------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(!test_bit(class_idx, lock_classes_in_use))
WARNING: CPU: 1 PID: 5665 at kernel/locking/lockdep.c:5019 __lock_acquire+0x1954/0x6800 kernel/locking/lockdep.c:-1
Modules linked in:
CPU: 1 PID: 5665 Comm: gfs2_quotad Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
pstate: 624000c5 (nZCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __lock_acquire+0x1954/0x6800 kernel/locking/lockdep.c:-1
lr : __lock_acquire+0x1950/0x6800 kernel/locking/lockdep.c:5019
sp : ffff8000218b7940
x29: ffff8000218b7b50 x28: dfff800000000000 x27: 0000000000000001
x26: ffff0000d37ea638 x25: ffff0000d37ea630 x24: ffffffffffffffff
x23: 0000000000000000 x22: ffff0000d37ea658 x21: ffff0000d37e9bc0
x20: 0000000000000000 x19: dfff800000000000 x18: ffff800011b8bf60
x17: 0000000000000000 x16: ffff8000082eee68 x15: 0000000000000000
x14: 0000000000000001 x13: 1fffe00033eac9a3 x12: 0000000000ff0100
x11: ff00800008194238 x10: 0000000000000000 x9 : b05fdcfa70e4a300
x8 : b05fdcfa70e4a300 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000218b73d8 x4 : ffff8000152f4cc0 x3 : ffff80000853854c
x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000000
Call trace:
 __lock_acquire+0x1954/0x6800 kernel/locking/lockdep.c:-1
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb0 kernel/locking/spinlock.c:162
 finish_wait+0xc8/0x1ac kernel/sched/wait.c:410
 gfs2_quotad+0x390/0x500 fs/gfs2/quota.c:1579
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
irq event stamp: 1178
hardirqs last  enabled at (1177): [<ffff80000a8dee3c>] __free_object+0x1e0/0x894 lib/debugobjects.c:355
hardirqs last disabled at (1178): [<ffff800011b13848>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (1178): [<ffff800011b13848>] _raw_spin_lock_irqsave+0xa4/0xb0 kernel/locking/spinlock.c:162
softirqs last  enabled at (1132): [<ffff8000081ac37c>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (1132): [<ffff8000081ac37c>] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624
softirqs last disabled at (941): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---