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 13F09C54EBE for ; Thu, 12 Jan 2023 18:14:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240332AbjALSOt (ORCPT ); Thu, 12 Jan 2023 13:14:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240600AbjALSOE (ORCPT ); Thu, 12 Jan 2023 13:14:04 -0500 Received: from mail-il1-x12f.google.com (mail-il1-x12f.google.com [IPv6:2607:f8b0:4864:20::12f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A28F66383 for ; Thu, 12 Jan 2023 09:43:55 -0800 (PST) Received: by mail-il1-x12f.google.com with SMTP id m15so9716006ilq.2 for ; Thu, 12 Jan 2023 09:43:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=rzqVGx+RTtSS9GRNBgNTR4BsLR3daQR6tFe62fjHtgc=; b=fV+5chRigo5Wu3gApESBg0WazdgspK7whWO/QDK4LRFQ59MkvDTe/NfHxiGHHjkuOj JxVvvOnIGhDQDeTrIx39lyeigKHRoLjd2xJ6L4yZWAn+Ee9qVBHRdBVdoUApmsryf5Xk GcOIJe5sD32IJ7RX3sVlWfei+j8Y0PnM7AoWGi9NUWA1a218GF9rrL9DtgOEqCwUDPcr 3guR2I1BiGesH5fXQ4pOz0HEzjQiW80X1ibK9ZY2idy1E2uYiFVRI+4ZCtYwLFX07L3z x2IadbtK0+ZBUzWj+g8FlINDK5sOduTODM+WPm6WcP+FGb8WdY8RRIak+/HNEpfiwsi4 9msg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=rzqVGx+RTtSS9GRNBgNTR4BsLR3daQR6tFe62fjHtgc=; b=Q7PTg7hpTTUupDIrtodVn2eBRiu9KQ3ohuIBU+nhZpQOoh/At1OdkKcI2fi1zCc2Pe VqWFyMLPJ+mPJw2UBlyq2o92aSGKpotNGcxLNSS2JOgS8qJIqEfiOoXWErc2FAUd9T4c giHaOXTw9wsW3/m9X/FeEgGbvZhYxx4IXTlCWL/olx+vH9NPftMOZv7TYLO+giw0hbeC 9dCcyqelJdiA8ftawILf1NcteIynDXYEKDiF73W2wzb+O9qbuDEozjqHyHbtjBNMleYj 2Z6IdTDSO/QjKwu6gxiyT72liIDie5mHIQNGQ4BvN6VxgI8qCXgq4WrVpypt5tcVUyj/ wrAw== X-Gm-Message-State: AFqh2kq98Gb25oBHk7uoOcy/BZj1f5ptyWNeQJjHFVJdFjEJppVmzBBD ecsYVpvpJLiROs9CvK6KO9Pn/g== X-Google-Smtp-Source: AMrXdXtyeEtntZ/kY6MQX3mlMceExdQ7NKGz34dYswJWOBvc9ZlDGSABXHnMYCdYchYcbY0sJ3DStw== X-Received: by 2002:a92:cda4:0:b0:30d:95cd:c5f2 with SMTP id g4-20020a92cda4000000b0030d95cdc5f2mr4116009ild.0.1673545434927; Thu, 12 Jan 2023 09:43:54 -0800 (PST) Received: from [192.168.1.94] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id o20-20020a02a1d4000000b0038a87954f81sm5434977jah.31.2023.01.12.09.43.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Jan 2023 09:43:54 -0800 (PST) Message-ID: Date: Thu, 12 Jan 2023 10:43:53 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [syzbot] KASAN: use-after-free Read in __io_req_task_work_add 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: <000000000000044bca05f20e8e16@google.com> From: Jens Axboe In-Reply-To: <000000000000044bca05f20e8e16@google.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 -- Jens Axboe