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[23.128.96.18]) by mx.google.com with ESMTP id eb11si11615451edb.302.2020.06.08.03.57.34; Mon, 08 Jun 2020 03:57:56 -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=U+uDvESP; 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 S1729436AbgFHKz2 (ORCPT + 99 others); Mon, 8 Jun 2020 06:55:28 -0400 Received: from mout.web.de ([217.72.192.78]:44547 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726202AbgFHKzZ (ORCPT ); Mon, 8 Jun 2020 06:55:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1591613715; bh=2IDgC8eQl6HqmXppOxVMev5dv9F1nlZlWXIurSl4N+U=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=U+uDvESPVOYhc66c38ACcAoBupxljA5XH7FgCzJg62pxFtwTcO17O+hYs+2dcssqm QfQQF+9r++E+TBsRYhymXklBckq0wLmb4LXBXvMwgJ8Q5o0uQTP9jMT3M0zrcsyrdE 24o5P3tkGhAdZ8c5CaKEZHkWDcmanbd/EaZDmtLA= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([78.49.116.236]) by smtp.web.de (mrweb106 [213.165.67.124]) with ESMTPSA (Nemesis) id 1Md6tt-1j8ukS0a3v-00a3pV; Mon, 08 Jun 2020 12:55:15 +0200 Subject: Re: usb: gadget: function: printer: Fix use-after-free in __lock_acquire() To: Qiang Zhang , linux-usb@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Alan Stern , Felipe Balbi , Greg Kroah-Hartman , Kyungtae Kim References: <5207d179-0a7d-b5ff-af34-102fb21028b5@web.de> 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, 8 Jun 2020 12:55:13 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=gbk Content-Language: en-GB X-Provags-ID: V03:K1:e6bmZdRHOhVGVGyhDrhy7dMsFBOpyKvNzCP7VcJ5KmXsTAmL3Ln C3PZZ3bln5h2vRTNHU6CftmgS9EaMIfRACIspvTgLJ7K865EgQHZawWpOrs3k1A+aJFFVBW OsJpqDQjt6l/KPZizk5pXpidKKncKEhb41jV/oBrQA/FC7EQbkgL0ys7NOEcWdnuxSdCr2D iBwDEIX+2o5KpOd3sWiPQ== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:g0axPKi/NOk=:FsUsgo2Eptma7rjxDZF1rX EzSumZ6jU+4oNpGJifV8DRnGnm+ACnbHqyMsIa2pj5OmQm4mh7wu+YHfGMPq66RrasyXTdr5d OWHwhxqkiB/aDKBFN+k2zzVs2o1C7qBkGEgYOYqepcWOdckv/myvrlGY3eZj1cB5llUmSb2qE Mq4Vw+5I6YJ6WUuBvAT5wEUFJUWqv1HfVeBz532nFBeoffac8GIcAKmsN6wefG/3IBa6hHoPk Pmecogs6RQm7662Fdm+Stjmgg2LnJX1aTTmFDJiLJF+o3Yem8bnYIfxRoA2XuVNVPMFBmqU/I o5U/QyblZgVN0KYSXcjVNq2Kj2uobYpf4srCviu2zvVhxUJ1sUl7CrHDKo3/RxE6gZd0Uz9Si tggk+KXABVqkYt0sBiNhzmdJLGQJ46NZfBANdrNOEb+QWJ0SUpNGgxAAN0qTvVZ+QOehQ/BM2 vNbxSAiSVzBva8uc2qa2WlM4I8KdiBDiPrP6k9q49KxRny1GNPuoX6ewPyVm+vdL/dh7VzLpl Cd32GgaglfDqss05MM8NS3Uu0QpaX0Vg6omHTG4VFH5GZbFPaeBNdsSu/bJ0DPwQ8cHbzE41F ABtob6GVjHxO6N/M+cILI6DHxc4arpAPaCTqARemhE7MRBcfiQUYHeCoBFytwZX0JZAebjmKH YX3jDzDj7eGuOjyfkT4A6qAt5tE+kur/wZRktx1NWOPZ8z+ekurd6o4fxscpzNbirBPHCQnCc TjY4xlG7BIs9ep02ADzfhlQAZ9jYIdg1r93vGoqKHc9WBnGMvSEd2Zigv9v+DiUI/cwqOYBPE NvtQJUaXikkFB7LDquiBvMe+CFjnH4vTrb+tJVLITSdcSTWeO6iwLMuoDWLGPmc6FoGW1mHrn iug4DhGtVtskmD91/ht5fg0EAHBLdLS8i2MffK+U0kCf/cc7fJE5MliPO/eV+CC73CeDGgO6R IVfM5w3xxC+8Qm4U/ot8ZL2mor5quiB5eH2FvJyK3WeETgAg37ImzhIgQ0FAwXTL8xHmCtu91 kWhhQFog22eiQPMqURUp0sR7MuYdHgql0KsBvovm2sVnx8ADb/tiuSbJyaqDWo74j8osiA1+u pj3N5iGf68JiIj06Q9hpGuKiqaQ5wwXfA9y3yNbjBg0ZzJ4H3QRoXg7CWMuo8HfKfW8BBSxWh st6BI9QXqMp4JzH8rv//j3E7yK+hfvz9VIfvqF/acYchoCrr9Ct+4eNFLLNcPZNyuzNrtYxC7 R5HA8PqdsbfqTE2rr Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > I don't need to add Fix tag to view the code. I have got understanding difficulties for this kind of feedback. How much do you care for corresponding patch review concerns? https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?id=af7b4801030c07637840191c69eb666917e4135d#n183 Regards, Markus