INFO: task syz.4.489:7432 blocked for more than 156 seconds.
      Not tainted 6.11.0-rc4-next-20240820-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.489       state:R  running task     stack:23736 pid:7432  tgid:7431  ppid:6353   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5311 [inline]
 __schedule+0x184a/0x4b30 kernel/sched/core.c:6677
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6999
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:restore_sigcontext+0x486/0x7d0 arch/x86/kernel/signal_64.c:77
Code: 00 00 49 8d 5d 10 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 d8 95 c9 00 4c 89 23 49 8d 7f 30 48 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 05 e8 ce 94 c9 00 4c 8b a4 24 90 00 00 00 49 8d
RSP: 0018:ffffc900031dfc40 EFLAGS: 00000a06
RAX: 1ffff9200063bf9a RBX: ffffc900031dff68 RCX: ffff88802a665a00
RDX: ffffc90009129000 RSI: 0000000000000000 RDI: ffffc900031dfcd0
RBP: ffffc900031dfe30 R08: ffffffff8132ad25 R09: 1ffff9200063bfab
R10: ffffc900031dfdd0 R11: ffff8880b913ea50 R12: dffffc0000000000
R13: dffffc0000000000 R14: 9497e2276fc8af00 R15: 0000000000000046
 </TASK>

Showing all locks held in the system:
1 lock held by pool_workqueue_/3:
 #0: ffffffff8e93ecf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:296 [inline]
 #0: ffffffff8e93ecf8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:969
1 lock held by khungtaskd/30:
 #0: ffffffff8e939760 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 #0: ffffffff8e939760 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffffffff8e939760 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6645
5 locks held by kworker/u8:3/53:
 #0: ffff8880166ed948 ((wq_completion)#19){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
 #0: ffff8880166ed948 ((wq_completion)#19){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3313
 #1: ffffc90000bd7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3208 [inline]
 #1: ffffc90000bd7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3313
 #2: ffffffff8fc83a50 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:580
 #3: ffff88802f32d428 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_destruct+0x110/0x2e0 drivers/net/wireguard/device.c:249