From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 213B6C433DB for ; Mon, 22 Feb 2021 10:28:04 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 8856064DFD for ; Mon, 22 Feb 2021 10:28:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8856064DFD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 07F016B006E; Mon, 22 Feb 2021 05:28:03 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 059986B0070; Mon, 22 Feb 2021 05:28:03 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EAF3F8D0001; Mon, 22 Feb 2021 05:28:02 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0058.hostedemail.com [216.40.44.58]) by kanga.kvack.org (Postfix) with ESMTP id D4FED6B006E for ; Mon, 22 Feb 2021 05:28:02 -0500 (EST) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 9C4501801737A for ; Mon, 22 Feb 2021 10:28:02 +0000 (UTC) X-FDA: 77845528404.18.EB3388D Received: from raptor.unsafe.ru (raptor.unsafe.ru [5.9.43.93]) by imf27.hostedemail.com (Postfix) with ESMTP id DB72680192C7 for ; Mon, 22 Feb 2021 10:27:56 +0000 (UTC) Received: from example.org (ip-94-113-225-162.net.upcbroadband.cz [94.113.225.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by raptor.unsafe.ru (Postfix) with ESMTPSA id E9233209FA; Mon, 22 Feb 2021 10:27:36 +0000 (UTC) Date: Mon, 22 Feb 2021 11:27:33 +0100 From: Alexey Gladkov To: Linus Torvalds Cc: LKML , io-uring , Kernel Hardening , Linux Containers , Linux-MM , Andrew Morton , Christian Brauner , "Eric W . Biederman" , Jann Horn , Jens Axboe , Kees Cook , Oleg Nesterov Subject: Re: [PATCH v6 0/7] Count rlimits in each user namespace Message-ID: <20210222102733.gic3q7dniljlbosm@example.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.6.1 (raptor.unsafe.ru [5.9.43.93]); Mon, 22 Feb 2021 10:28:01 +0000 (UTC) X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: DB72680192C7 X-Stat-Signature: 96s1334rettss1d5axiw9zq37jjz95hk Received-SPF: none (gmail.com>: No applicable sender policy available) receiver=imf27; identity=mailfrom; envelope-from=""; helo=raptor.unsafe.ru; client-ip=5.9.43.93 X-HE-DKIM-Result: none/none X-HE-Tag: 1613989676-204898 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, Feb 21, 2021 at 02:20:00PM -0800, Linus Torvalds wrote: > On Mon, Feb 15, 2021 at 4:42 AM Alexey Gladkov wrote: > > > > These patches are for binding the rlimit counters to a user in user namespace. > > So this is now version 6, but I think the kernel test robot keeps > complaining about them causing KASAN issues. > > The complaints seem to change, so I'm hoping they get fixed, but it > does seem like every version there's a new one. Hmm? First, KASAN found an unexpected bug in the second patch (Add a reference to ucounts for each cred). Because I missed that creed_alloc_blank() is used wider than I found. Now KASAN has found problems in the RLIMIT_MEMLOCK which I believe I fixed in v7. -- Rgrds, legion