1 files changed, 23 insertions, 0 deletions
diff --git a/test/asan/TestCases/printf-4.c b/test/asan/TestCases/printf-4.c
new file mode 100644
index 0000000000000..e269211d4871e
--- /dev/null
+++ b/test/asan/TestCases/printf-4.c
@@ -0,0 +1,23 @@
+// RUN: %clang_asan -O2 %s -o %t
+// We need replace_str=0 and replace_intrin=0 to avoid reporting errors in
+// strlen() and memcpy() called by puts().
+// RUN: env ASAN_OPTIONS=replace_str=0:replace_intrin=0:check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
+// RUN: env ASAN_OPTIONS=replace_str=0:replace_intrin=0 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
+
+// FIXME: printf is not intercepted on Windows yet.
+// XFAIL: win32
+
+#include <stdio.h>
+int main() {
+  volatile char c = '0';
+  volatile int x = 12;
+  volatile float f = 1.239;
+  volatile char s[] = "34";
+  volatile char buf[2];
+  sprintf((char *)buf, "%c %d %.3f %s\n", c, x, f, s);
+  puts((const char *)buf);
+  return 0;
+  // Check that size of output buffer is sanitized.
+  // CHECK-ON: stack-buffer-overflow
+  // CHECK-ON-NOT: 0 12 1.239 34
+}