netdev - Re: [PATCH v2] crypto: virtio - Less function calls in __virtio_crypto_akcipher_do

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] [day] [month] [year] [list]

Message-ID: <ZbNzfR5wzrKarP4h@gondor.apana.org.au>
Date: Fri, 26 Jan 2024 16:55:25 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Markus Elfring <Markus.Elfring@....de>
Cc: kernel test robot <lkp@...el.com>, virtualization@...ts.linux.dev,
	linux-crypto@...r.kernel.org, kernel-janitors@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Gonglei <arei.gonglei@...wei.com>, Jason Wang <jasowang@...hat.com>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, llvm@...ts.linux.dev,
	oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, cocci@...ia.fr
Subject: Re: [PATCH v2] crypto: virtio - Less function calls in
 __virtio_crypto_akcipher_do_req() after error detection

On Tue, Dec 26, 2023 at 11:12:23AM +0100, Markus Elfring wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 26 Dec 2023 11:00:20 +0100
> 
> The kfree() function was called in up to two cases by the
> __virtio_crypto_akcipher_do_req() function during error handling
> even if the passed variable contained a null pointer.
> This issue was detected by using the Coccinelle software.
> 
> * Adjust jump targets.
> 
> * Delete two initialisations which became unnecessary
>   with this refactoring.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
> 
> v2:
> A typo was fixed for the delimiter of a label.
> 
>  drivers/crypto/virtio/virtio_crypto_akcipher_algs.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt