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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 D7D68C47404 for ; Wed, 9 Oct 2019 09:22:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B9C20206C0 for ; Wed, 9 Oct 2019 09:22:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730682AbfJIJWC (ORCPT ); Wed, 9 Oct 2019 05:22:02 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:47407 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730004AbfJIJWB (ORCPT ); Wed, 9 Oct 2019 05:22:01 -0400 Received: by mail-io1-f70.google.com with SMTP id k14so3592664iot.14 for ; Wed, 09 Oct 2019 02:22:01 -0700 (PDT) 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=HPZvvZ/9gjJip4a0YxXlSMk8fxyxykOWKERE6MG24B8=; b=CBB9+aDQ8srF4OnWUQBhJAvaXA0mIzlQ2HHSrmG22sbVl/8sjseyY6Sa0RtncWjT+/ gCmCJ8pkNupykNTSzkdImfjBt8K57Zie9tsDAa6cH17Saw67pzSYZhfivfyDQQcnUYIq vVUcgQUN/rp66polt9isiIKyVIgSDFVjzIrBMske+q5+dOfhuZ/Xw9CEugLHfh6+BH0m W9S1uryJ0+bQYb/R0vBQbPabyan4LI6z9F1ATrk0jODdlL6Ka5uHcKpJQzDobcKnv/6x 6MAHQvVMMKSp8TeaIiKPgahCqi3Xo5mlESHehgowrOktxQMC3I1wfNruQrZZgp5CD551 jJPA== X-Gm-Message-State: APjAAAVAlIq1bSE5g8kKWyLZreYB7YvGW7zAkjHSkkwq3U6rWlzd1lxa FXWZKnZIKeYx1zAY7vheUpZzjMgTyi0X/CqBiEIkAp3Q9RdY X-Google-Smtp-Source: APXvYqzusl152j/JV35SyZSwQmWMSoEboM9LDlzkJhrF5z5FXK489gY6noXCILJxl+gcSeoJuYNvC0rsereWl09pW8rCFBXW5FsW MIME-Version: 1.0 X-Received: by 2002:a6b:6018:: with SMTP id r24mr2427870iog.25.1570612920964; Wed, 09 Oct 2019 02:22:00 -0700 (PDT) Date: Wed, 09 Oct 2019 02:22:00 -0700 In-Reply-To: <0000000000003dc9ba059475614f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003bdc5f059476d153@google.com> Subject: Re: KASAN: use-after-free Read in tipc_nl_node_dump_monitor_peer From: syzbot To: davem@davemloft.net, jiri@mellanox.com, jon.maloy@ericsson.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tipc-discussion@lists.sourceforge.net, ying.xue@windriver.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit 057af70713445fad2459aa348c9c2c4ecf7db938 Author: Jiri Pirko Date: Sat Oct 5 18:04:39 2019 +0000 net: tipc: have genetlink code to parse the attrs during dumpit bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14ac08e7600000 start commit: f9867b51 netdevsim: fix spelling mistake "forbidded" -> "f.. git tree: net-next final crash: https://syzkaller.appspot.com/x/report.txt?x=16ac08e7600000 console output: https://syzkaller.appspot.com/x/log.txt?x=12ac08e7600000 kernel config: https://syzkaller.appspot.com/x/.config?x=d9be300620399522 dashboard link: https://syzkaller.appspot.com/bug?extid=d2a8670576fa63d18623 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16d3e04f600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13a76593600000 Reported-by: syzbot+d2a8670576fa63d18623@syzkaller.appspotmail.com Fixes: 057af7071344 ("net: tipc: have genetlink code to parse the attrs during dumpit") For information about bisection process see: https://goo.gl/tpsmEJ#bisection