syzbot

 sign-in | mailing list | source | docs
🐞 Open [717] 🐞 Fixed [181] 🐞 Invalid [640] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes 💬 Send us feedback

INFO: task hung in raw_close

Status: auto-closed as invalid on 2020/12/18 08:57
Reported-by: syzbot+17eabced50b61e80e799@syzkaller.appspotmail.com
First crash: 1344d, last: 1344d
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 INFO: task hung in raw_close (2) 1 703d 703d 0/1 auto-obsoleted due to no activity on 2022/09/20 23:01
android-414 INFO: task hung in raw_close 2 1827d 1842d 0/1 auto-closed as invalid on 2019/10/22 04:54

Sample crash report:
kworker/dying (28666) used greatest stack depth: 23472 bytes left
kworker/dying (2852) used greatest stack depth: 23272 bytes left
INFO: task syz-executor.5:8844 blocked for more than 140 seconds.
      Not tainted 4.14.193-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5  D27552  8844   6369 0x80000002
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 raw_close+0xe/0x30 net/ipv4/raw.c:701
 inet_release+0xdf/0x1b0 net/ipv4/af_inet.c:425
 __sock_release+0xcd/0x2b0 net/socket.c:602
 sock_close+0x15/0x20 net/socket.c:1139
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa08/0x27f0 kernel/exit.c:865
 do_group_exit+0x100/0x2e0 kernel/exit.c:962
 get_signal+0x38d/0x1ca0 kernel/signal.c:2423
 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814
 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45d4d9
RSP: 002b:00007f3de06c6cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000118cf48 RCX: 000000000045d4d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cf48
RBP: 000000000118cf40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffe5629579f R14: 00007f3de06c79c0 R15: 000000000118cf4c
INFO: task kworker/1:4:13478 blocked for more than 140 seconds.
      Not tainted 4.14.193-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/1:4     D27984 13478      2 0x80000000
Workqueue: events proc_cleanup_work
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 exp_funnel_lock kernel/rcu/tree_exp.h:295 [inline]
 _synchronize_rcu_expedited+0x5f6/0x770 kernel/rcu/tree_exp.h:596
 synchronize_rcu+0x98/0x130 kernel/rcu/tree_plugin.h:762
 kern_unmount fs/namespace.c:3346 [inline]
 kern_unmount+0x53/0xc0 fs/namespace.c:3341
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
INFO: task syz-executor.0:13489 blocked for more than 140 seconds.
      Not tainted 4.14.193-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D28560 13489   6370 0x80000002
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 exp_funnel_lock kernel/rcu/tree_exp.h:295 [inline]
 _synchronize_rcu_expedited+0x5f6/0x770 kernel/rcu/tree_exp.h:596
 synchronize_net+0x2b/0x40 net/core/dev.c:8239
 __tun_detach+0x2b3/0xf60 drivers/net/tun.c:560
 tun_detach drivers/net/tun.c:586 [inline]
 tun_chr_close+0x41/0x60 drivers/net/tun.c:2671
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa08/0x27f0 kernel/exit.c:865
 do_group_exit+0x100/0x2e0 kernel/exit.c:962
 get_signal+0x38d/0x1ca0 kernel/signal.c:2423
 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814
 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45d4d9
RSP: 002b:00007f1ce373dcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000118cfe8 RCX: 000000000045d4d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfe8
RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cfec
R13: 00007ffc5e2ea63f R14: 00007f1ce373e9c0 R15: 000000000118cfec
INFO: task syz-executor.0:13747 blocked for more than 140 seconds.
      Not tainted 4.14.193-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D28560 13747   6370 0x80000002
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 raw_close+0xe/0x30 net/ipv4/raw.c:701
 inet_release+0xdf/0x1b0 net/ipv4/af_inet.c:425
 __sock_release+0xcd/0x2b0 net/socket.c:602
 sock_close+0x15/0x20 net/socket.c:1139
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa08/0x27f0 kernel/exit.c:865
 do_group_exit+0x100/0x2e0 kernel/exit.c:962
 get_signal+0x38d/0x1ca0 kernel/signal.c:2423
 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814
 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45d4d9
RSP: 002b:00007f1ce375ecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000118cf48 RCX: 000000000045d4d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cf48
RBP: 000000000118cf40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffc5e2ea63f R14: 00007f1ce375f9c0 R15: 000000000118cf4c
INFO: task kworker/u4:12:13791 blocked for more than 140 seconds.
      Not tainted 4.14.193-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u4:12   D23368 13791      2 0x80000000
Workqueue: netns cleanup_net
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 cleanup_net+0x115/0x840 net/core/net_namespace.c:453
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
INFO: task syz-executor.5:15274 blocked for more than 140 seconds.
