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 455EAC4332F for ; Fri, 1 Apr 2022 15:53:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345174AbiDAPym (ORCPT ); Fri, 1 Apr 2022 11:54:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352777AbiDAPDr (ORCPT ); Fri, 1 Apr 2022 11:03:47 -0400 Received: from mail-io1-xd34.google.com (mail-io1-xd34.google.com [IPv6:2607:f8b0:4864:20::d34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80B8D2976CB for ; Fri, 1 Apr 2022 07:51:38 -0700 (PDT) Received: by mail-io1-xd34.google.com with SMTP id 125so3391178iov.10 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=LbvM3qWVbU0waTFtftP24d7f5k5UjxKEPve1yOdQoPI0i+xnSAuYdrg9nBIA15CJw1 dUqGpVieef21Cue/1BeiJ3BIhPbjb6LufStinmh3tgmSLWLAcrYI0yFSxwEO1QpZOJvs DxIrWVUCUGiZua9FfpfyZCJjeZHeFVJiM5d/6Ose28kHEs61CBnYfNmJ+oaAFZqEI7Dc HdhlAbiIMiYBh0/hhYAxOiuoie6SYxL01O3MqRyHWKJAkHNPN+TY3AMQhSWR6QEy4HG9 hbxcLcb0SEwVr/Ds3DmOScnc9qIgmLtv3pUu2iqTkiMKfoCcEZ/yg2i1somJHYa17wSf DB4Q== X-Gm-Message-State: AOAM530Kr06gT3T+qjgF9QNDws5tFPDcsBlWRhR3764wD8x4zvR1UFfM D6SHyJty91DYJaBLhmKwwBJcbA== X-Google-Smtp-Source: ABdhPJzYbeqp+kwp8qzmr13henE1FZQIuNtACTLsPIF/1inWLvoPj0gol9ZBEuaZQ3uoKF4MM4aH0A== 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 Precedence: bulk List-ID: X-Mailing-List: io-uring@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