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From: Herbert Xu <herbert@gondor.apana.org.au>
To: Peter Enderborg <peter.enderborg@sony.com>
Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
	davem@davemloft.net, peter.enderborg@sony.com
Subject: Re: [PATCH] crypto: Mark tfm buffer as non leak.
Date: Fri, 4 Sep 2020 17:17:09 +1000	[thread overview]
Message-ID: <20200904071709.GA24539@gondor.apana.org.au> (raw)
In-Reply-To: <20200903134007.2769-1-peter.enderborg@sony.com>

Peter Enderborg <peter.enderborg@sony.com> wrote:
>
> This is caused by tfm = (struct crypto_tfm *)(mem + tfmsize);
> that is keept instead of the allocated buffer in mem.
> Reference counting is done on alg.

I don't understand why this is necessary.  We end up returning
mem in crypto_create_tfm_node and that is the primary means of
getting to the object.

The tfm pointer is just an internal thing.  So why do we have
to mark mem as not a leak?

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

      reply	other threads:[~2020-09-04  7:17 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-03 13:40 [PATCH] crypto: Mark tfm buffer as non leak Peter Enderborg
2020-09-04  7:17 ` Herbert Xu [this message]

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