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GET /api/1.1/patches/2229115/?format=api
{ "id": 2229115, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2229115/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427-qom-tests-v1-3-c413f3605311@redhat.com/", "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": "<20260427-qom-tests-v1-3-c413f3605311@redhat.com>", "date": "2026-04-27T19:42:02", "name": "[03/41] hw/pci-bridge: handle missing parent in prop_pxb_uid_get", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b83177884f9cb7f9d6377e8e282a266b7ae7deec", "submitter": { "id": 66774, "url": "http://patchwork.ozlabs.org/api/1.1/people/66774/?format=api", "name": "Marc-André Lureau", "email": "marcandre.lureau@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427-qom-tests-v1-3-c413f3605311@redhat.com/mbox/", "series": [ { "id": 501716, "url": "http://patchwork.ozlabs.org/api/1.1/series/501716/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501716", "date": "2026-04-27T19:42:03", "name": "Fix various QOM object life-cycle issues", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501716/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2229115/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2229115/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 (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=evjlNtY9;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1777318965;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=sAuYAhy1cX7XBXjOLthJfEq8jJm8Z2hVUkA1DREfIfI=;\n b=evjlNtY9ITisemuonp510myOUJA1IqPlB1+WDoVmHEjQWnUM+5qZjffwftUdeCzG0gSnMr\n i44727thjwc82nmjCBIMbZEf6jArxXi92Gy15xfaEIZ2dlmPiu4VKyyhR75GdL448UeTYP\n KkxX9jJpPptZM6p6+FPq4F9iPIQWUCc=", "X-MC-Unique": "1jwxN4HQNgCg54yE6XrU0g-1", "X-Mimecast-MFC-AGG-ID": "1jwxN4HQNgCg54yE6XrU0g_1777318962", "From": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>", "Date": "Mon, 27 Apr 2026 23:42:02 +0400", "Subject": "[PATCH 03/41] hw/pci-bridge: handle missing parent in\n prop_pxb_uid_get", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "8bit", "Message-Id": "<20260427-qom-tests-v1-3-c413f3605311@redhat.com>", "References": "<20260427-qom-tests-v1-0-c413f3605311@redhat.com>", "In-Reply-To": "<20260427-qom-tests-v1-0-c413f3605311@redhat.com>", "To": "qemu-devel@nongnu.org", "Cc": "armbru@redhat.com,\n =?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n \"Michael S. Tsirkin\" <mst@redhat.com>", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1195;\n i=marcandre.lureau@redhat.com; h=from:subject:message-id;\n bh=7IzFtyW5t8Gf12v8GCg2dNaN6ZsDHP4zF5gwn8PfMpc=;\n b=owEBbQKS/ZANAwAKAdro4Ql1lpzlAcsmYgBp77wUxXrEGyOfqXJtmyjiR7kGhiC9PY3OuVy9q\n xBEprUUWW2JAjMEAAEKAB0WIQSHqb2TP4fGBtJ29i3a6OEJdZac5QUCae+8FAAKCRDa6OEJdZac\n 5Tq9EACUumLvmV3Yhiw+Fjqg5+mbboRkvntsilf5BiEJAydH/nFWLvm+WWq06JBcVEGbesvP5r3\n xxxyjMAPelAS+ywlVUSnslPuMfjEn2Mkc2iyuGJEe5KGbw1z1JTlzAvbUPV5e0wXkCxiVY4F05r\n kKPp7/qNw4vjxfw2ona30Fnn3PaN0KvYit75DSGoqXM5FqHboQUICtwJ53d+R8UwOL/6LyIfK+M\n 3Ls8WX7BRRU/6AcUINYABz8LxQ5vxwbX8ErDbQMlPTRZlIySD9F1MWvFfm4C56bD7uVQ+TVZw+i\n aCK+F79m2/v7Cuj4o44QZOVFK4YJUgOMmJ6esmCJD/WglFFVvMH24+KdGbkMXF5RwevG2wJcEse\n 9VFclGaCyGuReOfB2McBj2GUpBVY4yja2jl35cK/ofH5Y6BEU840iLZ+fWrzr2LrkHcvlpueTCf\n LNfGiXC6Fy2N9vCubHrUU/bNDMerlyQ1P1U0Pz7P8XxVM1H86sSkhDAa0qvx8EkHZZw+wyt3wVf\n imBPp9WE4lLloeAH9A5oHQzHgerEnNjINGk0tWs+yk7PGXJoQt6MMqzMJWMc/Pitptdqpqk3g/t\n yJqflIUP9lnnd434ynI5+OungsjcDmZbnaUaAIu0XSBjVkJzYo9yWYH0Ea4U0iQYC5jPOuGzfpM\n V1tipA2S7Sk2PMA==", "X-Developer-Key": "i=marcandre.lureau@redhat.com; a=openpgp;\n fpr=87A9BD933F87C606D276F62DDAE8E10975969CE5", "X-Scanned-By": "MIMEDefang 3.0 on 10.30.177.17", "Received-SPF": "pass client-ip=170.10.133.124;\n envelope-from=marcandre.lureau@redhat.com;\n helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001,\n SPF_HELO_PASS=-0.001, 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": "When called on an unrealized pxb bus (e.g. from\nqmp_qom_list_properties), bus->parent_dev is NULL. The pxb_bus_num()\ncallback dereferences it unconditionally. Check for this to avoid a\nNULL dereference.\n\nFixes: 97b9cb066e5f (\"hw/pci-bridge: Add acpi_uid property to TYPE_PXB_BUS\")\nSigned-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>\n---\n hw/pci-bridge/pci_expander_bridge.c | 8 +++++++-\n 1 file changed, 7 insertions(+), 1 deletion(-)", "diff": "diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c\nindex 11623a5666f..40ffbc4e082 100644\n--- a/hw/pci-bridge/pci_expander_bridge.c\n+++ b/hw/pci-bridge/pci_expander_bridge.c\n@@ -85,8 +85,14 @@ static uint16_t pxb_bus_numa_node(PCIBus *bus)\n static void prop_pxb_uid_get(Object *obj, Visitor *v, const char *name,\n void *opaque, Error **errp)\n {\n- uint32_t uid = pci_bus_num(PCI_BUS(obj));\n+ PCIBus *bus = PCI_BUS(obj);\n+ uint32_t uid;\n \n+ if (!bus->parent_dev) {\n+ error_setg(errp, \"bus not attached to a device\");\n+ return;\n+ }\n+ uid = pci_bus_num(bus);\n visit_type_uint32(v, name, &uid, errp);\n }\n \n", "prefixes": [ "03/41" ] }