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=ham 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 BB891C433B4 for ; Mon, 19 Apr 2021 15:02:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A0700611CE for ; Mon, 19 Apr 2021 15:02:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240680AbhDSPCf (ORCPT ); Mon, 19 Apr 2021 11:02:35 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:57328 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240663AbhDSPCf (ORCPT ); Mon, 19 Apr 2021 11:02:35 -0400 Received: by mail-io1-f70.google.com with SMTP id y20-20020a6bd8140000b02903e6787c4986so4876235iob.23 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=DetL7RqYihva8kV+Yhj8XB5oSvinPo7BDUndiFA19wbM3mW9TGM/VjRI2LXFynPdop UVglUWTH0tvHiQfBwoJ9zTdUmsZCAZjcaxICXM7cTMjczHh4S4oid/C+pfSa2x7Zr40L MsxgT0MPYhM3fJrxNAUOicAkT8P0Fwl2iHQfUmyY4rI+Zp2i2gNV+NblzdNRZBV2dN/3 YMBFTbt1LoR2iaDtVv83w05vxcyhNBsKke/aOotpJ3jSDQH1fdH21ly7aSx4uxe9Rzg+ 0n5lvbjbYwPvfkPnTAS1XcmE9HGGOOp8It3ds9yGYQpmaq3ALXyIRdZq+iCPgXRsHpLw XS8w== X-Gm-Message-State: AOAM531BrfOQLJGvv9mS+w2ssJ33xjHLWHcBxcxz+0WVTRP+5GpLoWlj fQGp+ghAIYFvznDnzoqGnNxnFf+wSdVBC884Ps608T4YocjF 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: io-uring@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.