Re: [PATCH v3] sparse index: fix use-after-free bug in cache_tree_verify()

> -static void verify_one(struct repository *r,
> -		       struct index_state *istate,
> -		       struct cache_tree *it,
> -		       struct strbuf *path)
> +/*
> + * Returns:
> + *  0 - Verification completed.
> + *  1 - Restart verification - a call to ensure_full_index() freed the cache
> + *      tree that is being verified and verification needs to be restarted from
> + *      the new toplevel cache tree.
> + */
> +static int verify_one(struct repository *r,
> +		      struct index_state *istate,
> +		      struct cache_tree *it,
> +		      struct strbuf *path)
>   {
>   	int i, pos, len = path->len;
>   	struct strbuf tree_buf = STRBUF_INIT;