linux-kernel - Re: [PATCH v2 1/2] crypto: caam - fix pkcs1pad(rsa-caam, sha256) failure because of invalid input

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Date:   Thu, 23 May 2019 20:38:13 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Horia Geanta <horia.geanta@....com>
Cc:     Iuliana Prodan <iuliana.prodan@....com>,
        Aymen Sghaier <aymen.sghaier@....com>,
        "David S. Miller" <davem@...emloft.net>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH v2 1/2] crypto: caam - fix pkcs1pad(rsa-caam, sha256)
 failure because of invalid input

On Thu, May 23, 2019 at 10:02:41AM +0000, Horia Geanta wrote:
>
> When crypto_register_akcipher fails, it merely prints a warning and falls
> through (does not immediately return), thus there's no leak.

How can this work? Wouldn't the exit path then unregister a bunch of
unregistered algorithms and crash?

Cheers,
-- 
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