ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!
INFO: task kworker/u4:32:25200 blocked for more than 140 seconds.
Not tainted 4.14.128+ #10
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u4:32 D26776 25200 2 0x80000000
Workqueue: netns cleanup_net
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_timeout+0x736/0xe80 kernel/time/timer.c:1721
do_wait_for_common kernel/sched/completion.c:91 [inline]
__wait_for_common kernel/sched/completion.c:112 [inline]
wait_for_common+0x29c/0x470 kernel/sched/completion.c:123
_rcu_barrier+0x27b/0x3e0 kernel/rcu/tree.c:3611
cleanup_net+0x4a3/0x860 net/core/net_namespace.c:495
process_one_work+0x7c6/0x1510 kernel/workqueue.c:2134
worker_thread+0x5d7/0x1080 kernel/workqueue.c:2271
kthread+0x310/0x420 kernel/kthread.c:232
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:404
Showing all locks held in the system:
1 lock held by khungtaskd/23:
#0: (tasklist_lock){.+.?}, at: [<00000000ccf7df6d>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4541
2 locks held by getty/1758:
#0: (&tty->ldisc_sem){++++}, at: [<0000000029ba54bb>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
#1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000499c7b9c>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156
1 lock held by syz-executor.0/19844:
#0: (&sb->s_type->i_mutex_key#8){+.+.}, at: [<00000000a19fa244>] inode_lock include/linux/fs.h:718 [inline]
#0: (&sb->s_type->i_mutex_key#8){+.+.}, at: [<00000000a19fa244>] __sock_release+0x86/0x2c0 net/socket.c:601
3 locks held by kworker/u4:32/25200:
#0: ("%s""netns"){+.+.}, at: [<000000009436b6c3>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105
#1: (net_cleanup_work){+.+.}, at: [<00000000e04a9e79>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109
#2: (rcu_preempt_state.barrier_mutex){+.+.}, at: [<00000000d00aa196>] _rcu_barrier+0x56/0x3e0 kernel/rcu/tree.c:3546
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.128+ #10
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0xb9/0x10e lib/dump_stack.c:53
nmi_cpu_backtrace.cold+0x47/0x86 lib/nmi_backtrace.c:101
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 13458 Comm: syz-executor.0 Not tainted 4.14.128+ #10
task: 0000000044a4d1e6 task.stack: 00000000860ca578
RIP: 0033:0x4018e4
RSP: 002b:00007f641c958b50 EFLAGS: 00000206
RAX: 0000000022d23447 RBX: 0000000000000fff RCX: 00000000004592c9
RDX: 0000000000412ef1 RSI: 0000000000a74ef0 RDI: 0000000000000043
RBP: 00000000004bdcb4 R08: 000000000000000e R09: 0000000000000000
R10: 00007f641c959700 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000004c67a4 R14: 00000000004db660 R15: 00000000ffffffff
FS: 00007f641c959700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f641c955fec CR3: 00000001ce45c002 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600