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From: Herbert Xu <herbert@gondor.apana.org.au>
To: Yuran Pereira <yuran.pereira@hotmail.com>
Cc: x86@kernel.org, dave.hansen@linux.intel.com,
	linux-kernel@vger.kernel.org, Eric Biggers <ebiggers@kernel.org>,
	mingo@redhat.com, bp@alien8.de, linux-crypto@vger.kernel.org,
	hpa@zytor.com, tglx@linutronix.de,
	linux-kernel-mentees@lists.linuxfoundation.org,
	davem@davemloft.net
Subject: Re: [PATCH 0/7] crypto: Proper Initialization of `struct skcipher_walk` in x86 Glue Files
Date: Thu, 2 Nov 2023 13:00:20 +0800	[thread overview]
Message-ID: <ZUMs5C2FLQL4POO+@gondor.apana.org.au> (raw)
In-Reply-To: <DB3PR10MB683587925DA82E44BD8D5D6EE8A6A@DB3PR10MB6835.EURPRD10.PROD.OUTLOOK.COM>

On Thu, Nov 02, 2023 at 10:27:41AM +0530, Yuran Pereira wrote:
>
> I noticed that, but since skcipher_walk_first can return with failure, there seems
> to be a chance that those bits are never initialized.

The API is such that if an error is returned by walk_first/next,
then you must not call into the skcipher_walk_* functions again.

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
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      reply	other threads:[~2023-11-02  5:01 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-02  4:04 [PATCH 0/7] crypto: Proper Initialization of `struct skcipher_walk` in x86 Glue Files Yuran Pereira
2023-11-02  4:09 ` [PATCH 1/7] crypto: Fixes uninitialized skcipher_walk use in sm4_aesni_avx_glue Yuran Pereira
     [not found] ` <20231102040931.1556061-1-yuran.pereira@hotmail.com>
2023-11-02  4:09   ` [PATCH 2/7] crypto: Fixes uninitialized skcipher_walk use in des3_ede_glue Yuran Pereira
2023-11-02  4:09   ` [PATCH 3/7] crypto: Fixes uninitialized skcipher_walk use in chacha_glue Yuran Pereira
2023-11-02  4:09   ` [PATCH 4/7] crypto: Fixes uninitialized skcipher_walk use in aesni-intel_glue Yuran Pereira
2023-11-02  4:09   ` [PATCH 5/7] crypto: Fixes uninitialized skcipher_walk use in aria_aesni_avx2_glue Yuran Pereira
2023-11-02  4:09   ` [PATCH 6/7] crypto: Fixes uninitialized skcipher_walk use in aria_aesni_avx_glue Yuran Pereira
2023-11-02  4:09   ` [PATCH 7/7] crypto: Fixes uninitialized skcipher_walk use in aria_gfni_avx512_glue Yuran Pereira
2023-11-02  4:20 ` [PATCH 0/7] crypto: Proper Initialization of `struct skcipher_walk` in x86 Glue Files Eric Biggers
2023-11-02  4:30   ` Herbert Xu
2023-11-02  4:57     ` Yuran Pereira
2023-11-02  5:00       ` Herbert Xu [this message]

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