binder: send failed reply for transaction 146, target dead
binder: send failed reply for transaction 153, target dead
binder: send failed reply for transaction 154, target dead
binder: send failed reply for transaction 156, target dead
binder: send failed reply for transaction 159, target dead
INFO: task kworker/1:0:24381 blocked for more than 140 seconds.
      Not tainted 4.9.129+ #96
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/1:0     D27608 24381      2 0x80000000
Workqueue: events linkwatch_event
 ffff8801d3bd8000 ffff88018e340000 ffff8801cd55e300 ffff8801cff3df00
 ffff8801db721018 ffff8801d266fae8 ffffffff827e7d32 0000000000000002
 ffff8801d3bd88b0 ffffed003a77b115 00ff8801d3bd8000 ffff8801db7218f0
Call Trace:
 [<ffffffff827e925f>] schedule+0x7f/0x1b0 kernel/sched/core.c:3553
 [<ffffffff827e9be3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3586
 [<ffffffff827ebc5d>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff827ebc5d>] mutex_lock_nested+0x38d/0x900 kernel/locking/mutex.c:621
 [<ffffffff82323177>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
 [<ffffffff8233a1be>] linkwatch_event+0xe/0x60 net/core/link_watch.c:236
 [<ffffffff81130bb1>] process_one_work+0x831/0x1530 kernel/workqueue.c:2092
 [<ffffffff81131986>] worker_thread+0xd6/0x1140 kernel/workqueue.c:2226
 [<ffffffff8114272d>] kthread+0x26d/0x300 kernel/kthread.c:211
 [<ffffffff827f815c>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373

Showing all locks held in the system:
2 locks held by khungtaskd/24:
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131b83c>] check_hung_uninterruptible_tasks kernel/hung_task.c:168 [inline]
 #0:  (rcu_read_lock){......}, at: [<ffffffff8131b83c>] watchdog+0x11c/0xa20 kernel/hung_task.c:239
 #1:  (tasklist_lock){.+.+..}, at: [<ffffffff813fdfe4>] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4336
2 locks held by getty/2030:
 #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff827f6082>] ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:367
 #1:  (&ldata->atomic_read_lock){+.+.+.}, at: [<ffffffff81d1fe52>] n_tty_read+0x202/0x16e0 drivers/tty/n_tty.c:2142
3 locks held by kworker/1:0/24381:
 #0:  ("events"){.+.+.+}, at: [<ffffffff81130abc>] process_one_work+0x73c/0x1530 kernel/workqueue.c:2085
 #1:  ((linkwatch_work).work){+.+...}, at: [<ffffffff81130af4>] process_one_work+0x774/0x1530 kernel/workqueue.c:2089
 #2:  (rtnl_mutex){+.+.+.}, at: [<ffffffff82323177>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
3 locks held by kworker/u4:0/25364:
 #0:  ("%s""netns"){.+.+.+}, at: [<ffffffff81130abc>] process_one_work+0x73c/0x1530 kernel/workqueue.c:2085
 #1:  (net_cleanup_work){+.+.+.}, at: [<ffffffff81130af4>] process_one_work+0x774/0x1530 kernel/workqueue.c:2089
 #2:  (net_mutex){+.+.+.}, at: [<ffffffff822c874f>] cleanup_net+0x13f/0x8b0 net/core/net_namespace.c:439
3 locks held by kworker/0:0/25971:
 #0:  ("%s"("ipv6_addrconf")){.+.+..}, at: [<ffffffff81130abc>] process_one_work+0x73c/0x1530 kernel/workqueue.c:2085
 #1:  ((addr_chk_work).work){+.+...}, at: [<ffffffff81130af4>] process_one_work+0x774/0x1530 kernel/workqueue.c:2089
 #2:  (rtnl_mutex){+.+.+.}, at: [<ffffffff82323177>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
1 lock held by syz-executor3/27624:
 #0:  (rtnl_mutex){+.+.+.}, at: [<ffffffff82323177>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70
2 locks held by syz-executor1/27671:
 #0:  (net_mutex){+.+.+.}, at: [<ffffffff822c9015>] copy_net_ns+0x155/0x330 net/core/net_namespace.c:406
 #1:  (rtnl_mutex){+.+.+.}, at: [<ffffffff82323177>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:70

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