1 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 %s -o %t && \
2 // RUN: %run %t >%t.out 2>&1
3 // RUN: FileCheck %s < %t.out
4 //
5 // RUN: %clang_dfsan -gmlt -mllvm -dfsan-track-origins=1 -mllvm -dfsan-instrument-with-call-threshold=0 %s -o %t && \
6 // RUN: %run %t >%t.out 2>&1
7 // RUN: FileCheck %s < %t.out
8
9 #include <sanitizer/dfsan_interface.h>
10
foo(uint64_t a,uint64_t b)11 __attribute__((noinline)) uint64_t foo(uint64_t a, uint64_t b) { return a + b; }
12
main(int argc,char * argv[])13 int main(int argc, char *argv[]) {
14 uint64_t a = 10;
15 uint64_t b = 20;
16 dfsan_set_label(8, &a, sizeof(a));
17 uint64_t c = foo(a, b);
18 dfsan_print_origin_trace(&c, NULL);
19 dfsan_print_origin_trace((int*)(&c) + 1, NULL);
20 }
21
22 // CHECK: Taint value 0x8 {{.*}} origin tracking ()
23 // CHECK: Origin value: {{.*}}, Taint value was stored to memory at
24 // CHECK: #0 {{.*}} in main {{.*}}origin_set_label.c:[[@LINE-7]]
25
26 // CHECK: Origin value: {{.*}}, Taint value was created at
27 // CHECK: #0 {{.*}} in main {{.*}}origin_set_label.c:[[@LINE-11]]
28
29 // CHECK: Taint value 0x8 {{.*}} origin tracking ()
30 // CHECK: Origin value: {{.*}}, Taint value was stored to memory at
31 // CHECK: #0 {{.*}} in main {{.*}}origin_set_label.c:[[@LINE-14]]
32
33 // CHECK: Origin value: {{.*}}, Taint value was created at
34 // CHECK: #0 {{.*}} in main {{.*}}origin_set_label.c:[[@LINE-18]]
35