diff options
Diffstat (limited to 'lib/asan/lit_tests/TestCases/use-after-free-right.cc')
| -rw-r--r-- | lib/asan/lit_tests/TestCases/use-after-free-right.cc | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/use-after-free-right.cc b/lib/asan/lit_tests/TestCases/use-after-free-right.cc new file mode 100644 index 000000000000..88d91f53d24e --- /dev/null +++ b/lib/asan/lit_tests/TestCases/use-after-free-right.cc @@ -0,0 +1,34 @@ +// RUN: %clangxx_asan -O0 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK +// RUN: %clangxx_asan -O1 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK +// RUN: %clangxx_asan -O2 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK +// RUN: %clangxx_asan -O3 %s -o %t && not %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK + +// Test use-after-free report in the case when access is at the right border of +// the allocation. + +#include <stdlib.h> +int main() { + volatile char *x = (char*)malloc(sizeof(char)); + free((void*)x); + *x = 42; + // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} + // CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}} + // CHECK: {{WRITE of size 1 at 0x.* thread T0}} + // CHECK: {{ #0 0x.* in main .*use-after-free-right.cc:13}} + // CHECK: {{0x.* is located 0 bytes inside of 1-byte region .0x.*,0x.*}} + // CHECK: {{freed by thread T0 here:}} + + // CHECK-Linux: {{ #0 0x.* in .*free}} + // CHECK-Linux: {{ #1 0x.* in main .*use-after-free-right.cc:12}} + + // CHECK-Darwin: {{ #0 0x.* in wrap_free}} + // CHECK-Darwin: {{ #1 0x.* in main .*use-after-free-right.cc:12}} + + // CHECK: {{previously allocated by thread T0 here:}} + + // CHECK-Linux: {{ #0 0x.* in .*malloc}} + // CHECK-Linux: {{ #1 0x.* in main .*use-after-free-right.cc:11}} + + // CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}} + // CHECK-Darwin: {{ #1 0x.* in main .*use-after-free-right.cc:11}} +} |