      Not tainted 4.14.193-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5  D29080 15274   6369 0x80000002
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
 _free_event+0x321/0xe20 kernel/events/core.c:4243
 put_event kernel/events/core.c:4329 [inline]
 perf_event_release_kernel+0x3b2/0x8a0 kernel/events/core.c:4430
 perf_release+0x33/0x40 kernel/events/core.c:4440
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa08/0x27f0 kernel/exit.c:865
 do_group_exit+0x100/0x2e0 kernel/exit.c:962
 get_signal+0x38d/0x1ca0 kernel/signal.c:2423
 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814
 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45d4d9
RSP: 002b:00007f3de0663cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000118d128 RCX: 000000000045d4d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118d128
RBP: 000000000118d120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118d12c
R13: 00007ffe5629579f R14: 00007f3de06649c0 R15: 000000000118d12c
INFO: task kworker/1:6:15840 blocked for more than 140 seconds.
      Not tainted 4.14.193-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/1:6     D27728 15840      2 0x80000000
Workqueue: events proc_cleanup_work
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 _synchronize_rcu_expedited+0x522/0x770 kernel/rcu/tree_exp.h:615
 synchronize_rcu+0x98/0x130 kernel/rcu/tree_plugin.h:762
 kern_unmount fs/namespace.c:3346 [inline]
 kern_unmount+0x53/0xc0 fs/namespace.c:3341
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
INFO: task kworker/0:4:16102 blocked for more than 140 seconds.
      Not tainted 4.14.193-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/0:4     D27576 16102      2 0x80000000
Workqueue: events proc_cleanup_work
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 exp_funnel_lock kernel/rcu/tree_exp.h:295 [inline]
 _synchronize_rcu_expedited+0x5f6/0x770 kernel/rcu/tree_exp.h:596
 synchronize_rcu+0x98/0x130 kernel/rcu/tree_plugin.h:762
 kern_unmount fs/namespace.c:3346 [inline]
 kern_unmount+0x53/0xc0 fs/namespace.c:3341
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
INFO: task syz-executor.0:16558 blocked for more than 140 seconds.
      Not tainted 4.14.193-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D27616 16558   6370 0x80000002
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
 _free_event+0x321/0xe20 kernel/events/core.c:4243
 put_event kernel/events/core.c:4329 [inline]
 perf_event_release_kernel+0x3b2/0x8a0 kernel/events/core.c:4430
 perf_release+0x33/0x40 kernel/events/core.c:4440
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa08/0x27f0 kernel/exit.c:865
 do_group_exit+0x100/0x2e0 kernel/exit.c:962
 get_signal+0x38d/0x1ca0 kernel/signal.c:2423
 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814
 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45d4d9
RSP: 002b:00007f1ce36fbcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000118d128 RCX: 000000000045d4d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118d128
RBP: 000000000118d120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118d12c
R13: 00007ffc5e2ea63f R14: 00007f1ce36fc9c0 R15: 000000000118d12c
INFO: task syz-executor.5:17216 blocked for more than 140 seconds.
      Not tainted 4.14.193-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5  D27808 17216   6369 0x80000002
Call Trace:
 context_switch kernel/sched/core.c:2808 [inline]
 __schedule+0x88b/0x1de0 kernel/sched/core.c:3384
 schedule+0x8d/0x1b0 kernel/sched/core.c:3428
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486
 __mutex_lock_common kernel/locking/mutex.c:833 [inline]
 __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
 perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
 _free_event+0x321/0xe20 kernel/events/core.c:4243
 put_event kernel/events/core.c:4329 [inline]
 perf_event_release_kernel+0x3b2/0x8a0 kernel/events/core.c:4430
 perf_release+0x33/0x40 kernel/events/core.c:4440
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa08/0x27f0 kernel/exit.c:865
 do_group_exit+0x100/0x2e0 kernel/exit.c:962
 get_signal+0x38d/0x1ca0 kernel/signal.c:2423
 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814
 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45d4d9
RSP: 002b:00007f3de0663cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000118d128 RCX: 000000000045d4d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118d128
RBP: 000000000118d120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118d12c
R13: 00007ffe5629579f R14: 00007f3de06649c0 R15: 000000000118d12c

Showing all locks held in the system:
1 lock held by khungtaskd/1067:
 #0:  (tasklist_lock){.+.+}, at: [<ffffffff814778d4>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
2 locks held by agetty/6042:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff8343ce32>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff83432183>] n_tty_read+0x1e3/0x1680 drivers/tty/n_tty.c:2156
2 locks held by syz-executor.5/8844:
 #0:  (&sb->s_type->i_mutex_key#13){+.+.}, at: [<ffffffff850b52c6>] inode_lock include/linux/fs.h:719 [inline]
 #0:  (&sb->s_type->i_mutex_key#13){+.+.}, at: [<ffffffff850b52c6>] __sock_release+0x86/0x2b0 net/socket.c:601
 #1:  (rtnl_mutex){+.+.}, at: [<ffffffff8567dbfe>] raw_close+0xe/0x30 net/ipv4/raw.c:701
2 locks held by kworker/1:4/13478:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
1 lock held by syz-executor.0/13489:
 #0:  (rtnl_mutex){+.+.}, at: [<ffffffff83e5b104>] tun_detach drivers/net/tun.c:585 [inline]
 #0:  (rtnl_mutex){+.+.}, at: [<ffffffff83e5b104>] tun_chr_close+0x34/0x60 drivers/net/tun.c:2671
2 locks held by syz-executor.0/13747:
 #0:  (&sb->s_type->i_mutex_key#13){+.+.}, at: [<ffffffff850b52c6>] inode_lock include/linux/fs.h:719 [inline]
 #0:  (&sb->s_type->i_mutex_key#13){+.+.}, at: [<ffffffff850b52c6>] __sock_release+0x86/0x2b0 net/socket.c:601
 #1:  (rtnl_mutex){+.+.}, at: [<ffffffff8567dbfe>] raw_close+0xe/0x30 net/ipv4/raw.c:701
4 locks held by kworker/u4:12/13791:
 #0:  ("%s""netns"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  (net_cleanup_work){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
 #2:  (net_mutex){+.+.}, at: [<ffffffff8510a1e0>] cleanup_net+0x110/0x840 net/core/net_namespace.c:450
 #3:  (rtnl_mutex){+.+.}, at: [<ffffffff8510a1e5>] cleanup_net+0x115/0x840 net/core/net_namespace.c:453
1 lock held by syz-executor.5/15274:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
3 locks held by kworker/1:6/15840:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
 #2:  (rcu_preempt_state.exp_mutex){+.+.}, at: [<ffffffff814d288d>] exp_funnel_lock kernel/rcu/tree_exp.h:305 [inline]
 #2:  (rcu_preempt_state.exp_mutex){+.+.}, at: [<ffffffff814d288d>] _synchronize_rcu_expedited+0x32d/0x770 kernel/rcu/tree_exp.h:596
2 locks held by kworker/0:4/16102:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
1 lock held by syz-executor.0/16558:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/17216:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/17322:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
2 locks held by kworker/0:2/21146:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
3 locks held by kworker/1:5/22180:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
 #2:  (rcu_preempt_state.exp_mutex){+.+.}, at: [<ffffffff814d288d>] exp_funnel_lock kernel/rcu/tree_exp.h:305 [inline]
 #2:  (rcu_preempt_state.exp_mutex){+.+.}, at: [<ffffffff814d288d>] _synchronize_rcu_expedited+0x32d/0x770 kernel/rcu/tree_exp.h:596
2 locks held by kworker/0:6/24013:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
1 lock held by syz-executor.4/26573:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
2 locks held by kworker/1:8/29108:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
1 lock held by syz-executor.0/31549:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.0/7086:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.2/7271:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.5/8043:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
2 locks held by syz-executor.0/8470:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
 #1:  (rcu_sched_state.exp_mutex){+.+.}, at: [<ffffffff814d2822>] exp_funnel_lock kernel/rcu/tree_exp.h:272 [inline]
 #1:  (rcu_sched_state.exp_mutex){+.+.}, at: [<ffffffff814d2822>] _synchronize_rcu_expedited+0x2c2/0x770 kernel/rcu/tree_exp.h:596
1 lock held by syz-executor.2/10260:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
1 lock held by syz-executor.2/10983:
 #0:  (event_mutex){+.+.}, at: [<ffffffff81618273>] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234
