derek.holloway
7502bf64a4
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57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
// RUN: %clangxx_cfi -o %t1 %s
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// RUN: %expect_crash %run %t1 2>&1 | FileCheck --check-prefix=CFI %s
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// RUN: %clangxx_cfi -DB32 -o %t2 %s
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// RUN: %expect_crash %run %t2 2>&1 | FileCheck --check-prefix=CFI %s
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// RUN: %clangxx_cfi -DB64 -o %t3 %s
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// RUN: %expect_crash %run %t3 2>&1 | FileCheck --check-prefix=CFI %s
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// RUN: %clangxx_cfi -DBM -o %t4 %s
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// RUN: %expect_crash %run %t4 2>&1 | FileCheck --check-prefix=CFI %s
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// RUN: %clangxx -o %t5 %s
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// RUN: %run %t5 2>&1 | FileCheck --check-prefix=NCFI %s
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// RUN: %clangxx_cfi_diag -o %t6 %s
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// RUN: %run %t6 2>&1 | FileCheck --check-prefix=CFI-DIAG %s
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// Tests that the CFI enforcement also applies to virtual destructor calls made
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// via 'delete'.
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// REQUIRES: cxxabi
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#include <stdio.h>
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#include "utils.h"
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struct A {
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virtual ~A();
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};
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A::~A() {}
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struct B {
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virtual ~B();
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};
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B::~B() {}
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int main() {
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create_derivers<B>();
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A *a = new A;
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break_optimization(a);
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// CFI: 1
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// NCFI: 1
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fprintf(stderr, "1\n");
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// CFI-DIAG: runtime error: control flow integrity check for type 'B' failed during virtual call
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// CFI-DIAG-NEXT: note: vtable is of type '{{(struct )?}}A'
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delete (B *)a; // UB here
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// CFI-NOT: {{^2$}}
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// NCFI: {{^2$}}
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fprintf(stderr, "2\n");
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}
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