[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 17.041415] audit: type=1400 audit(1518816791.346:6): avc: denied { map } for pid=4075 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 23.367746] audit: type=1400 audit(1518816797.672:7): avc: denied { map } for pid=4089 comm="syzkaller079502" path="/root/syzkaller079502123" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 23.375407] IPVS: ftp: loaded support on port[0] = 21 executing program [ 23.422504] IPVS: ftp: loaded support on port[0] = 21 [ 23.551278] BUG: sleeping function called from invalid context at net/core/sock.c:2769 [ 23.559430] in_atomic(): 1, irqs_disabled(): 0, pid: 85, name: kworker/u4:3 [ 23.566542] 5 locks held by kworker/u4:3/85: [ 23.570951] #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000c9792deb>] process_one_work+0xaaf/0x1af0 [ 23.580950] #1: (net_cleanup_work){+.+.}, at: [<00000000adc12e2a>] process_one_work+0xb01/0x1af0 [ 23.590087] #2: (net_sem){++++}, at: [<000000009ccb5669>] cleanup_net+0x23f/0xd20 [ 23.597927] #3: (net_mutex){+.+.}, at: [<00000000a92767d9>] cleanup_net+0xa7d/0xd20 [ 23.605930] #4: (&(&srv->idr_lock)->rlock){+...}, at: [<000000001343e568>] tipc_topsrv_stop+0x231/0x610 [ 23.615685] CPU: 0 PID: 85 Comm: kworker/u4:3 Not tainted 4.16.0-rc1+ #230 [ 23.622683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.632027] Workqueue: netns cleanup_net [ 23.636062] Call Trace: [ 23.638631] dump_stack+0x194/0x257 [ 23.642235] ? arch_local_irq_restore+0x53/0x53 [ 23.646890] ? print_lock+0x9f/0xa2 [ 23.650513] ? lockdep_print_held_locks+0xc4/0x130 [ 23.655424] ___might_sleep+0x2b2/0x470 [ 23.659375] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 23.665246] ? find_held_lock+0x35/0x1d0 [ 23.669291] __might_sleep+0x95/0x190 [ 23.673070] ? lock_downgrade+0x980/0x980 [ 23.677203] lock_sock_nested+0x37/0x110 [ 23.681242] tipc_release+0x103/0xff0 [ 23.685028] ? check_noncircular+0x20/0x20 [ 23.689248] ? tipc_sk_backlog_rcv+0x390/0x390 [ 23.693808] ? _raw_spin_unlock+0x22/0x30 [ 23.697938] ? lock_acquire+0x1d5/0x580 [ 23.701886] ? lock_acquire+0x1d5/0x580 [ 23.705837] ? tipc_topsrv_stop+0x231/0x610 [ 23.710144] ? tipc_topsrv_stop+0x1a3/0x610 [ 23.715745] ? lock_release+0xa40/0xa40 [ 23.719694] ? trace_event_raw_event_module_request+0x320/0x320 [ 23.725740] sock_release+0x8d/0x1e0 [ 23.729440] tipc_topsrv_stop+0x3c0/0x610 [ 23.733563] ? kfree+0xf3/0x260 [ 23.736830] ? tipc_topsrv_start+0x1010/0x1010 [ 23.741390] ? trace_hardirqs_on+0xd/0x10 [ 23.745513] ? tipc_nl_media_set+0x570/0x570 [ 23.749899] tipc_exit_net+0x15/0x40 [ 23.753590] ops_exit_list.isra.6+0xae/0x150 [ 23.757991] cleanup_net+0x6ba/0xd20 [ 23.761686] ? find_held_lock+0x35/0x1d0 [ 23.765728] ? unregister_pernet_device+0x70/0x70 [ 23.770546] ? debug_object_deactivate+0x364/0x560 [ 23.775459] ? lock_release+0xa40/0xa40 [ 23.779419] ? check_noncircular+0x20/0x20 [ 23.783636] ? lock_acquire+0x1d5/0x580 [ 23.787589] ? process_one_work+0xb01/0x1af0 [ 23.792002] ? __lock_is_held+0xb6/0x140 [ 23.796048] process_one_work+0xbbf/0x1af0 [ 23.800269] ? pwq_dec_nr_in_flight+0x450/0x450 [ 23.804925] ? __schedule+0x8ea/0x2040 [ 23.808796] ? __lock_acquire+0x664/0x3e00 [ 23.813017] ? check_noncircular+0x20/0x20 [ 23.817250] ? check_noncircular+0x20/0x20 [ 23.821468] ? lock_acquire+0x1d5/0x580 [ 23.825426] ? lock_acquire+0x1d5/0x580 [ 23.829378] ? worker_thread+0x4a3/0x1990 [ 23.833515] ? lock_downgrade+0x980/0x980 [ 23.837642] ? lock_release+0xa40/0xa40 [ 23.841596] ? pr_cont_work+0x130/0x130 [ 23.845545] ? do_raw_spin_trylock+0x190/0x190 [ 23.850129] worker_thread+0x223/0x1990 [ 23.854078] ? lock_release+0xa40/0xa40 [ 23.858049] ? process_one_work+0x1af0/0x1af0 [ 23.862522] ? put_task_stack+0x116/0x270 [ 23.866650] ? finish_task_switch+0x5af/0x890 [ 23.871132] ? copy_overflow+0x20/0x20 [ 23.875012] ? __schedule+0x8ea/0x2040 [ 23.878891] ? check_noncircular+0x20/0x20 [ 23.883116] ? remove_entity_load_avg+0x1be/0x260 [ 23.887946] ? find_held_lock+0x35/0x1d0 [ 23.892012] ? find_held_lock+0x35/0x1d0 [ 23.896061] ? complete+0x62/0x80 [ 23.899502] ? __schedule+0x2040/0x2040 [ 23.903451] ? do_wait_intr_irq+0x3e0/0x3e0 [ 23.907746] ? __lockdep_init_map+0xe4/0x650 [ 23.912129] ? do_raw_spin_trylock+0x190/0x190 [ 23.916700] ? lockdep_init_map+0x9/0x10 [ 23.920741] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 23.925820] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 23.930821] ? trace_hardirqs_on+0xd/0x10 [ 23.934945] ? __kthread_parkme+0x175/0x240 [ 23.939244] kthread+0x33c/0x400 [ 23.942585] ? process_one_work+0x1af0/0x1af0 [ 23.947051] ? kthread_stop+0x7a0/0x7a0 [ 23.951002] ret_from_fork+0x3a/0x50 executing program [ 24.625546] IPVS: ftp: loaded support on port[0] = 21 [ 24.732621] BUG: sleeping function called from invalid context at net/core/sock.c:2769 [ 24.740730] in_atomic(): 1, irqs_disabled(): 0, pid: 85, name: kworker/u4:3 [ 24.747866] 5 locks held by kworker/u4:3/85: [ 24.752282] #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000c9792deb>] process_one_work+0xaaf/0x1af0 [ 24.762289] #1: (net_cleanup_work){+.