fix: no more looping on some weird input

src/interrupt/handler.c

@@ -53,9 +53,12 @@ void irq_handler(void)
 	int8_t index = -1;
 	__asm__ volatile("movb %%bl, %0" ::"m"(index));
 
-	if (index == 0) {
-		pic_send_eoi(index);
+	pic_send_eoi(index);
+	if (index == -1) {
+		kprintf(KERN_ERR "interrupt triggered without a code\n");
 		return;
 	}
+	if (index == 0)
+		return;
 	kpanic("%d\n", index);
 }