| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Deliberately overwrite the stack canary. |
| __attribute__((noinline)) void modify_stack_protector_test() { |
| char buf[128]; |
| // We can't use memset here because it's fortified, and we want to test |
| // the line of defense *after* that. |
| char* p = buf; |
| while ((p - buf) < static_cast<int>(sizeof(buf) + sizeof(void*))) *p++ = '\0'; |
| } |