From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [212.227.17.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5828F27A107; Mon, 29 Dec 2025 17:25:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.17.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767029155; cv=none; b=JEGhCg3TL77IohsGe4ovMbQWTuqB+ia87YzkT/7TlKh/RYk+33zxMuYMRZvX5J2l0v0sJDReE12dL3u1GvpMk46MvXg1DXAfKACetmdOpd2WBiVYINhoueElUr+bQJiTOsY17ZLFBx1wbAALadVNyqklZHgA7Qf9oZSCOd8MYLk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767029155; c=relaxed/simple; bh=OdliW2XI0tC0CYA58OHNZ5lng6AqmLSu2MUF9H9uS+E=; h=Message-ID:Date:MIME-Version:To:Cc:References:Subject:From: In-Reply-To:Content-Type; b=oyolquR/PHTmqnjyQ5Z/eP2B4ApGuBh1gAzbNWcmLYUKyHyu776Xwr3GFvxkPzAPTtPLynJdzgxLDZpPaz63IdULRoPQa9JBCh2AEvmrhELNblps3Ss3uCHtbkT2GUHHyjGvNCkTbLYXoSv/MT/k5IGZim8OOuen1RbIr/khMe4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b=QmNdO+9X; arc=none smtp.client-ip=212.227.17.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="QmNdO+9X" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1767029150; x=1767633950; i=markus.elfring@web.de; bh=OdliW2XI0tC0CYA58OHNZ5lng6AqmLSu2MUF9H9uS+E=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:To:Cc:References: Subject:From:In-Reply-To:Content-Type:Content-Transfer-Encoding: cc:content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=QmNdO+9XDOBxZI1f4b7hfdyLWVOKV0G8dX0A+bKk0uCH6B+HtkHyQwF9sVivMflI OTMkjYxEFI01an1l8G2QGFszg+62EZpwj30VL7yq0sH9ZIfQavJnwWxrUiOADHirn IjioIBcyaBsMw8V3MANzXnPFzTlUxjyD7opMxu8OHSrmxitSnGybGSnMB8BMvFzAc YRjEg2SSPp7yPWKqULkUoX1+pPrOzbdypfTnRu5nisyzsJEBnwpOrhsUylckJDgak zbDSFnIpH4MQfF+igozYwHvUGOdLaQL3kEHOjqTZ5C33kjTIrkUha15hjpwH3AyUq yOOS6q+c0xeH6U4LcA== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.29] ([94.31.69.231]) by smtp.web.de (mrweb106 [213.165.67.124]) with ESMTPSA (Nemesis) id 1M2xvy-1vdZJp3w56-00BpwG; Mon, 29 Dec 2025 18:25:49 +0100 Message-ID: <1c3ede9c-3dc8-4ad4-9068-4e8747305856@web.de> Date: Mon, 29 Dec 2025 18:25:48 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Ryota Sakamoto , gfs2@lists.linux.dev, =?UTF-8?Q?Andreas_Gr=C3=BCnbacher?= Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, syzbot+4cb0d0336db6bc6930e9@syzkaller.appspotmail.com References: <20251230-fix-use-after-free-gfs2-v1-1-ef0e46db6ec9@gmail.com> Subject: Re: [PATCH] gfs2: Fix use-after-free in gfs2_fill_super Content-Language: en-GB, de-DE From: Markus Elfring In-Reply-To: <20251230-fix-use-after-free-gfs2-v1-1-ef0e46db6ec9@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:LLTOByfoHkgkmOUYYap/x4W+iFXyEOaBNBy3j3E3llWBp4dT9q1 ewGOA+74HSD5ZIAussFqWbRnPlWev9TThmbax/Hp5YUv7St9iBcdDIPFF/Fv+es7rC2aCJo jFrrJ0GTXzDVPJItdOB2+dFIAteay3fAbiuF6vVEpuFf0+sD/8ATX+8Yu+JXg5QZQgtg+4K fcMGrrQhSFh0tWUWhla9A== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:zXgXkpLudU0=;PwGMlnPfGp7kf6sS0O6DkOysqqh yEkzXbGxKTCNV2cRt9KXnRndhTIP4cENT89rTCP552JfzIwRwpGFY4Ya3Xm5brdsROsoNoWHi yj8tR6a4hHWw0cuELKAJobT8DxK3PzNlqwKXj8yp/4IlbDbkbZT3RWt9n3kpM9bK7QK7OcFvS gbUMbvzfrejesFUL+fU0elkC1ZAioLzNsMcOi5Z+mOzvo7KDhHGSjSlZBnfx5AFOekzH5s7gq RJr/+ZVq+Lgsowoz+WCPqPm7jx2fpk0S7F+Ak0n3nslScPdqLzyllvGjIlhb6OqXIrNYyY8Xl DvyUG/QG3Srm2UUh9OJfwfsSGjFvo55Je7k7z6KjWZDtpDEvMzwoo49XPVGAnJ4zfZQUXPdLM imf4Knmzro12MfuSgcWYYuT++FQ8qWgxBjBTlNkiv2PVYOdQT01u4vEEp/2y7T3UtMnmohUXn tGr2j9d4gEv+yaavoHbyKDVHbfCMvQ5CnNplYWJk2rg2N+Z8cVL/JcIz+zUB2IfKVdw82OJA2 kTiyV7myZYoTeWO07NztfT0kSO3o9C1D2LOebFnFta1Gfa4izGuzKUZN3YLVAWUbgfYo8EDnp hokx551NEskkxYrULmtT5hRhJS4TkL0RIui+CX8Blor5LsGXKJPGLtSaBtiFb/rFSG/em4XQf Mxnj6udv2/qSB3yVeIKd5Ok9nSb54gTh7DXD8AdS5AIbSVVowkwxrF7lzXI/sm0mhPl9bY177 IpdxfO287heYqTKrBpgj5fxfQMcKLZLeJWVUYk8iDCDdKq3gQA2V+/gdF6VnoSkxc/2yOv/zA i4nKZsOPG516SeDHklJ+i0JMojjp6yym0gWPn+Cnx3RfXKFVH+Djp8FdS3C+4YTSXLiJJ0eVA eMYNPHmq8a5/eHtl1vyJLuPpab/eTBkirqOdohYw5L5+I8/9dWS1ThCCCK2QuOHMyHpAB8aDD ROE0ipaXuEL8xIN83UlDL++QMkVS3DicIjohTs9x6G9O+yhFImgGL0uV6kMNgef0sg35kHCjj 7+4gtwjsLq4wykKzPPle9LYm6Gx1Jz0VQhEXZh0splWRrCHwgcv/ECSefy7vlS7NF8LdwH96s 97JTQHs3AT3/101H4Wep7QPrqmCUraJjzR0uinflfYYmS9ATxmYn9MzP64J2LzmNzQRDGTyFT Tw2Q26UVlteN2FnH8YiTn0roqGu6rlDRiR6IcMdfzKzQIw0jdCMW8PVJniyg+gii2YaeNOmNg Gyy6GkIhIbJQsks7y43FRxotoDRNiG9DDuJrczS0AdyMbLqfMDm+JiF8CBr0InAoVRlGu/lAb