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-rw-r--r--src/cpu/x86/smm/smm_module_loader.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/cpu/x86/smm/smm_module_loader.c b/src/cpu/x86/smm/smm_module_loader.c
index a421436893..81020a460a 100644
--- a/src/cpu/x86/smm/smm_module_loader.c
+++ b/src/cpu/x86/smm/smm_module_loader.c
@@ -202,6 +202,8 @@ static int smm_module_setup_stub(void *smbase, struct smm_loader_params *params,
/* Adjust remaining size to account for save state. */
total_save_state_size = params->per_cpu_save_state_size *
params->num_concurrent_save_states;
+ if (total_save_state_size > size)
+ return -1;
size -= total_save_state_size;
/* The save state size encroached over the first SMM entry point. */