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