linux-kernel - Re: [PATCH] slub: choose the right freelist pointer location when creating small caches

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:   Tue, 8 Jun 2021 19:06:45 +0000
From:   "Lin, Zhenpeng" <zplin@....edu>
To:     Kees Cook <keescook@...omium.org>
CC:     Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] slub: choose the right freelist pointer location when
 creating small caches

No problem. Just took a look and tested the patch, it looks good to me!

On 6/8/21, 2:41 PM, "Kees Cook" <keescook@...omium.org> wrote:

    On Tue, Jun 08, 2021 at 06:33:01PM +0000, Lin, Zhenpeng wrote:
    > There do exist objects whose size is smaller than 2*sizeof(void*). E.g. struct ccid in DCCP module.

    Yes, sorry, I meant sizeof(void *). I've sent an updated v4 series and
    CCed you. Are you able to test that and see if it fixes it for you too?

    Thanks for the push to dust this series off again! :)

    -Kees

    -- 
    Kees Cook