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=-14.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 A8F6CC433B4 for ; Fri, 7 May 2021 19:41:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88BF561426 for ; Fri, 7 May 2021 19:41:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229888AbhEGTmQ (ORCPT ); Fri, 7 May 2021 15:42:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229890AbhEGTmP (ORCPT ); Fri, 7 May 2021 15:42:15 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 629D7C061574; Fri, 7 May 2021 12:41:13 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id o26-20020a1c4d1a0000b0290146e1feccdaso7077504wmh.0; Fri, 07 May 2021 12:41:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=QMBN8Tzu87TXoXrnymaHyiFE3K8qYGQVXLsHEsQ4PM8=; b=Az5G/KWkSaUjdKlRJbJ5sIMQIMeKHXlFUckMG4iDmwaLZnBpAUTx2CQz+DnuMND6Im UpVvWDEj/HtEcsMMa+SxAiGQU7YyEBer3d3Y+RLIKD4XqphuJg5MVwLYHvVP0yO054eb 9VkcDnSgR7zMhcpnwobU0dKit0Z2cG9IwQn+LllGoia1maRoSwgjAfBbnsmwjxR/Pmhf GMv4vONT0BqrSeMqRkPTO4Lo+029afglFCKPjSlKt8kcNYA4hjQT04X4FzcYtfhL+Nu7 esXuvFQnV/yovdT3jCx+oveZMZAE/c5Vdp+oyx+VoV7G8xbT8+6lqeYa6vLLuuYLtv26 3y2w== 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=QMBN8Tzu87TXoXrnymaHyiFE3K8qYGQVXLsHEsQ4PM8=; b=Vys9mckjSn0Vwn568XnSEWu0O9cICQvrx0kzAYyPoppTTX8u7lpJoMPhdmJNWtCHGP F6h+w2qmi2JW5m+ZRrGYYyF0byWGo6xXnd/JSWVaW7cVuGCn2VL6OD5Ak62nsi48wvhH GNpiwubfn/4pggjAeCbVu5Ejcp2lhGkTgyLlAniVdcYde0M2ZggAo3j/fZrpuXeeCoBc sSeAKfpzK72zyO4KMQpy6FJlC5dYnMxRpUaU167Tcs+Gse8GeegfxbhjSd2O7lBlTkAS NlqHyzEZRn73TFPmxPTW1Nbhhrlfw13EeUBA9VciRelhYW9ytUtnuKBBLOFD4qVUfaQO tWpA== X-Gm-Message-State: AOAM530mH8/++g2QW2gOrPlFbOGuqs3WnnhTuAxkJILDoRCpDt9ceVoV rU7C7TTYSxfysxFiEjXPW1Y= X-Google-Smtp-Source: ABdhPJyFgpJnA4wzYpF16SW9RpI9dHFvLtPShty/dUf9yF3X8dFkaARWyR9O3FDkZiiDBh/3Yt8eYw== X-Received: by 2002:a1c:c5:: with SMTP id 188mr12011780wma.5.1620416472178; Fri, 07 May 2021 12:41:12 -0700 (PDT) Received: from [192.168.8.197] ([148.252.132.80]) by smtp.gmail.com with ESMTPSA id m16sm9614417wru.68.2021.05.07.12.41.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 07 May 2021 12:41:11 -0700 (PDT) Subject: Re: [syzbot] WARNING in io_uring_setup (2) To: syzbot , axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000b48d0f05c1207964@google.com> From: Pavel Begunkov Message-ID: Date: Fri, 7 May 2021 20:41:05 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <000000000000b48d0f05c1207964@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 On 4/29/21 7:15 PM, syzbot wrote: > Hello, > > syzbot has tested the proposed patch and the reproducer did not trigger any issue: > > Reported-and-tested-by: syzbot+1eca5b0d7ac82b74d347@syzkaller.appspotmail.com > > Tested on: > > commit: 0c8ceb80 io_uring: Fix premature return from loop and memo.. > git tree: git://git.kernel.dk/linux-block io_uring-5.13 > kernel config: https://syzkaller.appspot.com/x/.config?x=3d4238f574736e51 > dashboard link: https://syzkaller.appspot.com/bug?extid=1eca5b0d7ac82b74d347 > compiler: Debian clang version 11.0.1-2 > > Note: testing is done by a robot and is best-effort only. #syz fix: io_uring: fix unchecked error in switch_start() -- Pavel Begunkov