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=unavailable 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 A4740C43381 for ; Mon, 25 Mar 2019 00:44:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72A5621019 for ; Mon, 25 Mar 2019 00:44:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729255AbfCYAoC (ORCPT ); Sun, 24 Mar 2019 20:44:02 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:53403 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729132AbfCYAoC (ORCPT ); Sun, 24 Mar 2019 20:44:02 -0400 Received: by mail-io1-f69.google.com with SMTP id w11so6650990iom.20 for ; Sun, 24 Mar 2019 17:44:01 -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=Ht9vVgqisNlHSzSc2E330AOKMhrQjy8GcRFdRRJeoXs=; b=lWZfiBtTFnHGHHlo2wbOwmks0T8i1mfc4E4cgHTXzJxf/9wy8YG0qNKTSp0yi841ZJ 58GIqodpLCsVYCA6hcPEU4NqLh7UCi5gy/cklj0Yc1YZkzZ6/x0ERn0kK3jpE1xQisAC b1ZamRWrN+8OGr+SBW3FxK/ml+GYOhxCxVwms4ojIyVFd8W0veordYg1X1S1qENvuACO NVWE1hC76W1cbTGyN2laAqeBPC49fucuN94f9ib/GhpdQRQUABMmkTSQWRlJ+t71B+X8 uANbWw/2rcs6A7+6PpMKniaa5rnIcDdFD5qlwI49+MYpyObv0GqH/fAOgCf+98NlERbZ fMQA== X-Gm-Message-State: APjAAAWHYr6rpGUIP3d6w1mFfYJuI/9M9aJTmmzm396N3z4K7HapurYu uoOJ2/ddrKPsYX95GjG+3DTE2VicKpwtHbTUDYtylIyHP5Iv X-Google-Smtp-Source: APXvYqwNs1aphaMvisiaLgVqVdKZnckeWVHnJZwjuazbq/2POf9Ja/kTFQVlk2lgxm6GGEH8BI6lDxQ54aeo9c7U75+hF7jARK5o MIME-Version: 1.0 X-Received: by 2002:a05:660c:14b:: with SMTP id r11mr9466590itk.157.1553474641287; Sun, 24 Mar 2019 17:44:01 -0700 (PDT) Date: Sun, 24 Mar 2019 17:44:01 -0700 In-Reply-To: <0000000000006946d2057bbd0eef@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000295e0d0584e08021@google.com> Subject: Re: KASAN: use-after-free Read in path_lookupat From: syzbot To: dledford@redhat.com, hch@lst.de, leonro@mellanox.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, sagi@grimberg.me, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot has bisected this bug to: commit a435393acafbf0ecff4deb3e3cb554b34f0d0664 Author: Sagi Grimberg Date: Thu Jul 13 08:09:40 2017 +0000 mlx5: move affinity hints assignments to generic code bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12df1ba3200000 start commit: 442b8cea Add linux-next specific files for 20181109 git tree: linux-next final crash: https://syzkaller.appspot.com/x/report.txt?x=11df1ba3200000 console output: https://syzkaller.appspot.com/x/log.txt?x=16df1ba3200000 kernel config: https://syzkaller.appspot.com/x/.config?x=2f72bdb11df9fbe8 dashboard link: https://syzkaller.appspot.com/bug?extid=7a8ba368b47fdefca61e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=132815f5400000 Reported-by: syzbot+7a8ba368b47fdefca61e@syzkaller.appspotmail.com Fixes: a435393acafb ("mlx5: move affinity hints assignments to generic code") For information about bisection process see: https://goo.gl/tpsmEJ#bisection