| // RUN: %clang -x c -fsanitize=pointer-overflow %s -o %t |
| // RUN: %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-NOTYPE,CHECK-NOTYPE-C |
| // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-TYPE,CHECK-TYPE-C |
| |
| // RUN: %clangxx -fsanitize=pointer-overflow %s -o %t |
| // RUN: %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-NOTYPE,CHECK-NOTYPE-CPP |
| // RUN: %env_ubsan_opts=report_error_type=1 %run %t 2>&1 | FileCheck %s --check-prefixes=CHECK-TYPE,CHECK-TYPE-CPP |
| |
| // REQUIRES: !ubsan-standalone && !ubsan-standalone-static |
| |
| #include <stdlib.h> |
| |
| int main(int argc, char *argv[]) { |
| char *base, *result; |
| |
| base = (char *)0; |
| result = base + 0; |
| // CHECK-NOTYPE-C: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:17 |
| // CHECK-TYPE-C: SUMMARY: UndefinedBehaviorSanitizer: nullptr-with-offset {{.*}}summary.cpp:[[@LINE-2]]:17 |
| |
| base = (char *)0; |
| result = base + 1; |
| // CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:17 |
| // CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: nullptr-with-nonzero-offset {{.*}}summary.cpp:[[@LINE-2]]:17 |
| |
| base = (char *)1; |
| result = base - 1; |
| // CHECK-NOTYPE: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior {{.*}}summary.cpp:[[@LINE-1]]:17 |
| // CHECK-TYPE: SUMMARY: UndefinedBehaviorSanitizer: nullptr-after-nonzero-offset {{.*}}summary.cpp:[[@LINE-2]]:17 |
| |
| return 0; |
| } |