linux-kernel - Re: [PATCH] [v2] x86/mpx: fix recursive munmap() corruption

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Message-ID: <20190509083111.GA75918@gmail.com>
Date:   Thu, 9 May 2019 10:31:11 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Dave Hansen <dave.hansen@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, rguenther@...e.de,
        hjl.tools@...il.com, yang.shi@...ux.alibaba.com, mhocko@...e.com,
        vbabka@...e.cz, luto@...capital.net, x86@...nel.org,
        akpm@...ux-foundation.org, linux-mm@...ck.org,
        stable@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-um@...ts.infradead.org, benh@...nel.crashing.org,
        paulus@...ba.org, mpe@...erman.id.au, linux-arch@...r.kernel.org,
        gxt@....edu.cn, jdike@...toit.com, richard@....at,
        anton.ivanov@...bridgegreys.com
Subject: Re: [PATCH] [v2] x86/mpx: fix recursive munmap() corruption


* Dave Hansen <dave.hansen@...ux.intel.com> wrote:

> Reported-by: Richard Biener <rguenther@...e.de>
> Reported-by: H.J. Lu <hjl.tools@...il.com>
> Fixes: dd2283f2605e ("mm: mmap: zap pages with read mmap_sem in munmap")
> Cc: Yang Shi <yang.shi@...ux.alibaba.com>
> Cc: Michal Hocko <mhocko@...e.com>
> Cc: Vlastimil Babka <vbabka@...e.cz>
> Cc: Andy Lutomirski <luto@...capital.net>
> Cc: x86@...nel.org
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-mm@...ck.org
> Cc: stable@...r.kernel.org
> Cc: linuxppc-dev@...ts.ozlabs.org
> Cc: linux-um@...ts.infradead.org
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: linux-arch@...r.kernel.org
> Cc: Guan Xuetao <gxt@....edu.cn>
> Cc: Jeff Dike <jdike@...toit.com>
> Cc: Richard Weinberger <richard@....at>
> Cc: Anton Ivanov <anton.ivanov@...bridgegreys.com>

I've also added your:

  Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>

Because I suppose you intended to sign off on it?

Thanks,

	Ingo