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GET /api/1.1/patches/2228988/?format=api
{ "id": 2228988, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228988/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427154441.1918536-2-rkir@google.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": "<20260427154441.1918536-2-rkir@google.com>", "date": "2026-04-27T15:44:40", "name": "[1/2] qom: improve use-after-free debugging", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f04a47cd5862037e6306d6a51bfee321aea6a2b9", "submitter": { "id": 78520, "url": "http://patchwork.ozlabs.org/api/1.1/people/78520/?format=api", "name": "Roman Kiryanov", "email": "rkir@google.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427154441.1918536-2-rkir@google.com/mbox/", "series": [ { "id": 501681, "url": "http://patchwork.ozlabs.org/api/1.1/series/501681/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501681", "date": "2026-04-27T15:44:39", "name": "improve qom debugging and fix a dangling MemoryRegion in rutabaga", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501681/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228988/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228988/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=google.com header.i=@google.com header.a=rsa-sha256\n header.s=20251104 header.b=lp0lpi7/;\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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Mon, 27\n Apr 2026 08:48:07 -0700 (PDT)", "Date": "Mon, 27 Apr 2026 15:44:40 +0000", "In-Reply-To": "<20260427154441.1918536-1-rkir@google.com>", "Mime-Version": "1.0", "References": "<20260427154441.1918536-1-rkir@google.com>", "X-Mailer": "git-send-email 2.54.0.rc2.544.gc7ae2d5bb8-goog", "Message-ID": "<20260427154441.1918536-2-rkir@google.com>", "Subject": "[PATCH 1/2] qom: improve use-after-free debugging", "From": "Roman Kiryanov <rkir@google.com>", "To": "pbonzini@redhat.com, alex.bennee@linaro.org", "Cc": "qemu-devel@nongnu.org, Roman Kiryanov <rkir@google.com>", "Content-Type": "text/plain; charset=\"UTF-8\"", "Received-SPF": "pass client-ip=2607:f8b0:4864:20::1049;\n envelope-from=3N4XvaQQKClYF86F4CC492.0CAE2AI-12J29BCB4BI.CF4@flex--rkir.bounces.google.com;\n helo=mail-pj1-x1049.google.com", "X-Spam_score_int": "-95", "X-Spam_score": "-9.6", "X-Spam_bar": "---------", "X-Spam_report": "(-9.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001,\n USER_IN_DEF_DKIM_WL=-7.5 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": "This patch invalidates dead objects so their usage will\nlead to more predictable results (crashes or asserts).\n\nChange-Id: I1dc36dbc1030c2e41c937f08baa97b2e81d44c82\nSigned-off-by: Roman Kiryanov <rkir@google.com>\n---\n qom/object.c | 3 +++\n 1 file changed, 3 insertions(+)", "diff": "diff --git a/qom/object.c b/qom/object.c\nindex f981e27044..240e36c39e 100644\n--- a/qom/object.c\n+++ b/qom/object.c\n@@ -613,6 +613,7 @@ static void object_property_del_all(Object *obj)\n } while (released);\n \n g_hash_table_unref(obj->properties);\n+ obj->properties = NULL;\n }\n \n static void object_property_del_child(Object *obj, Object *child)\n@@ -670,6 +671,8 @@ static void object_finalize(void *data)\n \n g_assert(obj->ref == 0);\n g_assert(obj->parent == NULL);\n+ g_assert(obj->properties == NULL);\n+ obj->class = NULL;\n if (obj->free) {\n obj->free(obj);\n }\n", "prefixes": [ "1/2" ] }