INFO: task syz-executor.5:389 blocked for more than 143 seconds.
      Not tainted 6.3.0-rc6-syzkaller-01781-ga5962e0a8b7b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:27216 pid:389   ppid:5120   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5307 [inline]
 __schedule+0xc91/0x5770 kernel/sched/core.c:6625
 schedule+0xde/0x1a0 kernel/sched/core.c:6701
 synchronize_rcu_expedited+0x5d4/0x770 kernel/rcu/tree_exp.h:1004
 namespace_unlock+0x1af/0x410 fs/namespace.c:1499