compiler-rt/test/asan/TestCases/unaligned_loads_and_stores.cpp

   1 // RUN: %clangxx_asan -O0 %s -o %t
   2 // RUN: not %run %t A 2>&1 | FileCheck --check-prefix=CHECK-A %s
   3 // RUN: not %run %t B 2>&1 | FileCheck --check-prefix=CHECK-B %s
   4 // RUN: not %run %t C 2>&1 | FileCheck --check-prefix=CHECK-C %s
   5 // RUN: not %run %t D 2>&1 | FileCheck --check-prefix=CHECK-D %s
   6 // RUN: not %run %t E 2>&1 | FileCheck --check-prefix=CHECK-E %s
   7
   8 // RUN: not %run %t K 2>&1 | FileCheck --check-prefix=CHECK-K %s
   9 // RUN: not %run %t L 2>&1 | FileCheck --check-prefix=CHECK-L %s
  10 // RUN: not %run %t M 2>&1 | FileCheck --check-prefix=CHECK-M %s
  11 // RUN: not %run %t N 2>&1 | FileCheck --check-prefix=CHECK-N %s
  12 // RUN: not %run %t O 2>&1 | FileCheck --check-prefix=CHECK-O %s
  13
  14 #include <sanitizer/asan_interface.h>
  15
  16 #include <stdlib.h>
  17 #include <string.h>
  18 int 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 address
  26 //  CHECK-A: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-2]]
  27 //  CHECK-A: is located 0 bytes after 16-byte region
  28     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 address
  39 //  CHECK-K: main{{.*}}unaligned_loads_and_stores.cpp:[[@LINE-2]]
  40 //  CHECK-K: is located 0 bytes after 16-byte region
  41     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 }