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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 8DE92C43381 for ; Fri, 22 Mar 2019 00:04:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6346021902 for ; Fri, 22 Mar 2019 00:04:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727248AbfCVAEC (ORCPT ); Thu, 21 Mar 2019 20:04:02 -0400 Received: from mail-it1-f200.google.com ([209.85.166.200]:57363 "EHLO mail-it1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726460AbfCVAEB (ORCPT ); Thu, 21 Mar 2019 20:04:01 -0400 Received: by mail-it1-f200.google.com with SMTP id h82so629783ita.7 for ; Thu, 21 Mar 2019 17:04:01 -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=aMmCqYqaoXJNPuNI30zhUuPbaEwdFM6TqCPG0NbQKRs=; b=mLS1VeHdgltaahZzXE7UwaiLqXQKWneyGxQaCfW23zY0cyyI84Fov4+auajFYb4z2B BqsVGDwDU41UlYt3AvuLwO0+SFflVM237cCYRzqUMN4LEzDg+CTG6lV5AdyWW6k+3d1t vBpitQCyb83GrWnk0uv619mtk47tZ9Tab5fEGprIuMVKohZkeNqfIT8Ix3qBWjsoWCQd XlLI2EALgVHvFSpODjE6rlEtHHRrEB6Ln8SjYSAC/6yohjnX0N6/MQuZrEZDyC35yMA/ zLo2uT1OUENUkimD+0rKY15jQBcfhQLjPHfSI/lCZLoJ9C3OfaDTGgeo63apa1yvCVM6 XgAA== X-Gm-Message-State: APjAAAVwLZU7oXvkCcjqRwB29T0CsbJuADQAVQgqfEBjeGHrTjWYv1iN F7v4EjxCyzK9Q7+k21uZuGyYMoJOuChaSGa0rE8Ks1XDtX40 X-Google-Smtp-Source: APXvYqzlG4OOLIfA/+JzQNzIxmqInt1FZHjdHGY+Ez5t7ItYq4+AxHc9wZRFhpUlErwvflfSOxKnJY62ksU/zNPuaIYTO+4l4GlF MIME-Version: 1.0 X-Received: by 2002:a24:f34f:: with SMTP id t15mr790649iti.88.1553213040971; Thu, 21 Mar 2019 17:04:00 -0700 (PDT) Date: Thu, 21 Mar 2019 17:04:00 -0700 In-Reply-To: <000000000000204051057963c4dc@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000915e8b0584a397a9@google.com> Subject: Re: KASAN: use-after-free Write in __vb2_cleanup_fileio From: syzbot To: andy@greyhouse.net, davem@davemloft.net, hverkuil@xs4all.nl, j.vosburgh@gmail.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, maheshb@google.com, mchehab@kernel.org, netdev@vger.kernel.org, sakari.ailus@linux.intel.com, satendra.t@samsung.com, syzkaller-bugs@googlegroups.com, vfalico@gmail.com, viro@zeniv.linux.org.uk 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 4493b81bea24269df898339dee638d7c5cb2b2df Author: Mahesh Bandewar Date: Wed Mar 8 18:55:54 2017 +0000 bonding: initialize work-queues during creation of bond bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1232b037200000 start commit: 4493b81b bonding: initialize work-queues during creation o.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=1132b037200000 console output: https://syzkaller.appspot.com/x/log.txt?x=1632b037200000 kernel config: https://syzkaller.appspot.com/x/.config?x=62118286bb772a24 dashboard link: https://syzkaller.appspot.com/bug?extid=4e12d2d56f8ccc65c180 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1346e183400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=117c2713400000 Reported-by: syzbot+4e12d2d56f8ccc65c180@syzkaller.appspotmail.com Fixes: 4493b81bea24 ("bonding: initialize work-queues during creation of bond") For information about bisection process see: https://goo.gl/tpsmEJ#bisection