920] ? tipc_setsockopt+0x717/0xd70 [ 30.443144] ? schedule+0xef/0x430 [ 30.446669] ? __schedule+0x1e40/0x1e40 [ 30.450628] ? retint_kernel+0x10/0x10 [ 30.454507] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.459692] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.464440] do_group_exit+0x16f/0x430 [ 30.468310] ? SyS_exit+0x30/0x30 [ 30.471756] ? SyS_exit_group+0x10/0x20 [ 30.475715] ? do_group_exit+0x430/0x430 [ 30.479760] SyS_exit_group+0x1d/0x20 [ 30.483546] do_syscall_64+0x29e/0x9d0 [ 30.487416] ? vmalloc_sync_all+0x30/0x30 [ 30.491555] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 30.496380] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.501292] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.506209] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 30.511558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.516389] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 30.521563] RIP: 0033:0x43f1f8 [ 30.524732] RSP: 002b:00007fff7867bac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.532423] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f1f8 [ 30.539675] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 30.546924] RBP: 00000000004bf2e8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 30.554174] R10: 0000000020b89fe4 R11: 0000000000000246 R12: 0000000000000001 [ 30.561429] R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 [ 30.568693] [ 30.570301] Allocated by task 4466: [ 30.573911] save_stack+0x43/0xd0 [ 30.577344] kasan_kmalloc+0xc4/0xe0 [ 30.581046] kmem_cache_alloc_trace+0x152/0x780 [ 30.585708] tipc_sub_subscribe+0x25a/0x6b0 [ 30.590014] tipc_conn_rcv_sub.isra.5+0x42c/0x7e0 [ 30.594850] tipc_topsrv_kern_subscr+0x72b/0xad0 [ 30.599588] tipc_group_create+0x72e/0xa50 [ 30.603802] tipc_setsockopt+0x2c9/0xd70 [ 30.607844] __sys_setsockopt+0x1bd/0x390 [ 30.611970] SyS_setsockopt+0x34/0x50 [ 30.615751] do_syscall_64+0x29e/0x9d0 [ 30.619622] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 30.624791] [ 30.626406] Freed by task 4466: [ 30.629665] save_stack+0x43/0xd0 [ 30.633099] __kasan_slab_free+0x11a/0x170 [ 30.637312] kasan_slab_free+0xe/0x10 [ 30.641098] kfree+0xd9/0x260 [ 30.644183] tipc_sub_put+0x33/0x40 [ 30.647789] tipc_nametbl_unsubscribe+0x52c/0xaf0 [ 30.652612] tipc_sub_unsubscribe+0x6d/0x305 [ 30.657005] tipc_conn_delete_sub+0x32d/0x530 [ 30.661490] tipc_topsrv_kern_unsubscr+0x280/0x3f0 [ 30.666402] tipc_group_delete+0x2dd/0x3f0 [ 30.670619] tipc_sk_leave+0x10e/0x210 [ 30.674494] tipc_release+0x146/0x1290 [ 30.678367] sock_release+0x96/0x1b0 [ 30.682063] sock_close+0x16/0x20 [ 30.685500] __fput+0x34d/0x890 [ 30.688762] ____fput+0x15/0x20 [ 30.692032] task_work_run+0x1e4/0x290 [ 30.695911] do_exit+0x1aee/0x2730 [ 30.699438] do_group_exit+0x16f/0x430 [ 30.703306] SyS_exit_group+0x1d/0x20 [ 30.707091] do_syscall_64+0x29e/0x9d0 [ 30.710964] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 30.716132] [ 30.717740] The buggy address belongs to the object at ffff8801b7871840 [ 30.717740] which belongs to the cache kmalloc-256 of size 256 [ 30.730383] The buggy address is located 152 bytes inside of [ 30.730383] 256-byte region [ffff8801b7871840, ffff8801b7871940) [ 30.742232] The buggy address belongs to the page: [ 