BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 PID: 5945 Comm: kworker/u9:1 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: bcachefs bch2_write_point_do_index_updates 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 rht_lock+0x18c/0x1b0 include/linux/rhashtable.h:333 __rhashtable_insert_fast include/linux/rhashtable.h:732 [inline] rhashtable_lookup_insert_fast include/linux/rhashtable.h:914 [inline] __bch2_btree_node_hash_insert+0x380/0xe28 fs/bcachefs/btree_cache.c:182 bch2_btree_node_hash_insert+0x8c/0x194 fs/bcachefs/btree_cache.c:198 bch2_btree_node_alloc+0x484/0xd9c fs/bcachefs/btree_update_interior.c:423 bch2_btree_node_alloc_replacement+0xf4/0x904 fs/bcachefs/btree_update_interior.c:448 btree_split+0x1530/0x4c84 fs/bcachefs/btree_update_interior.c:1662 bch2_btree_split_leaf+0x148/0x734 fs/bcachefs/btree_update_interior.c:1857 bch2_trans_commit_error+0x2a4/0x1068 fs/bcachefs/btree_trans_commit.c:918 __bch2_trans_commit+0x35e4/0x592c fs/bcachefs/btree_trans_commit.c:1138 bch2_trans_commit fs/bcachefs/btree_update.h:170 [inline] bch2_extent_update+0x3d0/0x9b4 fs/bcachefs/io_write.c:326 bch2_write_index_default fs/bcachefs/io_write.c:374 [inline] __bch2_write_index+0x6b4/0x1324 fs/bcachefs/io_write.c:527 bch2_write_point_do_index_updates+0x288/0x560 fs/bcachefs/io_write.c:636 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3248 process_scheduled_works kernel/workqueue.c:3329 [inline] worker_thread+0x938/0xecc kernel/workqueue.c:3409 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860