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150
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1 // Check that we fill malloc-ed memory correctly.
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2 // RUN: %clangxx_hwasan %s -o %t
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3 // RUN: %run %t | FileCheck %s
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4 // RUN: %env_hwasan_opts=max_malloc_fill_size=10:malloc_fill_byte=8 %run %t | FileCheck %s --check-prefix=CHECK-10-8
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5 // RUN: %env_hwasan_opts=max_malloc_fill_size=20:malloc_fill_byte=171 %run %t | FileCheck %s --check-prefix=CHECK-20-ab
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6
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7 #include <stdio.h>
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8
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9 #include "utils.h"
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10
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11 int main(int argc, char **argv) {
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12 // With asan allocator this makes sure we get memory from mmap.
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13 static const int kSize = 1 << 25;
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14 unsigned char *x = new unsigned char[kSize];
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15 untag_printf("-");
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16 for (int i = 0; i <= 32; i++) {
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17 untag_printf("%02x", x[i]);
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18 }
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19 untag_printf("-\n");
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20 delete [] x;
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21 }
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22
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23 // CHECK: -bebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebebe-
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24 // CHECK-10-8: -080808080808080808080000000000000000000000000000000000000000000000-
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25 // CHECK-20-ab: -abababababababababababababababababababab00000000000000000000000000-
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