1 files changed, 32 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/readv.cc b/lib/asan/lit_tests/TestCases/readv.cc
new file mode 100644
index 000000000000..ba17505f37ac
--- /dev/null
+++ b/lib/asan/lit_tests/TestCases/readv.cc
@@ -0,0 +1,32 @@
+// RUN: %clangxx_asan -O0 %s -o %t && %t
+// RUN: %clangxx_asan -O0 %s -DPOSITIVE -o %t && not %t 2>&1 | FileCheck %s
+
+// Test the readv() interceptor.
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/uio.h>
+#include <time.h>
+
+int main() {
+  char buf[2011];
+  struct iovec iov[2];
+#ifdef POSITIVE
+  char * volatile buf_ = buf;
+  iov[0].iov_base = buf_ - 1;
+#else
+  iov[0].iov_base = buf + 1;
+#endif
+  iov[0].iov_len = 5;
+  iov[1].iov_base = buf + 10;
+  iov[1].iov_len = 2000;
+  int fd = open("/etc/hosts", O_RDONLY);
+  assert(fd > 0);
+  readv(fd, iov, 2);
+  // CHECK: WRITE of size 5 at
+  close(fd);
+  return 0;
+}