------------[ cut here ]------------ WARNING: CPU: 1 PID: 5881 at kernel/rcu/sync.c:177 rcu_sync_dtor+0xcd/0x180 kernel/rcu/sync.c:177 Modules linked in: CPU: 1 UID: 0 PID: 5881 Comm: kworker/1:5 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events destroy_super_work RIP: 0010:rcu_sync_dtor+0xcd/0x180 kernel/rcu/sync.c:177 Code: 74 19 e8 86 ca 00 00 43 0f b6 44 25 00 84 c0 0f 85 82 00 00 00 41 83 3f 00 75 1d 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 90 <0f> 0b 90 e9 66 ff ff ff 90 0f 0b 90 eb 89 90 0f 0b 90 eb dd 44 89 RSP: 0018:ffffc9000439fa90 EFLAGS: 00010246 RAX: 0000000000000002 RBX: 1ffff110049d0877 RCX: ffff88802ef39e00 RDX: 0000000000000000 RSI: ffffffff8c5fece0 RDI: ffff888024e84350 RBP: 0000000000000259 R08: ffffffff8237c9b4 R09: 1ffffffff1cfbdbd R10: dffffc0000000000 R11: fffffbfff1cfbdbe R12: dffffc0000000000 R13: 1ffff110049d086a R14: ffff888024e84350 R15: ffff888024e84350 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc803fce28 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: percpu_free_rwsem+0x41/0x80 kernel/locking/percpu-rwsem.c:42 destroy_super_work+0xef/0x130 fs/super.c:282 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244