BTRFS info (device loop1): using blake2b (blake2b-256-generic) checksum algorithm
BTRFS info (device loop1): turning on sync discard
BTRFS info (device loop1): using free space tree
BTRFS info (device loop1): enabling ssd optimizations
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 14400 Comm: syz-executor.1 Not tainted 6.1.33-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
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:3779 [inline]
 validate_chain kernel/locking/lockdep.c:3800 [inline]
 __lock_acquire+0x1b8c/0x764c kernel/locking/lockdep.c:5056
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5669
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:350 [inline]
 rmqueue_bulk mm/page_alloc.c:3132 [inline]
 __rmqueue_pcplist+0x214/0x21b4 mm/page_alloc.c:3758
 rmqueue_pcplist mm/page_alloc.c:3804 [inline]
 rmqueue mm/page_alloc.c:3847 [inline]
 get_page_from_freelist+0x6d0/0x31f0 mm/page_alloc.c:4289
 __alloc_pages+0x220/0x730 mm/page_alloc.c:5559
 alloc_pages+0x4bc/0x7c0
 folio_alloc+0x28/0x6c mm/mempolicy.c:2290
 filemap_alloc_folio+0xc4/0x4a4 mm/filemap.c:971
 __filemap_get_folio+0x704/0xb6c mm/filemap.c:1965
 pagecache_get_page+0x3c/0x16c mm/folio-compat.c:110
 find_or_create_page include/linux/pagemap.h:613 [inline]
 alloc_extent_buffer+0x214/0x114c fs/btrfs/extent_io.c:4613
 btrfs_find_create_tree_block+0x3c/0x50 fs/btrfs/disk-io.c:922
 btrfs_init_new_buffer fs/btrfs/extent-tree.c:4866 [inline]
 btrfs_alloc_tree_block+0x21c/0x1478 fs/btrfs/extent-tree.c:4985
 __btrfs_cow_block+0x3f4/0x16f0 fs/btrfs/ctree.c:433
 btrfs_cow_block+0x354/0x7dc fs/btrfs/ctree.c:588
 btrfs_search_slot+0xb7c/0x2948
 btrfs_search_prev_slot fs/btrfs/free-space-tree.c:135 [inline]
 remove_free_space_extent fs/btrfs/free-space-tree.c:727 [inline]
 __remove_from_free_space_tree fs/btrfs/free-space-tree.c:822 [inline]
 remove_from_free_space_tree+0x480/0xe00 fs/btrfs/free-space-tree.c:851
 alloc_reserved_extent+0x5c/0x438 fs/btrfs/extent-tree.c:4640
 alloc_reserved_tree_block fs/btrfs/extent-tree.c:4791 [inline]
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1670 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1699 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1948 [inline]
 __btrfs_run_delayed_refs+0x16d4/0x3aa4 fs/btrfs/extent-tree.c:2011
 btrfs_run_delayed_refs+0x13c/0x4c0 fs/btrfs/extent-tree.c:2142
 btrfs_commit_transaction+0x308/0x2cd4 fs/btrfs/transaction.c:2136
 btrfs_sync_file+0xac0/0xfb8 fs/btrfs/file.c:1988
 vfs_fsync_range+0x168/0x188 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2897 [inline]
 btrfs_do_write_iter+0xa64/0xf20 fs/btrfs/file.c:1673
 btrfs_file_write_iter+0x2c/0x3c fs/btrfs/file.c:1687
 do_iter_write+0x534/0x964 fs/read_write.c:861
 vfs_iter_write+0x88/0xac fs/read_write.c:902
 iter_file_splice_write+0x618/0xc48 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0xe4/0x1c0 fs/splice.c:931
 splice_direct_to_actor+0x3c4/0x944 fs/splice.c:886
 do_splice_direct+0x1f4/0x334 fs/splice.c:974
 do_sendfile+0x4bc/0xc70 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64 fs/read_write.c:1309 [inline]
 __arm64_sys_sendfile64+0x160/0x3b4 fs/read_write.c:1309
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 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:581