+.}, at: [<00000000adc12e2a>] process_one_work+0xb01/0x1af0 [ 24.771415] #2: (net_sem){++++}, at: [<000000009ccb5669>] cleanup_net+0x23f/0xd20 [ 24.779238] #3: (net_mutex){+.+.}, at: [<00000000a92767d9>] cleanup_net+0xa7d/0xd20 [ 24.787232] #4: (&(&srv->idr_lock)->rlock){+...}, at: [<000000001343e568>] tipc_topsrv_stop+0x231/0x610 [ 24.796975] CPU: 0 PID: 85 Comm: kworker/u4:3 Tainted: G W 4.16.0-rc1+ #230 [ 24.805269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.814603] Workqueue: netns cleanup_net [ 24.818637] Call Trace: [ 24.821197] dump_stack+0x194/0x257 [ 24.824799] ? arch_local_irq_restore+0x53/0x53 [ 24.829447] ? print_lock+0x9f/0xa2 [ 24.833050] ? lockdep_print_held_locks+0xc4/0x130 [ 24.837961] ___might_sleep+0x2b2/0x470 [ 24.841907] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 24.847761] ? find_held_lock+0x35/0x1d0 [ 24.851801] __might_sleep+0x95/0x190 [ 24.855571] ? lock_downgrade+0x980/0x980 [ 24.859695] lock_sock_nested+0x37/0x110 [ 24.863729] tipc_release+0x103/0xff0 [ 24.867508] ? check_noncircular+0x20/0x20 [ 24.871723] ? tipc_sk_backlog_rcv+0x390/0x390 [ 24.876279] ? _raw_spin_unlock+0x22/0x30 [ 24.880409] ? inet_evict_bucket.isra.5+0x427/0x5f0 [ 24.885404] ? lock_acquire+0x1d5/0x580 [ 24.889351] ? lock_acquire+0x1d5/0x580 [ 24.893296] ? tipc_topsrv_stop+0x231/0x610 [ 24.897593] ? tipc_topsrv_stop+0x1a3/0x610 [ 24.901888] ? lock_release+0xa40/0xa40 [ 24.905835] ? trace_event_raw_event_module_request+0x320/0x320 [ 24.911884] sock_release+0x8d/0x1e0 [ 24.915569] tipc_topsrv_stop+0x3c0/0x610 [ 24.919688] ? kfree+0xf3/0x260 [ 24.922941] ? tipc_topsrv_start+0x1010/0x1010 [ 24.927497] ? trace_hardirqs_on+0xd/0x10 [ 24.931617] ? tipc_nl_media_set+0x570/0x570 [ 24.935999] tipc_exit_net+0x15/0x40 [ 24.939692] ops_exit_list.isra.6+0xae/0x150 [ 24.944075] cleanup_net+0x6ba/0xd20 [ 24.947759] ? find_held_lock+0x35/0x1d0 [ 24.951817] ? unregister_pernet_device+0x70/0x70 [ 24.956636] ? debug_object_deactivate+0x364/0x560 [ 24.961540] ? lock_downgrade+0x980/0x980 [ 24.965661] ? lock_release+0xa40/0xa40 [ 24.969609] ? find_held_lock+0x35/0x1d0 [ 24.973643] ? check_noncircular+0x20/0x20 [ 24.977851] ? lock_acquire+0x1d5/0x580 [ 24.981801] ? process_one_work+0xb01/0x1af0 [ 24.986189] ? __lock_is_held+0xb6/0x140 [ 24.990231] process_one_work+0xbbf/0x1af0 [ 24.994457] ? pwq_dec_nr_in_flight+0x450/0x450 [ 24.999109] ? __schedule+0x8ea/0x2040 [ 25.002974] ? __lock_acquire+0x664/0x3e00 [ 25.007188] ? check_noncircular+0x20/0x20 [ 25.011413] ? check_noncircular+0x20/0x20 [ 25.015640] ? lock_acquire+0x1d5/0x580 [ 25.019593] ? lock_acquire+0x1d5/0x580 [ 25.023541] ? worker_thread+0x4a3/0x1990 [ 25.027664] ? lock_downgrade+0x980/0x980 [ 25.031793] ? lock_release+0xa40/0xa40 [ 25.035739] ? pr_cont_work+0x130/0x130 [ 25.039688] ? do_raw_spin_trylock+0x190/0x190 [ 25.044252] worker_thread+0x223/0x1990 [ 25.048200] ? lock_release+0xa40/0xa40 [ 25.052161] ? process_one_work+0x1af0/0x1af0 [ 25.056632] ? put_task_stack+0x116/0x270 [ 25.060756] ? finish_task_switch+0x5af/0x890 [ 25.065225] ? copy_overflow+0x20/0x20 [ 25.069118] ? __schedule+0x8ea/0x2040 [ 25.072996] ? check_noncircular+0x20/0x20 [ 25.077207] ? remove_entity_load_avg+0x1be/0x260 [ 25.082037] ? find_held_lock+0x35/0x1d0 [ 25.086100] ? find_held_lock+0x35/0x1d0 [ 25.090158] ? complete+0x62/0x80 [ 25.093608] ? __schedule+0x2040/0x2040 [ 25.097566] ? do_wait_intr_irq+0x3e0/0x3e0 [ 25.101870] ? __lockdep_init_map+0xe4/0x650 [ 25.106273] ? do_raw_spin_trylock+0x190/0x190 [ 25.110851] ? lockdep_init_map+0x9/0x10 [ 25.114905] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 25.119996] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.125010] ? trace_hardirqs_on+0xd/0x10 [ 25.129153] ? __kthread_parkme+0x175/0x240 [ 25.133472] kthread+0x33c/0x400 [ 25.136829] ? process_one_work+0x1af0/0x1af0 [ 25.141305] ? kthread_stop+0x7a0/0x7a0 [ 25.145267] ret_from_fork+0x3a/0x50 executing program [ 25.863260] IPVS: ftp: loaded support on port[0] = 21 executing program [ 25.889879] IPVS: ftp: loaded support on port[0] = 21 [ 25.999604] BUG: sleeping function called from invalid context at net/core/sock.c:2769 [ 26.007695] in_atomic(): 1, irqs_disabled(): 0, pid: 85, name: kworker/u4:3 [ 26.014834] 5 locks held by kworker/u4:3/85: [ 26.019245] #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000c9792deb>] process_one_work+0xaaf/0x1af0 [ 26.029344] #1: (net_cleanup_work){+.