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-rw-r--r--test/Feature/ubsan/ubsan_nullability_assign.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/test/Feature/ubsan/ubsan_nullability_assign.c b/test/Feature/ubsan/ubsan_nullability_assign.c
new file mode 100644
index 00000000..a2a9c5e4
--- /dev/null
+++ b/test/Feature/ubsan/ubsan_nullability_assign.c
@@ -0,0 +1,25 @@
+// REQUIRES: geq-llvm-5.0
+
+// RUN: %clang %s -fsanitize=nullability-assign -emit-llvm -g %O0opt -c -o %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --emit-all-errors --ubsan-runtime %t.bc 2>&1 | FileCheck %s
+
+#include "klee/klee.h"
+
+void nonnull_assign(int *p) {
+  volatile int *_Nonnull local;
+  // CHECK: runtime/Sanitizer/ubsan/ubsan_handlers.cpp:35: null-pointer-use
+  local = p;
+}
+
+int main() {
+  _Bool null;
+
+  klee_make_symbolic(&null, sizeof(null), "null");
+
+  int local = 0;
+  int *arg = null ? 0x0 : &local;
+
+  nonnull_assign(arg);
+  return 0;
+}