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 18CFBECE58E for ; Wed, 9 Oct 2019 09:22:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E7DC8206C0 for ; Wed, 9 Oct 2019 09:22:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730709AbfJIJWE (ORCPT ); Wed, 9 Oct 2019 05:22:04 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:52669 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730004AbfJIJWD (ORCPT ); Wed, 9 Oct 2019 05:22:03 -0400 Received: by mail-io1-f69.google.com with SMTP id g8so3568434iop.19 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=oBDgaXiUo+ODQlDqpIGknVLB+tPMg/SQJdIb1OQSNqqs066Uw2l1HV+F070r7vTwf+ rWZxND3RBUVONpnOfWjxgIFjuRwJB+Ot9Pql7fDonAuVLlcRpsuidDZ6WtvRtwDubvOZ 07QDlN09jzkDwk25to8EPlpGeDsfOzy8iYVnh2n1sX+WKt9l2k3zcgJYG05SoOEOoiu7 Du1vRGGAu1ZS7mtshYIX3lWPN/PdhuXYFifglw5FaQJX670tYswpIxqZxcZnq7YJmuYl ciu0ogmU7GInmfqIlJwOzcrN8Fq+IlIshTF5NIaVTC7Xgr4r/Kd8Gw/Po8hdzZ1OPzp2 zZBQ== X-Gm-Message-State: APjAAAWHQ6uzCc4ZcdJt/ju4y/T3XmGTCKVc37QEOh/9SIniNNUkWcoH VrM28pkajVBCPzBM81yUnuIJbHP/AvBDHIlkZ6GnoKLv+8VG 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: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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