+.}, at: [<00000000adc12e2a>] process_one_work+0xb01/0x1af0 [ 26.038464] #2: (net_sem){++++}, at: [<000000009ccb5669>] cleanup_net+0x23f/0xd20 [ 26.046278] #3: (net_mutex){+.+.}, at: [<00000000a92767d9>] cleanup_net+0xa7d/0xd20 [ 26.054303] #4: (&(&srv->idr_lock)->rlock){+...}, at: [<000000001343e568>] tipc_topsrv_stop+0x231/0x610 [ 26.064054] CPU: 0 PID: 85 Comm: kworker/u4:3 Tainted: G W 4.16.0-rc1+ #230 [ 26.072345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.081684] Workqueue: netns cleanup_net [ 26.085717] Call Trace: [ 26.088288] dump_stack+0x194/0x257 [ 26.091888] ? arch_local_irq_restore+0x53/0x53 [ 26.096530] ? print_lock+0x9f/0xa2 [ 26.100126] ? lockdep_print_held_locks+0xc4/0x130 [ 26.105038] ___might_sleep+0x2b2/0x470 [ 26.108987] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 26.114837] ? find_held_lock+0x35/0x1d0 [ 26.118878] __might_sleep+0x95/0x190 [ 26.122652] ? lock_downgrade+0x980/0x980 [ 26.127610] lock_sock_nested+0x37/0x110 [ 26.131651] tipc_release+0x103/0xff0 [ 26.135433] ? check_noncircular+0x20/0x20 [ 26.139641] ? tipc_sk_backlog_rcv+0x390/0x390 [ 26.144195] ? _raw_spin_unlock+0x22/0x30 [ 26.148314] ? inet_evict_bucket.isra.5+0x427/0x5f0 [ 26.153304] ? lock_acquire+0x1d5/0x580 [ 26.157246] ? lock_acquire+0x1d5/0x580 [ 26.161191] ? tipc_topsrv_stop+0x231/0x610 [ 26.165483] ? tipc_topsrv_stop+0x1a3/0x610 [ 26.169780] ? lock_release+0xa40/0xa40 [ 26.173729] ? trace_event_raw_event_module_request+0x320/0x320 [ 26.179795] sock_release+0x8d/0x1e0 [ 26.183483] tipc_topsrv_stop+0x3c0/0x610 [ 26.187604] ? kfree+0xf3/0x260 [ 26.190859] ? tipc_topsrv_start+0x1010/0x1010 [ 26.195413] ? trace_hardirqs_on+0xd/0x10 [ 26.199534] ? tipc_nl_media_set+0x570/0x570 [ 26.203914] tipc_exit_net+0x15/0x40 [ 26.207598] ops_exit_list.isra.6+0xae/0x150 [ 26.211983] cleanup_net+0x6ba/0xd20 [ 26.215666] ? find_held_lock+0x35/0x1d0 [ 26.219703] ? unregister_pernet_device+0x70/0x70 [ 26.224517] ? debug_object_deactivate+0x364/0x560 [ 26.229426] ? lock_downgrade+0x980/0x980 [ 26.233546] ? wq_pool_ids_show+0x290/0x290 [ 26.237839] ? lock_release+0xa40/0xa40 [ 26.241785] ? find_held_lock+0x35/0x1d0 [ 26.245825] ? check_noncircular+0x20/0x20 [ 26.250032] ? lock_acquire+0x1d5/0x580 [ 26.253978] ? process_one_work+0xb01/0x1af0 [ 26.258377] ? __lock_is_held+0xb6/0x140 [ 26.262428] process_one_work+0xbbf/0x1af0 [ 26.266646] ? pwq_dec_nr_in_flight+0x450/0x450 [ 26.271296] ? __schedule+0x8ea/0x2040 [ 26.275162] ? __lock_acquire+0x664/0x3e00 [ 26.279374] ? check_noncircular+0x20/0x20 [ 26.283588] ? check_noncircular+0x20/0x20 [ 26.287807] ? lock_acquire+0x1d5/0x580 [ 26.291750] ? lock_acquire+0x1d5/0x580 [ 26.295693] ? worker_thread+0x4a3/0x1990 [ 26.299813] ? lock_downgrade+0x980/0x980 [ 26.303933] ? lock_release+0xa40/0xa40 [ 26.307880] ? pr_cont_work+0x130/0x130 [ 26.311838] ? do_raw_spin_trylock+0x190/0x190 [ 26.316404] worker_thread+0x223/0x1990 [ 26.320350] ? lock_release+0xa40/0xa40 [ 26.324309] ? process_one_work+0x1af0/0x1af0 [ 26.328779] ? put_task_stack+0x116/0x270 [ 26.332913] ? finish_task_switch+0x5af/0x890 [ 26.337388] ? copy_overflow+0x20/0x20 [ 26.341261] ? __schedule+0x8ea/0x2040 [ 26.345130] ? check_noncircular+0x20/0x20 [ 26.349336] ? remove_entity_load_avg+0x1be/0x260 [ 26.354153] ? find_held_lock+0x35/0x1d0 [ 26.358188] ? find_held_lock+0x35/0x1d0 [ 26.362223] ? complete+0x62/0x80 [ 26.365654] ? __schedule+0x2040/0x2040 [ 26.369606] ? do_wait_intr_irq+0x3e0/0x3e0 [ 26.373899] ? __lockdep_init_map+0xe4/0x650 [ 26.378279] ? do_raw_spin_trylock+0x190/0x190 [ 26.382833] ? lockdep_init_map+0x9/0x10 [ 26.386864] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 26.391941] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.396926] ? trace_hardirqs_on+0xd/0x10 [ 26.401046] ? __kthread_parkme+0x175/0x240 [ 26.405341] kthread+0x33c/0x400 [ 26.408677] ? process_one_work+0x1af0/0x1af0 [ 26.413142] ? kthread_stop+0x7a0/0x7a0 [ 26.417088] ret_from_fork+0x3a/0x50 executing program [ 27.093468] IPVS: ftp: loaded support on port[0] = 21 [ 27.204586] BUG: sleeping function called from invalid context at net/core/sock.c:2769 [ 27.212702] in_atomic(): 1, irqs_disabled(): 0, pid: 85, name: kworker/u4:3 [ 27.219874] 5 locks held by kworker/u4:3/85: [ 27.224314] #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000c9792deb>] process_one_work+0xaaf/0x1af0 [ 27.234327] #1: (net_cleanup_work){+.