BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 8523 Comm: syz.3.378 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
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+0x14c/0x2e0 kernel/locking/lockdep.c:5868
 do_write_seqcount_begin_nested include/linux/seqlock.h:477 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:503 [inline]
 psi_write_begin+0x1b0/0x320 kernel/sched/psi.c:183
 psi_account_irqtime+0x20c/0x688 kernel/sched/psi.c:1030
 __schedule+0x8e0/0x2864 kernel/sched/core.c:6954
 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7145
 preempt_schedule+0x60/0x80 kernel/sched/core.c:7169
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
 _raw_spin_unlock_irq+0x7c/0x80 kernel/locking/spinlock.c:202
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 loop_queue_work drivers/block/loop.c:863 [inline]
 loop_queue_rq+0x94c/0xaa8 drivers/block/loop.c:1887
 __blk_mq_issue_directly block/blk-mq.c:2695 [inline]
 blk_mq_request_issue_directly+0x2c0/0x560 block/blk-mq.c:2782
 blk_mq_issue_direct+0x254/0x558 block/blk-mq.c:2803
 blk_mq_dispatch_queue_requests+0x568/0x674 block/blk-mq.c:2878
 blk_mq_flush_plug_list+0x370/0x488 block/blk-mq.c:2961
 __blk_flush_plug+0x330/0x408 block/blk-core.c:1220
 blk_finish_plug block/blk-core.c:1247 [inline]
 __submit_bio+0x3f4/0x4d8 block/blk-core.c:649
 __submit_bio_noacct_mq block/blk-core.c:722 [inline]
 submit_bio_noacct_nocheck+0x390/0xaac block/blk-core.c:751
 submit_bio_noacct+0xc94/0x177c block/blk-core.c:874
 submit_bio+0x3b4/0x550 block/blk-core.c:916
 submit_bh_wbc+0x3ec/0x4bc fs/buffer.c:2824
 submit_bh fs/buffer.c:2829 [inline]
 __sync_dirty_buffer+0x174/0x304 fs/buffer.c:2867
 sync_dirty_buffer+0x24/0x34 fs/buffer.c:2880
 __ext4_handle_dirty_metadata+0x238/0x6fc fs/ext4/ext4_jbd2.c:391
 ext4_alloc_branch fs/ext4/indirect.c:385 [inline]
 ext4_ind_map_blocks+0x10f4/0x1c2c fs/ext4/indirect.c:635
 ext4_map_create_blocks fs/ext4/inode.c:611 [inline]
 ext4_map_blocks+0x6a4/0x14a8 fs/ext4/inode.c:811
 _ext4_get_block+0x19c/0x4e0 fs/ext4/inode.c:910
 ext4_get_block+0x4c/0x60 fs/ext4/inode.c:927
 ext4_block_write_begin+0x7ac/0x1328 fs/ext4/inode.c:1198
 ext4_write_begin+0x928/0x14fc fs/ext4/ext4_jbd2.h:-1
 ext4_da_write_begin+0x28c/0xc28 fs/ext4/inode.c:3129
 generic_perform_write+0x244/0x7bc mm/filemap.c:4175
 ext4_buffered_write_iter+0x2b8/0x528 fs/ext4/file.c:299
 ext4_file_write_iter+0x1d8/0x1864 fs/ext4/file.c:-1
 do_iter_readv_writev+0x4c0/0x724 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+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596