BTRFS info (device loop6): using free space tree
BTRFS info (device loop6): rebuilding free space tree
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 6534 Comm: syz.6.429 Not tainted 6.1.123-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __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
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
 _raw_spin_lock_nested+0x5c/0x78 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline]
 raw_spin_rq_lock kernel/sched/sched.h:1355 [inline]
 rq_lock kernel/sched/sched.h:1645 [inline]
 __schedule+0x2c4/0x1d44 kernel/sched/core.c:6474
 schedule+0xc4/0x170 kernel/sched/core.c:6634
 btrfs_caching_ctl_wait_done+0x13c/0x268 fs/btrfs/block-group.c:463
 btrfs_cache_block_group+0x48c/0x688 fs/btrfs/block-group.c:810
 btrfs_update_block_group+0x204/0x9dc fs/btrfs/block-group.c:3428
 do_free_extent_accounting fs/btrfs/extent-tree.c:2858 [inline]
 __btrfs_free_extent+0xfc4/0x28c8 fs/btrfs/extent-tree.c:3190
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1681 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1705 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1954 [inline]
 __btrfs_run_delayed_refs+0xe14/0x3a90 fs/btrfs/extent-tree.c:2017
 btrfs_run_delayed_refs+0x13c/0x4c0 fs/btrfs/extent-tree.c:2148
 btrfs_commit_transaction+0x308/0x2cd4 fs/btrfs/transaction.c:2172
 btrfs_rebuild_free_space_tree+0x2e8/0x6dc fs/btrfs/free-space-tree.c:1338
 btrfs_start_pre_rw_mount+0x2cc/0x65c fs/btrfs/disk-io.c:3238
 open_ctree+0x1e40/0x2340 fs/btrfs/disk-io.c:3835
 btrfs_fill_super+0x1b4/0x2c8 fs/btrfs/super.c:1469
 btrfs_mount_root+0x6f8/0x7f8 fs/btrfs/super.c:1835
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 fc_mount fs/namespace.c:1043 [inline]
 vfs_kern_mount+0xdc/0x178 fs/namespace.c:1073
 btrfs_mount+0x330/0x9c8 fs/btrfs/super.c:1895
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x278/0x8fc fs/namespace.c:3056
 path_mount+0x590/0xe5c fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount fs/namespace.c:3584 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3584
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585