------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(!test_bit(class_idx, lock_classes_in_use))
WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:5198 __lock_acquire+0x165b/0x2100 kernel/locking/lockdep.c:5198
Modules linked in:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.14.0-rc2-syzkaller-00056-gab68d7eb7b1a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__lock_acquire+0x165b/0x2100 kernel/locking/lockdep.c:5198
Code: 0f b6 04 08 84 c0 0f 85 31 0a 00 00 83 3d 00 cd 80 0e 00 75 19 90 48 c7 c7 20 a5 0a 8c 48 c7 c6 60 ce 0a 8c e8 66 33 e5 ff 90 <0f> 0b 90 90 90 e9 be fd ff ff 90 0f 0b 90 e9 16 fd ff ff 90 e8 fc
RSP: 0018:ffffffff8e607690 EFLAGS: 00010046
RAX: 8f8aec3178c25c00 RBX: 00000000008a8620 RCX: ffffffff8e696580
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffffff8e697098 R08: ffffffff817ffc22 R09: fffffbfff1cfa588
R10: dffffc0000000000 R11: fffffbfff1cfa588 R12: ffffffff8e697054
R13: ffffffff8e696580 R14: 0000000000000000 R15: ffffffff8e6970b8
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3051bff8 CR3: 000000007bc68000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:606
 raw_spin_rq_lock kernel/sched/sched.h:1521 [inline]
 raw_spin_rq_lock_irq kernel/sched/sched.h:1527 [inline]
 sched_core_balance+0xd87/0xf50 kernel/sched/core.c:6419
 do_balance_callbacks kernel/sched/core.c:5029 [inline]
 __balance_callbacks+0x18a/0x280 kernel/sched/core.c:5083
 finish_lock_switch kernel/sched/core.c:5130 [inline]
 finish_task_switch+0x1d3/0x870 kernel/sched/core.c:5249
 context_switch kernel/sched/core.c:5380 [inline]
 __schedule+0x1916/0x4c90 kernel/sched/core.c:6764
 schedule_idle+0x56/0x90 kernel/sched/core.c:6882
 do_idle+0x567/0x5c0 kernel/sched/idle.c:353
 cpu_startup_entry+0x42/0x60 kernel/sched/idle.c:423
 rest_init+0x2dc/0x300 init/main.c:743
 start_kernel+0x484/0x510 init/main.c:1099
 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:515
 x86_64_start_kernel+0x9f/0xa0 arch/x86/kernel/head64.c:496
 common_startup_64+0x13e/0x147
 </TASK>