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[23.128.96.18]) by mx.google.com with ESMTP id a24si6047096edy.1.2020.04.25.23.43.44; Sat, 25 Apr 2020 23:44:08 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=DU7Ap7+V; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726113AbgDZF5H (ORCPT + 99 others); Sun, 26 Apr 2020 01:57:07 -0400 Received: from mout.web.de ([212.227.15.14]:32917 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725468AbgDZF5G (ORCPT ); Sun, 26 Apr 2020 01:57:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1587880612; bh=injEwugg8OHM9hp03WhgiBQmv8FzKG2/4scOcHkHnBg=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=DU7Ap7+VYQ8dE8VuZVZb/qR8TWce3er27w2n4X3tQiQueBeiRXiWiPraWGgLIr0b4 VwgauDjYGEd7lGHdb0eeO7dnBp58pJZlQ6CQN2vjM4QtQGDAbmmMkhtce1JWeQJFQv JginYHtNczBU9LYZ+neB3BtZNocRT4XuMB1luu6U= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.133.52.156]) by smtp.web.de (mrweb001 [213.165.67.108]) with ESMTPSA (Nemesis) id 0M5fhI-1jHohX3LNA-00xf7T; Sun, 26 Apr 2020 07:56:51 +0200 Subject: Re: mm/slub: do not place freelist pointer to middle of object if redzone is on To: Changbin Du , Andrew Morton , linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Christoph Lameter , David Rientjes , Joonsoo Kim , Kees Cook , Pekka Enberg References: <20200425235105.sye7fsbndbv24b46@mail.google.com> From: Markus Elfring Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; keydata= mQINBFg2+xABEADBJW2hoUoFXVFWTeKbqqif8VjszdMkriilx90WB5c0ddWQX14h6w5bT/A8 +v43YoGpDNyhgA0w9CEhuwfZrE91GocMtjLO67TAc2i2nxMc/FJRDI0OemO4VJ9RwID6ltwt mpVJgXGKkNJ1ey+QOXouzlErVvE2fRh+KXXN1Q7fSmTJlAW9XJYHS3BDHb0uRpymRSX3O+E2 lA87C7R8qAigPDZi6Z7UmwIA83ZMKXQ5stA0lhPyYgQcM7fh7V4ZYhnR0I5/qkUoxKpqaYLp YHBczVP+Zx/zHOM0KQphOMbU7X3c1pmMruoe6ti9uZzqZSLsF+NKXFEPBS665tQr66HJvZvY GMDlntZFAZ6xQvCC1r3MGoxEC1tuEa24vPCC9RZ9wk2sY5Csbva0WwYv3WKRZZBv8eIhGMxs rcpeGShRFyZ/0BYO53wZAPV1pEhGLLxd8eLN/nEWjJE0ejakPC1H/mt5F+yQBJAzz9JzbToU 5jKLu0SugNI18MspJut8AiA1M44CIWrNHXvWsQ+nnBKHDHHYZu7MoXlOmB32ndsfPthR3GSv jN7YD4Ad724H8fhRijmC1+RpuSce7w2JLj5cYj4MlccmNb8YUxsE8brY2WkXQYS8Ivse39MX BE66MQN0r5DQ6oqgoJ4gHIVBUv/ZwgcmUNS5gQkNCFA0dWXznQARAQABtCZNYXJrdXMgRWxm