linux-kernel - Re: KASAN: slab-use-after-free Read in cgroup_rstat

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: <2eatfmps723vwbvqgqppswny73axxgbmmkaseqjkg2hxojpwvr@3fn36fsfed6x>
Date: Tue, 22 Apr 2025 14:18:40 +0200
From: Michal Koutný <mkoutny@...e.com>
To: Penglei Jiang <superman.xpt@...il.com>
Cc: tj@...nel.org, cgroups@...r.kernel.org, hannes@...xchg.org, 
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, xnxc22xnxc22@...com
Subject: Re: KASAN: slab-use-after-free Read in cgroup_rstat_flush

On Sat, Apr 19, 2025 at 08:38:43AM -0700, Penglei Jiang <superman.xpt@...il.com> wrote:
> On Mon, 14 Apr 2025 07:42:30 -1000, tj <tj@...nel.org> wrote:
> 
> > Maybe another casualty of the bug fixed by a22b3d54de94 ("cgroup/cpuset: Fix
> > race between newly created partition and dying one")?
> 
> This issue was maybe caused by commit 093c8812de2d3, and was later fixed
> by commit 7d6c63c319142.

Ah, I overlooked that the original report is not for v6.14 but
f6e0150b2003 actually (correct?), so this is sensible in that context.

Does it mean you cannot attain the KASAN report post 7d6c63c319142?

Thanks,
Michal

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)