Marc-André Lureau <marcandre.lureau@xxxxxxxxx> writes:
> This is to avoid reaching free of uninitialized members.
>
> With an invalid .mailmap (and perhaps in other cases), it can reach
> free(mi->name) with garbage for example.
> ---
Sign-off?
Thanks. We might want to turn xmalloc() followed by memset(,0,) for the
allocation of the mailmap entry itself in the same function, but that is a
minor issue.
> mailmap.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/mailmap.c b/mailmap.c
> index 02fcfde..fbf7764 100644
> --- a/mailmap.c
> +++ b/mailmap.c
> @@ -88,7 +88,7 @@ static void add_mapping(struct string_list *map,
> me->email = xstrdup(new_email);
> }
> } else {
> - struct mailmap_info *mi = xmalloc(sizeof(struct mailmap_info));
> + struct mailmap_info *mi = xcalloc(1, sizeof(struct mailmap_info));
> debug_mm("mailmap: adding (complex) entry for %s at index %d\n", old_email, index);
> if (new_name)
> mi->name = xstrdup(new_name);
--
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