BTRFS info (device loop2): turning on async discard
BTRFS info (device loop2): enabling free space tree
BTRFS info (device loop2): setting incompat feature flag for SIMPLE_QUOTA (0x10000)
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 8716 Comm: syz.2.282 Not tainted syzkaller #0 PREEMPT 
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 include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 add_root_to_dirty_list+0xb0/0x3e0 fs/btrfs/ctree.c:224
 btrfs_force_cow_block+0xc24/0x2058 fs/btrfs/ctree.c:569
 btrfs_cow_block+0x328/0x940 fs/btrfs/ctree.c:708
 btrfs_search_slot+0x96c/0x2228 fs/btrfs/ctree.c:2130
 btrfs_search_prev_slot fs/btrfs/free-space-tree.c:136 [inline]
 add_free_space_extent+0x22c/0xa18 fs/btrfs/free-space-tree.c:909
 __btrfs_add_to_free_space_tree+0x190/0x234 fs/btrfs/free-space-tree.c:1010
 btrfs_add_to_free_space_tree+0x11c/0x564 fs/btrfs/free-space-tree.c:1039
 do_free_extent_accounting fs/btrfs/extent-tree.c:3002 [inline]
 __btrfs_free_extent+0x1000/0x39bc fs/btrfs/extent-tree.c:3364
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1750 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1776 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1973 [inline]
 __btrfs_run_delayed_refs+0xb98/0x333c fs/btrfs/extent-tree.c:2048
 btrfs_run_delayed_refs+0xc4/0x38c fs/btrfs/extent-tree.c:2160
 btrfs_commit_transaction+0x218/0x2d30 fs/btrfs/transaction.c:2229
 create_snapshot fs/btrfs/ioctl.c:779 [inline]
 btrfs_mksubvol+0x94c/0xea0 fs/btrfs/ioctl.c:926
 btrfs_mksnapshot+0xb4/0x140 fs/btrfs/ioctl.c:968
 __btrfs_ioctl_snap_create+0x404/0x5b8 fs/btrfs/ioctl.c:1232
 btrfs_ioctl_snap_create+0x138/0x178 fs/btrfs/ioctl.c:1259
 btrfs_ioctl+0x4b0/0xc3c fs/btrfs/ioctl.c:-1
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:583
 __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