| 1 | // Test that tagging of freed large region is 0, which is better for RSS usage. |
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| 2 | // RUN: %clang_hwasan -mllvm -hwasan-globals=0 -mllvm -hwasan-instrument-stack=0 %s -o %t && %run %t 2>&1 |
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| 3 | |
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| 4 | #include <assert.h> |
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| 5 | #include <stdlib.h> |
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| 6 | |
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| 7 | #include <sanitizer/hwasan_interface.h> |
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| 8 | |
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| 9 | const int kSize = 10000000; |
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| 10 | |
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| 11 | void *p; |
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| 12 | int main() { |
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| 13 | for (int i = 0; i < 256; ++i) { |
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| 14 | p = malloc(size: kSize); |
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| 15 | assert(-1 == __hwasan_test_shadow(p, kSize)); |
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| 16 | |
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| 17 | free(ptr: p); |
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| 18 | assert(-1 == __hwasan_test_shadow(__hwasan_tag_pointer(p, 0), kSize)); |
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| 19 | } |
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| 20 | return 0; |
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| 21 | } |
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| 22 | |
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