You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.2 KiB
44 lines
1.2 KiB
// Test -fsanitize-memory-use-after-dtor
|
|
// RUN: %clang_cc1 -fsanitize=memory -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
|
|
|
|
// The no_sanitize_memory attribute, when applied to a destructor,
|
|
// represses emission of sanitizing callback
|
|
|
|
template <class T> class Vector {
|
|
public:
|
|
int size;
|
|
~Vector() {}
|
|
};
|
|
|
|
struct No_San {
|
|
Vector<int> v;
|
|
int x;
|
|
No_San() { }
|
|
__attribute__((no_sanitize_memory)) ~No_San() = default;
|
|
};
|
|
|
|
int main() {
|
|
No_San *ns = new No_San();
|
|
ns->~No_San();
|
|
return 0;
|
|
}
|
|
|
|
// Repressing the sanitization attribute results in no msan
|
|
// instrumentation of the destructor
|
|
// CHECK: define {{.*}}No_SanD1Ev{{.*}} [[ATTRIBUTE:#[0-9]+]]
|
|
// CHECK-NOT: call void {{.*}}sanitizer_dtor_callback
|
|
// CHECK: ret void
|
|
|
|
// CHECK: define {{.*}}No_SanD2Ev{{.*}} [[ATTRIBUTE:#[0-9]+]]
|
|
// CHECK-NOT: call void {{.*}}sanitizer_dtor_callback
|
|
// CHECK: call void {{.*}}VectorIiED2Ev
|
|
// CHECK-NOT: call void {{.*}}sanitizer_dtor_callback
|
|
// CHECK: ret void
|
|
|
|
// CHECK: define {{.*}}VectorIiED2Ev
|
|
// CHECK: call void {{.*}}sanitizer_dtor_callback
|
|
// CHECK: ret void
|
|
|
|
// When attribute is repressed, the destructor does not emit any tail calls
|
|
// CHECK-NOT: attributes [[ATTRIBUTE]] = {{.*}} sanitize_memory
|