forked from OSchip/llvm-project
45 lines
971 B
C++
45 lines
971 B
C++
// RUN: %clangxx -g -DSHARED_LIB %s -fPIC -shared -o %T/target_uninstrumented-so.so
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// RUN: %clangxx_cfi_diag -g %s -o %t %T/target_uninstrumented-so.so
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// RUN: %t 2>&1 | FileCheck %s
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// REQUIRES: cxxabi
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#include <stdio.h>
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#include <string.h>
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struct A {
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virtual void f();
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};
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void *create_B();
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#ifdef SHARED_LIB
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struct B {
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virtual void f();
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};
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void B::f() {}
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void *create_B() {
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return (void *)(new B());
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}
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#else
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void A::f() {}
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int main(int argc, char *argv[]) {
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void *p = create_B();
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// CHECK: runtime error: control flow integrity check for type 'A' failed during cast to unrelated type
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// CHECK: invalid vtable in module {{.*}}target_uninstrumented-so.so
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A *a = (A *)p;
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memset(p, 0, sizeof(A));
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// CHECK: runtime error: control flow integrity check for type 'A' failed during cast to unrelated type
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// CHECK-NOT: invalid vtable in module
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// CHECK: invalid vtable
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a = (A *)p;
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// CHECK: done
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fprintf(stderr, "done %p\n", a);
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}
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#endif
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