+.}, at: [<00000000adc12e2a>] process_one_work+0xb01/0x1af0 [ 27.243458] #2: (net_sem){++++}, at: [<000000009ccb5669>] cleanup_net+0x23f/0xd20 [ 27.251290] #3: (net_mutex){+.+.}, at: [<00000000a92767d9>] cleanup_net+0xa7d/0xd20 [ 27.259282] #4: (&(&srv->idr_lock)->rlock){+...}, at: [<000000001343e568>] tipc_topsrv_stop+0x231/0x610 [ 27.269038] CPU: 1 PID: 85 Comm: kworker/u4:3 Tainted: G W 4.16.0-rc1+ #230 [ 27.277333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.286667] Workqueue: netns cleanup_net [ 27.290700] Call Trace: [ 27.293263] dump_stack+0x194/0x257 [ 27.296867] ? arch_local_irq_restore+0x53/0x53 [ 27.301510] ? print_lock+0x9f/0xa2 [ 27.305115] ? lockdep_print_held_locks+0xc4/0x130 [ 27.310026] ___might_sleep+0x2b2/0x470 [ 27.313974] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 27.319826] ? find_held_lock+0x35/0x1d0 [ 27.323866] __might_sleep+0x95/0x190 [ 27.327639] ? lock_downgrade+0x980/0x980 [ 27.331766] lock_sock_nested+0x37/0x110 [ 27.335823] tipc_release+0x103/0xff0 [ 27.339611] ? check_noncircular+0x20/0x20 [ 27.343826] ? tipc_sk_backlog_rcv+0x390/0x390 [ 27.348387] ? _raw_spin_unlock+0x22/0x30 [ 27.352509] ? inet_evict_bucket.isra.5+0x427/0x5f0 [ 27.357503] ? lock_acquire+0x1d5/0x580 [ 27.361461] ? lock_acquire+0x1d5/0x580 [ 27.365411] ? tipc_topsrv_stop+0x231/0x610 [ 27.369702] ? tipc_topsrv_stop+0x1a3/0x610 [ 27.373999] ? lock_release+0xa40/0xa40 [ 27.377946] ? trace_event_raw_event_module_request+0x320/0x320 [ 27.383987] sock_release+0x8d/0x1e0 [ 27.387673] tipc_topsrv_stop+0x3c0/0x610 [ 27.391800] ? kfree+0xf3/0x260 [ 27.395058] ? tipc_topsrv_start+0x1010/0x1010 [ 27.399618] ? trace_hardirqs_on+0xd/0x10 [ 27.403747] ? tipc_nl_media_set+0x570/0x570 [ 27.408129] tipc_exit_net+0x15/0x40 [ 27.411819] ops_exit_list.isra.6+0xae/0x150 [ 27.416200] cleanup_net+0x6ba/0xd20 [ 27.419883] ? find_held_lock+0x35/0x1d0 [ 27.423921] ? unregister_pernet_device+0x70/0x70 [ 27.428735] ? debug_object_deactivate+0x364/0x560 [ 27.433635] ? lock_downgrade+0x980/0x980 [ 27.437753] ? wq_pool_ids_show+0x290/0x290 [ 27.442046] ? lock_release+0xa40/0xa40 [ 27.445992] ? find_held_lock+0x35/0x1d0 [ 27.450033] ? check_noncircular+0x20/0x20 [ 27.454240] ? lock_acquire+0x1d5/0x580 [ 27.458187] ? process_one_work+0xb01/0x1af0 [ 27.462578] ? __lock_is_held+0xb6/0x140 [ 27.466640] process_one_work+0xbbf/0x1af0 [ 27.470856] ? pwq_dec_nr_in_flight+0x450/0x450 [ 27.475505] ? __schedule+0x8ea/0x2040 [ 27.479371] ? __lock_acquire+0x664/0x3e00 [ 27.483582] ? check_noncircular+0x20/0x20 [ 27.487795] ? check_noncircular+0x20/0x20 [ 27.492015] ? lock_acquire+0x1d5/0x580 [ 27.495963] ? lock_acquire+0x1d5/0x580 [ 27.499910] ? worker_thread+0x4a3/0x1990 [ 27.504032] ? lock_downgrade+0x980/0x980 [ 27.508155] ? lock_release+0xa40/0xa40 [ 27.512107] ? pr_cont_work+0x130/0x130 [ 27.516062] ? do_raw_spin_trylock+0x190/0x190 [ 27.520632] worker_thread+0x223/0x1990 [ 27.524578] ? lock_release+0xa40/0xa40 [ 27.528539] ? process_one_work+0x1af0/0x1af0 [ 27.533009] ? put_task_stack+0x116/0x270 [ 27.537133] ? finish_task_switch+0x5af/0x890 [ 27.541604] ? copy_overflow+0x20/0x20 [ 27.545478] ? __schedule+0x8ea/0x2040 [ 27.549348] ? check_noncircular+0x20/0x20 [ 27.553555] ? remove_entity_load_avg+0x1be/0x260 [ 27.558372] ? find_held_lock+0x35/0x1d0 [ 27.562412] ? find_held_lock+0x35/0x1d0 [ 27.566457] ? complete+0x62/0x80 [ 27.569899] ? __schedule+0x2040/0x2040 [ 27.573848] ? do_wait_intr_irq+0x3e0/0x3e0 [ 27.578142] ? __lockdep_init_map+0xe4/0x650 [ 27.582523] ? do_raw_spin_trylock+0x190/0x190 [ 27.587079] ? lockdep_init_map+0x9/0x10 [ 27.591115] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 27.596203] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.601197] ? trace_hardirqs_on+0xd/0x10 [ 27.605321] ? __kthread_parkme+0x175/0x240 [ 27.609621] kthread+0x33c/0x400 [ 27.612959] ? process_one_work+0x1af0/0x1af0 [ 27.617425] ? kthread_stop+0x7a0/0x7a0 [ 27.621374] ret_from_fork+0x3a/0x50 executing program [ 28.292035] IPVS: ftp: loaded support on port[0] = 21 executing program [ 28.320144] IPVS: ftp: loaded support on port[0] = 21 executing program [ 28.345958] IPVS: ftp: loaded support on port[0] = 21 [ 28.485591] BUG: sleeping function called from invalid context at net/core/sock.c:2769 [ 28.493699] in_atomic(): 1, irqs_disabled(): 0, pid: 85, name: kworker/u4:3 [ 28.500824] 5 locks held by kworker/u4:3/85: [ 28.505239] #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000c9792deb>] process_one_work+0xaaf/0x1af0 [ 28.515235] #1: (net_cleanup_work){+.