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From: Stefan Roese <sr@denx.de>
To: Heinrich Schuchardt <xypron.glpk@gmx.de>, Tom Rini <trini@konsulko.com>
Cc: "Marek Behún" <marek.behun@nic.cz>,
	"Pali Rohár" <pali@kernel.org>,
	"Chris Packham" <judge.packham@gmail.com>,
	u-boot@lists.denx.de
Subject: Re: [PATCH 1/1] kwbimage: check return value of image_get_csk_index
Date: Wed, 1 Sep 2021 11:14:37 +0200	[thread overview]
Message-ID: <bca4c9a8-250c-e255-0938-5729793b493f@denx.de> (raw)
In-Reply-To: <20210817051158.13283-1-xypron.glpk@gmx.de>

On 17.08.21 07:11, Heinrich Schuchardt wrote:
> image_get_csk_index() may return -1 in case of an error. Don't use this
> value as index.
> 
> This resolves Coverity CID 338488
> Memory - illegal accesses  (NEGATIVE_RETURNS)
> 
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

Applied to u-boot-marvell/master

Thanks,
Stefan

> ---
>   tools/kwbimage.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/kwbimage.c b/tools/kwbimage.c
> index 2a10df773b..bf7fd135ac 100644
> --- a/tools/kwbimage.c
> +++ b/tools/kwbimage.c
> @@ -1087,7 +1087,7 @@ int kwb_sign_csk_with_kak(struct image_tool_params *params,
>   	int csk_idx = image_get_csk_index();
>   	struct sig_v1 tmp_sig;
> 
> -	if (csk_idx >= 16) {
> +	if (csk_idx < 0 || csk_idx > 15) {
>   		fprintf(stderr, "Invalid CSK index %d\n", csk_idx);
>   		return 1;
>   	}
> --
> 2.30.2
> 


Viele Grüße,
Stefan

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr@denx.de

      parent reply	other threads:[~2021-09-01  9:14 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-17  5:11 [PATCH 1/1] kwbimage: check return value of image_get_csk_index Heinrich Schuchardt
2021-08-17  6:47 ` Stefan Roese
2021-08-17  8:31 ` Pali Rohár
2021-09-01  9:14 ` Stefan Roese [this message]

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