Re: [PATCH v3 1/1] psi: Fix uaf issue when psi trigger is destroyed while being polled

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To: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Subject: Re: [PATCH v3 1/1] psi: Fix uaf issue when psi trigger is destroyed while being polled
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 12 Jan 2022 10:03:33 -0800
Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, Eric Biggers <ebiggers@xxxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Zefan Li <lizefan.x@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Juri Lelli <juri.lelli@xxxxxxxxxx>, Vincent Guittot <vincent.guittot@xxxxxxxxxx>, Dietmar Eggemann <dietmar.eggemann@xxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Ben Segall <bsegall@xxxxxxxxxx>, Mel Gorman <mgorman@xxxxxxx>, Daniel Bristot de Oliveira <bristot@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, "open list:DOCUMENTATION" <linux-doc@xxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Cgroups <cgroups@xxxxxxxxxxxxxxx>, stable <stable@xxxxxxxxxxxxxxx>, Android Kernel Team <kernel-team@xxxxxxxxxxx>, syzbot <syzbot+cdb5dd11c97cc532efad@xxxxxxxxxxxxxxxxxxxxxxxxx>
In-reply-to: <Yd6niK1gzKc5lIJ8@hirez.programming.kicks-ass.net>
References: <20220111232309.1786347-1-surenb@google.com> <Yd6niK1gzKc5lIJ8@hirez.programming.kicks-ass.net>

On Wed, Jan 12, 2022 at 2:04 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> Thanks, I'll go stick this in sched/urgent unless Linus picks it up
> himself.

I'll let it go through the proper channels, it's not like a few days
or whatever will make a difference.

               Linus

References:
- [PATCH v3 1/1] psi: Fix uaf issue when psi trigger is destroyed while being polled
  - From: Suren Baghdasaryan
- Re: [PATCH v3 1/1] psi: Fix uaf issue when psi trigger is destroyed while being polled
  - From: Peter Zijlstra

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