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[23.128.96.18]) by mx.google.com with ESMTP id q9si9292057ejx.279.2020.05.25.01.05.51; Mon, 25 May 2020 01:06:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=bl8G0I+c; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388956AbgEYHE6 (ORCPT + 99 others); Mon, 25 May 2020 03:04:58 -0400 Received: from mout.web.de ([212.227.15.14]:37821 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388385AbgEYHE5 (ORCPT ); Mon, 25 May 2020 03:04:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1590390288; bh=XN/8bP+JztC7FWmfDY5wchPuBCjRd/bzjUXLltJmfFk=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=bl8G0I+cjJijgkq0QF1yjzi867NlsmzsB9O//XGhyeh+kIsl6mL2aSFURAp54bh6Q yXqjCVtuus0/Js3Lv4CmekLFwO1rT+EIPTgwTdy25CxQ8cFNheamx9RxO7g3/UJ1Ys 9HW2v+VJTZQOgqlpt2a2G8L7Bitoq8j/e03rh+HY= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.135.186.124]) by smtp.web.de (mrweb003 [213.165.67.108]) with ESMTPSA (Nemesis) id 0M73XZ-1ircss3Sth-00wjFY; Mon, 25 May 2020 09:04:47 +0200 Subject: Re: [PATCH] workqueue: Fix double kfree(rescuer) in destroy_workqueue() To: Qiang Zhang , Lai Jiangshan , Tejun Heo Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org References: <96b49f22-50a7-9c8f-7c9d-f178195de717@web.de> <69170178-f149-b44b-6465-a4c6ab893d52@windriver.com> From: Markus Elfring Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; keydata= mQINBFg2+xABEADBJW2hoUoFXVFWTeKbqqif8VjszdMkriilx90WB5c0ddWQX14h6w5bT/A8 +v43YoGpDNyhgA0w9CEhuwfZrE91GocMtjLO67TAc2i2nxMc/FJRDI0OemO4VJ9RwID6ltwt mpVJgXGKkNJ1ey+QOXouzlErVvE2fRh+KXXN1Q7fSmTJlAW9XJYHS3BDHb0uRpymRSX3O+E2 lA87C7R8qAigPDZi6Z7UmwIA83ZMKXQ5stA0lhPyYgQcM7fh7V4ZYhnR0I5/qkUoxKpqaYLp YHBczVP+Zx/zHOM0KQphOMbU7X3c1pmMruoe6ti9uZzqZSLsF+NKXFEPBS665tQr66HJvZvY GMDlntZFAZ6xQvCC1r3MGoxEC1tuEa24vPCC9RZ9wk2sY5Csbva0WwYv3WKRZZBv8eIhGMxs rcpeGShRFyZ/0BYO53wZAPV1pEhGLLxd8eLN/nEWjJE0ejakPC1H/mt5F+yQBJAzz9JzbToU 5jKLu0SugNI18MspJut8AiA1M44CIWrNHXvWsQ+nnBKHDHHYZu7MoXlOmB32ndsfPthR3GSv jN7YD4Ad724H8fhRijmC1+RpuSce7w2JLj5cYj4MlccmNb8YUxsE8brY2WkXQYS8Ivse39MX BE66MQN0r5DQ6oqgoJ4gHIVBUv/ZwgcmUNS5gQkNCFA0dWXznQARAQABtCZNYXJrdXMgRWxm cmluZyA8TWFya3VzLkVsZnJpbmdAd2ViLmRlPokCVAQTAQgAPhYhBHDP0hzibeXjwQ/ITuU9 