netdev - Re: [PATCH 01/39] memcg_write_event_control(): fix a user-triggerable oops

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: <ZqiYV8ra3LKqbwTy@tiehlicka>
Date: Tue, 30 Jul 2024 09:37:59 +0200
From: Michal Hocko <mhocko@...e.com>
To: Al Viro <viro@...iv.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc: viro@...nel.org, linux-fsdevel@...r.kernel.org, amir73il@...il.com,
	bpf@...r.kernel.org, brauner@...nel.org, cgroups@...r.kernel.org,
	kvm@...r.kernel.org, netdev@...r.kernel.org,
	torvalds@...ux-foundation.org
Subject: Re: [PATCH 01/39] memcg_write_event_control(): fix a
 user-triggerable oops

I think it can go through Andrew as well. The patch is 
https://lore.kernel.org/all/20240730051625.14349-1-viro@kernel.org/T/#u

On Tue 30-07-24 08:18:51, Al Viro wrote:
> On Tue, Jul 30, 2024 at 09:13:38AM +0200, Michal Hocko wrote:
> > On Tue 30-07-24 01:15:47, viro@...nel.org wrote:
> > > From: Al Viro <viro@...iv.linux.org.uk>
> > > 
> > > we are *not* guaranteed that anything past the terminating NUL
> > > is mapped (let alone initialized with anything sane).
> > > 
> > > [the sucker got moved in mainline]
> > > 
> > 
> > You could have preserved
> > Fixes: 0dea116876ee ("cgroup: implement eventfd-based generic API for notifications")
> > Cc: stable
> > 
> > > Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
> > 
> > and
> > Acked-by: Michal Hocko <mhocko@...e.com>
> 
> Will do; FWIW, I think it would be better off going via the
> cgroup tree - it's completely orthogonal to the rest of the
> series, the only relation being "got caught during the same
> audit"...

-- 
Michal Hocko
SUSE Labs