BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 0 PID: 9632 Comm: syz.3.475 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114
 dump_stack+0x1c/0x28 lib/dump_stack.c:123
 lookup_chain_cache_add kernel/locking/lockdep.c:3816 [inline]
 validate_chain kernel/locking/lockdep.c:3837 [inline]
 __lock_acquire+0x1c58/0x763c kernel/locking/lockdep.c:5137
 lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5754
 seqcount_lockdep_reader_access+0xa0/0xd4 include/linux/seqlock.h:72
 read_seqbegin include/linux/seqlock.h:772 [inline]
 zone_span_seqbegin include/linux/memory_hotplug.h:151 [inline]
 page_outside_zone_boundaries mm/page_alloc.c:434 [inline]
 bad_range+0x9c/0x29c mm/page_alloc.c:453
 expand+0x70/0x204 mm/page_alloc.c:1332
 __rmqueue_smallest mm/page_alloc.c:1517 [inline]
 __rmqueue mm/page_alloc.c:2218 [inline]
 rmqueue_bulk mm/page_alloc.c:2244 [inline]
 __rmqueue_pcplist+0x500/0x2014 mm/page_alloc.c:2934
 rmqueue_pcplist mm/page_alloc.c:2976 [inline]
 rmqueue mm/page_alloc.c:3013 [inline]
 get_page_from_freelist+0x660/0x2d38 mm/page_alloc.c:3422
 __alloc_pages_noprof+0x220/0x6c0 mm/page_alloc.c:4683
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 alloc_slab_page+0x9c/0x164 mm/slub.c:2265
 allocate_slab+0x78/0x2f0 mm/slub.c:2428
 new_slab mm/slub.c:2481 [inline]
 ___slab_alloc+0x784/0xf38 mm/slub.c:3667
 __slab_alloc+0x74/0xd0 mm/slub.c:3757
 __slab_alloc_node mm/slub.c:3810 [inline]
 slab_alloc_node mm/slub.c:3990 [inline]
 kmem_cache_alloc_noprof+0x26c/0x350 mm/slub.c:4009
 alloc_extent_state+0x3c/0x3c0 fs/btrfs/extent-io-tree.c:170
 __set_extent_bit+0x200/0x1b34 fs/btrfs/extent-io-tree.c:1085
 set_extent_bit+0x54/0x6c fs/btrfs/extent-io-tree.c:1285
 btrfs_alloc_tree_block+0xa80/0x12b4 fs/btrfs/extent-tree.c:5150
 btrfs_force_cow_block+0x4c0/0x1a58 fs/btrfs/ctree.c:568
 btrfs_cow_block+0x318/0xa28 fs/btrfs/ctree.c:746
 btrfs_search_slot+0xba0/0x2a08
 btrfs_del_root+0x8c/0x13c fs/btrfs/root-tree.c:328
 btrfs_drop_snapshot+0x1030/0x1aec fs/btrfs/extent-tree.c:6020
 clean_dirty_subvols+0x200/0x328 fs/btrfs/relocation.c:1631
 relocate_block_group+0xab8/0xbac fs/btrfs/relocation.c:3815
 btrfs_relocate_block_group+0x5b8/0x9d0 fs/btrfs/relocation.c:4136
 btrfs_relocate_chunk+0x118/0x37c fs/btrfs/volumes.c:3373
 __btrfs_balance+0x1454/0x1db4 fs/btrfs/volumes.c:4157
 btrfs_balance+0xa38/0xe50 fs/btrfs/volumes.c:4534
 btrfs_ioctl_balance+0x3e4/0x6ec fs/btrfs/ioctl.c:3675
 btrfs_ioctl+0x70c/0xaec fs/btrfs/ioctl.c:4742
 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:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150
 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 loop3): found 10 extents, stage: move data extents
BTRFS info (device loop3): found 1 extents, stage: update data pointers
BTRFS info (device loop3): balance: ended with status: 0