+.}, at: [<00000000adc12e2a>] process_one_work+0xb01/0x1af0 [ 28.524348] #2: (net_sem){++++}, at: [<000000009ccb5669>] cleanup_net+0x23f/0xd20 [ 28.532173] #3: (net_mutex){+.+.}, at: [<00000000a92767d9>] cleanup_net+0xa7d/0xd20 [ 28.540165] #4: (&(&srv->idr_lock)->rlock){+...}, at: [<000000001343e568>] tipc_topsrv_stop+0x231/0x610 [ 28.549919] CPU: 0 PID: 85 Comm: kworker/u4:3 Tainted: G W 4.16.0-rc1+ #230 [ 28.558208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.567549] Workqueue: netns cleanup_net [ 28.571586] Call Trace: [ 28.574156] dump_stack+0x194/0x257 [ 28.577759] ? arch_local_irq_restore+0x53/0x53 [ 28.582407] ? print_lock+0x9f/0xa2 [ 28.586011] ? lockdep_print_held_locks+0xc4/0x130 [ 28.590921] ___might_sleep+0x2b2/0x470 [ 28.594876] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 28.600736] ? find_held_lock+0x35/0x1d0 [ 28.604779] __might_sleep+0x95/0x190 [ 28.608552] ? lock_downgrade+0x980/0x980 [ 28.612679] lock_sock_nested+0x37/0x110 [ 28.616719] tipc_release+0x103/0xff0 [ 28.620496] ? check_noncircular+0x20/0x20 [ 28.624707] ? tipc_sk_backlog_rcv+0x390/0x390 [ 28.629267] ? _raw_spin_unlock+0x22/0x30 [ 28.633391] ? inet_evict_bucket.isra.5+0x427/0x5f0 [ 28.638391] ? lock_acquire+0x1d5/0x580 [ 28.642348] ? lock_acquire+0x1d5/0x580 [ 28.646313] ? tipc_topsrv_stop+0x231/0x610 [ 28.650607] ? tipc_topsrv_stop+0x1a3/0x610 [ 28.654908] ? lock_release+0xa40/0xa40 [ 28.658867] ? trace_event_raw_event_module_request+0x320/0x320 [ 28.664915] sock_release+0x8d/0x1e0 [ 28.668606] tipc_topsrv_stop+0x3c0/0x610 [ 28.672743] ? kfree+0xf3/0x260 [ 28.675997] ? tipc_topsrv_start+0x1010/0x1010 [ 28.680557] ? trace_hardirqs_on+0xd/0x10 [ 28.684682] ? tipc_nl_media_set+0x570/0x570 [ 28.689062] tipc_exit_net+0x15/0x40 [ 28.692747] ops_exit_list.isra.6+0xae/0x150 [ 28.697133] cleanup_net+0x6ba/0xd20 [ 28.700817] ? find_held_lock+0x35/0x1d0 [ 28.704855] ? unregister_pernet_device+0x70/0x70 [ 28.709670] ? debug_object_deactivate+0x364/0x560 [ 28.714575] ? lock_downgrade+0x980/0x980 [ 28.718706] ? wq_pool_ids_show+0x290/0x290 [ 28.723004] ? lock_release+0xa40/0xa40 [ 28.726954] ? find_held_lock+0x35/0x1d0 [ 28.730992] ? check_noncircular+0x20/0x20 [ 28.735202] ? lock_acquire+0x1d5/0x580 [ 28.739147] ? process_one_work+0xb01/0x1af0 [ 28.743546] ? __lock_is_held+0xb6/0x140 [ 28.747590] process_one_work+0xbbf/0x1af0 [ 28.751808] ? pwq_dec_nr_in_flight+0x450/0x450 [ 28.756462] ? __schedule+0x8ea/0x2040 [ 28.760327] ? __lock_acquire+0x664/0x3e00 [ 28.764538] ? check_noncircular+0x20/0x20 [ 28.768754] ? check_noncircular+0x20/0x20 [ 28.772973] ? lock_acquire+0x1d5/0x580 [ 28.776917] ? lock_acquire+0x1d5/0x580 [ 28.780863] ? worker_thread+0x4a3/0x1990 [ 28.784986] ? lock_downgrade+0x980/0x980 [ 28.789131] ? lock_release+0xa40/0xa40 [ 28.793080] ? pr_cont_work+0x130/0x130 [ 28.797036] ? do_raw_spin_trylock+0x190/0x190 [ 28.801604] worker_thread+0x223/0x1990 [ 28.805562] ? lock_release+0xa40/0xa40 [ 28.809527] ? process_one_work+0x1af0/0x1af0 [ 28.813997] ? put_task_stack+0x116/0x270 [ 28.818122] ? finish_task_switch+0x5af/0x890 [ 28.822590] ? copy_overflow+0x20/0x20 [ 28.826475] ? __schedule+0x8ea/0x2040 [ 28.830345] ? check_noncircular+0x20/0x20 [ 28.834553] ? remove_entity_load_avg+0x1be/0x260 [ 28.839373] ? find_held_lock+0x35/0x1d0 [ 28.843412] ? find_held_lock+0x35/0x1d0 [ 28.847451] ? complete+0x62/0x80 [ 28.850885] ? __schedule+0x2040/0x2040 [ 28.854830] ? do_wait_intr_irq+0x3e0/0x3e0 [ 28.859122] ? __lockdep_init_map+0xe4/0x650 [ 28.863504] ? do_raw_spin_trylock+0x190/0x190 [ 28.868058] ? lockdep_init_map+0x9/0x10 [ 28.872091] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 28.877168] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.882156] ? trace_hardirqs_on+0xd/0x10 [ 28.886274] ? __kthread_parkme+0x175/0x240 [ 28.890571] kthread+0x33c/0x400 [ 28.893910] ? process_one_work+0x1af0/0x1af0 [ 28.898374] ? kthread_stop+0x7a0/0x7a0 [ 28.902322] ret_from_fork+0x3a/0x50 executing program [ 29.722440] IPVS: ftp: loaded support on port[0] = 21 [ 29.831621] BUG: sleeping function called from invalid context at net/core/sock.c:2769 [ 29.839736] in_atomic(): 1, irqs_disabled(): 0, pid: 85, name: kworker/u4:3 [ 29.846878] 5 locks held by kworker/u4:3/85: [ 29.851294] #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000c9792deb>] process_one_work+0xaaf/0x1af0 [ 29.861317] #1: (net_cleanup_work){+.