| 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 | // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 -mllvm -dfsan-instrument-with-call-threshold=0 %s -o %t && \ |
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| 6 | // RUN: %run %t >%t.out 2>&1 |
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| 7 | // RUN: FileCheck %s < %t.out |
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| 8 | |
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| 9 | #include <sanitizer/dfsan_interface.h> |
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| 10 | |
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| 11 | __attribute__((noinline)) uint64_t foo(uint64_t a, uint64_t b) { return a + b; } |
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| 12 | |
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| 13 | int main(int argc, char *argv[]) { |
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| 14 | uint64_t a = 10; |
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| 15 | uint64_t b = 20; |
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| 16 | dfsan_add_label(label: 4, addr: &a, size: sizeof(a)); |
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| 17 | dfsan_add_label(label: 8, addr: &a, size: sizeof(a)); |
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| 18 | uint64_t c = foo(a, b); |
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| 19 | dfsan_print_origin_trace(addr: &c, NULL); |
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| 20 | dfsan_print_origin_trace(addr: (int*)&c + 1, NULL); |
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| 21 | } |
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| 22 | |
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| 23 | // CHECK: Taint value 0xc {{.*}} origin tracking () |
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| 24 | // CHECK: Origin value: {{.*}}, Taint value was stored to memory at |
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| 25 | // CHECK: #0 {{.*}} in main {{.*}}origin_add_label.c:[[@LINE-7]] |
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| 26 | |
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| 27 | // CHECK: Origin value: {{.*}}, Taint value was created at |
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| 28 | // CHECK: #0 {{.*}} in main {{.*}}origin_add_label.c:[[@LINE-11]] |
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| 29 | |
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| 30 | // CHECK: Taint value 0xc {{.*}} origin tracking () |
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| 31 | // CHECK: Origin value: {{.*}}, Taint value was stored to memory at |
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| 32 | // CHECK: #0 {{.*}} in main {{.*}}origin_add_label.c:[[@LINE-14]] |
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| 33 | |
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| 34 | // CHECK: Origin value: {{.*}}, Taint value was created at |
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| 35 | // CHECK: #0 {{.*}} in main {{.*}}origin_add_label.c:[[@LINE-18]] |
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| 36 | |
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