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Diffstat (limited to 'test/asan/TestCases/malloc_fill.cc')
| -rw-r--r-- | test/asan/TestCases/malloc_fill.cc | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/asan/TestCases/malloc_fill.cc b/test/asan/TestCases/malloc_fill.cc new file mode 100644 index 0000000000000..5c926803708d1 --- /dev/null +++ b/test/asan/TestCases/malloc_fill.cc @@ -0,0 +1,22 @@ +// Check that we fill malloc-ed memory correctly. +// RUN: %clangxx_asan %s -o %t +// RUN: %run %t | FileCheck %s +// RUN: env ASAN_OPTIONS=max_malloc_fill_size=10:malloc_fill_byte=8 %run %t | FileCheck %s --check-prefix=CHECK-10-8 +// RUN: env ASAN_OPTIONS=max_malloc_fill_size=20:malloc_fill_byte=171 %run %t | FileCheck %s --check-prefix=CHECK-20-ab + +#include <stdio.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]; + printf("-"); + for (int i = 0; i <= 32; i++) { + printf("%02x", x[i]); + } + printf("-\n"); + delete [] x; +} + +// CHECK: -bebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebe- +// CHECK-10-8: -080808080808080808080000000000000000000000000000000000000000000000- +// CHECK-20-ab: -abababababababababababababababababababab00000000000000000000000000- |