+.}, at: [<00000000adc12e2a>] process_one_work+0xb01/0x1af0 [ 29.870447] #2: (net_sem){++++}, at: [<000000009ccb5669>] cleanup_net+0x23f/0xd20 [ 29.878281] #3: (net_mutex){+.+.}, at: [<00000000a92767d9>] cleanup_net+0xa7d/0xd20 [ 29.886277] #4: (&(&srv->idr_lock)->rlock){+...}, at: [<000000001343e568>] tipc_topsrv_stop+0x231/0x610 [ 29.896040] CPU: 0 PID: 85 Comm: kworker/u4:3 Tainted: G W 4.16.0-rc1+ #230 [ 29.904335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.913675] Workqueue: netns cleanup_net [ 29.917707] Call Trace: [ 29.920272] dump_stack+0x194/0x257 [ 29.923875] ? arch_local_irq_restore+0x53/0x53 [ 29.928521] ? print_lock+0x9f/0xa2 [ 29.932122] ? lockdep_print_held_locks+0xc4/0x130 [ 29.937032] ___might_sleep+0x2b2/0x470 [ 29.940980] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 29.946832] ? find_held_lock+0x35/0x1d0 [ 29.950871] __might_sleep+0x95/0x190 [ 29.954645] ? lock_downgrade+0x980/0x980 [ 29.958776] lock_sock_nested+0x37/0x110 [ 29.962814] tipc_release+0x103/0xff0 [ 29.966608] ? check_noncircular+0x20/0x20 [ 29.970821] ? tipc_sk_backlog_rcv+0x390/0x390 [ 29.975377] ? _raw_spin_unlock+0x22/0x30 [ 29.979501] ? inet_evict_bucket.isra.5+0x427/0x5f0 [ 29.984493] ? lock_acquire+0x1d5/0x580 [ 29.988438] ? lock_acquire+0x1d5/0x580 [ 29.992383] ? tipc_topsrv_stop+0x231/0x610 [ 29.996675] ? tipc_topsrv_stop+0x1a3/0x610 [ 30.000969] ? lock_release+0xa40/0xa40 [ 30.004918] ? trace_event_raw_event_module_request+0x320/0x320 [ 30.010961] sock_release+0x8d/0x1e0 [ 30.014650] tipc_topsrv_stop+0x3c0/0x610 [ 30.018782] ? kfree+0xf3/0x260 [ 30.022037] ? tipc_topsrv_start+0x1010/0x1010 [ 30.026595] ? trace_hardirqs_on+0xd/0x10 [ 30.030719] ? tipc_nl_media_set+0x570/0x570 [ 30.035102] tipc_exit_net+0x15/0x40 [ 30.038787] ops_exit_list.isra.6+0xae/0x150 [ 30.043170] cleanup_net+0x6ba/0xd20 [ 30.046857] ? find_held_lock+0x35/0x1d0 [ 30.050899] ? unregister_pernet_device+0x70/0x70 [ 30.055716] ? debug_object_deactivate+0x364/0x560 [ 30.060619] ? lock_downgrade+0x980/0x980 [ 30.064738] ? wq_pool_ids_show+0x290/0x290 [ 30.069043] ? lock_release+0xa40/0xa40 [ 30.072989] ? find_held_lock+0x35/0x1d0 [ 30.077034] ? check_noncircular+0x20/0x20 [ 30.081241] ? lock_acquire+0x1d5/0x580 [ 30.085189] ? process_one_work+0xb01/0x1af0 [ 30.089577] ? __lock_is_held+0xb6/0x140 [ 30.093622] process_one_work+0xbbf/0x1af0 [ 30.097839] ? pwq_dec_nr_in_flight+0x450/0x450 [ 30.102500] ? __schedule+0x8ea/0x2040 [ 30.106365] ? __lock_acquire+0x664/0x3e00 [ 30.110574] ? check_noncircular+0x20/0x20 [ 30.114787] ? check_noncircular+0x20/0x20 [ 30.119020] ? lock_acquire+0x1d5/0x580 [ 30.122968] ? lock_acquire+0x1d5/0x580 [ 30.126917] ? worker_thread+0x4a3/0x1990 [ 30.131036] ? lock_downgrade+0x980/0x980 [ 30.135159] ? lock_release+0xa40/0xa40 [ 30.139104] ? pr_cont_work+0x130/0x130 [ 30.143060] ? do_raw_spin_trylock+0x190/0x190 [ 30.147629] worker_thread+0x223/0x1990 [ 30.151575] ? lock_release+0xa40/0xa40 [ 30.155536] ? process_one_work+0x1af0/0x1af0 [ 30.160010] ? put_task_stack+0x116/0x270 [ 30.164142] ? finish_task_switch+0x5af/0x890 [ 30.168613] ? copy_overflow+0x20/0x20 [ 30.172488] ? __schedule+0x8ea/0x2040 [ 30.176355] ? check_noncircular+0x20/0x20 [ 30.180565] ? remove_entity_load_avg+0x1be/0x260 [ 30.185379] ? find_held_lock+0x35/0x1d0 [ 30.189417] ? find_held_lock+0x35/0x1d0 [ 30.193466] ? complete+0x62/0x80 [ 30.196901] ? __schedule+0x2040/0x2040 [ 30.201280] ? do_wait_intr_irq+0x3e0/0x3e0 [ 30.205575] ? __lockdep_init_map+0xe4/0x650 [ 30.209958] ? do_raw_spin_trylock+0x190/0x190 [ 30.214619] ? lockdep_init_map+0x9/0x10 [ 30.218655] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 30.223734] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.228724] ? trace_hardirqs_on+0xd/0x10 [ 30.232847] ? __kthread_parkme+0x175/0x240 [ 30.237144] kthread+0x33c/0x400 [ 30.240491] ? process_one_work+0x1af0/0x1af0 [ 30.244955] ? kthread_stop+0x7a0/0x7a0 [ 30.248904] ret_from_fork+0x3a/0x50 executing program [ 30.921006] IPVS: ftp: loaded support on port[0] = 21 executing program [ 30.945461] IPVS: ftp: loaded support on port[0] = 21 executing program [ 30.969915] IPVS: ftp: loaded support on port[0] = 21 executing program [ 30.995681] IPVS: ftp: loaded support on port[0] = 21 [ 31.147051] BUG: sleeping function called from invalid context at net/core/sock.c:2769 [ 31.155168] in_atomic(): 1, irqs_disabled(): 0, pid: 85, name: kworker/u4:3 [ 31.162278] 5 locks held by kworker/u4:3/85: [ 31.166676] #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000c9792deb>] process_one_work+0xaaf/0x1af0 [ 31.176671] #1: (net_cleanup_work){+.