1 files changed, 22 insertions, 0 deletions
diff --git a/test/hwasan/TestCases/Posix/posix_memalign-alignment.cc b/test/hwasan/TestCases/Posix/posix_memalign-alignment.cc
new file mode 100644
index 000000000000..1ecc39c42f23
--- /dev/null
+++ b/test/hwasan/TestCases/Posix/posix_memalign-alignment.cc
@@ -0,0 +1,22 @@
+// RUN: %clangxx_hwasan -O0 %s -o %t
+// RUN: %env_hwasan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s
+// RUN: %env_hwasan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
+
+// REQUIRES: stable-runtime
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+  void *p = reinterpret_cast<void*>(42);
+  int res = posix_memalign(&p, 17, 100);
+  // CHECK: ERROR: HWAddressSanitizer: invalid alignment requested in posix_memalign: 17
+  // CHECK: {{#0 0x.* in .*posix_memalign}}
+  // CHECK: {{#1 0x.* in main .*posix_memalign-alignment.cc:}}[[@LINE-3]]
+  // CHECK: SUMMARY: HWAddressSanitizer: invalid-posix-memalign-alignment
+
+  printf("pointer after failed posix_memalign: %zd\n", (size_t)p);
+  // CHECK-NULL: pointer after failed posix_memalign: 42
+
+  return 0;
+}