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[2620:137:e000::1:20]) by mx.google.com with ESMTP id f6-20020a056a00238600b004fa3a8e00a7si4111581pfc.350.2022.04.01.16.43.35; Fri, 01 Apr 2022 16:43:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20210112.gappssmtp.com header.s=20210112 header.b=EQFT0Jhw; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351359AbiDAPop (ORCPT + 99 others); Fri, 1 Apr 2022 11:44:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352776AbiDAPDr (ORCPT ); Fri, 1 Apr 2022 11:03:47 -0400 Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F76B2976C9 for ; Fri, 1 Apr 2022 07:51:38 -0700 (PDT) Received: by mail-io1-xd2c.google.com with SMTP id g21so3371558iom.13 for ; Fri, 01 Apr 2022 07:51:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :references:from:in-reply-to:content-transfer-encoding; bh=D14pWmbu4syU7uJkQHRgnmv++dTH97de4155oI8GfsE=; b=EQFT0Jhws+NvlMFDO4cBK8+vf0xZwe0spwHwZaPLSg4VvMLB7O/3/xcGChCgFxwUDT WeDHcSV03eHkg/jH1HOSCi+2geSHjLXmNnPSX/kJkH39OL7XtdYiO5wMnQDkcOePvXVS GkyogTnrt9Ur/DBa7KVq6IJHpHn/Ktp0atNXyZDLmoCV0TMJx6/KFawzKNvzg1YAYKu5 TEbVn0a2cGn/HNgWKylLCrvPMh4SqGx6mieBvI4hYr7UtHiMYoGbCsCFPMu0QAKzlRpt udKy5AXiB/YJYg7HbQF5mzHyQok2/LNQiv2Kci7T8vV15xkuTExtph5zrk6goZh+9QoT ia2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=D14pWmbu4syU7uJkQHRgnmv++dTH97de4155oI8GfsE=; b=6WoJKFVJGogHydCTGPDAdnYJUJCw2Bu5QVKwfNUAOcVl0jkbAOWJneLzBf6+3o/OuV 5ykHoR2etIKstCyocj6Hf49d+4yEqYp6w+e0PTy0q0jtpM7NhBQz5SAmGU5YvyvqyfUS 6n/u50OGsybg519KCO3h8NI3eaZeo6QgGVuC5MNLhYfpOFnbMkLHlaIKOCHKWwNnrkxQ AwHhcEnZXD9+5p806CPCl83tWIXFcV6gXVJAWO8KbJVL+M2FbX8wfe8Ixw53suYMK93T wpsVninF/7pTc8gVlb4SyTrawkF1+Z4ZcitNskP6vz7mquREmAdcBKDCoPNix/WawUvE iiYg== X-Gm-Message-State: AOAM533mwsDJ+UnyG56OqcqX+/woXsk4a4BE6RrEPcJ49InRxrmkOskU PBN2DAqNkOVKGrg/WQNAjoV0BpyHa12arSdH X-Received: by 2002:a6b:5d19:0:b0:645:c7ca:7ca with SMTP id r25-20020a6b5d19000000b00645c7ca07camr68440iob.104.1648824697737; Fri, 01 Apr 2022 07:51:37 -0700 (PDT) Received: from [192.168.1.172] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id v2-20020a056e020f8200b002c9a9b96b67sm1445723ilo.23.2022.04.01.07.51.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 01 Apr 2022 07:51:37 -0700 (PDT) Message-ID: Date: Fri, 1 Apr 2022 08:51:36 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [syzbot] KASAN: use-after-free Read in io_poll_check_events 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: <00000000000009bb4505db96e211@google.com> From: Jens Axboe In-Reply-To: <00000000000009bb4505db96e211@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/1/22 6:26 AM, syzbot wrote: > syzbot has bisected this issue to: > > commit d570aa1c4f191100f502edfc240e8d49687f62ac > Author: Jens Axboe > Date: Thu Mar 31 18:38:46 2022 +0000 > > io_uring: drop the old style inflight file tracking #syz test git://git.kernel.dk/linux-block for-next -- Jens Axboe