INFO: task syz-executor:5907 blocked for more than 143 seconds.
      Not tainted 6.16.0-rc3-syzkaller-00903-g20a0c20f82ac #0
      Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21384 pid:5907  tgid:5907  ppid:1      task_flags:0x40054c flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x16f5/0x4d00 kernel/sched/core.c:6785
 __schedule_loop kernel/sched/core.c:6863 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6878
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x724/0xe80 kernel/locking/mutex.c:747
 exp_funnel_lock kernel/rcu/tree_exp.h:336 [inline]
 synchronize_rcu_expedited+0x3b9/0x730 kernel/rcu/tree_exp.h:998
 __tun_detach+0x87e/0x1560 drivers/net/tun.c:604
 tun_detach drivers/net/tun.c:636 [inline]
 tun_chr_close+0x10a/0x1c0 drivers/net/tun.c:3396
 __fput+0x44c/0xa70 fs/file_table.c:465
 task_work_run+0x1d1/0x260 kernel/task_work.c:227