public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Al Viro <viro@zeniv.linux.org.uk>
To: Michal Hocko <mhocko@suse.com>
Cc: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] memcg_write_event_control(): fix a user-triggerable oops
Date: Fri, 26 Jul 2024 08:48:04 +0100	[thread overview]
Message-ID: <20240726074804.GE99483@ZenIV> (raw)
In-Reply-To: <ZqNMfL6JmgHCJwBv@tiehlicka>

On Fri, Jul 26, 2024 at 09:13:00AM +0200, Michal Hocko wrote:
> On Fri 26-07-24 09:06:59, Michal Hocko wrote:
> > On Fri 26-07-24 06:43:57, Al Viro wrote:
> > > We are *not* guaranteed that anything past the terminating NUL
> > > is mapped (let alone initialized with anything sane).
> > >     
> > 
> > Fixes: 0dea116876ee ("cgroup: implement eventfd-based generic API for notifications")
> > 
> > > Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
> > 
> > Acked-by: Michal Hocko <mhocko@suse.com>
> 
> Btw. this should be
> Cc: stable

Point, except that for -stable it needs to be applied to mm/memcontrol.c
instead...

  reply	other threads:[~2024-07-26  7:48 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-26  5:43 [PATCH] memcg_write_event_control(): fix a user-triggerable oops Al Viro
2024-07-26  7:06 ` Michal Hocko
2024-07-26  7:13   ` Michal Hocko
2024-07-26  7:48     ` Al Viro [this message]
2024-07-26  7:54       ` Michal Hocko

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20240726074804.GE99483@ZenIV \
    --to=viro@zeniv.linux.org.uk \
    --cc=cgroups@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mhocko@suse.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox