linux-kernel - Re: [PATCH 1/3] sparc: Synchronize user stack on fork and clone

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Message-ID: <a5950b61a63677c789bc91d44357ff8226d3ef77.camel@physik.fu-berlin.de>
Date: Tue, 20 Jan 2026 08:57:16 +0100
From: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To: Ludwig Rydberg <ludwig.rydberg@...sler.com>, 
	kernel@...rcher.dialup.fu-berlin.de
Cc: sparclinux@...r.kernel.org, linux-kselftest@...r.kernel.org, 
	linux-kernel@...r.kernel.org, arnd@...db.de, geert@...ux-m68k.org, 
	schuster.simon@...mens-energy.com, davem@...emloft.net,
 andreas@...sler.com, 	brauner@...nel.org, shuah@...nel.org
Subject: Re: [PATCH 1/3] sparc: Synchronize user stack on fork and clone

Hi Ludwig,

On Mon, 2026-01-19 at 14:05 +0100, Ludwig Rydberg wrote:
> > > 
> > > I can therefore confirm that this patch fixes the bug.
> > > 
> > > Tested-by: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
> > 
> 
> Thank you for testing the patches. Appreciate it!
> 
> The test program from Michael was of great help when
> I analyzed the root cause. Thanks for sharing it on the list.

Credits go to Michael for digging the problem up during our last FOSDEM trip ;-).

> I'll send a new version of the series (this patch will however
> remain unchanged, so I'll pick up your test tag).
> If you have the possibility to re-run the clone3-tests on it
> would be great. Thanks!

Absolutely. Will report back later today!

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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