attempt to access beyond end of device loop0: rw=48, want=8200, limit=20 attempt to access beyond end of device loop0: rw=48, want=12296, limit=20 F2FS-fs (loop0): Failed to get valid F2FS checkpoint INFO: task kworker/dying:22 blocked for more than 140 seconds. Not tainted 4.9.169+ #44 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/dying D26504 22 2 0x80000000 ffff8801da732f80 0000000000000000 ffff8801db621000 ffff8801cf0e5f00 ffff8801db621018 ffff8801d9c278c0 ffffffff8280152e 0000000000000246 ffff8801da732f80 0000000000000000 ffff8801db6218f0 1ffff1003b384f07 Call Trace: [<00000000250f2579>] schedule+0x92/0x1c0 kernel/sched/core.c:3546 [<00000000067da436>] __rt_mutex_slowlock+0x99/0x290 kernel/locking/rtmutex.c:1221 [<00000000458f4c64>] rt_mutex_slowlock+0x199/0x4c0 kernel/locking/rtmutex.c:1293 [<00000000f22839ff>] rt_mutex_fastlock kernel/locking/rtmutex.c:1439 [inline] [<00000000f22839ff>] rt_mutex_lock+0x2d/0x40 kernel/locking/rtmutex.c:1499 [<000000003c584a1b>] process_notifier drivers/misc/uid_sys_stats.c:636 [inline] [<000000003c584a1b>] process_notifier+0x96/0x670 drivers/misc/uid_sys_stats.c:625 [<0000000072888cf9>] notifier_call_chain+0xb4/0x1d0 kernel/notifier.c:93 [<0000000083c47b57>] __blocking_notifier_call_chain kernel/notifier.c:317 [inline] [<0000000083c47b57>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] [<0000000083c47b57>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] [<0000000083c47b57>] blocking_notifier_call_chain+0x80/0xa0 kernel/notifier.c:325 [<0000000093624f6c>] profile_task_exit+0x1f/0x30 kernel/profile.c:140 [<00000000528ad322>] do_exit+0x90/0x2aa0 kernel/exit.c:744 [<000000008fc48e36>] kthread+0x22b/0x310 kernel/kthread.c:214 [<0000000064ba455e>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Showing all locks held in the system: 1 lock held by kworker/dying/22: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 2 locks held by khungtaskd/24: #0: (rcu_read_lock){......}, at: [<000000006e84615a>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline] #0: (rcu_read_lock){......}, at: [<000000006e84615a>] watchdog+0x13c/0xae0 kernel/hung_task.c:239 #1: (tasklist_lock){.+.+..}, at: [<0000000018f9f855>] debug_show_all_locks+0x7f/0x21f kernel/locking/lockdep.c:4339 2 locks held by kworker/u4:1/64: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 1 lock held by kworker/dying/346: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by rsyslogd/1892: #0: (&f->f_pos_lock){+.+.+.}, at: [<0000000058c40a52>] __fdget_pos+0xa8/0xd0 fs/file.c:782 2 locks held by getty/2020: #0: (&tty->ldisc_sem){++++++}, at: [<0000000054ba8378>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377 #1: (&ldata->atomic_read_lock){+.+...}, at: [<0000000089f40723>] n_tty_read+0x1fe/0x1820 drivers/tty/n_tty.c:2156 1 lock held by syz-executor.0/2100: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.5/2101: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.3/2104: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.4/2105: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 2 locks held by kworker/u4:5/2132: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:13/3392: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:0/13285: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:3/13291: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:4/13298: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 1 lock held by kworker/dying/14343: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.2/14438: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 2 locks held by kworker/u4:6/16465: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:7/16467: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:8/16469: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:9/16475: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:10/16478: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:11/16480: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 1 lock held by syz-executor.1/21004: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 2 locks held by kworker/u4:12/22111: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:16/24142: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:17/24152: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:18/25543: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:19/25556: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 1 lock held by kworker/dying/30024: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 2 locks held by kworker/u4:21/30491: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:22/30506: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:23/30521: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:24/30527: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 2 locks held by kworker/u4:26/30541: #0: ("events_unbound"){.+.+.+}, at: [<0000000001170758>] process_one_work+0x790/0x1600 kernel/workqueue.c:2107 #1: ((&sub_info->work)){+.+.+.}, at: [<00000000eb9f8b95>] process_one_work+0x7ce/0x1600 kernel/workqueue.c:2111 1 lock held by syz-executor.2/7713: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.2/7720: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.2/7735: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.1/7715: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.1/7721: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.1/7729: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.1/7741: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.1/7749: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.1/7763: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.4/7733: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.4/7739: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.4/7756: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.5/7736: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.5/7737: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.5/7744: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.5/7768: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7755: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7757: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.0/7758: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.0/7759: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.0/7764: #0: (loop_ctl_mutex/1){+.+.+.}, at: [<00000000bee4458f>] lo_ioctl+0x85/0x1a10 drivers/block/loop.c:1405 1 lock held by syz-executor.0/7767: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.0/7794: #0: (loop_ctl_mutex/1){+.+.+.}, at: [<00000000bee4458f>] lo_ioctl+0x85/0x1a10 drivers/block/loop.c:1405 1 lock held by syz-executor.0/7795: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.3/7760: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by syz-executor.3/7762: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7761: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by loop0/7765: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by blkid/7766: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kthreadd/7769: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kthreadd/7770: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kthreadd/7771: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kthreadd/7772: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kthreadd/7773: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kthreadd/7774: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by kthreadd/7775: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7776: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7777: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7778: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7779: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7780: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7781: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7782: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7783: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7784: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7785: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7786: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7787: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7788: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7789: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7790: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7791: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7792: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7793: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by modprobe/7796: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/7797: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/7798: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/7799: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/7800: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/7801: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 1 lock held by getty/7802: #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){.+.+..}, at: [<0000000002ee2881>] blocking_notifier_call_chain+0x6a/0xa0 kernel/notifier.c:325 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 24 Comm: khungtaskd Not tainted 4.9.169+ #44 ffff8801d98dfcc8 ffffffff81b4f7f1 0000000000000001 0000000000000000 0000000000000001 ffffffff81097401 dffffc0000000000 ffff8801d98dfd00 ffffffff81b5aa8c 0000000000000001 0000000000000000 0000000000000001 Call Trace: [<00000000dd71ceb1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000dd71ceb1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000000cba75c2>] nmi_cpu_backtrace.cold+0x47/0x87 lib/nmi_backtrace.c:99 [<0000000018f5be92>] nmi_trigger_cpumask_backtrace+0x124/0x155 lib/nmi_backtrace.c:60 [<00000000c27205fa>] arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37 [<00000000df3b0054>] trigger_all_cpu_backtrace include/linux/nmi.h:58 [inline] [<00000000df3b0054>] check_hung_task kernel/hung_task.c:125 [inline] [<00000000df3b0054>] check_hung_uninterruptible_tasks kernel/hung_task.c:182 [inline] [<00000000df3b0054>] watchdog+0x661/0xae0 kernel/hung_task.c:239 [<00000000455e9836>] kthread+0x278/0x310 kernel/kthread.c:211 [<0000000064ba455e>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at pc 0xffffffff828105a2