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 3055FC54EBE for ; Thu, 12 Jan 2023 18:15:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240400AbjALSPJ convert rfc822-to-8bit (ORCPT ); Thu, 12 Jan 2023 13:15:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240607AbjALSOF (ORCPT ); Thu, 12 Jan 2023 13:14:05 -0500 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F4ED95AF for ; Thu, 12 Jan 2023 09:43:56 -0800 (PST) Received: by mail-il1-f199.google.com with SMTP id r6-20020a92cd86000000b00304b2d1c2d7so13938525ilb.11 for ; Thu, 12 Jan 2023 09:43:56 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:cc:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=k76Tm9AExJH8yhWGj0bClcG043cy2CzV+QD9Vr5N/pw=; b=EHd8lzBup15CP6T861r7kvA+p5aozLxywdAcxaoyZILgB2wzK6GlFT9P1cHJZMkbMM 9lwS2XwZxLg/Lk6FAaxFpt2sJOCMMLgbzZvby9Sm77hmUj9bVPQ75vUPgzToTK7nuqLp p7hg6D3cH8Gxk6xbfl4ghKBmNvwnJ5ZZHYDTP5kaaNa+1bHN04x2m4fqAeeWpftRGmOJ Nr0KNYMB9nKFu+QmRnnBhlaxYQ0rSIvS/8eSPNSEAW53G8ISXx++jbsIyt8zOt+p1if6 6Iv0V7PCHYQuvQtjZQERabjysmplE9EVCQF/n4UHfhQ5mrkTePaJx1URsvUcffkWadr6 b+Ig== X-Gm-Message-State: AFqh2kplsz8ycO9CvHn1xer7Yg1kDExcN9BxTkJEE4Ub39Bnwn+HYEga HHXaby6+xvZT90mw/TcTobJAxfVAzpa7IB8POboRV0gT/Jju X-Google-Smtp-Source: AMrXdXuj0Sq65PVMwZ8u6T39249nH2iGCEJYwj1ru2xGXO/yjTT6+NFpYyDwHBwUiZIWSUlV+lbSoNFMv7BhY7OULa0+xqmKRhGR MIME-Version: 1.0 X-Received: by 2002:a92:c011:0:b0:30d:95ce:5d88 with SMTP id q17-20020a92c011000000b0030d95ce5d88mr2725503ild.186.1673545435930; Thu, 12 Jan 2023 09:43:55 -0800 (PST) Date: Thu, 12 Jan 2023 09:43:55 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000396a8b05f214a98c@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in __io_req_task_work_add From: syzbot To: axboe@kernel.dk Cc: 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" 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=111a5a86480000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=835f3591019836d5 >> dashboard link: https://syzkaller.appspot.com/bug?extid=01db4d8aed628ede44b1 >> 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 This crash does not have a reproducer. I cannot test it. > > -- > Jens Axboe > >