1 files changed, 13 insertions, 1 deletions
diff --git a/compiler-rt/test/msan/Linux/syscalls.cc b/compiler-rt/test/msan/Linux/syscalls.cc
index 78dba36638a..c5ac3e27fa1 100644
--- a/compiler-rt/test/msan/Linux/syscalls.cc
+++ b/compiler-rt/test/msan/Linux/syscalls.cc
@@ -19,7 +19,7 @@
    sanity of their behaviour. */
 
 int main(int argc, char *argv[]) {
-  char buf[1000];
+  char buf[1000] __attribute__((aligned(8)));
   const int kTen = 10;
   const int kFortyTwo = 42;
   memset(buf, 0, sizeof(buf));
@@ -111,5 +111,17 @@ int main(int argc, char *argv[]) {
   assert(__msan_test_shadow(&p, sizeof(p)) == -1);
   assert(__msan_test_shadow(buf, sizeof(buf)) >= 32);
 
+  __msan_poison(buf, sizeof(buf));
+  __sanitizer_syscall_post_pipe(0, (int *)buf);
+  assert(__msan_test_shadow(buf, sizeof(buf)) == 2 * sizeof(int));
+
+  __msan_poison(buf, sizeof(buf));
+  __sanitizer_syscall_post_pipe2(0, (int *)buf, 0);
+  assert(__msan_test_shadow(buf, sizeof(buf)) == 2 * sizeof(int));
+
+  __msan_poison(buf, sizeof(buf));
+  __sanitizer_syscall_post_socketpair(0, 0, 0, 0, (int *)buf);
+  assert(__msan_test_shadow(buf, sizeof(buf)) == 2 * sizeof(int));
+
   return 0;
 }