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("-"); 13 for (int i = 0; i <= 32; i++) { 14 printf("%02x", x[i]); 15 } 16 printf("-\n"); 17 delete [] x; 18 } 19 20 // CHECK: -bebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebe- 21 // CHECK-10-8: -080808080808080808080000000000000000000000000000000000000000000000- 22 // CHECK-20-ab: -abababababababababababababababababababab00000000000000000000000000- 23
