linux-kernel - Re: [PATCH v2 8/8] objtool: explicitly cleanup resources on success

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 30 Jan 2023 16:02:37 -0800
From:   Josh Poimboeuf <jpoimboe@...nel.org>
To:     Thomas Weißschuh <linux@...ssschuh.net>
Cc:     Peter Zijlstra <peterz@...radead.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 8/8] objtool: explicitly cleanup resources on success

On Tue, Dec 27, 2022 at 04:01:04PM +0000, Thomas Weißschuh wrote:
> Previously the file was only closed and resources properly freed on
> errors, not on normal exits.
> 
> Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
> ---
>  tools/objtool/builtin-check.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c
> index 7c175198d09f..e11c766b98ce 100644
> --- a/tools/objtool/builtin-check.c
> +++ b/tools/objtool/builtin-check.c
> @@ -229,5 +229,7 @@ int objtool_run(int argc, const char **argv)
>  	if (file->elf->changed)
>  		return elf_write(file->elf);
>  
> +	elf_close(file->elf);
> +
>  	return 0;

I'd rather not unless there's a real benefit to doing this, as it will
just slow down the exit.

-- 
Josh