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