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[209.132.180.67]) by mx.google.com with ESMTP id l40si13443941plb.164.2019.03.24.17.45.18; Sun, 24 Mar 2019 17:45:33 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729264AbfCYAoC (ORCPT + 99 others); Sun, 24 Mar 2019 20:44:02 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:56849 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729248AbfCYAoC (ORCPT ); Sun, 24 Mar 2019 20:44:02 -0400 Received: by mail-io1-f70.google.com with SMTP id s184so6631896iod.23 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=Jy9Xmi7yj+MZXL4r6rvTlME5LW6KqUz5J8qLi7r+Usd5vQ2bn+KT+gTJAaXwHy0oxM 8scdonB6KkMKYbyOG48ij59Vz3XIul6Hbvumabp6IgCb7hXG327T//AdPhkNPGf3ZQZk W4GHk6F44b82ebQH7rJHXJ1+OY3kzd55IfekNi/Qj8mEtgUmcR6zq7iozuvmO7ZG6hFi xHwgobs6EZMP6ZmUIqTWU1DMf626wD3cQvy+l91m+4Sk1afvIBEDggkOxqZFWfoM6KsB YevuEBOK+EezFNv8G8Q8oY5HoeEXxbI5zgT6FZdLk74h9k7ReCRGWWCuWbUv7XoEoyqg pQ8w== X-Gm-Message-State: APjAAAU1xzDj7P9yV9SR/QlMRVyLayaYGJDX/250YZO9s+f6LkC1Am5J 3ESb3mvAkK02wF/JNGjjIbggTrU9bX07kek0BpZwR9EQUP6f 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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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