// RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=2 %s -o %t && \ // RUN: %run %t > %t.out 2>&1 // RUN: FileCheck %s < %t.out #include __attribute__((noinline)) uint64_t foo(uint64_t a, uint64_t b) { return a + b; } int main(int argc, char *argv[]) { uint64_t a = 10; uint64_t b = 20; dfsan_set_label(8, &a, sizeof(a)); uint64_t c = foo(a, b); dfsan_print_origin_trace(&c, NULL); } // CHECK: Taint value 0x8 {{.*}} origin tracking () // CHECK: Origin value: {{.*}}, Taint value was stored to memory at // CHECK: #0 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-6]] // CHECK: Origin value: {{.*}}, Taint value was stored to memory at // CHECK: #0 {{.*}} in foo.dfsan {{.*}}origin_track_ld.c:[[@LINE-15]] // CHECK: #1 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-10]] // CHECK: Origin value: {{.*}}, Taint value was stored to memory at // CHECK: #0 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-13]] // CHECK: Origin value: {{.*}}, Taint value was created at // CHECK: #0 {{.*}} in main {{.*}}origin_track_ld.c:[[@LINE-17]]