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{ "id": 2231299, "url": "http://patchwork.ozlabs.org/api/covers/2231299/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260430142337.2104726-1-stefanb@linux.ibm.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": "<20260430142337.2104726-1-stefanb@linux.ibm.com>", "list_archive_url": null, "date": "2026-04-30T14:23:35", "name": "[v2,0/2] Improve handling of response buffer size in tpm_emulator", "submitter": { "id": 75097, "url": "http://patchwork.ozlabs.org/api/people/75097/?format=api", "name": "Stefan Berger", "email": "stefanb@linux.ibm.com" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260430142337.2104726-1-stefanb@linux.ibm.com/mbox/", "series": [ { "id": 502315, "url": "http://patchwork.ozlabs.org/api/series/502315/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502315", "date": "2026-04-30T14:23:37", "name": "Improve handling of response buffer size in tpm_emulator", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/502315/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2231299/comments/", "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=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=jCERhyYw;\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=ibm.com; h=cc\n :content-transfer-encoding:date:from:message-id:mime-version\n :subject:to; s=pp1; bh=SddztLBHByQ33xZD34wZSZQBRCXfTJ2UcmUdcyl+C\n R4=; b=jCERhyYw4Z+ngUqjrQciS7pMptiex/7MwAYYBYCzwyVg+tw8pTk6hAmYl\n mcVHB01JrRh4ALbRy3b3MxQ/OwhckHzy2rbHPb1WNJnVtXg9DLCYEh03OyXNW3Pk\n Z6eyzb836u6qL77W+dOLElOuObSwxUSsa3+N3dS82NNNcDT1HP90XQqf196F/4um\n qw9bkewmjLheP6W3blT00SKsx/tiEq029ubuxK9eewH+MM/cAe67CgRYZUGM8HQW\n sEIPFUPop6mOVZrX8sOV1SrGsLbR9V80c3Zk7uMoc3CRjXD1fvh1jXb5FFrJyVmB\n 0EI43d6xtlURVjvrIxWdqZe2IlSeg==", "From": "Stefan Berger <stefanb@linux.ibm.com>", "To": "qemu-devel@nongnu.org", "Cc": "marcandre.lureau@redhat.com, armenon@redhat.com,\n Stefan Berger <stefanb@linux.ibm.com>", "Subject": "[PATCH v2 0/2] Improve handling of response buffer size in\n tpm_emulator", "Date": "Thu, 30 Apr 2026 14:23:35 +0000", "Message-ID": "<20260430142337.2104726-1-stefanb@linux.ibm.com>", "X-Mailer": "git-send-email 2.43.0", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Authority-Analysis": "v=2.4 cv=CIIamxrD c=1 sm=1 tr=0 ts=69f365ef cx=c_pps\n a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17\n a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22\n a=RzCfie-kr_QcCd8fBx8p:22 a=0s17AUUPUcYwv1RGZiYA:9 a=ZXulRonScM0A:10", "X-Proofpoint-ORIG-GUID": "fMmAjRymj2-gj9qcrtMrASEVEfGvMW61", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDMwMDE0NyBTYWx0ZWRfX5IDyubAk1eit\n KKWGAJFULkUHjjwT5O5NOOkzT6zYNP4d3eo9XC0c/HVnH646zC9cTEMTErsnMQb2nfSc99ds67P\n RVAaMnTMD7Q1DInQ2uwTPUOIrIJO9SmNmwZ3FjfeTG5Aqq994QF1vL3SRwJLsfhLHq+bLjJZ5ns\n tRctR6vGTt2IDXuyoOk2tdLKHd8uHgKbBeUq4nnshPpUGxYMHArUEH3Id9u4CIN56JqA5/AP74j\n eh8+pUIIWEI+TIdMdzm8O+4Ro7TEzz439e1ebrNfSQNC7e5NLvwBuMNl9vqt0kSAaL+OnDWncyh\n S5hISPj6ZiXBMiF0kJCqWGw0dehk6vrsjfBoXtjxgbzchxDsVzcOAcbf768iwgzvMeQZnlcizKU\n nMuzxPsSMXJk3L47TQTSDyG7x9YU/PgJmu4mwz56OesJZYXW19sBXHV2IIpS4j+o7a+u5mPS0G/\n BvlK1CXhfb5eEujzcaQ==", "X-Proofpoint-GUID": "fMmAjRymj2-gj9qcrtMrASEVEfGvMW61", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-30_04,2026-04-30_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n spamscore=0 phishscore=0 malwarescore=0 suspectscore=0 adultscore=0\n impostorscore=0 lowpriorityscore=0 clxscore=1015 bulkscore=0\n priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc=\n route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000\n definitions=main-2604300147", "Received-SPF": "pass client-ip=148.163.158.5;\n envelope-from=stefanb@linux.ibm.com;\n helo=mx0b-001b2d01.pphosted.com", "X-Spam_score_int": "-26", "X-Spam_score": "-2.7", "X-Spam_bar": "--", "X-Spam_report": "(-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7,\n RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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": "This series addresses some issues with the handling of the negotiated\nbuffer size that the TPM frontends tell the tpm_emulator (swtpm) to use.\nAlso, it improves on limiting the number of bytes read from the packet\nsent from swtpm.\n\n Stefan\n\nStefan Berger (2):\n tpm_emulator: Reject a buffer size larger than what was requested\n tpm_emulator: Limit number of bytes read to negotiated buffer size\n\n backends/tpm/tpm_emulator.c | 24 ++++++++++++++++++++----\n 1 file changed, 20 insertions(+), 4 deletions(-)" }