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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 8D091C33CAA for ; Tue, 21 Jan 2020 04:41:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 61DF7217F4 for ; Tue, 21 Jan 2020 04:41:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728596AbgAUElC (ORCPT ); Mon, 20 Jan 2020 23:41:02 -0500 Received: from mail-io1-f71.google.com ([209.85.166.71]:53070 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727829AbgAUElB (ORCPT ); Mon, 20 Jan 2020 23:41:01 -0500 Received: by mail-io1-f71.google.com with SMTP id d10so957042iod.19 for ; Mon, 20 Jan 2020 20:41:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=NCHvuKVSBxRHeizGAyp94YLEyZNHqgNg1esxuxlJg/o=; b=KzkJTD2muHcfhugYVbzPgAtKvz2xOrgiimbQ+4wDPlQ751sFPoD+qrkw86aASb7qLS yK/A9S7a6uFYQon4HJNPSgG+vFtvZLNHxwOlkixzvjPXmAVWuvTHXv8NgZMvP7j1IAqi EkRlaou3TlhYJ4YwAdtWoWEBqOwFvqOUU1L86OGjgiZ0oYNCTn2CaAyIXIm2UmowuMV7 H1gCTiTqk3UJVvQEPk0od098UOxmEtzyQAIOa/TwwfhK3sIlBdBFHJ3n9rRR9J5xJsPe ymmj91bIfIYrju5+1qbxGuJFpDipPV2E+3cspbsvS9keG8NhbiPDcMJLtwJkNQwAL1Wk opHw== X-Gm-Message-State: APjAAAXErhqtPrkgCquPBSIlmwuQglKMqj4W77Ae3Pge1nQZryW4c/QJ /kBVZ51lXWqOqQKD5OU6Q4siZRFMKm+iyZ8QL9GeSs3n7rH4 X-Google-Smtp-Source: APXvYqzJrudOM5ZqIhdp6/vUqAJPKgAZHJimMJnIa4tHcx71IDDXqV6DGIP5tIwdhQNRHsKr47nmu6rr4NtsU6zWdZOvYEY4ROX2 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:4d2:: with SMTP id f18mr2062010ils.54.1579581661230; Mon, 20 Jan 2020 20:41:01 -0800 (PST) Date: Mon, 20 Jan 2020 20:41:01 -0800 In-Reply-To: <000000000000bb0378059c865fdf@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000cfbeb5059c9f036d@google.com> Subject: Re: KASAN: use-after-free Read in bitmap_ip_destroy From: syzbot To: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org, coreteam@netfilter.org, davem@davemloft.net, florent.fourcot@wifirst.fr, fw@strlen.de, jeremy@azazel.net, johannes.berg@intel.com, kadlec@netfilter.org, linux-kernel@vger.kernel.org, lipeng321@huawei.com, mareklindner@neomailbox.ch, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tanhuazhong@huawei.com Content-Type: text/plain; charset="UTF-8" Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org syzbot has bisected this bug to: commit 354d0fab649d47045517cf7cae03d653a4dcb3b8 Author: Peng Li Date: Thu Jul 4 14:04:26 2019 +0000 net: hns3: add default value for tc_size and tc_offset bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15cc0685e00000 start commit: 8f8972a3 Merge tag 'mtd/fixes-for-5.5-rc7' of git://git.ke.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=17cc0685e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=13cc0685e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=cfbb8fa33f49f9f3 dashboard link: https://syzkaller.appspot.com/bug?extid=8b5f151de2f35100bbc5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12e22559e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16056faee00000 Reported-by: syzbot+8b5f151de2f35100bbc5@syzkaller.appspotmail.com Fixes: 354d0fab649d ("net: hns3: add default value for tc_size and tc_offset") For information about bisection process see: https://goo.gl/tpsmEJ#bisection