Received: by 2002:a25:e74b:0:0:0:0:0 with SMTP id e72csp1919854ybh; Thu, 23 Jul 2020 23:06:47 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyXlgjoBwoXib3nQeC8JN/JLmvI45MquRmQa84xZsEuGodaFiXqSfj99MhLIdJDUaSnicVl X-Received: by 2002:a17:906:743:: with SMTP id z3mr7738019ejb.216.1595570807697; Thu, 23 Jul 2020 23:06:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1595570807; cv=none; d=google.com; s=arc-20160816; b=bMaBcsTYmZYeMCk9Y75f2P0XEfm0GbJSso9zLXAE/Sd1Sqsntpqos1y6wbS1tlIGhi qPPwQAau61hYqc0b80aqVHLRgYIC9PkoeiuxqDdtUeLlg5zhabT3zHPP4kjRWZ1+iSOm eXD62h6bzdqbG7YXGtwwXb+0vq16VYcCVVQUUKnEksX16D/+r2Ma3axjdNIxx2Lw6ufJ 08sIUBU4ieQ0DCPn+35LwmnwAZN+XaIg7DSXM2MzzU90F0qBUWM0y6z5aswAk3W/FwdW WQc5cblODqh+ApBFWeAqez/pR+x8weeqHzo6ZvPRvkXK2xWpzl1y8eCLLrmOWgH69zR/ 8bQg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:mime-version:user-agent:date:message-id:autocrypt :from:subject:cc:to:dkim-signature; bh=IZqya46lb9WZbs07Xpn4biD4AoQ4Sq63+0pbH+Tqyuk=; b=SvOo1xNlyZRjTvFVzgQGKH+x/AEi1naP7yFjcSKMw7tpHFwTs2g0u6knuVkixuPVFi 4lA2WarvGog5t1rIxqTD/40yZ1y1OzNywpav/wqx6YuZ2f72HVfyOYwJrhwQEEx0/GEo CZsJGTiGt7KIqnHOwrnw/au09jXwy4yaND8pe9y6pewDJEj9Yn2UkdUK9PV94e76tt6x tgVcK99WxC8z67oRIuaKyB8o/0LZ2g+Y4o5jG/qE5tpaRVnkAKMkcAZrmKwbens3s8Me tLKqDo5v3r5OzMoqGGstZ/80VRPNExZqjgy3caGjyMBpEPfVUJouAKwR4BhpHNDk6J6D 2pqw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@web.de header.s=dbaedf251592 header.b=Uxi47DSO; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u6si3425356edy.584.2020.07.23.23.06.18; Thu, 23 Jul 2020 23:06:47 -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=Uxi47DSO; 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 S1726591AbgGXGFR (ORCPT + 99 others); Fri, 24 Jul 2020 02:05:17 -0400 Received: from mout.web.de ([212.227.15.14]:44053 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726381AbgGXGFQ (ORCPT ); Fri, 24 Jul 2020 02:05:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1595570685; bh=IZqya46lb9WZbs07Xpn4biD4AoQ4Sq63+0pbH+Tqyuk=; h=X-UI-Sender-Class:To:Cc:Subject:From:Date; b=Uxi47DSO2n8rhSUqGdX1MaPAryFyj/aN2xSOqPHLCRxio92uSIbQAEysVGydF1TTz u5NWnu5NsXhdbAMpHjkNhaWv3cYv8TRYhLJXg/XR2Jf3+S9NZjaQJONPSXJe9wYyxQ wlvU5qBfskrL1qBk6eteUapnJLN5Kxi36rlkX90Y= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from [192.168.1.2] ([93.132.46.40]) by smtp.web.de (mrweb002 [213.165.67.108]) with ESMTPSA (Nemesis) id 0MVLsk-1kJ4ok3OgA-00YfDv; Fri, 24 Jul 2020 08:04:44 +0200 To: Li Guifu , Chao Yu , linux-f2fs-devel@lists.sourceforge.net Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Jaegeuk Kim Subject: Re: [f2fs-dev] [PATCH v2] f2fs: fix use-after-free issue in f2fs_put_super() 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: <9236e712-cd98-1f6c-4bcd-4dcabbae6461@web.de> Date: Fri, 24 Jul 2020 08:04:38 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:fuzp87DJDEQCI6qvpTtr9jdI+2HbuahdBu9BeD36lTkaR5Ahprk XZweJZFWJA4q4bCCZGrgMvg1vSbyk/osrT/RKh+yyxsMZDqNqgrqNCpO+rBff3gfCireqor I0IoT4w2gylJOOUR4JTetXStW47DbKE4V+5JwYsqkpx1oy8BbFawxK5zoKor5WJ7ZiGp79E 54cJgYD3IJwkVdh3TX42Q== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:/7M/G5g1ptM=:R4yt1ZNic3t7hRP5xF48Bu zhnFdY1w+XdFCZsA3ZSNO9zK003NXMEjHM1Y2rgVpln0NjQ6LAMn/IUE9XC1/DKEwggGSyJPb EJ67m5KCYWviqw0lU2AJGyiDhkR78weGWhMzYDvyVlysIHuk6Dd8ZK6NOGrMuzxBOyQSVNxkS Runiaf6XRArXGFh6IEtzpm14WL068MoSWtWDA2ewvan3gGDl+sOFZvld3H1QgNNbTBaXWr1NL StzZ7IBWv+BqVZ6znMRkW5NXc2ixaAM+44jysAMEojJkvs1i6N0TkAZIx+y+CU92l7jhxgDIS Btvt6jVpo2hkrVPsdJSvj2dtB2Ywg1mrd6RUloxWEG8HlhpUZL4ANIkoO4mwqB5f0Ikukeki2 esoGtaTaN9jB5tELehpy06g3qpycbL8F3NXB2nWDpRzE7Ym/AYqSgicZEX9nBI3ZuunzQ6p2j /JxtdRWu/2z/zuHuld98qD3fyljTG3su3n0tfPp8UCO3mee2mugZhl4XasgdIaJRmACn/Pt/I zLqhvlc5h2mTGaW5Lgn70vWsAxy5MV4lKhtEHWB2AivH1df1Q7W/PGrA97mNhpYyixiRXVJhP AkIAmTkX4isz2ElPHcoYG9Q/+4DO7Qg44fWoVxqUGRaebANu+Xf/akQWkoEJ5L+zLmfOve5ZS vubJWO/u5J3rVtMCOsO7BljUp3zNz2waIlTb5Sjs+ompzKMvVddpSS4aOfEGeJ1hT3z7ouNBW G1W3pDCXjlYrkS/Qf5QciLOpIL6dJ4R76Xpa2zEgBGYOnxJkDLxk9fTy5rPkORXfK0/IM6cSQ hpPI9dvNKR9NwquMWSwRV3keJvJ/WTcGXQpcusRgJRKRHx+KCk+is8lO6S0hezXQ7B9o3m+1h Bm6aBWf5Ao6Ahi3vGblrto5R2fPP9LmFPHkdtbcf3lpU3LxRqNk86SXcFtiZdBsQLXLjwh3rj xLBiOwk2eoDM6VV4R/qjq9LD7Fdwsz/vcr5Am6OTDntJ1reM/u3LqBcdyv909fqwlRDUjTNkl v1XXLZAJUyiUaERdR6rQ+fE8Gv0QWh03hpzXlGPpAiiQxajcIwOdiGm77GHPZGXnrQ7r4dq0m 3GOe3Y6Zgu72hA9jnxOtKKy8FtUfzQyChFUyj1a1bm5TLOu6h8pAJfCvb5Uej3L3JO1MOmjcK 3JBv9KgBQiNIgbNwko0I8KiS3lZH7QFG6xjhsr+iunaF44jok43WOgg8hXHriSrZQonWX6F6k 4BuHB9v9b7x+SZKPW9+DPg9B6CHM6dZUN7zxwQA== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > During umount, =E2=80=A6 Do you refer to the action =E2=80=9Cunmount=E2=80=9D here? > f2fs_destroy_segment_manager(), it may cause =E2=80=A6 Wording adjustments: f2fs_destroy_segment_manager(). It might cause =E2=80=A6 > =E2=80=A6 with procfs accessing, =E2=80=A6 Avoid another typo?: =E2=80=A6 with procfs accesses, =E2=80=A6 > =E2=80=A6, fix it by =E2=80=A6 Please replace this wording by the tag =E2=80=9CFixes=E2=80=9D. Regards, Markus