if (smx_context_guard_size > 0 && !MC_is_active()) {
stack = (char *)stack - smx_context_guard_size;
if (mprotect(stack, smx_context_guard_size,
if (smx_context_guard_size > 0 && !MC_is_active()) {
stack = (char *)stack - smx_context_guard_size;
if (mprotect(stack, smx_context_guard_size,