linux-kernel - Re: [PATCH v3 5/7] kasan: allow kasan_check_read/write() to accept pointers to volatiles

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] [day] [month] [year] [list]

Message-ID: <b55a33dd-a1e5-b79f-cfe6-da1258dea2c0@virtuozzo.com>
Date:   Fri, 16 Jun 2017 18:54:49 +0300
From:   Andrey Ryabinin <aryabinin@...tuozzo.com>
To:     Dmitry Vyukov <dvyukov@...gle.com>, mark.rutland@....com,
        peterz@...radead.org, mingo@...hat.com, will.deacon@....com,
        hpa@...or.com
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, x86@...nel.org, linux-mm@...ck.org,
        kasan-dev@...glegroups.com
Subject: Re: [PATCH v3 5/7] kasan: allow kasan_check_read/write() to accept
 pointers to volatiles



On 06/06/2017 01:11 PM, Dmitry Vyukov wrote:
> Currently kasan_check_read/write() accept 'const void*', make them
> accept 'const volatile void*'. This is required for instrumentation
> of atomic operations and there is just no reason to not allow that.
> 
> Signed-off-by: Dmitry Vyukov <dvyukov@...gle.com>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Andrey Ryabinin <aryabinin@...tuozzo.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: "H. Peter Anvin" <hpa@...or.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: linux-kernel@...r.kernel.org
> Cc: x86@...nel.org
> Cc: linux-mm@...ck.org
> Cc: kasan-dev@...glegroups.com

Reviewed-by: Andrey Ryabinin <aryabinin@...tuozzo.com>