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Message-ID: <b65bd540eae2e593f6d9eb21b6c7d9a06a2809fb.camel@sipsolutions.net>
Subject: Re: [PATCH v2 2/2] UML: add support for KASAN under x86_64
From:   Johannes Berg <johannes@sipsolutions.net>
To:     David Gow <davidgow@google.com>,
        Vincent Whitchurch <vincent.whitchurch@axis.com>,
        Patricia Alfonso <trishalfonso@google.com>,
        Jeff Dike <jdike@addtoit.com>,
        Richard Weinberger <richard@nod.at>,
        anton.ivanov@cambridgegreys.com,
        Dmitry Vyukov <dvyukov@google.com>,
        Brendan Higgins <brendanhiggins@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Andrey Konovalov <andreyknvl@gmail.com>,
        Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc:     kasan-dev <kasan-dev@googlegroups.com>,
        linux-um@lists.infradead.org, LKML <linux-kernel@vger.kernel.org>,
        Daniel Latypov <dlatypov@google.com>, linux-mm@kvack.org
Date:   Sun, 29 May 2022 19:55:57 +0200
In-Reply-To: <de38a6b852d31cbe123d033965dbd9b662d29a76.camel@sipsolutions.net>
References: <20220527185600.1236769-1-davidgow@google.com>
         <20220527185600.1236769-2-davidgow@google.com>
         <de38a6b852d31cbe123d033965dbd9b662d29a76.camel@sipsolutions.net>
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On Fri, 2022-05-27 at 22:14 +0200, Johannes Berg wrote:
> On Fri, 2022-05-27 at 11:56 -0700, David Gow wrote:
> >=20
> > This is v2 of the KASAN/UML port. It should be ready to go.
>=20
> Nice, thanks a lot! :)
>=20
> > It does benefit significantly from the following patches:
> > - Bugfix for memory corruption, needed for KASAN_STACK support:
> > https://lore.kernel.org/lkml/20220523140403.2361040-1-vincent.whitchurc=
h@axis.com/
>=20
> Btw, oddly enough, I don't seem to actually see this (tried gcc 10.3 and
> 11.3 so far) - is there anything you know about compiler versions
> related to this perhaps? Or clang only?
>=20

I do see it on gcc (Debian 10.2.1-6) 10.2.1 20210110, but that was a
different .config too ... strange.

johannes