| 1 | // Tests dfsan_flush(). |
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| 2 | // RUN: %clang_dfsan %s -o %t && %run %t |
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| 3 | // RUN: %clang_dfsan -DORIGIN_TRACKING -mllvm -dfsan-track-origins=1 %s -o %t && %run %t |
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| 4 | |
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| 5 | #include <sanitizer/dfsan_interface.h> |
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| 6 | #include <assert.h> |
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| 7 | #include <stdlib.h> |
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| 8 | |
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| 9 | int global; |
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| 10 | |
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| 11 | int main() { |
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| 12 | int local; |
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| 13 | int *heap = (int*)malloc(size: sizeof(int)); |
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| 14 | |
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| 15 | dfsan_set_label(label: 10, addr: &global, size: sizeof(global)); |
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| 16 | dfsan_set_label(label: 20, addr: &local, size: sizeof(local)); |
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| 17 | dfsan_set_label(label: 30, addr: heap, size: sizeof(*heap)); |
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| 18 | |
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| 19 | assert(dfsan_get_label(global) == 10); |
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| 20 | assert(dfsan_get_label(local) == 20); |
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| 21 | assert(dfsan_get_label(*heap) == 30); |
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| 22 | #ifdef ORIGIN_TRACKING |
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| 23 | assert(dfsan_get_origin(global)); |
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| 24 | assert(dfsan_get_origin(local)); |
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| 25 | assert(dfsan_get_origin(*heap)); |
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| 26 | #endif |
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| 27 | |
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| 28 | dfsan_flush(); |
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| 29 | |
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| 30 | assert(dfsan_get_label(global) == 0); |
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| 31 | assert(dfsan_get_label(local) == 0); |
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| 32 | assert(dfsan_get_label(*heap) == 0); |
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| 33 | assert(dfsan_get_origin(global) == 0); |
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| 34 | assert(dfsan_get_origin(local) == 0); |
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| 35 | assert(dfsan_get_origin(*heap) == 0); |
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| 36 | |
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| 37 | free(ptr: heap); |
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| 38 | } |
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| 39 | |
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