linux-kernel - Re: [RFC PATCH 14/30] mm: prevent slabobj_ext allocations for slabobj_ext and kmem

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]

Message-ID: <YxFC9NSQ7OADTEwp@P9FQF9L96D.corp.robot.car>
Date:   Thu, 1 Sep 2022 16:40:36 -0700
From:   Roman Gushchin <roman.gushchin@...ux.dev>
To:     Suren Baghdasaryan <surenb@...gle.com>
Cc:     akpm@...ux-foundation.org, kent.overstreet@...ux.dev,
        mhocko@...e.com, vbabka@...e.cz, hannes@...xchg.org,
        mgorman@...e.de, dave@...olabs.net, willy@...radead.org,
        liam.howlett@...cle.com, void@...ifault.com, peterz@...radead.org,
        juri.lelli@...hat.com, ldufour@...ux.ibm.com, peterx@...hat.com,
        david@...hat.com, axboe@...nel.dk, mcgrof@...nel.org,
        masahiroy@...nel.org, nathan@...nel.org, changbin.du@...el.com,
        ytcoode@...il.com, vincent.guittot@...aro.org,
        dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
        bristot@...hat.com, vschneid@...hat.com, cl@...ux.com,
        penberg@...nel.org, iamjoonsoo.kim@....com, 42.hyeyoo@...il.com,
        glider@...gle.com, elver@...gle.com, dvyukov@...gle.com,
        shakeelb@...gle.com, songmuchun@...edance.com, arnd@...db.de,
        jbaron@...mai.com, rientjes@...gle.com, minchan@...gle.com,
        kaleshsingh@...gle.com, kernel-team@...roid.com,
        linux-mm@...ck.org, iommu@...ts.linux.dev,
        kasan-dev@...glegroups.com, io-uring@...r.kernel.org,
        linux-arch@...r.kernel.org, xen-devel@...ts.xenproject.org,
        linux-bcache@...r.kernel.org, linux-modules@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 14/30] mm: prevent slabobj_ext allocations for
 slabobj_ext and kmem_cache objects

On Tue, Aug 30, 2022 at 02:49:03PM -0700, Suren Baghdasaryan wrote:
> Use __GFP_NO_OBJ_EXT to prevent recursions when allocating slabobj_ext
> objects. Also prevent slabobj_ext allocations for kmem_cache objects.
> 
> Signed-off-by: Suren Baghdasaryan <surenb@...gle.com>

Patches 12-14 look good to me.
It's probably to early to ack anything, but otherwise I'd ack them.

Thanks!