Figxg9azBQJYNvsQAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEOU9Figx g9azcyMP/iVihZkZ4VyH3/wlV3nRiXvSreqg+pGPI3c8J6DjP9zvz7QHN35zWM++1yNek7Ar OVXwuKBo18ASlYzZPTFJZwQQdkZSV+atwIzG3US50ZZ4p7VyUuDuQQVVqFlaf6qZOkwHSnk+ CeGxlDz1POSHY17VbJG2CzPuqMfgBtqIU1dODFLpFq4oIAwEOG6fxRa59qbsTLXxyw+PzRaR LIjVOit28raM83Efk07JKow8URb4u1n7k9RGAcnsM5/WMLRbDYjWTx0lJ2WO9zYwPgRykhn2 sOyJVXk9xVESGTwEPbTtfHM+4x0n0gC6GzfTMvwvZ9G6xoM0S4/+lgbaaa9t5tT/PrsvJiob kfqDrPbmSwr2G5mHnSM9M7B+w8odjmQFOwAjfcxoVIHxC4Cl/GAAKsX3KNKTspCHR0Yag78w i8duH/eEd4tB8twcqCi3aCgWoIrhjNS0myusmuA89kAWFFW5z26qNCOefovCx8drdMXQfMYv g5lRk821ZCNBosfRUvcMXoY6lTwHLIDrEfkJQtjxfdTlWQdwr0mM5ye7vd83AManSQwutgpI q+wE8CNY2VN9xAlE7OhcmWXlnAw3MJLW863SXdGlnkA3N+U4BoKQSIToGuXARQ14IMNvfeKX NphLPpUUnUNdfxAHu/S3tPTc/E/oePbHo794dnEm57LuuQINBFg2+xABEADZg/T+4o5qj4cw nd0G5pFy7ACxk28mSrLuva9tyzqPgRZ2bdPiwNXJUvBg1es2u81urekeUvGvnERB/TKekp25 4wU3I2lEhIXj5NVdLc6eU5czZQs4YEZbu1U5iqhhZmKhlLrhLlZv2whLOXRlLwi4jAzXIZAu 76mT813jbczl2dwxFxcT8XRzk9+dwzNTdOg75683uinMgskiiul+dzd6sumdOhRZR7YBT+xC wzfykOgBKnzfFscMwKR0iuHNB+VdEnZw80XGZi4N1ku81DHxmo2HG3icg7CwO1ih2jx8ik0r riIyMhJrTXgR1hF6kQnX7p2mXe6K0s8tQFK0ZZmYpZuGYYsV05OvU8yqrRVL/GYvy4Xgplm3 DuMuC7/A9/BfmxZVEPAS1gW6QQ8vSO4zf60zREKoSNYeiv+tURM2KOEj8tCMZN3k3sNASfoG fMvTvOjT0yzMbJsI1jwLwy5uA2JVdSLoWzBD8awZ2X/eCU9YDZeGuWmxzIHvkuMj8FfX8cK/ 2m437UA877eqmcgiEy/3B7XeHUipOL83gjfq4ETzVmxVswkVvZvR6j2blQVr+MhCZPq83Ota xNB7QptPxJuNRZ49gtT6uQkyGI+2daXqkj/Mot5tKxNKtM1Vbr/3b+AEMA7qLz7QjhgGJcie qp4b0gELjY1Oe9dBAXMiDwARAQABiQI8BBgBCAAmFiEEcM/SHOJt5ePBD8hO5T0WKDGD1rMF Alg2+xACGwwFCQlmAYAACgkQ5T0WKDGD1rOYSw/+P6fYSZjTJDAl9XNfXRjRRyJSfaw6N1pA Ahuu0MIa3djFRuFCrAHUaaFZf5V2iW5xhGnrhDwE1Ksf7tlstSne/G0a+Ef7vhUyeTn6U/0m +/BrsCsBUXhqeNuraGUtaleatQijXfuemUwgB+mE3B0SobE601XLo6MYIhPh8MG32MKO5kOY hB5jzyor7WoN3ETVNQoGgMzPVWIRElwpcXr+yGoTLAOpG7nkAUBBj9n9TPpSdt/npfok9ZfL /Q+ranrxb2Cy4tvOPxeVfR58XveX85ICrW9VHPVq9sJf/a24bMm6+qEg1V/G7u/AM3fM8U2m tdrTqOrfxklZ7beppGKzC1/WLrcr072vrdiN0icyOHQlfWmaPv0pUnW3AwtiMYngT96BevfA qlwaymjPTvH+cTXScnbydfOQW8220JQwykUe+sHRZfAF5TS2YCkQvsyf7vIpSqo/ttDk4+xc Z/wsLiWTgKlih2QYULvW61XU+mWsK8+ZlYUrRMpkauN4CJ5yTpvp+Orcz5KixHQmc5tbkLWf x0n1QFc1xxJhbzN+r9djSGGN/5IBDfUqSANC8cWzHpWaHmSuU3JSAMB/N+yQjIad2ztTckZY pwT6oxng29LzZspTYUEzMz3wK2jQHw+U66qBFk8whA7B2uAU1QdGyPgahLYSOa4XAEGb6wbI FEE= Message-ID: Date: Mon, 25 May 2020 09:04:46 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <69170178-f149-b44b-6465-a4c6ab893d52@windriver.