From: Herbert Xu <herbert@gondor.apana.org.au>
To: Marion & Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Longfang Liu <liulongfang@huawei.com>,
"David S. Miller" <davem@davemloft.net>,
Zaibo Xu <xuzaibo@huawei.com>,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
linux-crypto@vger.kernel.org
Subject: Re: [PATCH] crypto: hisilicon/hpre - Fix a erroneous check after snprintf()
Date: Tue, 5 Sep 2023 16:17:40 +0800 [thread overview]
Message-ID: <ZPbkJOPsx4as96D/@gondor.apana.org.au> (raw)
In-Reply-To: <00bdcfec-6cc1-e521-ceaa-d16d6341ca16@wanadoo.fr>
On Tue, Sep 05, 2023 at 07:27:47AM +0200, Marion & Christophe JAILLET wrote:
>
> Some debugfs dir of file way be left around. Is it what your are talking
> about?
Yes all allocated resources should be freed on the error path.
> > The other snprintf in the same file also looks suspect.
>
> It looks correct to me.
>
> And HPRE_DBGFS_VAL_MAX_LEN being 20, it doesn't really matter. The string
> can't be truncated with just a "%u\n".
Well if you're going to go with that line of reasoning then this
case ("cluster%d") can't overflow either, no?
Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2023-09-05 16:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-04 20:17 [PATCH] crypto: hisilicon/hpre - Fix a erroneous check after snprintf() Christophe JAILLET
2023-09-05 2:27 ` Herbert Xu
2023-09-05 5:27 ` Marion & Christophe JAILLET
2023-09-05 8:17 ` Herbert Xu [this message]
2023-09-06 2:04 ` liulongfang
2023-09-08 16:11 ` Christophe JAILLET
2023-09-11 1:52 ` liulongfang
2023-09-07 11:15 ` Dan Carpenter
2023-09-11 1:58 ` liulongfang
2023-09-11 7:27 ` Dan Carpenter
2023-09-12 6:39 ` Dan Carpenter
2023-09-12 10:05 ` Herbert Xu
2023-09-15 10:43 ` Herbert Xu
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