diff --git a/code/.gitignore b/code/.gitignore
new file mode 100644
index 0000000..6b6d840
--- /dev/null
+++ b/code/.gitignore
@@ -0,0 +1,5 @@
+gcc-9.2.0.tar.xz
+gcc-9.2.0.tar.xz.sig
+llvm-project.181ab91efc9.tar.xz
+clang.181ab91efc9
+gcc-9.2
diff --git a/code/build_clang.sh b/code/build_clang.sh
new file mode 100755
index 0000000..64ffad2
--- /dev/null
+++ b/code/build_clang.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env sh
+
+mkdir build \
+  && cd build \
+  && cmake -DLLVM_ENABLE_PROJECTS=clang \
+    -DCMAKE_BUILD_TYPE=Release \
+    -G "Unix Makefiles" ../llvm \
+  && make -j8
diff --git a/code/build_gcc.sh b/code/build_gcc.sh
new file mode 100755
index 0000000..ce49f2b
--- /dev/null
+++ b/code/build_gcc.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+
+mkdir objdir \
+  && cd objdir \
+  && ../configure \
+    --build=x86_64-linux-gnu \
+    --host=x86_64-linux-gnu \
+    --target=x86_64-linux-gnu \
+    --disable-multilib \
+  && make -j8
diff --git a/code/checksec_result_clang.json b/code/checksec_result_clang.json
new file mode 100644
index 0000000..7294318
--- /dev/null
+++ b/code/checksec_result_clang.json
@@ -0,0 +1 @@
+{ "vuln.clang": { "relro":"partial","canary":"no","nx":"yes","pie":"no","rpath":"no","runpath":"no","symbols":"yes","fortify_source":"no","fortified":"0","fortify-able":"0" } }
\ No newline at end of file
diff --git a/code/checksec_result_gcc.json b/code/checksec_result_gcc.json
new file mode 100644
index 0000000..9677fce
--- /dev/null
+++ b/code/checksec_result_gcc.json
@@ -0,0 +1 @@
+{ "vuln.gcc": { "relro":"partial","canary":"no","nx":"yes","pie":"no","rpath":"no","runpath":"no","symbols":"yes","fortify_source":"no","fortified":"0","fortify-able":"0" } }
\ No newline at end of file
diff --git a/code/vuln.c b/code/vuln.c
new file mode 100644
index 0000000..85bd047
--- /dev/null
+++ b/code/vuln.c
@@ -0,0 +1,13 @@
+#include<string.h>
+void vuln(char *input) {
+  char buf[50];
+  size_t len = strlen(input);
+  for (size_t i = 0; i < len; i++) {
+    buf[i] = input[i];
+  }
+}
+int main(int argc, char **argv) {
+  vuln(argv[1]);
+  return 0;
+}
+
diff --git a/code/vuln.clang b/code/vuln.clang
new file mode 100755
index 0000000..c9deea3
Binary files /dev/null and b/code/vuln.clang differ
diff --git a/code/vuln.gcc b/code/vuln.gcc
new file mode 100755
index 0000000..4fe86ee
Binary files /dev/null and b/code/vuln.gcc differ