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=-5.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 EE95DC433E1 for ; Wed, 12 Aug 2020 02:44:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C598C206F2 for ; Wed, 12 Aug 2020 02:44:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="iGUfgGuL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726469AbgHLCoP (ORCPT ); Tue, 11 Aug 2020 22:44:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51178 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726420AbgHLCoO (ORCPT ); Tue, 11 Aug 2020 22:44:14 -0400 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 593F4C061788 for ; Tue, 11 Aug 2020 19:44:14 -0700 (PDT) Received: by mail-pf1-x430.google.com with SMTP id x25so270719pff.4 for ; Tue, 11 Aug 2020 19:44:14 -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=0tE7MUBsHJE0Mpx1+XVH5JlNGfMN16YjoWq2ffNV8zc=; b=iGUfgGuLhp5glfj9+Q0pWAZxeqRc+45tVwKSXeadF0a/5VRBYSXZvzBjI/pIVeGlaY r1jI++wR9oMMv/M07yVeSZEOdZVtzqAOPdYlBpG5XGo6OH0muGHWFxAVKCthjOlNRJHX 3gx3vhWjA71m9uwrn2dkm1NM+Kssj/QgzRu1no70ml1wAF88WA6TohQ6gN+CZQ2619nx WK6o/OxsEA9Jet9ONq433Sq3fD5uD9HhGAIWPWZr3HaPHODpZlQOH3Serg9yTtSECxIi 0Kxvea5B+5SHfJigBC5SznJ5QKK7G5jER/Rnuwx6So2XCjXpv/u+vIHqJgVAOFFBsloU o7Og== 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=0tE7MUBsHJE0Mpx1+XVH5JlNGfMN16YjoWq2ffNV8zc=; b=pjwd146D5O6gCNHrPgDxaSst4/l3nMR8xcErzJ5/FSbqT35lm8Ihzqj3HqbfWL7xUY VU+cYms2yFNDqIHtNGRA77Kr0vU2388fR1LpUzliqI5JHfmDWEwMr/03RzHV1FEABVQn wyeGbXSXVdzPOAxguhHkETxarP+ktKAyd1AlGiYGFUgE3nbwQhAGT0DN55ullvnjhxKI kPfA3GdxdC6kuASODh2j8dXLpcCLYY8y+u8PeOe6677sZLvhxeo7NW1oUqrNkDzDtaF8 BGrG5axwkFFqOlNjjnFVxlHx81frGS6+PVY9vwKXZ4cFWbiML8A74Yqa6JejP6mL+f/7 XrzA== X-Gm-Message-State: AOAM5316Sa+c+s7m8GTs7Pp8nVOz7NiPZ/hNLBVs8crBr7V/6wpHB45l 0701/TMYEPAx6E8JyyJHePR21A== X-Google-Smtp-Source: ABdhPJxIC7s/N3U1+eyQRUwRFQ1XN7DSLT80VYkwubWr1q+bYuMwnlIB4hpElOY20MAM3xaNdrea/w== X-Received: by 2002:a65:63d4:: with SMTP id n20mr3349103pgv.213.1597200253567; Tue, 11 Aug 2020 19:44:13 -0700 (PDT) Received: from [192.168.1.182] ([66.219.217.173]) by smtp.gmail.com with ESMTPSA id 196sm455852pfc.178.2020.08.11.19.44.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 11 Aug 2020 19:44:13 -0700 (PDT) Subject: Re: KASAN: use-after-free Read in __io_req_task_submit To: syzbot , io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk References: <000000000000e5b60405aca4c517@google.com> From: Jens Axboe Message-ID: Date: Tue, 11 Aug 2020 20:44:11 -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: <000000000000e5b60405aca4c517@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org #syz dup: KASAN: use-after-free Read in io_async_task_func -- Jens Axboe