diff options
Diffstat (limited to 'lib/asan/lit_tests/TestCases/Linux/interception_malloc_test.cc')
-rw-r--r-- | lib/asan/lit_tests/TestCases/Linux/interception_malloc_test.cc | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/Linux/interception_malloc_test.cc b/lib/asan/lit_tests/TestCases/Linux/interception_malloc_test.cc new file mode 100644 index 000000000000..cdd7239ab7bc --- /dev/null +++ b/lib/asan/lit_tests/TestCases/Linux/interception_malloc_test.cc @@ -0,0 +1,23 @@ +// ASan interceptor can be accessed with __interceptor_ prefix. + +// RUN: %clangxx_asan -O0 %s -o %t && not %t 2>&1 | FileCheck %s +// RUN: %clangxx_asan -O1 %s -o %t && not %t 2>&1 | FileCheck %s +// RUN: %clangxx_asan -O2 %s -o %t && not %t 2>&1 | FileCheck %s +// RUN: %clangxx_asan -O3 %s -o %t && not %t 2>&1 | FileCheck %s +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> + +extern "C" void *__interceptor_malloc(size_t size); +extern "C" void *malloc(size_t size) { + write(2, "malloc call\n", sizeof("malloc call\n") - 1); + return __interceptor_malloc(size); +} + +int main() { + char *x = (char*)malloc(10 * sizeof(char)); + free(x); + return (int)strtol(x, 0, 10); + // CHECK: malloc call + // CHECK: heap-use-after-free +} |