BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 4077 Comm: kworker/u5:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Workqueue: hci51 hci_power_on
Call trace:
 dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c 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+0x1b30/0x651c kernel/locking/lockdep.c:5012
 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623
 seqcount_lockdep_reader_access include/linux/seqlock.h:103 [inline]
 read_seqbegin+0x190/0x304 include/linux/seqlock.h:897
 d_alloc_parallel+0x31c/0x11d4 fs/dcache.c:2594
 __lookup_slow+0x104/0x380 fs/namei.c:1656
 lookup_one_len+0x178/0x28c fs/namei.c:2726
 start_creating+0x19c/0x2e0 fs/debugfs/inode.c:354
 __debugfs_create_file+0x78/0x438 fs/debugfs/inode.c:399
 debugfs_create_file+0x60/0x78 fs/debugfs/inode.c:461
 hci_debugfs_create_basic net/bluetooth/hci_core.c:180 [inline]
 __hci_init+0xd8/0x28c net/bluetooth/hci_core.c:920
 hci_dev_do_open+0x798/0x1000 net/bluetooth/hci_core.c:1581
 hci_power_on+0x13c/0x650 net/bluetooth/hci_core.c:2265
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:856