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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

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