+.}, at: [<00000000adc12e2a>] process_one_work+0xb01/0x1af0 [ 31.185783] #2: (net_sem){++++}, at: [<000000009ccb5669>] cleanup_net+0x23f/0xd20 [ 31.193602] #3: (net_mutex){+.+.}, at: [<00000000a92767d9>] cleanup_net+0xa7d/0xd20 [ 31.201593] #4: (&(&srv->idr_lock)->rlock){+...}, at: [<000000001343e568>] tipc_topsrv_stop+0x231/0x610 [ 31.211331] CPU: 0 PID: 85 Comm: kworker/u4:3 Tainted: G W 4.16.0-rc1+ #230 [ 31.219618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.228951] Workqueue: netns cleanup_net [ 31.232986] Call Trace: [ 31.235552] dump_stack+0x194/0x257 [ 31.239152] ? arch_local_irq_restore+0x53/0x53 [ 31.243798] ? print_lock+0x9f/0xa2 [ 31.247399] ? lockdep_print_held_locks+0xc4/0x130 [ 31.252308] ___might_sleep+0x2b2/0x470 [ 31.256254] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 31.262109] ? find_held_lock+0x35/0x1d0 [ 31.266148] __might_sleep+0x95/0x190 [ 31.269919] ? lock_downgrade+0x980/0x980 [ 31.274046] lock_sock_nested+0x37/0x110 [ 31.278082] tipc_release+0x103/0xff0 [ 31.281854] ? check_noncircular+0x20/0x20 [ 31.286063] ? tipc_sk_backlog_rcv+0x390/0x390 [ 31.290621] ? _raw_spin_unlock+0x22/0x30 [ 31.294750] ? inet_evict_bucket.isra.5+0x427/0x5f0 [ 31.299742] ? lock_acquire+0x1d5/0x580 [ 31.303687] ? lock_acquire+0x1d5/0x580 [ 31.307647] ? tipc_topsrv_stop+0x231/0x610 [ 31.311941] ? tipc_topsrv_stop+0x1a3/0x610 [ 31.316241] ? lock_release+0xa40/0xa40 [ 31.320190] ? trace_event_raw_event_module_request+0x320/0x320 [ 31.326233] sock_release+0x8d/0x1e0 [ 31.329923] tipc_topsrv_stop+0x3c0/0x610 [ 31.334050] ? kfree+0xf3/0x260 [ 31.337301] ? tipc_topsrv_start+0x1010/0x1010 [ 31.341861] ? trace_hardirqs_on+0xd/0x10 [ 31.345981] ? tipc_nl_media_set+0x570/0x570 [ 31.350361] tipc_exit_net+0x15/0x40 [ 31.354047] ops_exit_list.isra.6+0xae/0x150 [ 31.358433] cleanup_net+0x6ba/0xd20 [ 31.362122] ? find_held_lock+0x35/0x1d0 [ 31.366169] ? unregister_pernet_device+0x70/0x70 [ 31.371083] ? debug_object_deactivate+0x364/0x560 [ 31.375988] ? lock_downgrade+0x980/0x980 [ 31.380107] ? wq_pool_ids_show+0x290/0x290 [ 31.384401] ? lock_release+0xa40/0xa40 [ 31.388352] ? find_held_lock+0x35/0x1d0 [ 31.392389] ? check_noncircular+0x20/0x20 [ 31.396594] ? lock_acquire+0x1d5/0x580 [ 31.400541] ? process_one_work+0xb01/0x1af0 [ 31.404935] ? __lock_is_held+0xb6/0x140 [ 31.408982] process_one_work+0xbbf/0x1af0 [ 31.413199] ? pwq_dec_nr_in_flight+0x450/0x450 [ 31.417848] ? __schedule+0x8ea/0x2040 [ 31.421715] ? __lock_acquire+0x664/0x3e00 [ 31.425924] ? check_noncircular+0x20/0x20 [ 31.430145] ? check_noncircular+0x20/0x20 [ 31.434360] ? lock_acquire+0x1d5/0x580 [ 31.438304] ? lock_acquire+0x1d5/0x580 [ 31.442247] ? worker_thread+0x4a3/0x1990 [ 31.446364] ? lock_downgrade+0x980/0x980 [ 31.450487] ? lock_release+0xa40/0xa40 [ 31.454435] ? pr_cont_work+0x130/0x130 [ 31.458391] ? do_raw_spin_trylock+0x190/0x190 [ 31.462958] worker_thread+0x223/0x1990 [ 31.466905] ? lock_release+0xa40/0xa40 [ 31.470869] ? process_one_work+0x1af0/0x1af0 [ 31.475346] ? put_task_stack+0x116/0x270 [ 31.479476] ? finish_task_switch+0x5af/0x890 [ 31.483947] ? copy_overflow+0x20/0x20 [ 31.487822] ? __schedule+0x8ea/0x2040 [ 31.491695] ? check_noncircular+0x20/0x20 [ 31.495904] ? remove_entity_load_avg+0x1be/0x260 [ 31.500721] ? find_held_lock+0x35/0x1d0 [ 31.504769] ? find_held_lock+0x35/0x1d0 [ 31.508807] ? complete+0x62/0x80 [ 31.512237] ? __schedule+0x2040/0x2040 [ 31.516189] ? do_wait_intr_irq+0x3e0/0x3e0 [ 31.520480] ? __lockdep_init_map+0xe4/0x650 [ 31.524862] ? do_raw_spin_trylock+0x190/0x190 [ 31.529415] ? lockdep_init_map+0x9/0x10 [ 31.533459] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 31.538533] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.543613] ? trace_hardirqs_on+0xd/0x10 [ 31.547735] ? __kthread_parkme+0x175/0x240 [ 31.552038] kthread+0x33c/0x400 [ 31.555387] ? process_one_work+0x1af0/0x1af0 [ 31.559849] ? kthread_stop+0x7a0/0x7a0 [ 31.563800] ret_from_fork+0x3a/0x50 executing program [ 32.454109] IPVS: ftp: loaded support on port[0] = 21 [ 32.568561] BUG: sleeping function called from invalid context at net/core/sock.c:2769 [ 32.576672] in_atomic(): 1, irqs_disabled(): 0, pid: 85, name: kworker/u4:3 [ 32.583815] 5 locks held by kworker/u4:3/85: [ 32.588232] #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000c9792deb>] process_one_work+0xaaf/0x1af0 [ 32.598230] #1: (net_cleanup_work){+.