From: Florian Weimer <fweimer@redhat.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>,
Rik van Riel <riel@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>,
linux-kernel@vger.kernel.org, mike.kravetz@oracle.com,
linux-mm@kvack.org, colm@allcosts.net, akpm@linux-foundation.org,
keescook@chromium.org, luto@amacapital.net, wad@chromium.org,
mingo@kernel.org, dave.hansen@intel.com,
linux-api@vger.kernel.org
Subject: Re: [PATCH v2 0/2] mm,fork,security: introduce MADV_WIPEONFORK
Date: Wed, 9 Aug 2017 14:42:51 +0200 [thread overview]
Message-ID: <8fe8040c-7595-ec09-6ce7-0da4fadc82c4@redhat.com> (raw)
In-Reply-To: <20170809095957.kv47or2w4obaipkn@node.shutemov.name>
On 08/09/2017 11:59 AM, Kirill A. Shutemov wrote:
> It's not obvious to me what would break if kernel would ignore
> MADV_DONTFORK or MADV_DONTDUMP.
Ignoring MADV_DONTDUMP could cause secrets to be written to disk,
contrary to the expected security policy of the system.
Thanks,
Florian
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next prev parent reply other threads:[~2017-08-09 12:43 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-06 14:04 [PATCH v2 0/2] mm,fork,security: introduce MADV_WIPEONFORK riel
2017-08-06 14:04 ` [PATCH 1/2] x86,mpx: make mpx depend on x86-64 to free up VMA flag riel
2017-08-06 14:04 ` [PATCH 2/2] mm,fork: introduce MADV_WIPEONFORK riel
2017-08-10 15:23 ` Michal Hocko
2017-08-11 15:23 ` Rik van Riel
2017-08-11 16:36 ` Mike Kravetz
2017-08-11 16:59 ` Rik van Riel
2017-08-11 17:07 ` Mike Kravetz
2017-08-07 13:22 ` [PATCH v2 0/2] mm,fork,security: " Michal Hocko
2017-08-07 13:46 ` Michal Hocko
2017-08-07 14:19 ` Florian Weimer
2017-08-10 13:06 ` Michal Hocko
2017-08-07 14:59 ` Rik van Riel
2017-08-09 9:59 ` Kirill A. Shutemov
2017-08-09 12:31 ` Rik van Riel
2017-08-09 12:42 ` Florian Weimer [this message]
2017-08-10 13:05 ` Michal Hocko
2017-08-10 13:23 ` Colm MacCárthaigh
2017-08-10 15:36 ` Michal Hocko
2017-08-10 16:17 ` Colm MacCárthaigh
2017-08-10 17:01 ` Michal Hocko
2017-08-10 22:09 ` Colm MacCárthaigh
2017-08-11 14:06 ` Michal Hocko
2017-08-11 14:11 ` Florian Weimer
2017-08-11 14:24 ` Michal Hocko
2017-08-11 15:24 ` Florian Weimer
2017-08-11 15:31 ` Michal Hocko
2017-08-07 15:55 ` Colm MacCárthaigh
2017-08-10 13:21 ` Michal Hocko
2017-08-10 14:11 ` Michal Hocko
2017-08-07 18:23 ` Mike Kravetz
2017-08-08 9:58 ` Florian Weimer
2017-08-08 13:15 ` Rik van Riel
2017-08-08 15:19 ` Mike Kravetz
2017-08-08 15:22 ` Florian Weimer
2017-08-08 15:46 ` Rik van Riel
2017-08-08 16:48 ` Colm MacCárthaigh
2017-08-08 16:52 ` Matthew Wilcox
2017-08-08 18:45 ` Rik van Riel
2017-08-10 15:31 ` Michal Hocko
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