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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 163C2C43381 for ; Wed, 6 Mar 2019 18:07:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0BC420652 for ; Wed, 6 Mar 2019 18:07:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1551895645; bh=q3xzbBLf+GaNNMg98uOVgyJnxYjAv0qKOOCdYGWkWwk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=GmIS4W4Dgn7yTmhtbQrLkrVo6ZkUe7bzMASqBNHJNwKlmlYT29IA0NpBa1+KLlfDZ W7UzjcyvFkMob7jefm37po1jcg5JJ0NeWsbDRe+YTvix5BLDcG0DzyGI0oLkFRjyEP U2OHU9tsuri5uh0N9eagaAgtgowhsYj+Gfhu8sC8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730691AbfCFSHX (ORCPT ); Wed, 6 Mar 2019 13:07:23 -0500 Received: from mail-yw1-f67.google.com ([209.85.161.67]:37682 "EHLO mail-yw1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727195AbfCFSHX (ORCPT ); Wed, 6 Mar 2019 13:07:23 -0500 Received: by mail-yw1-f67.google.com with SMTP id k14so10756398ywe.4; Wed, 06 Mar 2019 10:07:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=MoZymIeYpEA3JH5PffWyHNM38vDeCAjiLx3pLK1x8l8=; b=KQk0ceeQM4K+MkwMcJQYLre2G1RYJpVpVisWfCktSy0qjCYEUhtEIR2nDix5IzCrJT ODz7xOVwQqmJs0FujdRPCbuSWqE8dksbzWMhWNb+5q4ovQnxvwtYn9epb7V34UImQ9WH 0VAp8KH32TYjxtnpkrRkTQIf7m5Ns0kCt+Tld8ScKtCf5J1h8xmLDW9KMlfKTZJKX7Aq sUrPqjlqPntBpt3V93NJQMerD80bRlcmOkp7AS9perFdSsvb7p5eUtPOUNZ1yHnVrXYD rzWHcXVmEdJmxc0OKmDCADJh74Tjy4cMCo9fCa1K7loJubBHJ1SRDw4b0cXESh6wRa7o JIkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=MoZymIeYpEA3JH5PffWyHNM38vDeCAjiLx3pLK1x8l8=; b=uE7vXaYeDPU4DDirOwj5kG1oCz016Y9QmgKONU7lV5aTY9vgIpwYJ5Ag7bwTpgppwv 5hVS5zUpa/1BZ2lxCJ8LJqUchXJsmVqBbXQy3ofoRq86kor3W+bg3zLmudxMFWrImh5U b2W1uoY0EaW1OenvO0Hn5mZNvvd17HhDedQI0z102kTdn3gGifCDqRrza8PZwmGOrQ2n 89HRQAWvAD9QRvog5OaJSYB51/PXzHd9SgcAfDNLyNVlPcs+OyGVQPEBFR4UBDBmgfMW U99k1wtF5P+ccQg2vn1pS3lBIhimsgps7zOM2W5UGAaKAyDW3AIiVtiMRDjPdhpI+iWw Ky7w== X-Gm-Message-State: APjAAAUL+jMaX7Ez00WgxK0Ar9l/7yhpWGunf878gqdSVfjTKJ228KHZ jxGSTJVnN/K1Ct8qTiAGFkk= X-Google-Smtp-Source: APXvYqxMTxDAj3IpCJGqs+98ngN9UYv21Rop1bDeAi7I22zU0xOBO8iQUni1ghRl6c8gw2rxHZHGEQ== X-Received: by 2002:a81:1cc1:: with SMTP id c184mr6838435ywc.360.1551895642287; Wed, 06 Mar 2019 10:07:22 -0800 (PST) Received: from localhost ([2620:10d:c091:200::2:a2f4]) by smtp.gmail.com with ESMTPSA id v9sm811425ywe.59.2019.03.06.10.07.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 06 Mar 2019 10:07:21 -0800 (PST) Date: Wed, 6 Mar 2019 10:07:19 -0800 From: Tejun Heo To: Konstantin Khlebnikov Cc: "Peter Zijlstra (Intel)" , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Li Zefan , Ingo Molnar , Johannes Weiner Subject: Re: [PATCH] sched/core: fix buffer overflow in cgroup2 property cpu.max Message-ID: <20190306180719.GG50184@devbig004.ftw2.facebook.com> References: <155189230232.2620.13120481613524200065.stgit@buzz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <155189230232.2620.13120481613524200065.stgit@buzz> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 06, 2019 at 08:11:42PM +0300, Konstantin Khlebnikov wrote: > Add limit into sscanf format string for on-stack buffer. > > Fixes: 0d5936344f30 ("sched: Implement interface for cgroup unified hierarchy") > Signed-off-by: Konstantin Khlebnikov Acked-by: Tejun Heo Thanks and I look forward to the sscanf improvements. That'd be really nice to have. -- tejun