30.747140] page:ffffea0006de1c40 count:1 mapcount:0 mapping:ffff8801b78710c0 index:0x0 [ 30.755263] flags: 0x2fffc0000000100(slab) [ 30.759481] raw: 02fffc0000000100 ffff8801b78710c0 0000000000000000 000000010000000c [ 30.767350] raw: ffffea00071ce1a0 ffffea0006db8fa0 ffff8801dac007c0 0000000000000000 [ 30.775207] page dumped because: kasan: bad access detected [ 30.780892] [ 30.782502] Memory state around the buggy address: [ 30.787409] ffff8801b7871780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.794746] ffff8801b7871800: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 30.802085] >ffff8801b7871880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.809418] ^ [ 30.815628] ffff8801b7871900: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 30.822970] ffff8801b7871980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.830306] ================================================================== [ 30.837639] Disabling lock debugging due to kernel taint [ 30.843108] Kernel panic - not syncing: panic_on_warn set ... [ 30.843108] [ 30.850474] CPU: 1 PID: 4466 Comm: syzkaller446011 Tainted: G B 4.16.0+ #19 [ 30.858781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.868114] Call Trace: [ 30.870684] dump_stack+0x1b9/0x294 [ 30.874292] ? dump_stack_print_info.cold.2+0x52/0x52 [ 30.879464] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.884207] ? tipc_sub_unsubscribe+0x1c0/0x305 [ 30.888853] panic+0x22f/0x4de [ 30.892033] ? add_taint.cold.5+0x16/0x16 [ 30.896166] ? do_raw_spin_unlock+0x9e/0x2e0 [ 30.900555] ? do_raw_spin_unlock+0x9e/0x2e0 [ 30.904945] ? tipc_sub_unsubscribe+0x22d/0x305 [ 30.909593] kasan_end_report+0x47/0x4f [ 30.913549] kasan_report.cold.7+0xc9/0x2f5 [ 30.917856] __asan_report_load4_noabort+0x14/0x20 [ 30.922768] tipc_sub_unsubscribe+0x22d/0x305 [ 30.927246] ? rcu_is_watching+0x85/0x140 [ 30.931375] ? tipc_sub_subscribe+0x6b0/0x6b0 [ 30.935848] ? kasan_check_write+0x14/0x20 [ 30.940069] ? do_raw_spin_lock+0xc1/0x200 [ 30.944288] tipc_conn_delete_sub+0x32d/0x530 [ 30.948763] ? tipc_topsrv_listener_data_ready+0xe0/0xe0 [ 30.954192] ? trace_hardirqs_on+0xd/0x10 [ 30.958321] ? __local_bh_enable_ip+0x161/0x230 [ 30.962971] ? _raw_spin_unlock_bh+0x30/0x40 [ 30.967372] tipc_topsrv_kern_unsubscr+0x280/0x3f0 [ 30.972280] ? tipc_topsrv_kern_subscr+0xad0/0xad0 [ 30.977191] ? tipc_node_distr_xmit+0x21c/0x2c0 [ 30.981839] ? tipc_node_add_conn+0x7b0/0x7b0 [ 30.986325] tipc_group_delete+0x2dd/0x3f0 [ 30.990542] ? tipc_group_create+0xa50/0xa50 [ 30.994933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 31.000447] ? __tipc_shutdown+0x815/0xce0 [ 31.004665] ? tipc_sk_respond+0x610/0x610 [ 31.008886] tipc_sk_leave+0x10e/0x210 [ 31.012841] ? tipc_sk_withdraw+0x680/0x680 [ 31.017142] ? __local_bh_enable_ip+0x161/0x230 [ 31.021792] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.026799] ? lock_sock_nested+0x9f/0x120 [ 31.031021] ? __local_bh_enable_ip+0x161/0x230 [ 31.035680] ? lock_sock_nested+0xe7/0x120 [ 31.039895] tipc_release+0x146/0x1290 [ 31.043774] ? lock_downgrade+0x8e0/0x8e0 [ 31.047901] ? tipc_sk_lookup+0xf70/0xf70 [ 31.052046] ? rcu_is_watching+0x85/0x140 [ 31.056177] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 31.061350] ? kasan_check_read+0x11/0x20 [ 