linux-kernel - Re: [PATCH v4 00/12] mm/kasan: make kasan=on|off work for all three modes

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Message-ID: <aUygzzVSqg52TANl@MiWiFi-R3L-srv>
Date: Thu, 25 Dec 2025 10:26:23 +0800
From: Baoquan He <bhe@...hat.com>
To: Andrey Ryabinin <ryabinin.a.a@...il.com>
Cc: Andrey Konovalov <andreyknvl@...il.com>, linux-mm@...ck.org,
	glider@...gle.com, dvyukov@...gle.com, vincenzo.frascino@....com,
	akpm@...ux-foundation.org, kasan-dev@...glegroups.com,
	linux-kernel@...r.kernel.org, kexec@...ts.infradead.org,
	elver@...gle.com, sj@...nel.org, lorenzo.stoakes@...cle.com,
	snovitoll@...il.com, christophe.leroy@...roup.eu
Subject: Re: [PATCH v4 00/12] mm/kasan: make kasan=on|off work for all three
 modes

On 12/24/25 at 01:25pm, Andrey Ryabinin wrote:
> 
> 
> On 12/24/25 4:28 AM, Baoquan He wrote:
> > Hi Andrey,
> > 
> > On 12/04/25 at 05:38pm, Andrey Konovalov wrote:
> >> On Fri, Nov 28, 2025 at 4:33 AM Baoquan He <bhe@...hat.com> wrote:
> >>>
> > ...snip...
> >>> Testing:
> >>> ========
> >>> - Testing on x86_64 and arm64 for generic mode passed when kasan=on or
> >>>   kasan=off.
> >>>
> >>> - Testing on arm64 with sw_tags mode passed when kasan=off is set. But
> >>>   when I tried to test sw_tags on arm64, the system bootup failed. It's
> >>>   not introduced by my patchset, the original code has the bug. I have
> >>>   reported it to upstream.
> >>>   - System is broken in KASAN sw_tags mode during bootup
> >>>     - https://lore.kernel.org/all/aSXKqJTkZPNskFop@MiWiFi-R3L-srv/T/#u
> >>
> >> This will hopefully be fixed soon, so you'll be able to test.
> > 
> > Do you have the patch link of the fix on sw_tags breakage?
> 
> I think this one  should fix it - https://lkml.kernel.org/r/cover.1765978969.git.m.wieczorretman@pm.me

Awesome, let me apply them and test. Many thanks.