2 locks held by kworker/0:0/11251:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:0/11257:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:1/11258:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:2/11259:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:3/11260:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:7/11262:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:9/11263:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:10/11265:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:11/11266:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:12/11267:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:13/11268:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:1/11270:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:14/11271:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:3/11272:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:5/11273:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:15/11274:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:7/11275:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:16/11276:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:8/11277:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:9/11278:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:17/11279:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:10/11280:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:18/11281:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:11/11282:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:19/11283:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:12/11284:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:20/11285:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:13/11286:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:14/11287:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:21/11288:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:15/11289:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:16/11290:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:22/11291:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:17/11292:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:23/11293:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:18/11294:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:19/11295:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:24/11296:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:25/11297:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:20/11298:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:26/11299:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:21/11300:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:27/11301:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:22/11302:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:28/11303:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:29/11304:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:23/11305:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:30/11306:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:31/11307:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:24/11308:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:32/11309:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:25/11310:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:33/11311:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:34/11312:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:26/11313:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:35/11314:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:36/11315:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:27/11316:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:37/11317:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:38/11318:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:28/11319:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:29/11320:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:39/11321:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:40/11322:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:30/11323:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:41/11324:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:31/11325:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:32/11326:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:42/11327:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:33/11328:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:34/11329:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:43/11330:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:35/11331:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:44/11332:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:36/11333:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:45/11334:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:37/11335:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:46/11336:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:38/11337:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:47/11338:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:39/11339:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:48/11340:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:40/11341:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:49/11342:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:41/11343:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:50/11344:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:42/11345:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:51/11346:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:43/11347:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:52/11348:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:44/11349:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:53/11350:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:45/11351:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:54/11352:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:46/11353:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:55/11354:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:47/11355:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:56/11356:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:48/11357:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:57/11358:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:49/11359:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:58/11360:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:50/11361:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:59/11362:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:51/11363:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:60/11364:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:52/11365:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:61/11366:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:53/11367:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:62/11368:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:54/11369:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:63/11370:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:55/11371:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:64/11372:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:56/11373:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:65/11374:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:57/11375:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:66/11376:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:58/11377:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:67/11378:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:59/11379:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:68/11380:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:60/11381:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:69/11382:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:61/11383:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:70/11384:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:62/11385:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:71/11386:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:63/11387:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:72/11388:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:64/11389:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:73/11390:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:65/11391:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:74/11392:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:66/11393:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:75/11394:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:67/11395:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:76/11396:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