necRpCjId5vSKN7w09KkVM3oe87HUnfkfEesu1zU4RGYV+N+1DsExOaG1cftZ2lYdKoLyoNVY jgtva/Vk0hWYB0RsnoGxI52x4BBqkm59Jj+ELENJJq5Ub71jc3qBsrZ7jw0Seowy4VWAX5+DW +bQbYvJUi9AwQgIr5C0eSUiR93TqZ47p80H86pSzFSKL4eBYx92qmKc7/IlrLhtuMtqe0eBY5 C9khZskn0xe9/H733WEkLG24nF7eUPWLfuuEZYexj8A/AZ3gmcK9PDkuI3Ovv4jmPa7GEkELi 1HpeiZm3GsCbmKFL7T+k7yVUjXom6ILSrYPNAENAj3z4mVY9W8zpGplgUmTSCYoiMa9ck+KPy I8vVw+hu2oji886eVrEaqlVz9N2bNXtyVclJuQs1xsl2Vvw7SsFLX1AVCiUzCkvgUO47UWrFD tvshf8yiCloEu13pQ/07Iluo5cftiZeQ3MnN1JiozY7KUs0UpSKMRvH6NBnvkWnAVw18OpAvj wFrvvKDz/Z6Auu0Mxalu4lfnkKrNf1+5MXuPf+0iBCC0OJgjcPLY0LBVKnzj/7bVn6Q8yOaXK hKlQDDAy0OsX9GBTa48UfhixTG95QYA8syuiSOetqMb7UlWzX7PNjAueq9rCzt9fGBno5tSrP eLur6yzp+tJzgaQkMHMfPx6MYz6iCCBk4aPiHvhSqftbJj/FMmZTcnNFoZ1A5EiUgDDaVcbly wjU9yQwjsAtHvDPOAGr8eIbns0GoDYPeKYA0OyuF9H+fWOTAWkpI/mCfmDdlzfJ2LPwep7d9Y U671nInFGoNdHrdTM1t5JmPfYfRG0uTZHiOfEp5iKoic4pziEw4yRoc85XtInm3429PjlBT4R qEt+W2kY7+KAM8372QglNUI392Lu76bNSVE2ytv9lJ2UR5uED7qC0+oV7sQ7sSzSq0cPd+eti UaubKng9CJOhgM3dEblQ/9C4LU8haiOu5P+Q0K+xWghK42TBJqQYZKoapRoIyna+tzcrJQ/DO aO+CBlyHs4VkNscODLE6q03kUyzSUrCfIW4zsjUC8VZry2A1QtN5JA/I+HzsZ8RocJLv3anT5 cd+ztZvYXkN4Ddx9OtmTK8WU45xdzJK6yhcgeHXqH0yWxgcVbyEE9qOfaA6mEZQJyKv1gN6Sq 8IzDNeWmS45XreVeCLbNuzIJ3iYCaxtKK8PSYmc22gBVbE4VB4obi98sTPcmV/VMaABf4si9c X+qb/i0wo7qgZokcT7vR9aoGl64QTwYlTkcuyatMKpks81ZHpxIgUExlNDJdWp8sZ4RMCh/nE U0N5VbSnd3qDIb39qY45stE0DGfgJPWPJp++HZKfLp3XBqNOwoqTzAohuPR9miEDEFnYVcRTj qpgNjmbkPMImOm3bUOt3n+XnOG1sJCqJ4z5fCftVfxlz2uj/MwW/T/KJ/UvgA/XvT5Ys4In8W TTZrs23hF1bNXxMbGjVkzxiVI8ulvpQXDPho/h/klCZop35091t0un4ZB1EWPZ6IXMDXeH49N ip6zPsE3tqAzzElcYTINs0ZS4wqCBNx0BQ6o+5ABNlWbAU7cDy+IgEs5EBn9n7qg8GzXQ04Pn BjNuhaPRmJF1AJiXw6ZrSrBAEAXJUYe+u5nKZzBvNuobXheIwaXg4VMY511RuhjzY9JsbZEb0 9ap1XcwWRcFTLFwP42ec7FugmXKWy17U2Iv3HOPO8/oKwMd0C5irp/8m/aNCcPnIKiJrirMbT FgYV03WVFfV6eMECIYKDEcschCioUGgxjNHb5e0zg5xQzIgpAY27O6ou1Ye+Y8prjs+zVPU2n R4Unihjyn9s8WKn43GYIvsYhGs9JHbTrmL3C4r/ASDmonF39u9RnsxjOm0jz5aXWqrUZzEgd8 GOWyG9hsl122TVnaMPT9Bbhoy3I/Rl4lC00DNAJpmSUBzHqQifyLRsCdk5t+Mc/UU/rsNOwE7 aAWM+MrKbR/VMba8DpMkXd97RsPOSRP/EFcagbU3+pLH/ajyK8WBYqkeibPDDy3zp3VdUSwH+ FwHA43clGzVbWrAAWucoGHCh3rE4pPzSH863KnLK7cGkZgwlMhElQhrWNMGsvSIpVKYx8DY1e ehW9GYTuCtP/bOFfoqNUn+ur+dsQ+IfO8Sg+jTYG7ok8JMa2yc2UZRdu63OcnD4/3SdMGk2Vp KX/DuvqAiGL9U2fcHmQOh81xt8bgznGcbFznZD+4fkh1ERQFPZYY7yAA9s8Dse7aPL5mb9MoW Udt0iHZfdp4aozZUD3OZ20Sm+VIc/SYdtRxq+Ri8EpWOg2csajnGfIpBPmYH/TNyihnu9YfoE 9lUQyeD9C9WDJu77W54ZqdZoSzgb/+iKdh6re78WB2767QBrPOYjqpwqwLQ7wzp3GbPFp+jwl IjGRsnj1FDHcD927VFaOHd7aw0GMkavTskp4QYhCsDYisRWNdUPeO5mS+n+6DOsmJPVzEYgBw lgNCG+13Abcst4kwAk9pJL4X/9zGl1Hn0rJZ/SVoB6sisPmvU4N7lIRDVqAR658tjRiiQSYXF yW1bBu71u0TdSQXGpM7g5UBucKpX5CmRIXfWo7y60MMXPxU9GH3hrkdhSkxRWAyWde89CO9e3 R8gxDzkPVdQP3f3bxozVz04xjai5aoGetHKRVYzuF5XaJ/sK4+9lx85T3/pdF1EkKg638Vwrp LsP3Gh/1bNLcwLu7PKXRspPOsNeLhRfh4s1PedzBSz327isjmVvgRNUWOJatJX2qmbm0rry0L J6ZbyChN/pM93wMQn9C5uWAjRbCZef7Xh7wEzcPhMzMkfOFYulGmqZEF7ngi2duXOQbDrGiDG 2VcMLfI3cdfxrvS5yymyrR5zMBW2QMsra9+SQmshB900sWFLEENYDqtjaYMWopz99f7sfnA2C hVgrX0i4urhjF4KpS+n+fKxBQ3vvMrYjntIDtsEBBHMGyN56H6l7X9i8hx1DMDc4BtB3xnCmv Pc4C0VR6d3uTYUotChIX1iDp7Rzg+tnnnGVsc325bc1Q76PjGBoqGDBncCIY0Pca1eUuZQmvT AOCq5yEhKUOE6MRfHDvcLp2U16SggMZm8jemibMcHLUIAxTywIfTWxuDybmn+D57+/ohOMWps xbCYBCQ+IPPHHt9Bpkh3KTR3ySwWFuFL7+6c+wlkMapdQOuj4Omv2eZU8rhaAFAHBf3lIbSA0 ZupoutbU2HoTeEo5Z4D7V4fmzzf/NTALKKmVz58IX5qLAqtvyksbdTGMuppPHrEzol4HUtOxU Ozec4+gufidS/VK3QhHlIWINz3qo2O32tUivOu62EgExFFCqxEtwty2JB3sUrfm3dxAsdBchC H3EO/pkWTsxGZ8nQht/3VoeEcbWpSg4tnkzVD3B+itNAjdL+DAPJJSosnd+Helh1BdTJ5Uacs 9R0RicfxeAh2qsLzOX+6tq2RyjB1oAmb3xtczc3gqiF2mxwDR6ZfPglpU98ZKWhYWwQvuW3xX GXulql1f2ZxgRSYY85+U7KAuvaHO0IKRB8rfWZsAM5bkg3c/OrFfHjamS695D7sVXKAR7i11v J+QTdWcgHFv60z2SzkIwNfA6HhKRt1G+Pw1dLLwPbwlTpvkW3u/Z6ZWsYtqJccjmF1F02dtjA 35AynU2iriuiXe7tWofxPmlPW0fuEm9WHnU7e6+E9Qt/U9xXpIHvxsOowmO4dikFbBd7aKSV0 MqnNbgyDXxtHxWqvC3U20ddBJqI1RR5SOUOFHP2em1Q3/e8PRyurEQfuhHCosbgTg2xGO+Ktg R+e2W3l+XzCMFM5Ciyi6aksFKmz7DzYmzeMzhmvkk17Ni9zgy7kxj7qUdfO2hTEd1Z1JXMOUp GKwlv+giDzxQtq6FFs4nIjGXht1IP004cO/cZ/ =E2=80=A6 > This patch introduces fail_threads =E2=80=A6 See also once more: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/submitting-patches.rst?h=3Dv6.19-rc3#n94 Regards, Markus