linux-kernel - Re: [PATCH] mpi: Avoid using freed pointer in mpi_lshift

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] [day] [month] [year] [list]

Message-ID: <CALLzPKbgYA+A-9rro-8T4t6CHH3v12cBiyB8fQt9no5F2LVkXA@mail.gmail.com>
Date:	Mon, 16 Apr 2012 08:34:45 +0300
From:	"Kasatkin, Dmitry" <dmitry.kasatkin@...el.com>
To:	Jesper Juhl <jj@...osbits.net>
Cc:	James Morris <jmorris@...ei.org>, linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH] mpi: Avoid using freed pointer in mpi_lshift_limbs()

On Sat, Apr 14, 2012 at 11:32 PM, Jesper Juhl <jj@...osbits.net> wrote:
> On Sat, 14 Apr 2012, James Morris wrote:
>
>> On Thu, 12 Apr 2012, Kasatkin, Dmitry wrote:
>>
>> > >> >> Signed-off-by: Jesper Juhl <jj@...osbits.net>
>> > >> >> ---
>> > >> >>  lib/mpi/mpi-bit.c |    5 +++--
>> > >> >>  1 files changed, 3 insertions(+), 2 deletions(-)
>> > >> >>
>> > >> >>  only compile tested.
>>
>> > That is of course correct.
>> >
>> > James, can you please apply this patch to security fixes?
>> >
>> >  Acked-by: Dmitry Kasatkin <dmitry.kasatkin@...el.com>
>> >
>> > - Dmitry
>>
>> Has this patch been tested?
>>
> Personally I don't really have a way to test it properly, so the only
> testing I've personally done is to check that it compiles.
>

It works...
In fact there are few other places in the code which take pointer
after re-sizing...

- Dmitry

> --
> Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
> Don't top-post http://www.catb.org/jargon/html/T/top-post.html
> Plain text mails only, please.
--
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/