+.}, at: [<00000000adc12e2a>] process_one_work+0xb01/0x1af0 [ 32.607348] #2: (net_sem){++++}, at: [<000000009ccb5669>] cleanup_net+0x23f/0xd20 [ 32.615171] #3: (net_mutex){+.+.}, at: [<00000000a92767d9>] cleanup_net+0xa7d/0xd20 [ 32.623148] #4: (&(&srv->idr_lock)->rlock){+...}, at: [<000000001343e568>] tipc_topsrv_stop+0x231/0x610 [ 32.632898] CPU: 0 PID: 85 Comm: kworker/u4:3 Tainted: G W 4.16.0-rc1+ #230 [ 32.641189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.650538] Workqueue: netns cleanup_net [ 32.654586] Call Trace: [ 32.657166] dump_stack+0x194/0x257 [ 32.660784] ? arch_local_irq_restore+0x53/0x53 [ 32.665443] ? print_lock+0x9f/0xa2 [ 32.669051] ? lockdep_print_held_locks+0xc4/0x130 [ 32.673974] ___might_sleep+0x2b2/0x470 [ 32.677931] ? trace_event_raw_event_sched_switch+0x810/0x810 [ 32.683800] ? find_held_lock+0x35/0x1d0 [ 32.687843] __might_sleep+0x95/0x190 [ 32.691616] ? lock_downgrade+0x980/0x980 [ 32.695742] lock_sock_nested+0x37/0x110 [ 32.699782] tipc_release+0x103/0xff0 [ 32.703563] ? check_noncircular+0x20/0x20 [ 32.707784] ? tipc_sk_backlog_rcv+0x390/0x390 [ 32.712343] ? _raw_spin_unlock+0x22/0x30 [ 32.716579] ? inet_evict_bucket.isra.5+0x427/0x5f0 [ 32.721586] ? lock_acquire+0x1d5/0x580 [ 32.725714] ? lock_acquire+0x1d5/0x580 [ 32.729661] ? tipc_topsrv_stop+0x231/0x610 [ 32.733956] ? tipc_topsrv_stop+0x1a3/0x610 [ 32.738251] ? lock_release+0xa40/0xa40 [ 32.742200] ? trace_event_raw_event_module_request+0x320/0x320 [ 32.748245] sock_release+0x8d/0x1e0 [ 32.751934] tipc_topsrv_stop+0x3c0/0x610 [ 32.756073] ? kfree+0xf3/0x260 [ 32.759326] ? tipc_topsrv_start+0x1010/0x1010 [ 32.763883] ? trace_hardirqs_on+0xd/0x10 [ 32.768029] ? tipc_nl_media_set+0x570/0x570 [ 32.772423] tipc_exit_net+0x15/0x40 [ 32.776116] ops_exit_list.isra.6+0xae/0x150 [ 32.780502] cleanup_net+0x6ba/0xd20 [ 32.784188] ? find_held_lock+0x35/0x1d0 [ 32.788240] ? unregister_pernet_device+0x70/0x70 [ 32.793057] ? debug_object_deactivate+0x364/0x560 [ 32.797958] ? lock_downgrade+0x980/0x980 [ 32.802077] ? wq_pool_ids_show+0x290/0x290 [ 32.806465] ? lock_release+0xa40/0xa40 [ 32.810422] ? find_held_lock+0x35/0x1d0 [ 32.814470] ? check_noncircular+0x20/0x20 [ 32.818688] ? lock_acquire+0x1d5/0x580 [ 32.822646] ? process_one_work+0xb01/0x1af0 [ 32.827073] ? __lock_is_held+0xb6/0x140 [ 32.831124] process_one_work+0xbbf/0x1af0 [ 32.835342] ? pwq_dec_nr_in_flight+0x450/0x450 [ 32.840002] ? __schedule+0x8ea/0x2040 [ 32.843880] ? __lock_acquire+0x664/0x3e00 [ 32.848098] ? check_noncircular+0x20/0x20 [ 32.852328] ? check_noncircular+0x20/0x20 [ 32.856557] ? lock_acquire+0x1d5/0x580 [ 32.860510] ? lock_acquire+0x1d5/0x580 [ 32.864475] ? worker_thread+0x4a3/0x1990 [ 32.868608] ? lock_downgrade+0x980/0x980 [ 32.872743] ? lock_release+0xa40/0xa40 [ 32.876703] ? pr_cont_work+0x130/0x130 [ 32.880664] ? do_raw_spin_trylock+0x190/0x190 [ 32.885242] worker_thread+0x223/0x1990 [ 32.889190] ? lock_release+0xa40/0xa40 [ 32.893155] ? process_one_work+0x1af0/0x1af0 [ 32.897626] ? put_task_stack+0x116/0x270 [ 32.901748] ? finish_task_switch+0x5af/0x890 [ 32.906220] ? copy_overflow+0x20/0x20 [ 32.910105] ? __schedule+0x8ea/0x2040 [ 32.914013] ? check_noncircular+0x20/0x20 [ 32.918228] ? remove_entity_load_avg+0x1be/0x260 [ 32.923047] ? find_held_lock+0x35/0x1d0 [ 32.927089] ? find_held_lock+0x35/0x1d0 [ 32.931131] ? complete+0x62/0x80 [ 32.934565] ? __schedule+0x2040/0x2040 [ 32.938514] ? do_wait_intr_irq+0x3e0/0x3e0 [ 32.942807] ? __lockdep_init_map+0xe4/0x650 [ 32.947186] ? do_raw_spin_trylock+0x190/0x190 [ 32.951737] ? lockdep_init_map+0x9/0x10 [ 32.955771] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 32.960846] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.965840] ? trace_hardirqs_on+0xd/0x10 [ 32.969963] ? __kthread_parkme+0x175/0x240 [ 32.974266] kthread+0x33c/0x400 [ 32.977608] ? process_one_work+0x1af0/0x1af0 [ 32.982076] ? kthread_stop+0x7a0/0x7a0 [ 32.986028] ret_from_fork+0x3a/0x50