// RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 %s -o %t && \ // RUN: %run %t >%t.out 2>&1 // RUN: FileCheck %s < %t.out #include __attribute__((noinline)) uint64_t foo(uint64_t x, uint64_t y) { return x + y; } 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); for (int i = 0; i < argc; ++i) c += foo(c, 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_branch.c:[[@LINE-6]] // CHECK: Origin value: {{.*}}, Taint value was stored to memory at // CHECK: #0 {{.*}} in main {{.*}}origin_branch.c:[[@LINE-11]] // CHECK: Origin value: {{.*}}, Taint value was created at // CHECK: #0 {{.*}} in main {{.*}}origin_branch.c:[[@LINE-15]]