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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7873DC61DB3 for ; Thu, 12 Jan 2023 18:14:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238535AbjALSOa (ORCPT ); Thu, 12 Jan 2023 13:14:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240575AbjALSN6 (ORCPT ); Thu, 12 Jan 2023 13:13:58 -0500 Received: from mail-il1-x129.google.com (mail-il1-x129.google.com [IPv6:2607:f8b0:4864:20::129]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29E17CD9 for ; Thu, 12 Jan 2023 09:43:34 -0800 (PST) Received: by mail-il1-x129.google.com with SMTP id i17so4863298ila.9 for ; Thu, 12 Jan 2023 09:43:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=fN5m404PqfKo6mXnNaQnC5y3bekflD0yVbmEP1ni1qU=; b=F+Ms3B4z8uVLxOb+TvJcbf4bzsbxEKmNBAxIsL3yrIq+dznAwC18CU/4tfCH/CFeYx PiiYw4AbnLoz4sVTfYNS7qK986hOsMlpC3zPQeGt4UsyUFlxL/fAgxLnSK2HOFxZXt18 ABDsok2bIDpQ9OhYZ9O3unVVbRmi/FbMZci5+0bPot5IlAs/+UKoCujFuAlsRUHR+z9J td/H1TH/dUjfvltdzeLc/58s2FpSqXNzX5YLCkapQF3JaCIXzVP5e2tMjqrG9ktz8+KB CoMEXOtP+zm6R8dwXqlcacBxoKYt7Pn2EIbvZusAoW6yMwv3XYqjKEKuT891DT76yre5 dPvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=fN5m404PqfKo6mXnNaQnC5y3bekflD0yVbmEP1ni1qU=; b=LggfkStWsWGVjHwHsdykZeqG7gIS32S2wnw1EScaciotzWCyK5+lTejAQN4SMfknU0 k3iRkc6PwvS+6XHO2pTzBIXHr79YbXaVldkcY+WxLn1/uDB/FXOU4b3KpE6J3ZfinAC4 wei2kO4b+5j+StSjYVHVme6E/3+dETRUnhF3/PTEoZHx+j0zOfbh+lr9eGhbYh6m7yyC mV9okCfhblyI0WSNrFFjBIKtO0kEui1xiAkSVc59s1lWGbPNCWxnoXpNy3hk6unq4vrA 3JKdRMIhjUejQwpQdfsRhwOYg3XlAZhbWO3k1H8HJ+SF+q8s6d+B6CizPxS8tvW4zge7 KJcA== X-Gm-Message-State: AFqh2kqIlaKQgPJGGiAMFSCpS5TFjAs0UaBEnGlMFE8m/2FcQwuwdYS9 YA4n9w2SNSHLliO4PSD+W0ijvA== X-Google-Smtp-Source: AMrXdXtmoXDyCwb5E8LS6ZiL/M29SLWlLhJf9xwrWmo2j/HwoedCqsGBlmWt1xcK+sOFcE5cPmjqrg== X-Received: by 2002:a92:c151:0:b0:303:9c30:7eff with SMTP id b17-20020a92c151000000b003039c307effmr11673649ilh.2.1673545413489; Thu, 12 Jan 2023 09:43:33 -0800 (PST) Received: from [192.168.1.94] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id l10-20020a02664a000000b0038826e709e2sm5324192jaf.111.2023.01.12.09.43.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Jan 2023 09:43:33 -0800 (PST) Message-ID: <3c64a290-5134-2030-a2da-9ec2b1efc0c5@kernel.dk> Date: Thu, 12 Jan 2023 10:43:32 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [syzbot] KASAN: use-after-free Read in io_req_caches_free Content-Language: en-US To: syzbot , asml.silence@gmail.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000077d5905f20e8ea9@google.com> From: Jens Axboe In-Reply-To: <000000000000077d5905f20e8ea9@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On 1/12/23 3:26 AM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 0a093b2893c7 Add linux-next specific files for 20230112 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=1605ee86480000 > kernel config: https://syzkaller.appspot.com/x/.config?x=835f3591019836d5 > dashboard link: https://syzkaller.appspot.com/bug?extid=131f71f381afff1eaa35 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > > Unfortunately, I don't have any reproducer for this issue yet. #syz test: git://git.kernel.dk/linux.git for-next -- Jens Axboe