Subject: Re: [PATCH] apply: don't leak fd on fdopen() error

From: Junio C Hamano <[email-masked]>
Date: Fri, 05 Apr 2024 10:09:12 -0700

René Scharfe <[email-masked]> writes:

> Signed-off-by: René Scharfe <[email-masked]>
> ---
>  apply.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/apply.c b/apply.c
> index 432837a674..1cfbc2f074 100644
> --- a/apply.c
> +++ b/apply.c
> @@ -4655,8 +4655,11 @@ static int write_out_one_reject(struct apply_state *state, struct patch *patch)
>  			return error_errno(_("cannot open %s"), namebuf);
>  	}
>  	rej = fdopen(fd, "w");
> -	if (!rej)
> -		return error_errno(_("cannot open %s"), namebuf);
> +	if (!rej) {
> +		error_errno(_("cannot open %s"), namebuf);
> +		close(fd);
> +		return -1;
> +	}

Ah, true, this fd is what we created in this function, and we should
close it.  Well spotted.

Will queue.

>
>  	/* Normal git tools never deal with .rej, so do not pretend
>  	 * this is a git patch by saying --git or giving extended
> --
> 2.44.0