From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Andy Lutomirski <luto@kernel.org>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
sfrench@samba.org
Cc: Eric Biggers <ebiggers3@gmail.com>,
linux-crypto@vger.kernel.org,
Herbert Xu <herbert@gondor.apana.org.au>,
Stephan Mueller <smueller@chronox.de>,
linux-cifs@vger.kernel.org
Subject: Re: [PATCH] cifs: Fix smbencrypt() to stop pointing a scatterlist at the stack
Date: Tue, 13 Dec 2016 14:40:17 +0300 [thread overview]
Message-ID: <74b22139-4583-5bab-3916-4a32db81803e@cogentembedded.com> (raw)
In-Reply-To: <308cdb484648f98f6f0ad9feefd8acb2fe003aaf.1481575835.git.luto@kernel.org>
Hello!
On 12/12/2016 11:54 PM, Andy Lutomirski wrote:
> smbencrypt() points a scatterlist to the stack, which is breaks if
s/is//.
> CONFIG_VMAP_STACK=y.
>
> Fix it by switching to crypto_cipher_encrypt_one(). The new code
> should be considerably faster as an added benefit.
>
> This code is nearly identical to some code that Eric Biggers
> suggested.
>
> Cc: stable@vger.kernel.org # 4.9 only
> Reported-by: Eric Biggers <ebiggers3@gmail.com>
> Signed-off-by: Andy Lutomirski <luto@kernel.org>
[...]
MBR, Sergei
next prev parent reply other threads:[~2016-12-13 11:40 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-12 20:52 [PATCH] wusbcore: Fix one more crypto-on-the-stack bug Andy Lutomirski
2016-12-12 20:53 ` [PATCH] keys/encrypted: Fix two crypto-on-the-stack bugs Andy Lutomirski
2016-12-13 12:20 ` David Laight
2016-12-13 16:40 ` Andy Lutomirski
2016-12-14 16:58 ` Joerg Roedel
2016-12-13 16:45 ` David Howells
2016-12-13 17:02 ` Andy Lutomirski
2016-12-13 20:02 ` David Howells
2016-12-12 20:54 ` [PATCH] cifs: Fix smbencrypt() to stop pointing a scatterlist at the stack Andy Lutomirski
2016-12-13 11:40 ` Sergei Shtylyov [this message]
2016-12-13 13:07 ` Jeff Layton
2016-12-14 8:19 ` Steve French
2016-12-12 20:55 ` [PATCH] crypto: Make a few drivers depend on !VMAP_STACK Andy Lutomirski
2016-12-13 3:42 ` Herbert Xu
2016-12-12 20:55 ` [PATCH] orinoco: Use shash instead of ahash for MIC calculations Andy Lutomirski
2016-12-13 7:54 ` Eric Biggers
2016-12-13 11:35 ` Kalle Valo
2016-12-13 16:41 ` Andy Lutomirski
2016-12-13 17:03 ` Kalle Valo
2016-12-30 11:34 ` Kalle Valo
2016-12-30 12:02 ` Kalle Valo
2016-12-30 12:15 ` Kalle Valo
2016-12-12 21:44 ` [PATCH] wusbcore: Fix one more crypto-on-the-stack bug Greg KH
2016-12-12 23:57 ` Andy Lutomirski
2016-12-12 22:28 ` [PATCH] keys/encrypted: Fix two crypto-on-the-stack bugs David Howells
2016-12-13 0:32 ` Andy Lutomirski
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