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 8D1DAC6FD19 for ; Mon, 13 Mar 2023 14:39:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231370AbjCMOjU (ORCPT ); Mon, 13 Mar 2023 10:39:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58262 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231263AbjCMOjR (ORCPT ); Mon, 13 Mar 2023 10:39:17 -0400 Received: from mail-il1-x12b.google.com (mail-il1-x12b.google.com [IPv6:2607:f8b0:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA8F5521D2 for ; Mon, 13 Mar 2023 07:39:01 -0700 (PDT) Received: by mail-il1-x12b.google.com with SMTP id r4so1062585ilt.8 for ; Mon, 13 Mar 2023 07:39:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; t=1678718340; 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=biHpc44iJmhTQMXzPILSB3Dtj1gWIfkozqieuT+FT+M=; b=BRcYKv+yl+jOBiXAyKm6M1YfTxkOtvDHpJaLlfog1pzqaLwD/TeJKoy5ijFszbahwH q75EkLpk/K1FMmRXuRY/UVmyIDOZR12b77dzKTIq5ULP46Tm3ViGgEzzSKOIe+Ho3Xxw sU2aDh/q3BGjMDPM4YtoR9Sa9jNfnNYm7RLf7GlS1OhR0mdBYo2EjUjpQU4R4P3FSdXb ejiYC0ZX7g0daEYHnbS8YRCmciZUfxw9+VPX8mOmVkPaOlYmtTSTLmO51awmpi5pbiCT QnPLN6BufVuDbYgisBe+ah/UgdUXpPravxltD2GOaTWFuZJnNAXXCzaxMaCiiLAZFkzp OjFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678718340; 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=biHpc44iJmhTQMXzPILSB3Dtj1gWIfkozqieuT+FT+M=; b=oxfQ7pWbkExhSaBBTkAuCJb+60K6ZENqmmiw/MDzI6kC+vubh/aDLmNKn7vYjynY/y tMd3pMZWqLn0MqznLMBJgO5RdI8N0PXVEZvsaJrYxv3fIdezQWEke9yAREVfxDuS+BOl BBpNN0JuEV/ktkg6aMCk0oboVrkvrJMhAkm6w1PDWQY3mcLsZ7EPf3OcyRnZVsJOjyfr 5UHie5JJHnvjDVpIMjdXeS3U1rYJcCHBiW0YvPLVyJ6FNsgjBARawzO20Xkb1C/cj1Fb Mc9c/5yrfNEO1kRqACHjnrVBswR1eNlOitYZcalCBcjBcMEKUin1Y2PZqSfYo7AAMCTS qvXg== X-Gm-Message-State: AO0yUKXz1KUDy8R46I8ugPs17tlv8v8miTZtSsVjQJOAWazVzfKfTe01 4+seZ6p+RTSaAtvDpdKo17jCeg== X-Google-Smtp-Source: AK7set+eYqOURxsFsJb1OyYRxxlMjY73jEvlwlCZTLNnQgnZvIcJzjbGN6NSElEdxbrRWIuN4PpBRQ== X-Received: by 2002:a05:6e02:6c2:b0:317:94ad:a724 with SMTP id p2-20020a056e0206c200b0031794ada724mr9158786ils.2.1678718340187; Mon, 13 Mar 2023 07:39:00 -0700 (PDT) Received: from [192.168.1.94] ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id h5-20020a02cd25000000b003a7c47efde0sm95431jaq.11.2023.03.13.07.38.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Mar 2023 07:38:59 -0700 (PDT) Message-ID: Date: Mon, 13 Mar 2023 08:38:58 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [syzbot] [io-uring?] KASAN: use-after-free Read in io_wq_worker_wake 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: <000000000000bd527205f6c8fa41@google.com> From: Jens Axboe In-Reply-To: <000000000000bd527205f6c8fa41@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 3/13/23 8:32 AM, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit e6db6f9398dadcbc06318a133d4c44a2d3844e61 > Author: Jens Axboe > Date: Sun Jan 8 17:39:17 2023 +0000 > > io_uring/io-wq: only free worker if it was allocated for creation #syz fix: io_uring/io-wq: only free worker if it was allocated for creation -- Jens Axboe