BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 9151 Comm: syz.8.356 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x140/0x2e0 kernel/locking/lockdep.c:5868
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162
 remove_entity_load_avg kernel/sched/fair.c:4766 [inline]
 migrate_task_rq_fair+0xac/0x774 kernel/sched/fair.c:8598
 set_task_cpu+0x284/0x82c kernel/sched/core.c:3263
 try_to_wake_up+0x3dc/0xe24 kernel/sched/core.c:4215
 wake_up_process+0x18/0x24 kernel/sched/core.c:4349
 kick_pool+0x3e0/0x58c kernel/workqueue.c:1279
 __queue_work+0xd90/0x121c kernel/workqueue.c:2336
 queue_work_on+0xdc/0x18c kernel/workqueue.c:2386
 queue_work include/linux/workqueue.h:669 [inline]
 loop_queue_work drivers/block/loop.c:863 [inline]
 loop_queue_rq+0x944/0xaa8 drivers/block/loop.c:1890
 __blk_mq_issue_directly block/blk-mq.c:2715 [inline]
 blk_mq_request_issue_directly+0x2c0/0x560 block/blk-mq.c:2802
 blk_mq_issue_direct+0x254/0x558 block/blk-mq.c:2823
 blk_mq_dispatch_queue_requests+0x568/0x674 block/blk-mq.c:2898
 blk_mq_flush_plug_list+0x370/0x488 block/blk-mq.c:2981
 __blk_flush_plug+0x330/0x408 block/blk-core.c:1225
 blk_finish_plug block/blk-core.c:1252 [inline]
 __submit_bio+0x3f4/0x4d8 block/blk-core.c:651
 __submit_bio_noacct_mq block/blk-core.c:724 [inline]
 submit_bio_noacct_nocheck+0x274/0x990 block/blk-core.c:755
 submit_bio_noacct+0xdc0/0x186c block/blk-core.c:879
 submit_bio+0x3b4/0x550 block/blk-core.c:921
 write_dev_supers fs/btrfs/disk-io.c:3790 [inline]
 write_all_supers+0x2198/0x40d4 fs/btrfs/disk-io.c:4060
 btrfs_sync_log+0x17ac/0x21cc fs/btrfs/tree-log.c:3572
 btrfs_sync_file+0xa30/0xf78 fs/btrfs/file.c:1771
 vfs_fsync_range+0x160/0x19c fs/sync.c:188
 generic_write_sync include/linux/fs.h:2616 [inline]
 btrfs_do_write_iter+0x4a4/0x610 fs/btrfs/file.c:1470
 btrfs_file_write_iter+0x2c/0x3c fs/btrfs/file.c:1480
 do_iter_readv_writev+0x4bc/0x720 fs/read_write.c:-1
 vfs_writev+0x29c/0x7cc fs/read_write.c:1057
 do_pwritev fs/read_write.c:1153 [inline]
 __do_sys_pwritev2 fs/read_write.c:1211 [inline]
 __se_sys_pwritev2 fs/read_write.c:1202 [inline]
 __arm64_sys_pwritev2+0x1bc/0x2cc fs/read_write.c:1202
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596