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 E36CDC17442 for ; Sun, 10 Nov 2019 11:49:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B998120B7C for ; Sun, 10 Nov 2019 11:49:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726810AbfKJLtC (ORCPT ); Sun, 10 Nov 2019 06:49:02 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:33796 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726656AbfKJLtB (ORCPT ); Sun, 10 Nov 2019 06:49:01 -0500 Received: by mail-il1-f198.google.com with SMTP id m12so10473609ilq.1 for ; Sun, 10 Nov 2019 03:49:01 -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=muS40/M+U7unS7Nwdhba7+0opY/I2Z2pZGBBgPUq8C0=; b=Fg/PTwaP0noVHF5Na6hjzIk9qZdPp9dBu94updq7nSObJ8xfey978mYMWZzgsfXU9u vEcP4lyblsCXHcpOJM6BwdfpdNLZI5rI6wE2xCPT8gqTRm8nQdkj+AVnUwvP7ctAbVoh RnHKe3UD0pH+bjLeE/sxK+YFLZ6wI6ywA9rxSU0wWuLjtNg1FGpN7jQ31KfQpcdQOXS0 xTPWpzJ3Lxv37p88TwnZxE9vkIHM3iLm9BtpGFIuIOxccRe52ATr52iPRcvVU4VNxx4v sP9bNEHL+N05X+QxTFsFEY5bHPiNTLFPN7X6eeIkgPA8Py4UKLwcomB4dGojGqLNNNcR /NAA== X-Gm-Message-State: APjAAAVkAtqWc4z35h5KtJ8047Hh4xjsOfXyOCQzz+6PIv34hD8U47pz VTfHltbyleFcobPZ6Jb2PKIvd6CM8+bgqsEW/dtnM/OzMSgv X-Google-Smtp-Source: APXvYqwG7iOuXUzrPn9C7IQw34I7LSwhAIRpMFyONIfQ9Z8ZWhdhx/QqVwYg/S2UFNW58oOzV3uQTeJdrwTJ/Pza/72hGbJAuyfE MIME-Version: 1.0 X-Received: by 2002:a92:16d4:: with SMTP id 81mr24840022ilw.198.1573386541143; Sun, 10 Nov 2019 03:49:01 -0800 (PST) Date: Sun, 10 Nov 2019 03:49:01 -0800 In-Reply-To: <0000000000003659ef0596fa4cae@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000e11df90596fc9955@google.com> Subject: Re: KASAN: invalid-free in io_sqe_files_unregister From: syzbot To: axboe@kernel.dk, io-uring@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org syzbot has bisected this bug to: commit 65e19f54d29cd8559ce60cfd0d751bef7afbdc5c Author: Jens Axboe Date: Sat Oct 26 13:20:21 2019 +0000 io_uring: support for larger fixed file sets bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=154f483ce00000 start commit: 5591cf00 Add linux-next specific files for 20191108 git tree: linux-next final crash: https://syzkaller.appspot.com/x/report.txt?x=174f483ce00000 console output: https://syzkaller.appspot.com/x/log.txt?x=134f483ce00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e1036c6ef52866f9 dashboard link: https://syzkaller.appspot.com/bug?extid=3254bc44113ae1e331ee syz repro: https://syzkaller.appspot.com/x/repro.syz?x=116bb33ae00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=173f133ae00000 Reported-by: syzbot+3254bc44113ae1e331ee@syzkaller.appspotmail.com Fixes: 65e19f54d29c ("io_uring: support for larger fixed file sets") For information about bisection process see: https://goo.gl/tpsmEJ#bisection