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=-3.7 required=3.0 tests=BAYES_00,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 93916C43461 for ; Thu, 17 Sep 2020 01:42:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 58CE72076C for ; Thu, 17 Sep 2020 01:42:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726101AbgIQBmK (ORCPT ); Wed, 16 Sep 2020 21:42:10 -0400 Received: from mail-io1-f80.google.com ([209.85.166.80]:33624 "EHLO mail-io1-f80.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725886AbgIQBmJ (ORCPT ); Wed, 16 Sep 2020 21:42:09 -0400 Received: by mail-io1-f80.google.com with SMTP id l22so640466iol.0 for ; Wed, 16 Sep 2020 18:42:09 -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=/sygnsQByh+EwXCfZR6Do2whKxLsSoSrY8B6J/yTUtY=; b=KeNV1IG6SADDtV5cNJV5rKnOiB/eAPuKig8CzyzKogMfPhyfxDLRxzwO/9vR8BzKnV 3/4WrCwTRQCCILa0o/p4GOuq9TXahSLKy3BnAHtKNMqJ9zZlQ6mmIHfRAjKjwypFU01a fHCjUHze47jWhAyBOx5mauglB3ufruYXWAd7CXJyC0DpjguIyJqLRhwI9LZaahJah8XW dGpprSETNb8WkWNEVLur8/L9V7An8CihhurJhQJ1mA2gptqyoBLOpR4x7FMBP8zv4pJ7 JqTbBk5aX3lG8hXzLJtAoR8Abd8dir/GFoBWO/mzl5O42IZHDlnRdQyMv+kRB++a6j0y Bt8Q== X-Gm-Message-State: AOAM533MPVSXzEUi3s6EMb6XIT8XasCnbooKdBillNnD1aCt/EDbOUF8 2qwax+8B4HNiNBYBgofR6J5EJE/VpeBbUY9AfuuRpHcEs0lV X-Google-Smtp-Source: ABdhPJxVMb+uOEerKF5s9Gb1ikE6JGsTujv7BAzkTlHPxkcCj/j3pCJ5o+iyWmzehBveVDnI38KnOrlXHDSc07kAYD3TL0Ym9yYi MIME-Version: 1.0 X-Received: by 2002:a02:6607:: with SMTP id k7mr24979424jac.91.1600306928703; Wed, 16 Sep 2020 18:42:08 -0700 (PDT) Date: Wed, 16 Sep 2020 18:42:08 -0700 In-Reply-To: <000000000000391eaf05ac87b74d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000004632a05af787ebf@google.com> Subject: Re: INFO: task hung in io_uring_flush From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@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" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org syzbot suspects this issue was fixed by commit: commit b7ddce3cbf010edbfac6c6d8cc708560a7bcd7a4 Author: Pavel Begunkov Date: Sat Sep 5 21:45:14 2020 +0000 io_uring: fix cancel of deferred reqs with ->files bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=173d9b0d900000 start commit: 9123e3a7 Linux 5.9-rc1 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3d400a47d1416652 dashboard link: https://syzkaller.appspot.com/bug?extid=6338dcebf269a590b668 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1573f116900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=144d3072900000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: io_uring: fix cancel of deferred reqs with ->files For information about bisection process see: https://goo.gl/tpsmEJ#bisection