| // 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> |
| |
| int main(int argc, char *argv[]) { |
| char volatile z1; |
| char volatile z2; |
| dfsan_set_label(8, (void *)&z1, sizeof(z1)); |
| dfsan_set_label(16, (void *)&z2, sizeof(z2)); // overwritting the old origin. |
| char c = z1; |
| dfsan_print_origin_trace(&c, "bar"); |
| return 0; |
| } |
| |
| // CHECK: Taint value 0x8 {{.*}} origin tracking (bar) |
| // CHECK: Origin value: {{.*}}, Taint value was stored to memory at |
| // CHECK: #0 {{.*}} in main {{.*}}origin_overlapped.c:[[@LINE-7]] |
| |
| // CHECK: Origin value: {{.*}}, Taint value was created at |
| |
| // CHECK: #0 {{.*}} in main {{.*}}origin_overlapped.c:[[@LINE-12]] |
