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// 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 <sanitizer/dfsan_interface.h>
__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]]
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