31.065492] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.069885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 31.075402] ? locks_remove_file+0x3f7/0x5a0 [ 31.079792] ? fcntl_setlk+0x1020/0x1020 [ 31.083830] ? fsnotify+0x415/0x1100 [ 31.087529] ? fsnotify_first_mark+0x330/0x330 [ 31.092096] sock_release+0x96/0x1b0 [ 31.095790] ? sock_alloc_file+0x4e0/0x4e0 [ 31.100008] sock_close+0x16/0x20 [ 31.103449] __fput+0x34d/0x890 [ 31.106710] ? fput+0x1a0/0x1a0 [ 31.109970] ? check_same_owner+0x320/0x320 [ 31.114286] ? _raw_spin_unlock_irq+0x27/0x70 [ 31.118763] ____fput+0x15/0x20 [ 31.122033] task_work_run+0x1e4/0x290 [ 31.125903] ? task_work_cancel+0x240/0x240 [ 31.130210] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 31.135726] ? switch_task_namespaces+0xa2/0xd0 [ 31.140377] do_exit+0x1aee/0x2730 [ 31.143901] ? mm_update_next_owner+0x980/0x980 [ 31.148554] ? lock_downgrade+0x8e0/0x8e0 [ 31.152681] ? finish_task_switch+0x182/0x820 [ 31.157157] ? kasan_check_read+0x11/0x20 [ 31.161287] ? do_raw_spin_unlock+0x9e/0x2e0 [ 31.165676] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 31.170239] ? compat_start_thread+0x80/0x80 [ 31.174633] ? _raw_spin_unlock_irq+0x27/0x70 [ 31.179112] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.184110] ? kasan_check_write+0x14/0x20 [ 31.188323] ? finish_task_switch+0x28b/0x820 [ 31.192814] ? __schedule+0x80f/0x1e40 [ 31.196692] ? __sched_text_start+0x8/0x8 [ 31.200821] ? release_sock+0x1e2/0x2b0 [ 31.204774] ? trace_hardirqs_on+0xd/0x10 [ 31.208902] ? __local_bh_enable_ip+0x161/0x230 [ 31.213549] ? _raw_spin_unlock_bh+0x30/0x40 [ 31.217935] ? release_sock+0x1e2/0x2b0 [ 31.221891] ? __release_sock+0x3a0/0x3a0 [ 31.226031] ? tipc_nametbl_build_group+0x279/0x360 [ 31.231049] ? tipc_setsockopt+0x717/0xd70 [ 31.235270] ? schedule+0xef/0x430 [ 31.238790] ? __schedule+0x1e40/0x1e40 [ 31.242744] ? retint_kernel+0x10/0x10 [ 31.246612] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.251609] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.256349] do_group_exit+0x16f/0x430 [ 31.260217] ? SyS_exit+0x30/0x30 [ 31.263650] ? SyS_exit_group+0x10/0x20 [ 31.267605] ? do_group_exit+0x430/0x430 [ 31.271645] SyS_exit_group+0x1d/0x20 [ 31.275425] do_syscall_64+0x29e/0x9d0 [ 31.279290] ? vmalloc_sync_all+0x30/0x30 [ 31.283416] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 31.288238] ? syscall_return_slowpath+0x5c0/0x5c0 [ 31.293149] ? syscall_return_slowpath+0x30f/0x5c0 [ 31.298067] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 31.303411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.308235] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 31.313402] RIP: 0033:0x43f1f8 [ 31.316568] RSP: 002b:00007fff7867bac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.324255] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f1f8 [ 31.331503] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 31.338751] RBP: 00000000004bf2e8 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 31.345997] R10: 0000000020b89fe4 R11: 0000000000000246 R12: 0000000000000001 [ 31.353251] R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 [ 31.360967] Dumping ftrace buffer: [ 31.364487] (ftrace buffer empty) [ 31.368174] Kernel Offset: disabled [ 31.371787] Rebooting in 86400 seconds..