linux-kernel - Re: [RFC] LZO1X de/compression support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 18 May 2007 12:53:48 +0100
From:	Richard Purdie <richard@...nedhand.com>
To:	Nitin Gupta <nitingupta910@...il.com>
Cc:	Heikki Orsila <shdl@...alwe.fi>, linux-kernel@...r.kernel.org,
	"Markus F.X.J. Oberhumer" <markus@...rhumer.com>
Subject: Re: [RFC] LZO1X de/compression support

On Fri, 2007-05-18 at 16:57 +0530, Nitin Gupta wrote:
> On 5/18/07, Heikki Orsila <shdl@...alwe.fi> wrote:
> > Good work..
> >
> > On Fri, May 18, 2007 at 03:28:31PM +0530, Nitin Gupta wrote:
> > > Facts for LZO (at least for original code. Should hold true for this
> > > port also - hence the RFC!):
> > > - The compressor can never overrun buffer.
> > > - The "non-safe" version of decompressor can never overrun buffer if
> > > compressed data is unmodified. I am not sure about this if compressed
> > > data is malicious (to be confirmed from the author).
> > > - The "safe" version can never crash (buffer overrun etc.) - confirmed
> > > from the author.
> >
> > What's the proof?
> 
> I confirmned these from the author - I just ported this code. I think
> he can answer you better - CC'ed him  :-)

The thing is this is more your code now, not his and you should be able
to answer this question...

Regards,

Richard

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/