Added Level 3.0 ~ 8.1 of KernelSecurity in PwnCollege

PwnCollege/KernelSecurity/Level8.0/test_seccomp.c

@@ -0,0 +1,8 @@
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/cred.h>
+MODULE_LICENSE("GPT");
+
+void* test_unset_seccomp_flag_in_thread_info_flags(void) {
+    return current->thread_info.flags &= ~(1 << TIF_SECCOMP);
+}