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Date: Tue, 16 Apr 2024 21:57:27 +0200
From: Christian Heusel <christian@...sel.eu>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Seth Jennings <sjenning@...hat.com>, Dan Streetman <ddstreet@...e.org>, 
	Vitaly Wool <vitaly.wool@...sulko.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, 
	David Runge <dave@...epmap.de>, "Richard W.M. Jones" <rjones@...hat.com>, 
	Mark W <instruform@...il.com>, regressions@...ts.linux.dev, 
	Johannes Weiner <hannes@...xchg.org>, Yosry Ahmed <yosryahmed@...gle.com>, 
	Nhat Pham <nphamcs@...il.com>, Chengming Zhou <chengming.zhou@...ux.dev>
Subject: Re: [REGRESSION] Null pointer dereference while shrinking zswap

On 24/04/16 12:18PM, Andrew Morton wrote:
> On Tue, 16 Apr 2024 14:19:24 +0200 Christian Heusel <christian@...sel.eu> wrote:
> > [  218.738568] CPU: 0 PID: 167 Comm: guestfsd Not tainted 6.7.0-rc4-1-mainline-00158-gb5ba474f3f51 #1 bf39861cf50acae7a79c534e25532f28afe4e593^M
>
> (cc more zswap people)
>
> Fairly old kernel.  We might have fixed it since then, but it would be
> good to know what fixed this, for backporting reasons.

Hey Andrew,

I guess you must have missed the end of my previous mail, I have
verified that the bug is still present with with the latest mainline
release and bisected the issue down to a few commits. The trace I was
posting above was just a random one from during the bisection.

Sorry if my formatting was a bit confusing .. :)

Cheers,
Christian

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