1f9e0df07SNico Weber // Check that we fill malloc-ed memory correctly.
2f9e0df07SNico Weber // RUN: %clangxx_hwasan %s -o %t
3d1a6e4d2SEvgenii Stepanov // RUN: %run %t | FileCheck %s --check-prefix=CHECK-0
4d1a6e4d2SEvgenii Stepanov // RUN: %env_hwasan_opts=max_malloc_fill_size=20 %run %t | FileCheck %s --check-prefix=CHECK-20-be
5d1a6e4d2SEvgenii Stepanov // RUN: %env_hwasan_opts=max_malloc_fill_size=0:malloc_fill_byte=8 %run %t | FileCheck %s --check-prefix=CHECK-0
6f9e0df07SNico Weber // RUN: %env_hwasan_opts=max_malloc_fill_size=10:malloc_fill_byte=8 %run %t | FileCheck %s --check-prefix=CHECK-10-8
7f9e0df07SNico Weber // RUN: %env_hwasan_opts=max_malloc_fill_size=20:malloc_fill_byte=171 %run %t | FileCheck %s --check-prefix=CHECK-20-ab
8f9e0df07SNico Weber
9f9e0df07SNico Weber #include <stdio.h>
10e757cadbSPeter Collingbourne
main(int argc,char ** argv)11f9e0df07SNico Weber int main(int argc, char **argv) {
12f9e0df07SNico Weber // With asan allocator this makes sure we get memory from mmap.
13f9e0df07SNico Weber static const int kSize = 1 << 25;
14f9e0df07SNico Weber unsigned char *x = new unsigned char[kSize];
15*96a4167bSMatt Morehouse printf("-");
16f9e0df07SNico Weber for (int i = 0; i <= 32; i++) {
17*96a4167bSMatt Morehouse printf("%02x", x[i]);
18f9e0df07SNico Weber }
19*96a4167bSMatt Morehouse printf("-\n");
20f9e0df07SNico Weber delete [] x;
21f9e0df07SNico Weber }
22f9e0df07SNico Weber
23d1a6e4d2SEvgenii Stepanov // CHECK-0: -000000000000000000000000000000000000000000000000000000000000000000-
24d1a6e4d2SEvgenii Stepanov // CHECK-20-be: -bebebebebebebebebebebebebebebebebebebebe00000000000000000000000000-
25f9e0df07SNico Weber // CHECK-10-8: -080808080808080808080000000000000000000000000000000000000000000000-
26f9e0df07SNico Weber // CHECK-20-ab: -abababababababababababababababababababab00000000000000000000000000-
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