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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 0F841C35240 for ; Fri, 31 Jan 2020 21:07:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D894120705 for ; Fri, 31 Jan 2020 21:07:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580504839; bh=TQ7spiB0UlsKRXXxe/jZUsbYZ+dOt+uQIN3RmoQGBBY=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=gs+60fgMwikWYEIu6Y5hMVm7mGq6vqwc/gjC4R5l27W06Tuo7rR5YCh1OfNz/IgzB bJ7n1YxbjfHpb2WTLSaOgzC76xWxHzTn7YaYLyoaWl8R+HqukrcqgfN+iulqWVXKVV EVMWNOn0Gm536OcgrGL3sRcf1tGTItxk2uGHQ0CU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726264AbgAaVHS (ORCPT ); Fri, 31 Jan 2020 16:07:18 -0500 Received: from mail-lj1-f180.google.com ([209.85.208.180]:39024 "EHLO mail-lj1-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726105AbgAaVHR (ORCPT ); Fri, 31 Jan 2020 16:07:17 -0500 Received: by mail-lj1-f180.google.com with SMTP id o15so2983875ljg.6 for ; Fri, 31 Jan 2020 13:07:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=pxJROTyzT1jYxa/uxoScWfBiu6dpk9l0ypZI0WlHElE=; b=Uy3tV2J2BamqsqPl3OjfFMuPDQw1a7LvD1NegqJHrZKqw2pDUpBwIALE7PWnkpdtjM wuW1b49rvHSCuYNQTAL97eOkQcnhhTDSSv+yl0niZqmRr0uSi2kzPSoIK/Y3qQPCfoou bnzaZtIP05jjNLSSsdHzkdYc3mT2Ju03Dhar8= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=pxJROTyzT1jYxa/uxoScWfBiu6dpk9l0ypZI0WlHElE=; b=TWf2DJ0sIv9y5xCkALt5qSq0o7oPvuP5KaFoD4ZfXFHuOTbT8oDlzVczHcPi3VcWLV Za0pLkx4hjco9JMqE25HVUAyZA+NhLs+yhY1V1TlIBgCcTgOex7p8p/ACkl8/JhACPAc 0Eu3SbdJNnqVkAFh6sRPNjXpUu31OSlLv+F8jaLSHvNFAJmRJLsisWeW/+GSe+iqFEtm 68ejebvl9/n2v9i4lqaXmq8tSLrzJwxufVt2e5ICf6ms7ZIP7yaL3Cydd9+xYeVFHe71 FMW+YpHuld9k7D+egfJp0qkmh2njRwn/k7IAO+z1dcZL8rBXKeZpCOfvUiVBg6wvjiyC q5gQ== X-Gm-Message-State: APjAAAUyTvCENwk4EVTm2e4zMK1WwtOrRObuvicWTokUjznNAAPFc9LV BEhq1iUSjS8zmsWu/HZaM1r4bob5djg= X-Google-Smtp-Source: APXvYqwjCcMGGVRGy2tl2/8953WdbPWoZonc2JO/raJrZpc05TD9aRKcLlAYIM4Ih4528pi4ucW9KQ== X-Received: by 2002:a2e:574d:: with SMTP id r13mr6876774ljd.63.1580504834222; Fri, 31 Jan 2020 13:07:14 -0800 (PST) Received: from mail-lj1-f178.google.com (mail-lj1-f178.google.com. [209.85.208.178]) by smtp.gmail.com with ESMTPSA id t9sm5134326lfl.51.2020.01.31.13.07.13 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 31 Jan 2020 13:07:13 -0800 (PST) Received: by mail-lj1-f178.google.com with SMTP id x14so8463761ljd.13 for ; Fri, 31 Jan 2020 13:07:13 -0800 (PST) X-Received: by 2002:a2e:580c:: with SMTP id m12mr7090112ljb.150.1580504832773; Fri, 31 Jan 2020 13:07:12 -0800 (PST) MIME-Version: 1.0 References: <000000000000dd68d0059c74a1db@google.com> <000000000000ed3a48059d17277e@google.com> In-Reply-To: From: Linus Torvalds Date: Fri, 31 Jan 2020 13:06:56 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: KASAN: slab-out-of-bounds Read in bitmap_ip_add To: Cong Wang Cc: Jozsef Kadlecsik , coreteam@netfilter.org, David Miller , Marco Elver , Florian Westphal , Greg Kroah-Hartman , "Enrico Weigelt, metux IT consult" , jeremy@azazel.net, Kate Stewart , Linux Kernel Mailing List , Mark Rutland , Netdev , NetFilter , Pablo Neira Ayuso , syzkaller-bugs , Thomas Gleixner Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Jan 31, 2020 at 1:02 PM Cong Wang wrote: > > It is supposed to be fixed by commit 32c72165dbd0 Ahh, thanks, I missed that. I actually looked at the current code and saw the bitmap_zalloc() and it all looked fine, and assumed there was some other bug in the elements calculation. I didn't realize that it looked fine because it had already been fixed. Thanks, Linus