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27 lines
840 B
27 lines
840 B
4 months ago
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// Test max_redzone runtime option.
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// RUN: %clangxx_asan -O0 %s -o %t && %env_asan_opts=max_redzone=32 %run %t 0 2>&1
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// RUN: %clangxx_asan -O0 %s -o %t && %run %t 1 2>&1
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// RUN: %clangxx_asan -O3 %s -o %t && %env_asan_opts=max_redzone=32 %run %t 0 2>&1
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// RUN: %clangxx_asan -O3 %s -o %t && %run %t 1 2>&1
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <sanitizer/allocator_interface.h>
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int main(int argc, char **argv) {
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if (argc < 2)
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return 1;
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bool large_redzone = atoi(argv[1]);
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size_t before = __sanitizer_get_heap_size();
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void *pp[10000];
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for (int i = 0; i < 10000; ++i)
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pp[i] = malloc(4096 - 64);
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size_t after = __sanitizer_get_heap_size();
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for (int i = 0; i < 10000; ++i)
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free(pp[i]);
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size_t diff = after - before;
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return !(large_redzone ? diff > 46000000 : diff < 46000000);
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}
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