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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Jul 2025 23:43:22.7276 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: be6ef38c-f3ff-4b85-3d12-08ddce308a25 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF000015CC.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6577 Content-Type: text/plain; charset="utf-8" The SNP_VLEK_LOAD IOCTL currently fails due to sev_cmd_buffer_len() returning the default expected buffer length of 0 instead of the correct value, which would be sizeof(struct sev_user_data_snp_vlek_load). Add specific handling for SNP_VLEK_LOAD so the correct expected size is returned. Reported-by: Diego GonzalezVillalobos Cc: Diego GonzalezVillalobos Fixes: 332d2c1d713e ("crypto: ccp: Add the SNP_VLEK_LOAD command") Signed-off-by: Michael Roth --- drivers/crypto/ccp/sev-dev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 3451bada884e..7843973ba4c6 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -233,6 +233,7 @@ static int sev_cmd_buffer_len(int cmd) case SEV_CMD_SNP_GUEST_REQUEST: return sizeof(struct sev_data_snp_guest_= request); case SEV_CMD_SNP_CONFIG: return sizeof(struct sev_user_data_snp_config); case SEV_CMD_SNP_COMMIT: return sizeof(struct sev_data_snp_commit); + case SEV_CMD_SNP_VLEK_LOAD: return sizeof(struct sev_user_data_snp_vlek_= load); default: return 0; } =20 --=20 2.25.1