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 EB0DEC433EF for ; Fri, 1 Apr 2022 15:52:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237824AbiDAPyg (ORCPT ); Fri, 1 Apr 2022 11:54:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34452 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355700AbiDAPY0 (ORCPT ); Fri, 1 Apr 2022 11:24:26 -0400 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23A7D261DE4 for ; Fri, 1 Apr 2022 08:04:10 -0700 (PDT) Received: by mail-il1-f198.google.com with SMTP id g7-20020a056e02198700b002c9f4289eecso1958218ilf.13 for ; Fri, 01 Apr 2022 08:04:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=8yOa6HuejIm3U0gNOJjgRXpDANw22tjwWXr0RnAzX2s=; b=NinvqCYLWRsbj1rltfTmtuqkxh4bV6m3OX1tP3CEouatfmktkjytka7SO1PaiWn10c Zy79AxUGz3PS/FPf/hvOj3ioN50V7UPY/yOme1MmQysKBuLMyxnNyYNI0uh6OvmiD86c ObrWLle245C8KEoHo6dy6VordDlUjLtDO2G8ATWuxoB16ohGBaZD2l3JUR4sXMivV7nj 6gNYCL8jTVmNHvkauAcul80jteiAV5NGnIba3u1S51Z7UiTnvs4qP0OagKCFHixKTRzF c77BNlhHWh3tMoMTSSRRJmZ9d9GhOryZ6lxaxMTjWJYCRJcWUA9MQWriubxYJpr3cODd zi9g== X-Gm-Message-State: AOAM5318C4613CR4v2+y72xR8v1wkIOpt+YdqdpcPd+d/7ZeTJ8Wny1p 41ro3Zdjs3IE41iI2LzG/upldrQk9G4cB73RjSiex42jRZYm X-Google-Smtp-Source: ABdhPJxa9ojKHbnUmgR7t9lYZnxwOCkuUIvhZfL6KP42GkZa8nGSHMXgp/UMJ4S1OFAapqRreVi4WGT3Y3CqCnKT2X6BNLVTqxkj MIME-Version: 1.0 X-Received: by 2002:a05:6e02:160d:b0:2c9:eef2:3a28 with SMTP id t13-20020a056e02160d00b002c9eef23a28mr102625ilu.306.1648825449333; Fri, 01 Apr 2022 08:04:09 -0700 (PDT) Date: Fri, 01 Apr 2022 08:04:09 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000350bc805db9917de@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in io_poll_check_events From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+edb9c7738ba8cbdbf197@syzkaller.appspotmail.com Tested on: commit: 787c2499 Merge branch 'for-5.18/drivers' into for-next git tree: git://git.kernel.dk/linux-block for-next kernel config: https://syzkaller.appspot.com/x/.config?x=6a82c1abd4cbb9ee dashboard link: https://syzkaller.appspot.com/bug?extid=edb9c7738ba8cbdbf197 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.