nullptr-and-nonzero-offset-summary.cpp
1.42 KB
// 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;
}