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charset="utf-8" From: Yang Chenzhi #syz test Reported-by: syzbot+005d2a9ecd9fbf525f6a@syzkaller.appspotmail.com Tested-by: syzbot+005d2a9ecd9fbf525f6a@syzkaller.appspotmail.com --- a/fs/hfsplus/bnode.c +++ b/fs/hfsplus/bnode.c @@ -522,6 +522,7 @@ static struct hfs_bnode *__hfs_bnode_create(struct hfs_= btree *tree, u32 cnid) tree->node_hash[hash] =3D node; tree->node_hash_cnt++; } else { + hfs_bnode_get(node2); spin_unlock(&tree->hash_lock); kfree(node); wait_event(node2->lock_wq, --=20 2.43.0