1 files changed, 8 insertions, 3 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index a33af2359c..25ec64124e 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5910,9 +5910,14 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
         }
         break;
     case 0x8000001E:
-        assert(cpu->core_id <= 255);
-        encode_topo_cpuid8000001e(cpu, &topo_info,
-                                  eax, ebx, ecx, edx);
+        if (cpu->core_id <= 255) {
+            encode_topo_cpuid8000001e(cpu, &topo_info, eax, ebx, ecx, edx);
+        } else {
+            *eax = 0;
+            *ebx = 0;
+            *ecx = 0;
+            *edx = 0;
+        }
         break;
     case 0xC0000000:
         *eax = env->cpuid_xlevel2;