From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Weimer Subject: Re: [PATCH v2 0/2] mm,fork,security: introduce MADV_WIPEONFORK Date: Wed, 9 Aug 2017 14:42:51 +0200 Message-ID: <8fe8040c-7595-ec09-6ce7-0da4fadc82c4@redhat.com> References: <20170806140425.20937-1-riel@redhat.com> <20170807132257.GH32434@dhcp22.suse.cz> <20170807134648.GI32434@dhcp22.suse.cz> <1502117991.6577.13.camel@redhat.com> <20170809095957.kv47or2w4obaipkn@node.shutemov.name> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170809095957.kv47or2w4obaipkn@node.shutemov.name> Content-Language: en-US Sender: owner-linux-mm@kvack.org To: "Kirill A. Shutemov" , Rik van Riel Cc: Michal Hocko , 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 List-Id: linux-api@vger.kernel.org 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org