cmluZyA8TWFya3VzLkVsZnJpbmdAd2ViLmRlPokCVAQTAQgAPhYhBHDP0hzibeXjwQ/ITuU9 Figxg9azBQJYNvsQAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEOU9Figx g9azcyMP/iVihZkZ4VyH3/wlV3nRiXvSreqg+pGPI3c8J6DjP9zvz7QHN35zWM++1yNek7Ar OVXwuKBo18ASlYzZPTFJZwQQdkZSV+atwIzG3US50ZZ4p7VyUuDuQQVVqFlaf6qZOkwHSnk+ CeGxlDz1POSHY17VbJG2CzPuqMfgBtqIU1dODFLpFq4oIAwEOG6fxRa59qbsTLXxyw+PzRaR LIjVOit28raM83Efk07JKow8URb4u1n7k9RGAcnsM5/WMLRbDYjWTx0lJ2WO9zYwPgRykhn2 sOyJVXk9xVESGTwEPbTtfHM+4x0n0gC6GzfTMvwvZ9G6xoM0S4/+lgbaaa9t5tT/PrsvJiob kfqDrPbmSwr2G5mHnSM9M7B+w8odjmQFOwAjfcxoVIHxC4Cl/GAAKsX3KNKTspCHR0Yag78w i8duH/eEd4tB8twcqCi3aCgWoIrhjNS0myusmuA89kAWFFW5z26qNCOefovCx8drdMXQfMYv g5lRk821ZCNBosfRUvcMXoY6lTwHLIDrEfkJQtjxfdTlWQdwr0mM5ye7vd83AManSQwutgpI q+wE8CNY2VN9xAlE7OhcmWXlnAw3MJLW863SXdGlnkA3N+U4BoKQSIToGuXARQ14IMNvfeKX NphLPpUUnUNdfxAHu/S3tPTc/E/oePbHo794dnEm57LuuQINBFg2+xABEADZg/T+4o5qj4cw nd0G5pFy7ACxk28mSrLuva9tyzqPgRZ2bdPiwNXJUvBg1es2u81urekeUvGvnERB/TKekp25 4wU3I2lEhIXj5NVdLc6eU5czZQs4YEZbu1U5iqhhZmKhlLrhLlZv2whLOXRlLwi4jAzXIZAu 76mT813jbczl2dwxFxcT8XRzk9+dwzNTdOg75683uinMgskiiul+dzd6sumdOhRZR7YBT+xC wzfykOgBKnzfFscMwKR0iuHNB+VdEnZw80XGZi4N1ku81DHxmo2HG3icg7CwO1ih2jx8ik0r riIyMhJrTXgR1hF6kQnX7p2mXe6K0s8tQFK0ZZmYpZuGYYsV05OvU8yqrRVL/GYvy4Xgplm3 DuMuC7/A9/BfmxZVEPAS1gW6QQ8vSO4zf60zREKoSNYeiv+tURM2KOEj8tCMZN3k3sNASfoG fMvTvOjT0yzMbJsI1jwLwy5uA2JVdSLoWzBD8awZ2X/eCU9YDZeGuWmxzIHvkuMj8FfX8cK/ 2m437UA877eqmcgiEy/3B7XeHUipOL83gjfq4ETzVmxVswkVvZvR6j2blQVr+MhCZPq83Ota xNB7QptPxJuNRZ49gtT6uQkyGI+2daXqkj/Mot5tKxNKtM1Vbr/3b+AEMA7qLz7QjhgGJcie qp4b0gELjY1Oe9dBAXMiDwARAQABiQI8BBgBCAAmFiEEcM/SHOJt5ePBD8hO5T0WKDGD1rMF Alg2+xACGwwFCQlmAYAACgkQ5T0WKDGD1rOYSw/+P6fYSZjTJDAl9XNfXRjRRyJSfaw6N1pA Ahuu0MIa3djFRuFCrAHUaaFZf5V2iW5xhGnrhDwE1Ksf7tlstSne/G0a+Ef7vhUyeTn6U/0m +/BrsCsBUXhqeNuraGUtaleatQijXfuemUwgB+mE3B0SobE601XLo6MYIhPh8MG32MKO5kOY hB5jzyor7WoN3ETVNQoGgMzPVWIRElwpcXr+yGoTLAOpG7nkAUBBj9n9TPpSdt/npfok9ZfL /Q+ranrxb2Cy4tvOPxeVfR58XveX85ICrW9VHPVq9sJf/a24bMm6+qEg1V/G7u/AM3fM8U2m tdrTqOrfxklZ7beppGKzC1/WLrcr072vrdiN0icyOHQlfWmaPv0pUnW3AwtiMYngT96BevfA qlwaymjPTvH+cTXScnbydfOQW8220JQwykUe+sHRZfAF5TS2YCkQvsyf7vIpSqo/ttDk4+xc Z/wsLiWTgKlih2QYULvW61XU+mWsK8+ZlYUrRMpkauN4CJ5yTpvp+Orcz5KixHQmc5tbkLWf