Re: [stable 4.4, 4.9, 4.14, 4.19 LTS] Missing fix "memcg: fix a crash in wb_workfn when a device disappears"

Subject: Re: [stable 4.4, 4.9, 4.14, 4.19 LTS] Missing fix "memcg: fix a crash in wb_workfn when a device disappears"
From: Sasha Levin <sashal@xxxxxxxxxx>
Date: Wed, 10 Feb 2021 13:30:33 -0500
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, stable <stable@xxxxxxxxxxxxxxx>, Theodore Tso <tytso@xxxxxxx>, linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, Chris Mason <clm@xxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, rostedt <rostedt@xxxxxxxxxxx>, Michael Jeanson <mjeanson@xxxxxxxxxxxx>
In-reply-to: <20210210180025.GE4035784@sasha-vm>

On Wed, Feb 10, 2021 at 01:00:25PM -0500, Sasha Levin wrote:

Looks like it doesn't apply due to churn with tracepoints, I think it's
fixable. Let me try and get something for <=4.19.


I've queued a backport of that patch (via two prereq patches), thanks!

--
Thanks,
Sasha

References:
- [stable 4.4, 4.9, 4.14, 4.19 LTS] Missing fix "memcg: fix a crash in wb_workfn when a device disappears"
  - From: Mathieu Desnoyers
- Re: [stable 4.4, 4.9, 4.14, 4.19 LTS] Missing fix "memcg: fix a crash in wb_workfn when a device disappears"
  - From: Greg KH
- Re: [stable 4.4, 4.9, 4.14, 4.19 LTS] Missing fix "memcg: fix a crash in wb_workfn when a device disappears"
  - From: Mathieu Desnoyers
- Re: [stable 4.4, 4.9, 4.14, 4.19 LTS] Missing fix "memcg: fix a crash in wb_workfn when a device disappears"
  - From: Sasha Levin