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=-5.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 7E1F9C433E7 for ; Fri, 9 Oct 2020 15:06:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 25B2322276 for ; Fri, 9 Oct 2020 15:06:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="ZQ9oaMIT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389074AbgJIPGD (ORCPT ); Fri, 9 Oct 2020 11:06:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388851AbgJIPGD (ORCPT ); Fri, 9 Oct 2020 11:06:03 -0400 Received: from mail-pg1-x531.google.com (mail-pg1-x531.google.com [IPv6:2607:f8b0:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85B7EC0613D5 for ; Fri, 9 Oct 2020 08:06:03 -0700 (PDT) Received: by mail-pg1-x531.google.com with SMTP id h6so7397057pgk.4 for ; Fri, 09 Oct 2020 08:06:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=A4XLS9Sjb0ikJRP/ak6wlSN7JYLZDRt38oqZQ2jJOjA=; b=ZQ9oaMITG9omPFizmclPGoPCPuXbLk2d/ORRMFXeNE0/QT6egL2gMaCM4LeFjX8Zww lDMpImKE0EfQ5JsVDFcbn7ANWtSNGI+OvjKcqDgI3wl1WrewhTysMD65Mx9cyBRlSrh6 bYq6VsNL3hF8Y2HAMLca3xgkkpZqIRv9Xyyj6hvtoOP/gd/VBull1kxw+haEkag1u8Z7 rt3zteJuytSg7APNPVIRYgBYqpnZ2cJi3eEwjX/mHaYedJfW/9vrk7nFLVhv72If39jS Isd2PFli6inxukMCaR9YKJzg//S6dEycwkER8H8dUnW8coPYCyR+ByKPycNLCWe5k14j E4HA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=A4XLS9Sjb0ikJRP/ak6wlSN7JYLZDRt38oqZQ2jJOjA=; b=Zq1vPLMKZ9Jc9dMC2x6hQjN53eOUodVHdxQThpcwMqUZ1zvV5S4edkfihDADg/6Kn+ pszRrymEZIFKuNzZmZeVnj1iCiiBs3zAqylkoaOME+gDJiBntIBahhu05cN+ft9tptTm zhdEqdGDqVUqfta3oyIC4h4BzRn4QldlIUP3yH5/aRmMm0wAtlM0biMrKfLzA3ZE9Mdo 5TW9Tgv4j5ytlRJrybIIfQSDi2n+YLPK0Izo5BQGVrQq+1LyOHixEjOG84CCetjiKHOb zJ4TPuhxcCDZJ1krWM7sFXPoa9FoXHqWAYgpnVktr275tS0j4DQ8taKtkc37kddqQmcH vKpg== X-Gm-Message-State: AOAM533ds1zFF4gjJ14nTCrlCNU/eS4CulZ6wGowvJoEI9QsgzTSspCN CXc+Y1wkUI17YNtD6o3LlSjW6g== X-Google-Smtp-Source: ABdhPJzGUj5KeKjBc2Qgt2BN1KwvpMRzspLOSifYIVUG7Bw8O2BUe8bxhTK94Ag06rFZrDfGNRgVTw== X-Received: by 2002:a62:dd02:0:b029:142:2501:398c with SMTP id w2-20020a62dd020000b02901422501398cmr12263183pff.81.1602255963045; Fri, 09 Oct 2020 08:06:03 -0700 (PDT) Received: from [192.168.1.134] ([66.219.217.173]) by smtp.gmail.com with ESMTPSA id v3sm12779295pjk.23.2020.10.09.08.06.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 Oct 2020 08:06:02 -0700 (PDT) Subject: Re: inconsistent lock state in io_uring_add_task_file To: syzbot , io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk References: <000000000000358ba805b1385785@google.com> From: Jens Axboe Message-ID: Date: Fri, 9 Oct 2020 09:06:00 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <000000000000358ba805b1385785@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org #syz fix: io_uring: no need to call xa_destroy() on empty xarray -- Jens Axboe