| 1 | // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 %s -o %t && \ |
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| 2 | // RUN: %run %t >%t.out 2>&1 |
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| 3 | // RUN: FileCheck %s < %t.out |
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| 4 | |
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| 5 | #include <sanitizer/dfsan_interface.h> |
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| 6 | |
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| 7 | __attribute__((noinline)) uint64_t foo(uint64_t x, uint64_t y) { return x + y; } |
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| 8 | |
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| 9 | int main(int argc, char *argv[]) { |
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| 10 | uint64_t a = 10; |
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| 11 | uint64_t b = 20; |
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| 12 | dfsan_set_label(label: 8, addr: &a, size: sizeof(a)); |
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| 13 | uint64_t c = foo(x: a, y: b); |
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| 14 | for (int i = 0; i < argc; ++i) |
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| 15 | c += foo(x: c, y: b); |
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| 16 | dfsan_print_origin_trace(addr: &c, NULL); |
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| 17 | } |
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| 18 | |
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| 19 | // CHECK: Taint value 0x8 {{.*}} origin tracking () |
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| 20 | // CHECK: Origin value: {{.*}}, Taint value was stored to memory at |
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| 21 | // CHECK: #0 {{.*}} in main {{.*}}origin_branch.c:[[@LINE-6]] |
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| 22 | |
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| 23 | // CHECK: Origin value: {{.*}}, Taint value was stored to memory at |
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| 24 | // CHECK: #0 {{.*}} in main {{.*}}origin_branch.c:[[@LINE-11]] |
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| 25 | |
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| 26 | // CHECK: Origin value: {{.*}}, Taint value was created at |
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| 27 | // CHECK: #0 {{.*}} in main {{.*}}origin_branch.c:[[@LINE-15]] |
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| 28 | |
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