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GET /api/1.1/patches/2231956/?format=api
{ "id": 2231956, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2231956/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260501162700.4092512-1-peter.maydell@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260501162700.4092512-1-peter.maydell@linaro.org>", "date": "2026-05-01T16:27:00", "name": "hw/misc/bcm2835_rng: Specify valid memory access sizes", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "90903abe36f7b8aa27b1db214f460a113ffa9a9b", "submitter": { "id": 5111, "url": "http://patchwork.ozlabs.org/api/1.1/people/5111/?format=api", "name": "Peter Maydell", "email": "peter.maydell@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260501162700.4092512-1-peter.maydell@linaro.org/mbox/", "series": [ { "id": 502482, "url": "http://patchwork.ozlabs.org/api/1.1/series/502482/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502482", "date": "2026-05-01T16:27:00", "name": "hw/misc/bcm2835_rng: Specify valid memory access sizes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502482/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2231956/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2231956/checks/", "tags": {}, "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=oaFbASJE;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g6bzc4VdGz1yJv\n\tfor <incoming@patchwork.ozlabs.org>; Sat, 02 May 2026 02:27:24 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wIqho-0007hm-KQ; Fri, 01 May 2026 12:27:08 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)\n id 1wIqhk-0007fL-UD\n for qemu-devel@nongnu.org; Fri, 01 May 2026 12:27:05 -0400", "from mail-wm1-x333.google.com ([2a00:1450:4864:20::333])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)\n id 1wIqhj-00088x-9W\n for qemu-devel@nongnu.org; Fri, 01 May 2026 12:27:04 -0400", "by mail-wm1-x333.google.com with SMTP id\n 5b1f17b1804b1-488e1a8ac40so20064835e9.2\n for <qemu-devel@nongnu.org>; Fri, 01 May 2026 09:27:02 -0700 (PDT)", "from lanath.. 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helo=mail-wm1-x333.google.com", "X-Spam_score_int": "-20", "X-Spam_score": "-2.1", "X-Spam_bar": "--", "X-Spam_report": "(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "The BCM2835 RNG has 32-bit registers only; specify this in\nthe MemoryRegionOps so wrong-sized accesses are rejected rather\nthan getting to the assertions in the read and write functions.\n\nCc: qemu-stable@nongnu.org\nResolves: https://gitlab.com/qemu-project/qemu/-/work_items/3394\nFixes: 54a5ba13a9f (\"target-arm: Implement BCM2835 hardware RNG\")\nSigned-off-by: Peter Maydell <peter.maydell@linaro.org>\n---\n hw/misc/bcm2835_rng.c | 2 ++\n 1 file changed, 2 insertions(+)", "diff": "diff --git a/hw/misc/bcm2835_rng.c b/hw/misc/bcm2835_rng.c\nindex e4d2c224c8..bd4acade5b 100644\n--- a/hw/misc/bcm2835_rng.c\n+++ b/hw/misc/bcm2835_rng.c\n@@ -93,6 +93,8 @@ static const MemoryRegionOps bcm2835_rng_ops = {\n .read = bcm2835_rng_read,\n .write = bcm2835_rng_write,\n .endianness = DEVICE_NATIVE_ENDIAN,\n+ .valid.min_access_size = 4,\n+ .valid.max_access_size = 4,\n };\n \n static const VMStateDescription vmstate_bcm2835_rng = {\n", "prefixes": [] }