| 1 | // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=2 %s -o %t && \ |
| 2 | // RUN: %run %t > %t.out 2>&1 |
| 3 | // RUN: FileCheck %s < %t.out |
| 4 | |
| 5 | #include <sanitizer/dfsan_interface.h> |
| 6 | |
| 7 | __attribute__((noinline)) uint64_t foo(uint64_t a, uint64_t b) { return a + b; } |
| 8 | |
| 9 | int main(int argc, char *argv[]) { |
| 10 | uint64_t a = 10; |
| 11 | uint64_t b = 20; |
| 12 | dfsan_set_label(label: 8, addr: &a, size: sizeof(a)); |
| 13 | uint64_t c = foo(a, b); |
| 14 | dfsan_print_origin_trace(addr: &c, NULL); |
| 15 | } |
| 16 | |
| 17 | // CHECK: Taint value 0x8 {{.*}} origin tracking () |
| 18 | // CHECK: Origin value: {{.*}}, Taint value was stored to memory at |
| 19 | // CHECK: #0 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-6]] |
| 20 | |
| 21 | // CHECK: Origin value: {{.*}}, Taint value was stored to memory at |
| 22 | // CHECK: #0 {{.*}} in foo.dfsan {{.*}}origin_track_ld.c:[[@LINE-15]] |
| 23 | // CHECK: #1 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-10]] |
| 24 | |
| 25 | // CHECK: Origin value: {{.*}}, Taint value was stored to memory at |
| 26 | // CHECK: #0 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-13]] |
| 27 | |
| 28 | // CHECK: Origin value: {{.*}}, Taint value was created at |
| 29 | // CHECK: #0 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-17]] |
| 30 | |