From: Sven Schmidt <4sschmid@informatik.uni-hamburg.de> Subject: Re: [PATCH v2 1/4] lib: Update LZ4 compressor module based on LZ4 v1.7.2. Date: Tue, 10 Jan 2017 10:21:16 +0100 Message-ID: <1484040076-5004-1-git-send-email-4sschmid@informatik.uni-hamburg.de> References: <20170108112542.GC12798@kroah.com> Cc: akpm@linux-foundation.org, bongkyu.kim@lge.com, rsalvaterra@gmail.com, sergey.senozhatsky@gmail.com, linux-kernel@vger.kernel.org, herbert@gondor.apana.org.au, davem@davemloft.net, linux-crypto@vger.kernel.org, anton@enomsg.org, ccross@android.com, keescook@chromium.org, tony.luck@intel.com, phillip@squashfs.org.uk, Sven Schmidt <4sschmid@informatik.uni-hamburg.de> To: gregkh@linuxfoundation.org Return-path: In-Reply-To: <20170108112542.GC12798@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org On 01/08/2017 12:25 PM, Greg KH 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. > Hi Greg, it doesn't. I didn't have that in mind until now. But I had a look at the related commits after I received your E-Mail and will review what I have to change (and, obviously, do the changes :)). Thanks, Sven