Please ignore this mail.

On Thu, Sep 19, 2019 at 11:47:10PM +0200, SZEDER Gábor wrote:
> The name_rev() function's 'tip_name' parameter is a freshly
> xstrdup()ed string, so when name_rev() invokes:
> 
>   tip_name = xstrfmt("%s^0", tip_name);
> 
> then the original 'tip_name' string is leaked.
> 
> Make sure that this string is free()d after it has been used as input
> for that xstrfmt() call.
> 
> This only happens when name_rev() is invoked with a tag, i.e.
> relatively infrequently in a usual repository, so any reduction in
> memory usage is lost in the noise.
> 
> Signed-off-by: SZEDER Gábor <szeder....@gmail.com>
> ---
>  builtin/name-rev.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/builtin/name-rev.c b/builtin/name-rev.c
> index e202835129..f867d45f0b 100644
> --- a/builtin/name-rev.c
> +++ b/builtin/name-rev.c
> @@ -101,18 +101,22 @@ static struct rev_name *create_or_update_name(struct 
> commit *commit,
>  }
>  
>  static void name_rev(struct commit *start_commit,
> -             const char *tip_name, timestamp_t taggerdate,
> +             const char *start_tip_name, timestamp_t taggerdate,
>               int from_tag, int deref)
>  {
>       struct commit_list *list = NULL;
> +     const char *tip_name;
>       char *to_free = NULL;
>  
>       parse_commit(start_commit);
>       if (start_commit->date < cutoff)
>               return;
>  
> -     if (deref)
> -             tip_name = to_free = xstrfmt("%s^0", tip_name);
> +     if (deref) {
> +             tip_name = to_free = xstrfmt("%s^0", start_tip_name);
> +             free((char*) start_tip_name);
> +     } else
> +             tip_name = start_tip_name;
>  
>       if (!create_or_update_name(start_commit, tip_name, taggerdate, 0, 0,
>                                  from_tag)) {
> -- 
> 2.23.0.331.g4e51dcdf11
> 

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