BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 6342 Comm: kworker/u4:16 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: loop2 loop_workfn
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b64/0x7638 kernel/locking/lockdep.c:5012
 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623
 _raw_spin_lock_nested+0xb4/0x110 kernel/locking/spinlock.c:368
 raw_spin_rq_lock_nested kernel/sched/core.c:475 [inline]
 raw_spin_rq_lock kernel/sched/sched.h:1326 [inline]
 rq_lock kernel/sched/sched.h:1621 [inline]
 __schedule+0x328/0x1e48 kernel/sched/core.c:6289
 preempt_schedule_common+0x140/0x260 kernel/sched/core.c:6551
 preempt_schedule+0x64/0x84 kernel/sched/core.c:6576
 blk_mq_raise_softirq block/blk-mq.c:653 [inline]
 blk_mq_complete_request_remote+0x464/0x568 block/blk-mq.c:673
 blk_mq_complete_request+0x24/0xa8 block/blk-mq.c:689
 loop_handle_cmd drivers/block/loop.c:2251 [inline]
 loop_process_work+0x177c/0x2798 drivers/block/loop.c:2274
 loop_workfn+0x54/0x68 drivers/block/loop.c:2298
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870