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=-13.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,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 69417C433ED for ; Mon, 19 Apr 2021 15:02:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 48E9B60FE6 for ; Mon, 19 Apr 2021 15:02:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240695AbhDSPCg (ORCPT ); Mon, 19 Apr 2021 11:02:36 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:45049 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240662AbhDSPCf (ORCPT ); Mon, 19 Apr 2021 11:02:35 -0400 Received: by mail-il1-f200.google.com with SMTP id q7-20020a056e0215c7b029013ea7521279so11607211ilu.11 for ; Mon, 19 Apr 2021 08:02:05 -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=WMrYoKskNr7U70R71k3smKLM3Le7PTj2L2OFTVziLOM=; b=IAOw3xTaLxkUG0FmUjzTzs8ekE91qFbEolZAcDU5BTdjjAtICB5FIFQA9I3/NQMSTP eBDfq0mRfQUaIe2d5dpAF17fo0OJfmHcaeFKbw2CuWOnXYtlO6ih22GiZ0IQC/XIdAD4 yst5TlzKMt825Kn8D9ktiJlIxLFP+rmkENNcjFnhmkdvjiPxGC36Ajy7+djQ4WXPjQKm cy/xMgHXjulyXXZTMOUyjxrfDwqhC5mLpx9vjxVlVEJa309crOma4DZrlqLgSzu/ZSL/ U5uv28EHtIwcb305ME2841sH4O6XqdmgVsJcSxZRVqCPaeZbY4poXHGnpdEa/ub/pm3B H3ig== X-Gm-Message-State: AOAM532etxRwyBAtBznoiVBjUT8v5K66o9GJnVCCo2Ed4ojmrEwDTxgb TtxzA6Jl23Q5EA611cXYahVboFcMMp9My6tTfjV64R++vGa+ X-Google-Smtp-Source: ABdhPJxYspjPxbt+oEACm+W93vLXmTGM6mpe1oQlCLjG/LKWOtqLnPpBqJY/Q6iaKq+tNonPoDwvDyRgWFknhroP/xGQrazCyEeB MIME-Version: 1.0 X-Received: by 2002:a02:1c07:: with SMTP id c7mr16825882jac.111.1618844524745; Mon, 19 Apr 2021 08:02:04 -0700 (PDT) Date: Mon, 19 Apr 2021 08:02:04 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000dc7eb305c0549c1a@google.com> Subject: Re: [syzbot] WARNING in __percpu_ref_exit (2) From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, hdanton@sina.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+d6218cb2fae0b2411e9d@syzkaller.appspotmail.com Tested on: commit: 75c4021a io_uring: check register restriction afore quiesce git tree: git://git.kernel.dk/linux-block for-5.13/io_uring kernel config: https://syzkaller.appspot.com/x/.config?x=1dfd9a1e63100694 dashboard link: https://syzkaller.appspot.com/bug?extid=d6218cb2fae0b2411e9d compiler: Note: testing is done by a robot and is best-effort only.