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GET /api/patches/2216499/?format=api
{ "id": 2216499, "url": "http://patchwork.ozlabs.org/api/patches/2216499/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-ppc/patch/20260326152733.344926-1-chan9yan9@gmail.com/", "project": { "id": 69, "url": "http://patchwork.ozlabs.org/api/projects/69/?format=api", "name": "QEMU powerpc development", "link_name": "qemu-ppc", "list_id": "qemu-ppc.nongnu.org", "list_email": "qemu-ppc@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260326152733.344926-1-chan9yan9@gmail.com>", "list_archive_url": null, "date": "2026-03-26T15:27:33", "name": "As reported in qemu-project/qemu#3324", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "650a42ea99d9e1144f4729ad1b84ab1046c1fa51", "submitter": { "id": 92979, "url": "http://patchwork.ozlabs.org/api/people/92979/?format=api", "name": "Zexiang Zhang", "email": "chan9yan9@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-ppc/patch/20260326152733.344926-1-chan9yan9@gmail.com/mbox/", "series": [ { "id": 497615, "url": "http://patchwork.ozlabs.org/api/series/497615/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-ppc/list/?series=497615", "date": "2026-03-26T15:27:33", "name": "As reported in qemu-project/qemu#3324", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/497615/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216499/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216499/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-ppc-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=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=mt8scnIw;\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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helo=mail-pf1-x42c.google.com", "X-Spam_score_int": "-17", "X-Spam_score": "-1.8", "X-Spam_bar": "-", "X-Spam_report": "(-1.8 / 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 FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001,\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-Mailman-Approved-At": "Thu, 26 Mar 2026 12:02:26 -0400", "X-BeenThere": "qemu-ppc@nongnu.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<qemu-ppc.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-ppc>,\n <mailto:qemu-ppc-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-ppc>", "List-Post": "<mailto:qemu-ppc@nongnu.org>", "List-Help": "<mailto:qemu-ppc-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-ppc>,\n <mailto:qemu-ppc-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: kiki <Chan9Yan9@gmail.com>\n\nA malformed IVE value can result in an invalid server field being\npassed to icp_irq(). The function assumes the server id is valid and\nmay access invalid state otherwise, potentially leading to a crash.\n\nFix this by validating the server id before using it and ignoring\ninvalid values.\n\nReported-by: Zexiang Zhang <chan9yan9@gmail.com>\nSigned-off-by: Zexiang Zhang <chan9yan9@gmail.com>\n---\n hw/intc/xics.c | 7 +++++++\n 1 file changed, 7 insertions(+)", "diff": "diff --git a/hw/intc/xics.c b/hw/intc/xics.c\nindex 1d40c4386d..25c7b0c8a5 100644\n--- a/hw/intc/xics.c\n+++ b/hw/intc/xics.c\n@@ -222,6 +222,13 @@ void icp_irq(ICSState *ics, int server, int nr, uint8_t priority)\n \n trace_xics_icp_irq(server, nr, priority);\n \n+ if (!icp) {\n+ qemu_log_mask(LOG_GUEST_ERROR, \"XICS: invalid server %d for IRQ 0x%x\\n\",\n+ server, nr);\n+ ics_reject(ics, nr);\n+ return;\n+ }\n+\n if ((priority >= CPPR(icp))\n || (XISR(icp) && (icp->pending_priority <= priority))) {\n ics_reject(ics, nr);\n", "prefixes": [] }