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[2620:137:e000::1:20]) by mx.google.com with ESMTP id q1-20020a170902dac100b00194635a92fdsi1787657plx.525.2023.01.12.10.32.32; Thu, 12 Jan 2023 10:32:38 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20210112.gappssmtp.com header.s=20210112 header.b=fV+5chRi; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240443AbjALSPV (ORCPT + 50 others); Thu, 12 Jan 2023 13:15:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240599AbjALSOE (ORCPT ); Thu, 12 Jan 2023 13:14:04 -0500 Received: from mail-il1-x131.google.com (mail-il1-x131.google.com [IPv6:2607:f8b0:4864:20::131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A29E86438 for ; Thu, 12 Jan 2023 09:43:55 -0800 (PST) Received: by mail-il1-x131.google.com with SMTP id u8so9679976ilq.13 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=uL5eg1837nFSoXLqPBb8LAjLZuBpRrwTY+VcQzP2p9ZxT/4srskFMAiTx4ioC+VMUG tBDHZTg/jWIJMiRl92y9ChAmFL3CgUSdbv19CvEFZy1OkovBaPreXmxChhleNtggCOhA IozbBhalHo94PUBlqVv32PpH8JZcHJXaImlxf2lLGmFUJyeVlu1jjT+P4gQmGzzATSEP 7qv/mljKHnl/3wurPtLx28GTUgEV2i7nXgvwnUec/AaqhR+bREtv5fBgXumDgODzSbjL eK7ihd6E4j/QZnEmyyFGmfkGr8zwABIbbiYp252qAyf2x0R1nBdqN0LAj/a475jtsdoC dWSw== X-Gm-Message-State: AFqh2ko42Fg8jAWlZ3DAvzreqo0eycS7Fs1lcQQm/khlpHUofUNI8wF6 FT2SgdaSSzIPduKKn/h/H/zlrw== 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 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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