diff options
Diffstat (limited to 'compiler-rt/test/asan/TestCases/global-location.cpp')
| -rw-r--r-- | compiler-rt/test/asan/TestCases/global-location.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/compiler-rt/test/asan/TestCases/global-location.cpp b/compiler-rt/test/asan/TestCases/global-location.cpp new file mode 100644 index 00000000000..42711f97c21 --- /dev/null +++ b/compiler-rt/test/asan/TestCases/global-location.cpp @@ -0,0 +1,38 @@ +// RUN: %clangxx_asan -O2 %s -o %t +// RUN: not %run %t g 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=GLOB +// RUN: not %run %t c 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CLASS_STATIC +// RUN: not %run %t f 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=FUNC_STATIC +// RUN: not %run %t l 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=LITERAL + +// CHECK: AddressSanitizer: global-buffer-overflow + +#include <string.h> + +struct C { + static int array[10]; +}; + +int global[10]; +// GLOB: 0x{{.*}} is located 4 bytes to the right of global variable 'global' defined in '{{.*}}global-location.cpp:[[@LINE-1]]:5' {{.*}} of size 40 +int C::array[10]; +// CLASS_STATIC: 0x{{.*}} is located 4 bytes to the right of global variable 'C::array' defined in '{{.*}}global-location.cpp:[[@LINE-1]]:8' {{.*}} of size 40 + +int main(int argc, char **argv) { + int one = argc - 1; + switch (argv[1][0]) { + case 'g': return global[one * 11]; + case 'c': return C::array[one * 11]; + case 'f': + static int array[10]; + // FUNC_STATIC: 0x{{.*}} is located 4 bytes to the right of global variable 'array' defined in '{{.*}}global-location.cpp:[[@LINE-1]]:16' {{.*}} of size 40 + memset(array, 0, 10); + return array[one * 11]; + case 'l': + const char *str = "0123456789"; + // LITERAL: 0x{{.*}} is located 0 bytes to the right of global variable {{.*}} defined in '{{.*}}global-location.cpp:[[@LINE-1]]:23' {{.*}} of size 11 + return str[one * 11]; + } + return 0; +} + +// CHECK: SUMMARY: AddressSanitizer: global-buffer-overflow |
