From: Horia Geanta <horia.geanta@nxp.com>
To: Herbert Xu <herbert@gondor.apana.org.au>,
Iuliana Prodan <iuliana.prodan@nxp.com>
Cc: Aymen Sghaier <aymen.sghaier@nxp.com>,
"David S. Miller" <davem@davemloft.net>,
"linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
dl-linux-imx <linux-imx@nxp.com>
Subject: Re: [PATCH v2 1/2] crypto: caam - fix pkcs1pad(rsa-caam, sha256) failure because of invalid input
Date: Thu, 23 May 2019 10:02:41 +0000 [thread overview]
Message-ID: <AM0PR0402MB3476BE4FE08AC135742D262998010@AM0PR0402MB3476.eurprd04.prod.outlook.com> (raw)
In-Reply-To: 20190523061202.ic2vgimgzvvm6dzc@gondor.apana.org.au
On 5/23/2019 9:12 AM, Herbert Xu wrote:
> On Wed, May 15, 2019 at 02:25:45PM +0300, Iuliana Prodan wrote:
>>
>> @@ -1058,6 +1105,14 @@ static int __init caam_pkc_init(void)
>> goto out_put_dev;
>> }
>>
>> + /* allocate zero buffer, used for padding input */
>> + zero_buffer = kzalloc(CAAM_RSA_MAX_INPUT_SIZE - 1, GFP_DMA |
>> + GFP_KERNEL);
>> + if (!zero_buffer) {
>> + err = -ENOMEM;
>> + goto out_put_dev;
>> + }
>> +
>> err = crypto_register_akcipher(&caam_rsa);
>> if (err)
>> dev_warn(ctrldev, "%s alg registration failed\n",
>
> This patch does not apply on top of the caam patch-series from Horia.
The patch was considered a fix, and thus developed on top of crypto-2.6.
I guess you are implicitly asking to resubmit based on cryptodev-2.6, correct?
> You're also going to leak zero_buffer if crypto_register_akcipher
> fails.
>
When crypto_register_akcipher fails, it merely prints a warning and falls
through (does not immediately return), thus there's no leak.
Thanks,
Horia
next prev parent reply other threads:[~2019-05-23 10:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-15 11:25 [PATCH v2 1/2] crypto: caam - fix pkcs1pad(rsa-caam, sha256) failure because of invalid input Iuliana Prodan
2019-05-15 11:25 ` [PATCH v2 2/2] crypto: caam - strip input without changing crypto request Iuliana Prodan
2019-05-15 12:59 ` Horia Geanta
2019-05-15 14:00 ` Iuliana Prodan
2019-05-15 12:45 ` [PATCH v2 1/2] crypto: caam - fix pkcs1pad(rsa-caam, sha256) failure because of invalid input Horia Geanta
2019-05-23 6:12 ` Herbert Xu
2019-05-23 8:08 ` Iuliana Prodan
2019-05-23 10:02 ` Horia Geanta [this message]
2019-05-23 12:38 ` Herbert Xu
2019-05-24 6:52 ` Horia Geanta
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