| // Check that we fill malloc-ed memory correctly. |
| // RUN: %clangxx_hwasan %s -o %t |
| // RUN: %run %t | FileCheck %s |
| // RUN: %env_hwasan_opts=max_malloc_fill_size=10:malloc_fill_byte=8 %run %t | FileCheck %s --check-prefix=CHECK-10-8 |
| // RUN: %env_hwasan_opts=max_malloc_fill_size=20:malloc_fill_byte=171 %run %t | FileCheck %s --check-prefix=CHECK-20-ab |
| |
| #include <stdio.h> |
| |
| #include "utils.h" |
| |
| int main(int argc, char **argv) { |
| // With asan allocator this makes sure we get memory from mmap. |
| static const int kSize = 1 << 25; |
| unsigned char *x = new unsigned char[kSize]; |
| untag_printf("-"); |
| for (int i = 0; i <= 32; i++) { |
| untag_printf("%02x", x[i]); |
| } |
| untag_printf("-\n"); |
| delete [] x; |
| } |
| |
| // CHECK: -bebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebe- |
| // CHECK-10-8: -080808080808080808080000000000000000000000000000000000000000000000- |
| // CHECK-20-ab: -abababababababababababababababababababab00000000000000000000000000- |
