53 lines · cpp
1// RUN: %clangxx_asan -O0 %s -o %t2// RUN: not %run %t A 2>&1 | FileCheck --check-prefix=CHECK-A %s3// RUN: not %run %t B 2>&1 | FileCheck --check-prefix=CHECK-B %s4// RUN: not %run %t C 2>&1 | FileCheck --check-prefix=CHECK-C %s5// RUN: not %run %t D 2>&1 | FileCheck --check-prefix=CHECK-D %s6// RUN: not %run %t E 2>&1 | FileCheck --check-prefix=CHECK-E %s7 8// RUN: not %run %t K 2>&1 | FileCheck --check-prefix=CHECK-K %s9// RUN: not %run %t L 2>&1 | FileCheck --check-prefix=CHECK-L %s10// RUN: not %run %t M 2>&1 | FileCheck --check-prefix=CHECK-M %s11// RUN: not %run %t N 2>&1 | FileCheck --check-prefix=CHECK-N %s12// RUN: not %run %t O 2>&1 | FileCheck --check-prefix=CHECK-O %s13 14#include <sanitizer/asan_interface.h>15 16#include <stdlib.h>17#include <string.h>18int main(int argc, char **argv) {19 if (argc != 2) return 1;20 char *x = new char[16];21 memset(x, 0xab, 16);22 int res = 1;23 switch (argv[1][0]) {24 case 'A': res = __sanitizer_unaligned_load16(x + 15); break;25// CHECK-A ERROR: AddressSanitizer: heap-buffer-overflow on address26// CHECK-A: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-2]]27// CHECK-A: is located 0 bytes after 16-byte region28 case 'B': res = __sanitizer_unaligned_load32(x + 14); break;29// CHECK-B: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-1]]30 case 'C': res = __sanitizer_unaligned_load32(x + 13); break;31// CHECK-C: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-1]]32 case 'D': res = __sanitizer_unaligned_load64(x + 15); break;33// CHECK-D: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-1]]34 case 'E': res = __sanitizer_unaligned_load64(x + 9); break;35// CHECK-E: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-1]]36 37 case 'K': __sanitizer_unaligned_store16(x + 15, 0); break;38// CHECK-K ERROR: AddressSanitizer: heap-buffer-overflow on address39// CHECK-K: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-2]]40// CHECK-K: is located 0 bytes after 16-byte region41 case 'L': __sanitizer_unaligned_store32(x + 15, 0); break;42// CHECK-L: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-1]]43 case 'M': __sanitizer_unaligned_store32(x + 13, 0); break;44// CHECK-M: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-1]]45 case 'N': __sanitizer_unaligned_store64(x + 10, 0); break;46// CHECK-N: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-1]]47 case 'O': __sanitizer_unaligned_store64(x + 14, 0); break;48// CHECK-O: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-1]]49 }50 delete[] x;51 return res;52}53