:68/11397:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:77/11398:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:69/11399:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:78/11400:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:70/11401:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:79/11402:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:71/11403:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:72/11404:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:80/11405:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:73/11406:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:81/11407:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:74/11408:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:75/11409:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:82/11410:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:76/11411:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:83/11412:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:84/11413:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:77/11414:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:78/11415:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:85/11416:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:79/11417:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:80/11418:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:86/11419:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:87/11420:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:81/11421:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:88/11422:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:89/11423:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:82/11424:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:90/11425:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:83/11426:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:91/11427:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:84/11428:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:85/11429:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:92/11430:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:86/11431:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:87/11432:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:93/11433:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:94/11434:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:88/11435:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:95/11436:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:89/11437:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:96/11438:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:97/11439:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:90/11440:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:98/11441:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:91/11442:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:99/11443:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:92/11444:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:100/11445:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:93/11446:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:94/11447:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:101/11448:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:95/11449:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:102/11450:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:96/11451:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:103/11452:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:97/11453:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:104/11454:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:98/11455:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:105/11456:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:99/11457:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:106/11458:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:100/11459:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:107/11460:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:108/11461:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:101/11462:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:109/11463:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:102/11464:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:103/11465:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:110/11466:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:104/11467:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:111/11468:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:105/11469:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:112/11470:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:106/11471:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:107/11472:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:113/11473:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:114/11474:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:108/11475:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:115/11476:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:116/11477:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:109/11478:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:117/11479:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:118/11480:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:110/11481:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:119/11482:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:111/11483:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:120/11484:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:112/11485:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:121/11486:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:113/11487:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:122/11488:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:114/11489:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:123/11490:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:115/11491:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:124/11492:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:116/11493:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:117/11494:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:125/11495:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:126/11496:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:118/11497:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:127/11498:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:119/11499:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:128/11500:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:120/11501:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:129/11502:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:121/11503:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:130/11504:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:122/11505:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:123/11506:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:131/11507:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:132/11508:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:133/11509:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:124/11510:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:125/11511:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:134/11512:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:135/11513:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:126/11514:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:136/11515:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:127/11516:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:137/11517:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:128/11518:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:129/11519:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:138/11520:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:130/11521:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:139/11522:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:131/11523:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:140/11524:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:132/11525:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/1:141/11526:
 #0:  ("events"){+.+.}, at: [<ffffffff813ba640>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
 #1:  ((&ns->proc_work)){+.+.}, at: [<ffffffff813ba676>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
2 locks held by kworker/0:133/11528:

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/08/20 08:56 linux-4.14.y 14b58326976d ed282a3a .config console log report ci2-linux-4-14
* Struck through repros no longer work on HEAD.