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Tue, 10 Oct 2023 15:03:00 -0500 From: John Allen To: CC: , , , , , , , , John Allen Subject: [PATCH 2/9] KVM: x86: SVM: Update dump_vmcb with shadow stack save area additions Date: Tue, 10 Oct 2023 20:02:13 +0000 Message-ID: <20231010200220.897953-3-john.allen@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231010200220.897953-1-john.allen@amd.com> References: <20231010200220.897953-1-john.allen@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS2PEPF00003439:EE_|SA1PR12MB8888:EE_ X-MS-Office365-Filtering-Correlation-Id: d1159e21-e12e-42e8-bba3-08dbc9cbe860 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(376002)(136003)(39860400002)(396003)(346002)(230922051799003)(64100799003)(186009)(451199024)(1800799009)(82310400011)(40470700004)(36840700001)(46966006)(16526019)(426003)(26005)(1076003)(81166007)(336012)(2616005)(40460700003)(86362001)(36860700001)(40480700001)(36756003)(82740400003)(356005)(6666004)(8936002)(4326008)(478600001)(44832011)(2906002)(7696005)(47076005)(8676002)(5660300002)(6916009)(316002)(41300700001)(70206006)(70586007)(54906003)(36900700001);DIR:OUT;SFP:1101; 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Tue, 10 Oct 2023 13:03:18 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1779400126493426871 X-GMAIL-MSGID: 1779400126493426871 Add shadow stack VMCB save area fields to dump_vmcb. Only include S_CET, SSP, and ISST_ADDR. Since there currently isn't support to decrypt and dump the SEV-ES save area, exclude PL0_SSP, PL1_SSP, PL2_SSP, PL3_SSP, and U_CET which are only inlcuded in the SEV-ES save area. Signed-off-by: John Allen Reviewed-by: Maxim Levitsky --- arch/x86/kvm/svm/svm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 6a0d225311bc..e435e4fbadda 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -3416,6 +3416,10 @@ static void dump_vmcb(struct kvm_vcpu *vcpu) "rip:", save->rip, "rflags:", save->rflags); pr_err("%-15s %016llx %-13s %016llx\n", "rsp:", save->rsp, "rax:", save->rax); + pr_err("%-15s %016llx %-13s %016llx\n", + "s_cet:", save->s_cet, "ssp:", save->ssp); + pr_err("%-15s %016llx\n", + "isst_addr:", save->isst_addr); pr_err("%-15s %016llx %-13s %016llx\n", "star:", save01->star, "lstar:", save01->lstar); pr_err("%-15s %016llx %-13s %016llx\n",