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 A545EC43331 for ; Sun, 10 Nov 2019 11:49:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 778B320869 for ; Sun, 10 Nov 2019 11:49:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726806AbfKJLtC (ORCPT ); Sun, 10 Nov 2019 06:49:02 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:54750 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726710AbfKJLtB (ORCPT ); Sun, 10 Nov 2019 06:49:01 -0500 Received: by mail-io1-f69.google.com with SMTP id i15so10731907ion.21 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=HFhXUGEGGYjANbNNIT6MRP9xXSu2RGQWCXcixtFUthF4Uf1g/Q5SVu+pg5nWzPoFhZ ZV3PNOCuZHqGnchShNKmONXfZpku1GfpsZwXfMHlGjT7w6z5d2PErmhctpSZ+TG+Aj2q Ssh6iuB8997nV9pYbQDbo3IvXzqh1Xsu0JLOdnEo6C7peBwGizV8e5Bfh3dm1e1CN9Sh DPk5Xca1gS71O6TGsb1lo8NNy+gl7DBvaGvRag/R1AHBfwl8pevPW8dPzwJ92GLJMYu5 3Zbsg0MxnwQdE9yHnVta1oTGEzk5uPjbOu8dgTdFNs3shV6LmJJB0yx+lHTcmsdFwRxd 2wPw== X-Gm-Message-State: APjAAAXX39++hKK1VTc8PscLU2zpGwwQpZKoxsxlly3YNxNUkHxS2C2+ hzFvzRjMkOCiuybpbB7UjTPz0L2NkIeDO2PJFcTD9Um5vA43 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: 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 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