x0n1QFc1xxJhbzN+r9djSGGN/5IBDfUqSANC8cWzHpWaHmSuU3JSAMB/N+yQjIad2ztTckZY pwT6oxng29LzZspTYUEzMz3wK2jQHw+U66qBFk8whA7B2uAU1QdGyPgahLYSOa4XAEGb6wbI FEE= Message-ID: Date: Sun, 26 Apr 2020 07:56:43 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200425235105.sye7fsbndbv24b46@mail.google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:isG7+/FvLFT00wPC8n3rPHTTacFfTdbCfAe+hDJQWErpHLiUDzB JasNmP+JQ3IdEWzgSfpmEwWIWiNZVfCboP39VSVCBPQ5G52Hj16gvtfyrQb77WTAv1Bkq99 YtfaW3StSUEGqYjjq6+8fUlDwZcsi+YpNQWVsYnqHP5EIf79cNHYrb/Mlkow8O/EkgTrHQG njFmWD8lbc0NeowHoTXvg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:uzS6JyizmUY=:B+5sfz0Y2GgO4wQEJYdChX EXDR0dF2RqlUNpIWOqobmxYIeWkUdkuE5vPd3bcNcTQ8NEM/rUbAIipsMLBppV5nCphYrVBuY U2uWDKh+m44o36WmXK4FIYTLbqmyxFhMoOeDldHTwgyrWJCqxEnKUe6gDHmrzHoLs8ovnYc4N J6nCTpwz/JKPaDvcw7p+RxKD/PpLD2skygyFqU8KOzc3UZqoOeSG5n3huWMpxEWyVVzPTX4bq GkgBVntz3PGYsj9Q/gnSdA6b4FiVPM9TK2JVPI8dlkjIDRJ+YFWdU++2l5s2UmC/Y4wljVTTQ vF2TucbC1S8F5l9uqlDd09NS5+pqylllyiXtCcmhUYPABOq0YfyOoOf9KRM/GculrEB1vDQR2 phKAkqxZwQDQ4oIkpjMEFqazZqyiP+22bJENWUFQZ4DkIh216ohowQFtraxSLEplNgZcL5ThS yw0A9zEFw5DL6KjRQ61UPKNi6cxN32LJbq0ARPdD0kYqvKwt+zKfzyr9SqaxGASwPVgr2EuFJ 0m/DdDo7gM0hNY43XU+gsrpR/dmyDucKpH38CgBgCpseXjmbG7N/vAHDiCooWNanPWaSAk0ZD fwpMySqYKyGbffhY9ZV15S09HUGCoiYRiZaLZ85n2YRW6JeWrcLOU0M3xQv3rfetoOhg8CFuH tLi60geqoF4NVcCWeWJTqRxppRvEztf27mEzMlMD45b4/V55Mmpj4dETDSZKXrT7lQFagnhFd QBNk1wrwmIiYtXr+o+/e34ZBakSFpVt979SfA1VXQD2ufcaL+DChqv8VlONjU6S4snzuNi7D4 b9G4XrQvwmrEdEE0mSDs0RYAdk+GvvNtm+SPrD+C1MXKY0U476w1XB+v0RnREBNwh9+YOmQM2 o+n6eFxYwQFGsGUHxZOd0HVML21Ig2SsPfnHlk4YfUgs2FHSjHwnvodQAJp/slHxvb9BpQ+4j q6pfBensTL6+QCs0PEbQn/kJ22UWCxJWuasVfDVUtsInpmlrGC45+1ePDgn1X0rz6grwl5RqL fbKMDlg47BVDLnYzuKzzakEOKTLU61G1jfNGLsftJe5dCBVNh7NZVgr2QevETfVapCkvAxBlU 7HSf7OEeGZyshTwj0qMdndfKN9DvT75rloJH/ZAChEVoeOvCjj2I9MPs0q6FeUIiEgNlE/9dw W0RIZC2LyIKRK+krTST+5OmGtXm3aq+1rpUjXA3R+GpyCmRkqiqFwNltpxMzFfRTE5688zD4m E2URbPK2nh27MIJYv Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> Fixes: 3202fa62fb ("slub: relocate freelist pointer to middle of objec= t") =E2=80=A6 > I used to give 12 charactors, but this time I lost two. :) Would you like to improve details for the change description also at another place? Regards, Markus