linux-kernel - Re: [PATCH v2 1/4] lib: Update LZ4 compressor module based on LZ4 v1.7.2.

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Date:   Sun, 8 Jan 2017 11:33:42 +0000
From:   Rui Salvaterra <rsalvaterra@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Sven Schmidt <4sschmid@...ormatik.uni-hamburg.de>,
        akpm@...ux-foundation.org, bongkyu.kim@....com,
        sergey.senozhatsky@...il.com, linux-kernel@...r.kernel.org,
        herbert@...dor.apana.org.au, davem@...emloft.net,
        linux-crypto@...r.kernel.org, anton@...msg.org, ccross@...roid.com,
        keescook@...omium.org, tony.luck@...el.com, phillip@...ashfs.org.uk
Subject: Re: [PATCH v2 1/4] lib: Update LZ4 compressor module based on LZ4 v1.7.2.

On 8 January 2017 at 11:25, Greg KH <gregkh@...uxfoundation.org> wrote:
> On Sat, Jan 07, 2017 at 05:55:42PM +0100, Sven Schmidt wrote:
>> This patch updates LZ4 kernel module to LZ4 v1.7.2 by Yann Collet.
>> The kernel module is inspired by the previous work by Chanho Min.
>> The updated LZ4 module will not break existing code since there were alias
>> methods added to ensure backwards compatibility.
>
> Meta-comment.  Does this update include all of the security fixes that
> we have made over the past few years to the lz4 code?  I don't want to
> be adding back insecure functions that will cause us problems.
>
> Specifically look at the changes I made in 2014 in this directory for an
> example of what I am talking about here.
>
> thanks,
>
> greg k-h

Also, this series must be tested on big endian, to make sure the last
fixes we made don't regress.


Thanks,

Rui