linux-kernel - Re: [PATCH v2] crypto: sm2

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: <20210611072335.GG23016@gondor.apana.org.au>
Date:   Fri, 11 Jun 2021 15:23:35 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Hongbo Li <herbert.tencent@...il.com>
Cc:     keyrings@...r.kernel.org, linux-crypto@...r.kernel.org,
        ebiggers@...nel.org, dhowells@...hat.com, jarkko@...nel.org,
        tianjia.zhang@...ux.alibaba.com, herberthbli@...cent.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] crypto: sm2 - fix a memory leak in sm2

On Fri, Jun 04, 2021 at 02:30:35PM +0800, Hongbo Li wrote:
> From: Hongbo Li <herberthbli@...cent.com>
> 
> SM2 module alloc ec->Q in sm2_set_pub_key(), when doing alg test in
> test_akcipher_one(), it will set public key for every test vector,
> and don't free ec->Q. This will cause a memory leak.
> 
> This patch alloc ec->Q in sm2_ec_ctx_init().
> 
> Fixes: ea7ecb66440b ("crypto: sm2 - introduce OSCCA SM2 asymmetric cipher algorithm")
> Signed-off-by: Hongbo Li <herberthbli@...cent.com>
> Reviewed-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
> ---
>  crypto/sm2.c | 24 ++++++++++--------------
>  1 file changed, 10 insertions(+), 14 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