BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8922 Comm: syz.1.344 Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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:3858 [inline]
 validate_chain kernel/locking/lockdep.c:3879 [inline]
 __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5240
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5871
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162
 prepare_to_wait+0x6c/0x244 kernel/sched/wait.c:234
 __wait_on_bit kernel/sched/wait_bit.c:47 [inline]
 out_of_line_wait_on_bit+0x11c/0x1f0 kernel/sched/wait_bit.c:64
 wait_on_bit_io include/linux/wait_bit.h:105 [inline]
 wait_on_extent_buffer_writeback fs/btrfs/extent_io.h:264 [inline]
 btrfs_btree_wait_writeback_range+0x1ec/0x3f8 fs/btrfs/extent_io.c:2131
 __btrfs_wait_marked_extents+0x128/0x1f0 fs/btrfs/transaction.c:1199
 btrfs_wait_extents fs/btrfs/transaction.c:1216 [inline]
 btrfs_write_and_wait_transaction+0xf4/0x1e8 fs/btrfs/transaction.c:1266
 qgroup_account_snapshot+0x24c/0x3c8 fs/btrfs/transaction.c:1606
 create_pending_snapshot+0xb74/0x23b8 fs/btrfs/transaction.c:1854
 create_pending_snapshots+0x150/0x198 fs/btrfs/transaction.c:1925
 btrfs_commit_transaction+0xfec/0x2b44 fs/btrfs/transaction.c:2410
 create_snapshot+0x4f4/0x834 fs/btrfs/ioctl.c:782
 btrfs_mksubvol+0x44c/0x59c fs/btrfs/ioctl.c:936
 btrfs_mksnapshot+0xc0/0x150 fs/btrfs/ioctl.c:980
 __btrfs_ioctl_snap_create+0x310/0x3f0 fs/btrfs/ioctl.c:1245
 btrfs_ioctl_snap_create+0x138/0x178 fs/btrfs/ioctl.c:1273
 btrfs_ioctl+0x4b0/0xc3c fs/btrfs/ioctl.c:-1
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:893
 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596