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[23.128.96.18]) by mx.google.com with ESMTP id dn17si4018083ejc.556.2020.06.05.04.01.25; Fri, 05 Jun 2020 04:01:48 -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=l8UBnGn8; 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 S1726946AbgFEK5K (ORCPT + 99 others); Fri, 5 Jun 2020 06:57:10 -0400 Received: from mout.web.de ([212.227.15.14]:44467 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726834AbgFEK5J (ORCPT ); Fri, 5 Jun 2020 06:57:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1591354606; bh=rSnfjIPja85QGA/ERMsy+/tfFYjepZiJhqusKyxLkFk=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=l8UBnGn82p+OytB9mzehMWlXnE/c9Oa0oKX73nlwFOMmSxTUM9iuzbSB7c+Id8s+j /v35GLHuIdLc4VxYeMekQslvC3eOPaPeJyD1THYPzGRRjtgInVfW4LEh3dPqCk5/zN hIDrOsmTG4kNrAsghnmIQUrfzZT8vDZUBbBi3x8c= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.131.102.114]) by smtp.web.de (mrweb005 [213.165.67.108]) with ESMTPSA (Nemesis) id 1MYcpr-1jTk0T2EPz-00Vgn7; Fri, 05 Jun 2020 12:56:46 +0200 Subject: Re: [PATCH v2] block: Fix use-after-free in blkdev_get() To: Dan Carpenter , Jason Yan , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: hulkci@huawei.com, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, Al Viro , Christoph Hellwig , Jan Kara , Jens Axboe , Ming Lei References: <88676ff2-cb7e-70ec-4421-ecf8318990b1@web.de> <5fa658bf-3028-9b5c-30cc-dbdef6bf8f7a@huawei.com> <20200605094353.GS30374@kadam> From: Markus Elfring Autocrypt: addr=Markus.Elfring@web.de; prefer-encrypt=mutual; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.1 MIME-Version: 1.0 In-Reply-To: <20200605094353.GS30374@kadam> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:dRd58kkRgO+FkYctmKLtqIsGHz847dnAboKzyJJI459iQb92L0I /jkxoCVcKUo2YN8Jdn5sB94LHb4rEp+TQwINI3ymXY1yYNAv4uZhga92XzKwEE4ThFmktgy 5U+fmIQ+tyjvgTMseXshgs/sGCYHTkTMB4JGW7w16omFGY98I1cgJ02Dd8PAG23vJ0yFDtj eN3w9nWa8XUNgD0VH1R8g== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:wCp/MjImjsw=:sbzqgK/Sbbg6Jvko1W2h/4 JigwSaZnJBhV81llTnCKYWq6EBMeu1Hh1Oi3Wk+WrSq4/9B/1PEvVT6u5qL7kAn7kAzl9J8l2 bnyjPoKAV6YaGliIS14j8MqxyFb9QUOiqS0JBcAfuac1nqWAqwXgm6h9oZgIl0fzLZJUX0Ym/ IWuNpdRmnoPfcG9UPUCsh9z6RdRGIixeIsQDIgvOdf6gZBzO5wa3+SnSm4ZO3yOK8qQSh0yPl vDU7Kxwh4diiRBw+dbZvt21zcvTVvvKPOJkXy1j4ZqKVY6Y1M+ECwyPXaJPFiYAFuhk273DUb oRF6BTbNtRJxluJkEH5O+1LU6G3BHnrfvKxLLSsu8ZDqcHGZ8sYHL6lCDsU5zPOBVnMKuh6Vl I1S9A0b5VIN6thIY9Sp0MIWGml4aEVgoGxmS7imv5T1QB2GNMtZTfGAWOQyiZ3V2VN1I01o8F JqukmS0vQE4KZv0HdUXg9kG/95dOpDDDiv5buV4SGl8Kjs1s3pNTU5eZuO3vL8WVmO4dVMk1+ S+n34TExgo+QQJG0492Q1wSotR6MYQciQIH/b+ZpsUpAy3dZCHjgKnPwWy0Nt42ps0ixefu+R S/t7SA65f8wU++dNcD0bDorIMDXmba5SGOSgPGuR3PLFBA7yNj4Q1L8Sa8tQlBTmkEoLY+mud hV63uIgCNm4a4uSLwMWDLDLsGl/relGKYviRZ0PNq/3vc2ZXp6soppcnD8KcfMTieEAC4wTHU +ulNjMdiIKK7jRWMNgY4B8aTWXuOpaHSsuW1stq7J5Ds6jMW6DTnMtMObs1eFzcR4liN9Zl+c i9yiXGTd+PJXkhEnJ8FV4wizcG0rhBIzh2uR+2c4bhAjoFJijB1hmsV5efwEWqE/88s1nKwFU kNUqFPXu1xoZ8zY/nlPeys5Ybr9peFx6y//yQbGjG84CefJXYemYo+IgfVAhLmFqGjx8Yk/Ko xPXLKWsrQligCeL7drWi3GmRxb9pSCIyhBZ3hjlJkiMG2j7K46seIYz/57jqQWBKNUUFJKl8K K19OBaoJ8efiQGf92Sa1okhvKP2FbaD5UnGcS+Z1MLBd9GxHjdSCy4DPltF0r9eDb7/MC+R87 poD86MewSiElgrUsovAuQwJ4Q/ywHlTtbvPtPlm5omzpATckgiNKIfGr3fPpi4cbGPALLYnBM GO84m+sDfaGfn9FHlANNmiwdeaPVUORwnRP3gqoziLRmvpxkEqocd1V+7g4IUjyGg6uwHz8Mk 6Hz6ReOfv4I357hFH Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > A lot of maintainers have blocked Markus and asked him to stop trying > to help people write commit message. I am trying to contribute a bit of patch review as usual. > Saying "bdev" instead of "block device" is more clear I find this view interesting. > so your original message was better. Does this feedback include reported spelling mistakes? > The Fixes tag is a good idea though: > > Fixes: 89e524c04fa9 ("loop: Fix mount(2) failure due to race with LOOP_S= ET_FD") Thanks for your addition. Regards, Markus