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=-12.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 3DE7FC433EF for ; Mon, 13 Sep 2021 19:11:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2476B610CC for ; Mon, 13 Sep 2021 19:11:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240782AbhIMTMZ (ORCPT ); Mon, 13 Sep 2021 15:12:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238493AbhIMTMY (ORCPT ); Mon, 13 Sep 2021 15:12:24 -0400 Received: from mail-io1-xd42.google.com (mail-io1-xd42.google.com [IPv6:2607:f8b0:4864:20::d42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB890C061574 for ; Mon, 13 Sep 2021 12:11:08 -0700 (PDT) Received: by mail-io1-xd42.google.com with SMTP id z1so13548656ioh.7 for ; Mon, 13 Sep 2021 12:11:08 -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=5bQL7fnkPD6fAv1sUB1Zwl0EAvo0uwPEO1nytkIz0sY=; b=pH4G1sFodjRm/zAnXGeia7JvtvmPDjoxPT+Jp8P0JUDZMupj6gR6QKNjDvigSI/giV QByHDqNWAGmc4s57TikfJFY2ScjKdawEL2/sMhErw7EiTxtZPidAf9wkexUQMCNyXFyW u136JAz9tRNqOx+3/3K49QnGMBDgGKkkwFxRLmwI4MwF05fC21E9nV3OJAGMgYRhuXXV CigWlJpaQXxJaR1HWuUof4llDxnK7tSZ3R5EthELR+6ZPhOSG3y8ksqeWX5VyvIB3QVc a3DJZzwyLjodQwuHq5WUPy0yFvaR0jHOXxXYZjz2K6elk8NrfCMCG4FRs0dlfZRRp1A5 ZxFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=5bQL7fnkPD6fAv1sUB1Zwl0EAvo0uwPEO1nytkIz0sY=; b=JQYmzjKpZIaBL5cMgNk5JMV3hum4wnVyg/YQBcPFlHCXsrtBjogn8SB8veVSNK9jNj aZUJTvqUUqEiA5wejIyqaLAHztm18Vi85kHxGOCPZ2f3d6wnPBEPvm82Xhu8AtRM0cqb qZ2lKhnBHn6q0QNc01ceAnjW/mOh2gvyLgbOWxpv9stmiT+WWQrzS6gfmh/lBfShDVog G+rlOHPkfUGf8H117l3sznbU6mDTUuHmgg4tMzpMQtuNBGisbHgISid4mJmRJ+muW9GI L7tHHea/OtTYLhXyVnSaJ1Nhg76gEMiAdCWAynKpl8aLXCzCkZcF0wRICpWD52nl0IGD u12Q== X-Gm-Message-State: AOAM531NTZgdXtQm0uaqowpjn2I2zoepdeXUfoqCPlmigxDg4jPaN8mn WpHdMdquWkA5JBftlePCX2RduQ== X-Google-Smtp-Source: ABdhPJyFupFHIFXwYH9E1NYUZ85LhbkxGFSW7/JY6X+6KXNOe+DyqsQPOHfi1Wei8xAbR1R7Wud/aQ== X-Received: by 2002:a05:6638:dc8:: with SMTP id m8mr1706561jaj.21.1631560268051; Mon, 13 Sep 2021 12:11:08 -0700 (PDT) Received: from [192.168.1.30] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id o18sm5215735ilh.52.2021.09.13.12.11.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Sep 2021 12:11:07 -0700 (PDT) Subject: Re: [syzbot] general protection fault in io_uring_register To: syzbot , asml.silence@gmail.com, io-uring@vger.kernel.org, johalun0@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <0000000000008f30cb05cbe4af29@google.com> From: Jens Axboe Message-ID: <8428f733-ae95-f57b-8d42-6c7a279f4d84@kernel.dk> Date: Mon, 13 Sep 2021 13:11:06 -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: <0000000000008f30cb05cbe4af29@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 9/13/21 12:32 PM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: a3fa7a101dcf Merge branches 'akpm' and 'akpm-hotfixes' (pa.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=17da7b93300000 > kernel config: https://syzkaller.appspot.com/x/.config?x=ddf81d5d49fe3452 > dashboard link: https://syzkaller.appspot.com/bug?extid=337de45f13a4fd54d708 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=129e9da5300000 #syz test git://git.kernel.dk/linux-block io_uring-5.15 -- Jens Axboe