diff options
Diffstat (limited to 'test/Feature/ubsan/ubsan_nullability_assign.c')
-rw-r--r-- | test/Feature/ubsan/ubsan_nullability_assign.c | 25 |
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; +} |