------------[ cut here ]------------
WARNING: kernel/rcu/sync.c:177 at rcu_sync_dtor+0xcd/0x180 kernel/rcu/sync.c:177, CPU#0: kworker/0:4/5909
Modules linked in:
CPU: 0 UID: 0 PID: 5909 Comm: kworker/0:4 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events destroy_super_work
RIP: 0010:rcu_sync_dtor+0xcd/0x180 kernel/rcu/sync.c:177
Code: 18 e8 67 c6 00 00 43 0f b6 44 25 00 84 c0 0f 85 82 00 00 00 83 3b 00 75 1f 5b 41 5c 41 5d 41 5e 41 5f 5d e9 55 1f d5 09 cc 90 <0f> 0b 90 e9 66 ff ff ff 90 0f 0b 90 eb 8a 90 0f 0b 90 eb db 89 d9
RSP: 0018:ffffc900049179e8 EFLAGS: 00010246
RAX: 0000000000000002 RBX: ffff888055a4a358 RCX: 55c0a64260099f00
RDX: 0000000000000000 RSI: ffffffff8be34660 RDI: ffff888055a4a358
RBP: 000000000000023c R08: ffffffff8dfe046f R09: 1ffffffff1bfc08d
R10: dffffc0000000000 R11: fffffbfff1bfc08e R12: dffffc0000000000
R13: 1ffff1100ab4946b R14: ffff888055a4a358 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125be3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f907eee56c0 CR3: 0000000074992000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 percpu_free_rwsem+0x40/0x80 kernel/locking/percpu-rwsem.c:42
 destroy_super_work+0xee/0x130 fs/super.c:283
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>