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:XM/UPWxEwJSqrzdZtuHujA6YaO0VRSqTgZ3nfEuw0R4TW++3p2d +ImW6Zdy9uA3Y17eW8EiS1mIzw5N5HF/jh/MEJ2jz6fVqU4+YQczNtUIpzv18CBDushFfkw zTEx2wCShGiCNCZd1VqK1n064T2rmhoJn/FN6gx9OA2ccd4RTdl8GLG+gJ4FVmnVHVw6tPR A2FOHvXnRDasILvbyDM4Q== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:I9Qr39uPVw0=:/kPg2f8RGNhs8C/ALm6Qyg 7VIHMla623sOnEq6dZr3uxnKmE+1cI9TyZGSrlAKdVDq377k6ku0A+H/zpD31VcsV0HF2Jgsd 9Hi6Gl0X2oRoYXYyAFtOmCgtwlBsydzvuBBmQkTdSfq4Y7eM4N8O9lZvqRyNxPLiLj3dQtoKG guDhio9pPoNr3DjRxa77EOOh268MZ7+qlZDHNBHtaTIrXJkyLgNJ4Zi05HQ4fm5SyOdIQGCAQ FeY/WmCrbkoK2XSo9C85EFQNwvWGleMxEIt+9azj+ScTtixOPUAnPw0Ikl1OJdjugXwdE93d3 rgbekFZwiJXnexQCBzVD0j9RdifQ/9q5x5/x/+xZ2cJaI914SsfdQd0MG+YbqMJ/Lv6CUDxQa OZXAg1a9rii4VstZwpok5EmE4wuUnkqomHvRt+MzJwTn8T/xnsVJw4ye3QU97i8V+wfsoufK4 31gHMF4giEhLdDIj13TUqUwx5QObWiS6DsSJ57IXgSc5naVkdSrM/ulWoYWu5tnGVAq51dqzX 8YRILqH8BVJ4+k101UmmINMJefyZ8r/CozBn9cLznavOqkSfrH2BrP/d09/Sj02+JfI2SP/s3 D2yPwwPBB7p3qXZfDxCDcTUCGtTFnGrCO7h4wC33Cg4ggzXw6YqMUIH0xeW4XVqfIoHYAh0f4 pUl94ha3d4wQbBlsGppoML+y2NsrIj2wD8fNagbd/Ev3UtwpqqzBWbTN6AIkt9OR2JDMC1ZX9 AfeMPzTj4+DVG5gu/hOXTclMgbP32p/NPp0v0gY1vDmbp5YVzji9LqjxJnboE2xxQdqVfZ0ML oYA97/F0pNKyRXCqfzwGc+QCA04hZ7hl8AeJJsADl/ZOZBwvWr7YROFQ4WNbboOsPytaldwlk VMkLnOaGQgUL+RPxpN4U0ZhFyGZhg6P7Z4HvoNpqQeja93bacphVS3uerXbTN1mhcznqCqxIV UrPp9woH8TPIMfrF69jpsh1AxjAAPseBPrFCy/mxwJ5rCkwTsULsWrzAFdZou84Ns8UE2RIMu DvEqI9pKhfamaCj2JhAFFRIECa42q56P0kkUdI5PJekviMknirA/VhtnjwyeHV8Zjt9k434JL VEPVttZEQtF/KbT/OpTYdrtLgLIODOxiytgLgArqyxCbdzqWJ8dZrgxVftkWDI0eRkSgMNrnr HIoBp8smdL+w9Ps2xbVhqNpvfgABydJQLccHQGc/kTGaVgOS+JP4v2qHpQFOjnzbslOAAGTmZ HpPbvkjEDh9gns3cV Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Sorry I didn't describe clearly > > I describe the meaning as follows: Can it help to adjust the change description in the way that a duplicate memory release should be deleted from the implementation of the callback function =E2=80=9Crcu_free_wq=E2=80=9D? Which commit should be referenced for the tag =E2=80=9CFixes=E2=80=9D? Regards, Markus