Mercurial > hg > CbC > CbC_llvm
view compiler-rt/test/hwasan/TestCases/malloc_fill.cpp @ 150:1d019706d866
LLVM10
author | anatofuz |
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date | Thu, 13 Feb 2020 15:10:13 +0900 |
parents | |
children | 2e18cbf3894f |
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// 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-