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{ "id": 2197227, "url": "http://patchwork.ozlabs.org/api/1.0/covers/2197227/?format=api", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/1.0/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260217132936.2736916-1-kavin.gunasekara@arm.com>", "date": "2026-02-17T13:29:34", "name": "[0/2] virtio: rng: Handle oversized return buffers", "submitter": { "id": 92658, "url": "http://patchwork.ozlabs.org/api/1.0/people/92658/?format=api", "name": "Kavin Gunasekara", "email": "kavin.gunasekara@arm.com" }, "series": [ { "id": 492428, "url": "http://patchwork.ozlabs.org/api/1.0/series/492428/?format=api", "date": "2026-02-17T13:29:34", "name": "virtio: rng: Handle oversized return buffers", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492428/mbox/" } ], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de\n (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de;\n envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org)", "phobos.denx.de;\n dmarc=fail (p=none dis=none) header.from=arm.com", "phobos.denx.de;\n spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de", "phobos.denx.de;\n dmarc=fail (p=none dis=none) header.from=arm.com", "phobos.denx.de;\n spf=pass smtp.mailfrom=kavin.gunasekara@arm.com" ], "Received": [ "from phobos.denx.de (phobos.denx.de\n [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fFgl65CYFz1xwF\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 18 Feb 2026 00:40:50 +1100 (AEDT)", "from h2850616.stratoserver.net (localhost [IPv6:::1])\n\tby phobos.denx.de (Postfix) with ESMTP id 4875B83D3D;\n\tTue, 17 Feb 2026 14:40:41 +0100 (CET)", "by phobos.denx.de (Postfix, from userid 109)\n id E37B783C32; Tue, 17 Feb 2026 14:30:24 +0100 (CET)", "from foss.arm.com (foss.arm.com [217.140.110.172])\n by phobos.denx.de (Postfix) with ESMTP id C8C7080325\n for <u-boot@lists.denx.de>; Tue, 17 Feb 2026 14:30:21 +0100 (CET)", "from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14])\n by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 55C581477;\n Tue, 17 Feb 2026 05:30:14 -0800 (PST)", "from e142508.manchester.arm.com (e142508.arm.com [10.33.11.66])\n by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8ADD63F632;\n Tue, 17 Feb 2026 05:30:19 -0800 (PST)" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=-1.9 required=5.0 tests=BAYES_00,\n RCVD_IN_DNSWL_BLOCKED,RCVD_IN_VALIDITY_CERTIFIED_BLOCKED,\n RCVD_IN_VALIDITY_RPBL_BLOCKED,SPF_HELO_PASS,SPF_PASS autolearn=ham\n autolearn_force=no version=3.4.2", "From": "Kavin Gunasekara <kavin.gunasekara@arm.com>", "To": "u-boot@lists.denx.de", "Cc": "sughosh.ganu@linaro.org, xypron.glpk@gmx.de, bmeng.cn@gmail.com,\n trini@konsulko.com, sjg@chromium.org, kavin.gunasekara@arm.com,\n andre.przywara@arm.com", "Subject": "[PATCH 0/2] virtio: rng: Handle oversized return buffers", "Date": "Tue, 17 Feb 2026 13:29:34 +0000", "Message-Id": "<20260217132936.2736916-1-kavin.gunasekara@arm.com>", "X-Mailer": "git-send-email 2.34.1", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "X-Mailman-Approved-At": "Tue, 17 Feb 2026 14:40:39 +0100", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "On Arm FVP platforms the virtio backend sometimes returns more bytes\nthan requested. The virtio spec does not forbid returning extra\nbytes. U-Boot’s existing virtio-rng test treats such cases as errors\nand the test checks if an error is returned, leading to test failures\non FVPs.\n\nTo prevent the test failing in such cases, U-Boot should properly\nhandle such cases. Patch 1 adjusts the test, while patch 2 relaxes\nthe error check in the rng code.\n\nKavin Gunasekara (2):\n test: dm: virtio_rng: Update virtio-rng test\n virtio: rng: Handle oversized return buffers\n\n drivers/virtio/virtio_rng.c | 2 +-\n test/dm/virtio_rng.c | 14 ++++++++++++--\n 2 files changed, 13 insertions(+), 3 deletions(-)" }