| // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 %s -o %t && \ |
| // RUN: %run %t >%t.out 2>&1 |
| // RUN: FileCheck %s < %t.out |
| // |
| // REQUIRES: x86_64-target-arch |
| |
| #include <sanitizer/dfsan_interface.h> |
| |
| __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]] |
