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GET /api/patches/2216005/?format=api
{ "id": 2216005, "url": "http://patchwork.ozlabs.org/api/patches/2216005/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260325164453.72127-3-pbonzini@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/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": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260325164453.72127-3-pbonzini@redhat.com>", "list_archive_url": null, "date": "2026-03-25T16:44:36", "name": "[PULL,02/19] tdx: fix use-after-free in tdx_fetch_cpuid", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "e50a6d4a6176868edb105722bf3e401d0fa35953", "submitter": { "id": 2701, "url": "http://patchwork.ozlabs.org/api/people/2701/?format=api", "name": "Paolo Bonzini", "email": "pbonzini@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260325164453.72127-3-pbonzini@redhat.com/mbox/", "series": [ { "id": 497473, "url": "http://patchwork.ozlabs.org/api/series/497473/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=497473", "date": "2026-03-25T16:44:34", "name": "[PULL,01/19] tests/functional: preserve PYTHONPATH entries", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/497473/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216005/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216005/checks/", "tags": {}, "related": [], "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) 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+WNMSxP6ZRRd2Hj7W6y2ovEJRbV0FxUpI6L3rIWANMHHfsWvq8jAmW+E2ztygJD2ngcKBgfXyo+\n Qy24Zv9rxWvTEH1tDwHLspQRApH2GVUb9v+yzC1bGGgt5Yx77D3g390iYwf4z3hV9aZYocxPeYL\n hJifL2SETtfKmumJEE5DatKS13", "X-Received": [ "by 2002:a05:600c:350f:b0:485:4278:24fb with SMTP id\n 5b1f17b1804b1-487160afca2mr60589245e9.32.1774457099771;\n Wed, 25 Mar 2026 09:44:59 -0700 (PDT)", "by 2002:a05:600c:350f:b0:485:4278:24fb with SMTP id\n 5b1f17b1804b1-487160afca2mr60588475e9.32.1774457099040;\n Wed, 25 Mar 2026 09:44:59 -0700 (PDT)" ], "From": "Paolo Bonzini <pbonzini@redhat.com>", "To": "qemu-devel@nongnu.org", "Cc": "Stefan Weil <sw@weilnetz.de>,\n\tqemu-stable@nongnu.org", "Subject": "[PULL 02/19] tdx: fix use-after-free in tdx_fetch_cpuid", "Date": "Wed, 25 Mar 2026 17:44:36 +0100", "Message-ID": "<20260325164453.72127-3-pbonzini@redhat.com>", "X-Mailer": "git-send-email 2.53.0", "In-Reply-To": "<20260325164453.72127-1-pbonzini@redhat.com>", "References": "<20260325164453.72127-1-pbonzini@redhat.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=170.10.129.124;\n envelope-from=pbonzini@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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-0.001,\n SPF_PASS=-0.001 autolearn=unavailable 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 is mostly harmless right now because the \"if\" is never\nhit, but the code as written makes no sense.\n\nReported-by: Stefan Weil <sw@weilnetz.de>\nCc: qemu-stable@nongnu.org\nSigned-off-by: Paolo Bonzini <pbonzini@redhat.com>\n---\n target/i386/kvm/tdx.c | 2 +-\n 1 file changed, 1 insertion(+), 1 deletion(-)", "diff": "diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c\nindex 4cae99c281a..4714c9d514e 100644\n--- a/target/i386/kvm/tdx.c\n+++ b/target/i386/kvm/tdx.c\n@@ -848,7 +848,7 @@ static struct kvm_cpuid2 *tdx_fetch_cpuid(CPUState *cpu, int *ret)\n r = tdx_vcpu_ioctl(cpu, KVM_TDX_GET_CPUID, 0, fetch_cpuid, &local_err);\n if (r == -E2BIG) {\n g_free(fetch_cpuid);\n- size = fetch_cpuid->nent;\n+ size *= 2;\n }\n } while (r == -E2BIG);\n \n", "prefixes": [ "PULL", "02/19" ] }