------------[ cut here ]------------
WARNING: kernel/rcu/sync.c:177 at rcu_sync_dtor+0xcd/0x180 kernel/rcu/sync.c:177, CPU#1: kworker/1:1/39
Modules linked in:
CPU: 1 UID: 0 PID: 39 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events destroy_super_work
RIP: 0010:rcu_sync_dtor+0xcd/0x180 kernel/rcu/sync.c:177
Code: 18 e8 67 d1 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 c5 8e b7 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:ffffc90000af79e8 EFLAGS: 00010246
RAX: 0000000000000002 RBX: ffff888028e44350 RCX: 20246bbbe149ee00
RDX: 0000000000000000 RSI: ffffffff8bbf81c0 RDI: ffff888028e44350
RBP: 0000000000000001 R08: ffffffff8dddfe23 R09: 1ffffffff1bbbfc4
R10: dffffc0000000000 R11: fffffbfff1bbbfc5 R12: dffffc0000000000
R13: 1ffff110051c886a R14: ffff888028e44350 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125fba000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd9e9b5698 CR3: 0000000075d9c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 percpu_free_rwsem+0x40/0x80 kernel/locking/percpu-rwsem.c:42
 destroy_super_work+0x217/0x310 fs/super.c:283
 process_one_work+0x93a/0x15e0 kernel/workqueue.c:3261
 process_scheduled_works kernel/workqueue.c:3344 [inline]
 worker_thread+0x9b0/0xee0 kernel/workqueue.c:3425
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>