linux-kernel - Re: [RFC PATCH 0/3] basic KASAN support for Xen PV domains

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <7301D02C-D33F-4205-BB32-C3E61015D26E@ORACLE.COM>
Date:   Tue, 17 Dec 2019 13:06:05 -0500
From:   Boris Ostrovsky <BORIS.OSTROVSKY@...CLE.COM>
To:     Sergey Dyasli <sergey.dyasli@...rix.com>
Cc:     xen-devel@...ts.xen.org, kasan-dev@...glegroups.com,
        linux-kernel@...r.kernel.org,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        George Dunlap <george.dunlap@...rix.com>,
        Ross Lagerwall <ross.lagerwall@...rix.com>
Subject: Re: [RFC PATCH 0/3] basic KASAN support for Xen PV domains



> On Dec 17, 2019, at 9:08 AM, Sergey Dyasli <sergey.dyasli@...rix.com> wrote:
> 
> This series allows to boot and run Xen PV kernels (Dom0 and DomU) with
> CONFIG_KASAN=y. It has been used internally for some time now with good
> results for finding memory corruption issues in Dom0 kernel.
> 
> Only Outline instrumentation is supported at the moment.
> 
> Patch 1 is of RFC quality
> Patches 2-3 are independent and quite self-contained.


Don’t you need to initialize kasan before, for example, calling kasan_alloc_pages() in patch 2?

-boris