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[130.117.225.111]) by mx.google.com with ESMTPS id ffacd0b85a97d-48fed833fc1si5527171f8f.167.2026.11.04.11.22.16 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2026 11:22:16 -0800 (PST) Received-SPF: pass (google.com: domain of khorenko@virtuozzo.com designates 130.117.225.111 as permitted sender) client-ip=130.117.225.111; Authentication-Results: mx.google.com; dkim=pass header.i=@virtuozzo.com header.s=relay header.b=mltTPLAo; spf=pass (google.com: domain of khorenko@virtuozzo.com designates 130.117.225.111 as permitted sender) smtp.mailfrom=khorenko@virtuozzo.com; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=virtuozzo.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuozzo.com; s=relay; h=Content-Type:MIME-Version:Date:Message-Id:Subject :From; bh=5XYTIqbR8kaTJELcaucE/r/EWl3p3npHybtBszxwSFc=; b=mltTPLAo3d4vZFBKRwC LJXriu3LxcBGubqPdk3UA7/ExYrCyEUCb4n8rUSM4TtDUzMAs0UAms/KYnJKcS+mpDSOigReNiLqI 74FUetkBSrA/yekyFWK0GmHyslvCxeAUSmA3zwo5nWIIxCSCJezJ2/uAismnZEVAtWLs/zUcfyDKD IJ0WxGr+71sGQRpQP3JT6Q7OWa0Y7EyEmLx9B5hAopNZERJShehEq4MXwU1ibITHdi0UNYz5SSxZc 1UO8eucIat17td48zVwNb7nr3rsUb+GAO+BvIjvoy7VhrX9/PCNMJpNaFXvAWucq+cEVDHS60JCj3 1h1MZ3kFtyUPoGg==; Received: from ch-demo-asa.virtuozzo.com ([130.117.225.8] helo=f0.sw.ru) by relay.virtuozzo.com with esmtp (Exim 4.96) (envelope-from ) id 1xOgUt-00HNRp-0D; Wed, 04 Nov 2026 20:22:15 +0100 From: Konstantin Khorenko To: Andrey Drobyshev , Pavel Tikhomirov , Vasileios Almpanis , Konstantin Khorenko In-Reply-To: <20261021-b4-prep-khorenko-vstor-149847-5-doexec-selftests-v2-0-97dbb5c6e0ab@virtuozzo.com> References: <20261021-b4-prep-khorenko-vstor-149847-5-doexec-selftests-v2-0-97dbb5c6e0ab@virtuozzo.com> Message-Id: <179382013338.2760255.5949682716490559434.b4-ty@b4> Date: Wed, 04 Nov 2026 20:22:13 +0100 MIME-Version: 1.0 X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2233; i=khorenko@virtuozzo.com; h=from:subject:message-id; bh=lp9/rdu+FxzJjWF7A0hJpt7YGnFqrYIO5P289v4tFws=; b=owEBbQKS/ZANAwAKAVGWCkf5YVwqAcsmYgBq64Xngb62Je34R2lt0Jvj/4CrQY4n8i9svaDhu lWKNIf9pvKJAjMEAAEKAB0WIQRWD23IPcXT0GO9CCxRlgpH+WFcKgUCauuF5wAKCRBRlgpH+WFc KsmBEACzcQLCLmBSQYc6C/NwUJSirYzydadxjaFU5+EbRtvLaTp1qVaFnQfIlEiBBHzSbEiC1g+ QedbANMESqfTjrhBZIZ4mq6ffdeJXGPu1ycPMHSsjVI7cgM3jq8H6Q9i4GK5bGjpJ/ZTQGE33j+ 3J4qIOs0Ht8RAuzL6GF2jK0o1pHIro2mQwO+lwSpPFTnhQif6A/8f8JqCRYy9LAZ2TIBdMphsnj EhfhUE53FGbYKoe2DAQk0sFDOebTk3V2x24i+bNyKt8JJeGHoVpJR9zjLVUGq6+HxjkRDef9jI9 P3ZgHL833anL1F5n7zhqlKIP5aCSCR15yogb8XWSAYIaUfaU4qeBtI7NNbOEGklKxOItps/rmIM Y4Mc/gX4p3jKvftjK3nOEBR7H26gh8MgrzjHGefzrnmhrqlZuopo9S9xVsXkRc8omdwiyJYo0eE AhPHoJdF+UdEzEh/s+essVAmIgB9/T3qmCHimQvaMDHK6sQ90/u48IYa16ebmrZZ9wZ63Q0r3OP DLPbFzzXtddAwRrM5uFobOVm1TddVcDO6V2af49h9P66QzptXiK+2deQg5fG9JdKhRcw/R2Ln0v IXiSGOjrAzCUF+r5nmPEhsutJjIl/PhD87JzvfSfBQkY5Wsa/nC7Nu1jWrP3WeJVKZ2wzQ2DLHX 4Te83REqGwze71Q== X-Developer-Key: i=khorenko@virtuozzo.com; a=openpgp; fpr=560F6DC83DC5D3D063BD082C51960A47F9615C2A X-OZ-Fwd: true Cc: devel@openvz.org Subject: Re: [Devel] [PATCH hci-8.1 v2 0/9] selftests/mm: broader MADV_DOEXEC coverage X-BeenThere: devel@openvz.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: OpenVZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: devel-bounces@openvz.org Errors-To: devel-bounces@openvz.org On Wed, 21 Oct 2026 18:57:13 +0200, Konstantin Khorenko wrote: > selftests/mm: broader MADV_DOEXEC coverage > > Selftests for MADV_DOEXEC beyond the cases the fixes need: the sysctl > and the refused mappings, partial and attribute-carrying ranges (mlock, > DONTFORK, WIPEONFORK, userfaultfd, memory policy), the opt-in note > (missing, malformed, not in the last PT_NOTE), a preserved range under > the new stack, large, swapped and partly marked THP ranges, an exec from > a vfork() child, VM_MAYEXEC read from smaps and given back to the > copies, and a /proc/pid/mem write and a vhost kthread that keep the old > mm across the exec. Failing cases say why. Applies on top of "mm: allow > MADV_DOEXEC on VFIO BAR mappings". > > [...] Applied to branch-rh10-6.12.0-211.52.1.22.x.vz10-ovz, will be released in rh10-6.12.0-211.52.1.22.18.vz10, thanks! [1/9] selftests/mm: cover the MADV_DOEXEC interface and VMA attributes https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/a473bb986c4b [2/9] selftests/mm: cover the MADV_DOEXEC opt-in note and the new stack https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/75c6152d8f93 [3/9] selftests/mm: cover large, swapped and partly marked THP ranges https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/6a6b8286c9ea [4/9] selftests/mm: check that MADV_DOEXEC refuses an exec from a vfork() child https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/7ec5eabb428a [5/9] selftests/mm: check VM_MAYEXEC of MADV_DOEXEC ranges in smaps https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/f6973d153870 [6/9] selftests/mm: check who can still reach the old mm of a preserving exec https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/1e11027cfb9a [7/9] selftests/mm: say why a doexec case fails https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/2d1d09ba3f73 [8/9] selftests/mm: run repeated live updates through MADV_DOEXEC https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/33a4165d9c0b [9/9] selftests/mm: do not lose doexec failures https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/0e5acf6879ab -- Konstantin Khorenko, Virtuozzo Linux Kernel Team _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel