linux-kernel - Re: [PATCH v4] crypto: AF_ALG

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Date:   Fri, 12 Jan 2018 23:23:38 +1100
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Stephan Müller <smueller@...onox.de>
Cc:     syzbot 
        <bot+b6e703f648ebbbf57a4528d4314e0c2a5c893dc2@...kaller.appspotmail.com>,
        davem@...emloft.net, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        ebiggers3@...il.com
Subject: Re: [PATCH v4] crypto: AF_ALG - whitelist mask and type

On Tue, Jan 02, 2018 at 08:55:25AM +0100, Stephan Müller wrote:
> Hi,
> 
> sorry, I forgot the right tags.
> 
> ---8<---
> 
> The user space interface allows specifying the type and mask field used
> to allocate the cipher. Only a subset of the possible flags are intended
> for user space. Therefore, white-list the allowed flags.
> 
> In case the user space caller uses at least one non-allowed flag, EINVAL
> is returned.
> 
> Reported-by: syzbot <syzkaller@...glegroups.com>
> Cc: <stable@...r.kernel.org>
> Signed-off-by: Stephan Mueller <smueller@...onox.de>

Patch applied.  Thanks.
-- 
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