forked from OSchip/llvm-project
28 lines
712 B
C
28 lines
712 B
C
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// Checks how we print the developer note "hwasan_dev_note_heap_rb_distance".
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// RUN: %clang_hwasan %s -o %t
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// RUN: not %run %t 10 2>&1 | FileCheck %s --check-prefix=D10
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// RUN: not %run %t 42 2>&1 | FileCheck %s --check-prefix=D42
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// REQUIRES: stable-runtime
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#include <stdlib.h>
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#include <stdio.h>
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#include <sanitizer/hwasan_interface.h>
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void *p[100];
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int main(int argc, char **argv) {
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__hwasan_enable_allocator_tagging();
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int distance = argc >= 2 ? atoi(argv[1]) : 1;
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for (int i = 0; i < 100; i++)
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p[i] = malloc(i);
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for (int i = 0; i < 100; i++)
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free(p[i]);
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*(int*)p[distance] = 0;
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}
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// D10: hwasan_dev_note_heap_rb_distance: 90 1023
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// D42: hwasan_dev_note_heap_rb_distance: 58 1023
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