Update exploit.c

src/exploit.c

@@ -11,6 +11,21 @@
 
 #include "util.h"
 
+static inline void *get_kernel_data_address() {
+    FILE *address_file;
+    address_file = fopen("/sys/kernel/kernel_data/address", "r");
+    if (address_file != NULL) {
+        uint64_t address;
+        if (fscanf(address_file, "%lx\n", &address) == 1) {
+            fclose(address_file);
+            return (void *) address;
+        }
+        fclose(address_file);
+    }
+    return 0;
+}
+
+
 // TODO: Copy your code from the previous stage and make the necessary edits to do_access() 
 //       Note that this code WILL NOT WORK on compute-cpu2.  You must push it to gitlab to get it to run
 //       on one of the meltdown machines.