INFO: task syz-executor.2:14608 blocked for more than 143 seconds.
      Not tainted 6.4.0-rc7-syzkaller-01948-gae230642190a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:27104 pid:14608 ppid:5019   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5343 [inline]
 __schedule+0xc9a/0x5880 kernel/sched/core.c:6669
 schedule+0xde/0x1a0 kernel/sched/core.c:6745
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6804
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747
 ip_tunnel_delete_nets+0x94/0x3a0 net/ipv4/ip_tunnel.c:1139
 ops_exit_list+0x125/0x170 net/core/net_namespace.c:175
 setup_net+0x64c/0xa40 net/core/net_namespace.c:362
 copy_net_ns+0x334/0x6c0 net/core/net_namespace.c:491
 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0xc1/0x1f0 kernel/nsproxy.c:228