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 E4BC6C5DF60 for ; Thu, 7 Nov 2019 13:42:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BBB682077C for ; Thu, 7 Nov 2019 13:42:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389429AbfKGNmd (ORCPT ); Thu, 7 Nov 2019 08:42:33 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:33318 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389119AbfKGNmK (ORCPT ); Thu, 7 Nov 2019 08:42:10 -0500 Received: by mail-io1-f70.google.com with SMTP id p19so1880379iog.0 for ; Thu, 07 Nov 2019 05:42:08 -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=hy0IUqmtd0A4X3fC1vp+srexXjp8oWtVGisb6LFHlS8=; b=cozQnlxj8l/xsf7woYU0AXH5cQISSCNRmyER94Q60F3VhJyMd4dgbozDFVlwx6zC5X 7SaafVmVyurXT5x5MrxB13Y8wwictngKvk6ucEGw5hqWLUVZX0M1/0Z6gVPjMf55nucn CrAPEVSMdtuUAES3TT5axyCEo9D8hGgrEVxCSnmtYia0dBJXcdiEa+OyqK0Bhg84O0Re bMoYyf2ImRiMluLo480E1G/ZHxM7JM43BLy20Qr1BOHSS0A1jmc2t/0g2qp2k2jQLpYH AqnSUyHje94KNpsxLRBQ7OuwRO1NZjLftAbyf3mBA7i7gBonz/stL1VomaD29EOY/ZTK r71g== X-Gm-Message-State: APjAAAW0HcITQdNuR75ydLxRAvl/PzmXET4vGmwL0cSBAuV9NPqhnq4c nZ42ttR/O8vLszeMcG3lToGIvVLLAmkiopwmWAAs493cdqFw X-Google-Smtp-Source: APXvYqy7IAQ7q+QKT0ObAmdHFO7txUCkOkWC8WZUDTvlKk/xr4Bj4B0+GFhbIElFmcxx4JMqWJqo/97ciSxzF5cqyNtl+EMM/48U MIME-Version: 1.0 X-Received: by 2002:a02:6306:: with SMTP id j6mr4111377jac.62.1573134127936; Thu, 07 Nov 2019 05:42:07 -0800 (PST) Date: Thu, 07 Nov 2019 05:42:07 -0800 In-Reply-To: <0000000000007829c8057b0b58ed@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e139ab0596c1d4c0@google.com> Subject: Re: KASAN: use-after-free Read in tick_sched_handle (3) From: syzbot To: davem@davemloft.net, dvyukov@google.com, frederic@kernel.org, fweisbec@gmail.com, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, mingo@kernel.org, netdev@vger.kernel.org, sbrivio@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, yoshfuji@linux-ipv6.org 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 suspects this bug was fixed by commit: commit bc6e019b6ee65ff4ebf3ca272f774cf6c67db669 Author: Stefano Brivio Date: Thu Jan 3 20:43:34 2019 +0000 fou: Prevent unbounded recursion in GUE error handler also with UDP-Lite bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=119c0bc2600000 start commit: 1c7fc5cb Linux 5.0-rc2 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=817708c0a0300f84 dashboard link: https://syzkaller.appspot.com/bug?extid=999bca54de2ee169c021 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12c95a30c00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11df0107400000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: fou: Prevent unbounded recursion in GUE error handler also with UDP-Lite For information about bisection process see: https://goo.gl/tpsmEJ#bisection