{"id":2223518,"url":"http://patchwork.ozlabs.org/api/patches/2223518/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260415132926.58878-5-mohamed@unpredictable.fr/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","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":"<20260415132926.58878-5-mohamed@unpredictable.fr>","list_archive_url":null,"date":"2026-04-15T13:29:20","name":"[v2,04/10] whpx: i386: tighten APIC base validity check","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"a8f5206fdf2f9421c2eb059c06167609ab1b781d","submitter":{"id":91318,"url":"http://patchwork.ozlabs.org/api/people/91318/?format=json","name":"Mohamed Mediouni","email":"mohamed@unpredictable.fr"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260415132926.58878-5-mohamed@unpredictable.fr/mbox/","series":[{"id":499989,"url":"http://patchwork.ozlabs.org/api/series/499989/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499989","date":"2026-04-15T13:29:20","name":"whpx: i386: Some more changes","version":2,"mbox":"http://patchwork.ozlabs.org/series/499989/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2223518/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2223518/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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=unpredictable.fr header.i=@unpredictable.fr\n header.a=rsa-sha256 header.s=sig1 header.b=EB2mW5rP;\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=outbound.pv.icloud.com","X-Spam_score_int":"-27","X-Spam_score":"-2.8","X-Spam_bar":"--","X-Spam_report":"(-2.8 / 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 RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=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, 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 ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Signed-off-by: Mohamed Mediouni \n---\n target/i386/whpx/whpx-all.c | 3 +++\n 1 file changed, 3 insertions(+)","diff":"diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c\nindex 73066581d4..6c39168b06 100644\n--- a/target/i386/whpx/whpx-all.c\n+++ b/target/i386/whpx/whpx-all.c\n@@ -1993,6 +1993,9 @@ int whpx_vcpu_run(CPUState *cpu)\n \n if (vcpu->exit_ctx.MsrAccess.MsrNumber == MSR_IA32_APICBASE) {\n is_known_msr = 1;\n+ if (val & MSR_IA32_APICBASE_RESERVED) {\n+ x86_emul_raise_exception(&X86_CPU(cpu)->env, EXCP0D_GPF, 0);\n+ }\n if (!vcpu->exit_ctx.MsrAccess.AccessInfo.IsWrite) {\n /* Read path unreachable on Hyper-V */\n abort();\n","prefixes":["v2","04/10"]}