BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 10447 Comm: syz.1.734 Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:319
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:326
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:119
 dump_stack+0x1c/0x28 lib/dump_stack.c:128
 lookup_chain_cache_add kernel/locking/lockdep.c:3815 [inline]
 validate_chain kernel/locking/lockdep.c:3836 [inline]
 __lock_acquire+0x1fa0/0x779c kernel/locking/lockdep.c:5142
 lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5759
 local_lock_acquire+0x3c/0x98 include/linux/local_lock_internal.h:29
 put_cpu_partial+0x64/0x1c0 mm/slub.c:3102
 get_partial_node+0x128/0x404 mm/slub.c:2762
 get_partial mm/slub.c:2850 [inline]
 ___slab_alloc+0x6f0/0xf38 mm/slub.c:3707
 __slab_alloc+0x74/0xd0 mm/slub.c:3817
 __slab_alloc_node mm/slub.c:3870 [inline]
 slab_alloc_node mm/slub.c:4029 [inline]
 kmem_cache_alloc_noprof+0x26c/0x350 mm/slub.c:4048
 add_delayed_ref+0x10c/0x18ac fs/btrfs/delayed-ref.c:1007
 btrfs_add_delayed_tree_ref+0x9c/0x110 fs/btrfs/delayed-ref.c:1066
 btrfs_alloc_tree_block+0xd18/0x12d4 fs/btrfs/extent-tree.c:5185
 btrfs_force_cow_block+0x4e4/0x1c9c fs/btrfs/ctree.c:573
 btrfs_cow_block+0x318/0xa28 fs/btrfs/ctree.c:754
 btrfs_search_slot+0xba0/0x2a08
 btrfs_update_root+0xec/0xa90 fs/btrfs/root-tree.c:144
 update_cowonly_root fs/btrfs/transaction.c:1302 [inline]
 commit_cowonly_roots+0x4e4/0x750 fs/btrfs/transaction.c:1369
 btrfs_commit_transaction+0x1170/0x2ba4 fs/btrfs/transaction.c:2448
 prepare_to_relocate+0x30c/0x3e8 fs/btrfs/relocation.c:3639
 relocate_block_group+0x130/0xb60 fs/btrfs/relocation.c:3664
 btrfs_relocate_block_group+0x574/0x98c fs/btrfs/relocation.c:4136
 btrfs_relocate_chunk+0x118/0x37c fs/btrfs/volumes.c:3374
 __btrfs_balance+0x1454/0x1db4 fs/btrfs/volumes.c:4158
 btrfs_balance+0xa38/0xe50 fs/btrfs/volumes.c:4535
 btrfs_ioctl_balance+0x3e4/0x778 fs/btrfs/ioctl.c:3675
 btrfs_ioctl+0x70c/0xaec fs/btrfs/ioctl.c:4786
 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/0x1c8 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+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
BTRFS info (device loop1): balance: canceled