diff options
Diffstat (limited to 'test/asan/TestCases/global-underflow.cc')
| -rw-r--r-- | test/asan/TestCases/global-underflow.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/asan/TestCases/global-underflow.cc b/test/asan/TestCases/global-underflow.cc new file mode 100644 index 000000000000..4a03513567cd --- /dev/null +++ b/test/asan/TestCases/global-underflow.cc @@ -0,0 +1,17 @@ +// RUN: %clangxx_asan -O0 %s %p/Helpers/underflow.cc -o %t && not %run %t 2>&1 | FileCheck %s +// RUN: %clangxx_asan -O1 %s %p/Helpers/underflow.cc -o %t && not %run %t 2>&1 | FileCheck %s +// RUN: %clangxx_asan -O2 %s %p/Helpers/underflow.cc -o %t && not %run %t 2>&1 | FileCheck %s +// RUN: %clangxx_asan -O3 %s %p/Helpers/underflow.cc -o %t && not %run %t 2>&1 | FileCheck %s + +int XXX[2] = {2, 3}; +extern int YYY[]; +#include <string.h> +int main(int argc, char **argv) { + memset(XXX, 0, 2*sizeof(int)); + // CHECK: {{READ of size 4 at 0x.* thread T0}} + // CHECK: {{ #0 0x.* in main .*global-underflow.cc:}}[[@LINE+3]] + // CHECK: {{0x.* is located 4 bytes to the left of global variable}} + // CHECK: {{.*YYY.* of size 12}} + int res = YYY[-1]; + return res; +} |