Add hardening for pwrite

3 files changed, 30 insertions, 0 deletions

diff --git a/tests/Makefile b/tests/Makefile
index 1f92b36..1c73c7e 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -63,6 +63,8 @@ TARGETS= \
         test_ppoll_static            \
         test_pread_dynamic           \
         test_pread_static            \
+        test_pwrite_dynamic          \
+        test_pwrite_static           \
         test_read_dynamic            \
         test_read_static             \
         test_readlink_dynamic        \
diff --git a/tests/test_pwrite_dynamic.c b/tests/test_pwrite_dynamic.c
new file mode 100644
index 0000000..8e132ed
--- /dev/null
+++ b/tests/test_pwrite_dynamic.c
@@ -0,0 +1,14 @@
+#include "common.h"
+
+#include <unistd.h>
+
+int main(int argc, char** argv) {
+  char buffer[8] = {0};
+
+  CHK_FAIL_START
+  pwrite(0, buffer, argc, 0);
+  CHK_FAIL_END
+
+  puts(buffer);
+  return ret;
+}
diff --git a/tests/test_pwrite_static.c b/tests/test_pwrite_static.c
new file mode 100644
index 0000000..6815fd4
--- /dev/null
+++ b/tests/test_pwrite_static.c
@@ -0,0 +1,14 @@
+#include "common.h"
+
+#include <unistd.h>
+
+int main(int argc, char** argv) {
+  char buffer[12] = {0};
+
+  CHK_FAIL_START
+  pwrite(0, buffer, 14, 0);
+  CHK_FAIL_END
+
+  puts(buffer);
+  return ret;
+}