BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 8533 Comm: syz.6.260 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
 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline]
 _raw_read_lock+0x58/0x74 kernel/locking/spinlock.c:228
 block_group_cache_tree_search+0x40/0x26c fs/btrfs/block-group.c:237
 btrfs_lookup_block_group+0x2c/0x3c fs/btrfs/block-group.c:282
 btrfs_add_to_free_space_tree+0xec/0x554 fs/btrfs/free-space-tree.c:1039
 do_free_extent_accounting fs/btrfs/extent-tree.c:3003 [inline]
 __btrfs_free_extent+0x10c0/0x3b70 fs/btrfs/extent-tree.c:3372
 run_one_delayed_ref fs/btrfs/extent-tree.c:-1 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1972 [inline]
 __btrfs_run_delayed_refs+0xbac/0x377c fs/btrfs/extent-tree.c:2047
 btrfs_run_delayed_refs+0xc4/0x394 fs/btrfs/extent-tree.c:2159
 btrfs_commit_transaction+0x200/0x2ce4 fs/btrfs/transaction.c:2214
 create_snapshot+0x588/0x9fc fs/btrfs/ioctl.c:782
 btrfs_mksubvol+0x43c/0x5a4 fs/btrfs/ioctl.c:934
 btrfs_mksnapshot+0xb4/0x140 fs/btrfs/ioctl.c:978
 __btrfs_ioctl_snap_create+0x404/0x5b8 fs/btrfs/ioctl.c:1242
 btrfs_ioctl_snap_create+0x14c/0x18c fs/btrfs/ioctl.c:1269
 btrfs_ioctl+0x4b0/0xc3c fs/btrfs/ioctl.c:-1
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl fs/ioctl.c:584 [inline]
 __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:584
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 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