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41 lines
800 B
41 lines
800 B
4 months ago
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// Verify that objects passed by value get red zones and that the copy
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// constructor is called.
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// RUN: %clangxx_asan -O0 %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s --implicit-check-not \
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// RUN: Assertion{{.*}}failed
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// ASan instrumentation can't insert red-zones around inalloca parameters.
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// XFAIL: windows-msvc && asan-32-bits
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#include <cassert>
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class A {
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public:
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A() : me(this) {}
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A(const A &other) : me(this) {
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for (int i = 0; i < 8; ++i) a[i] = other.a[i];
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}
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int a[8];
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A *me;
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};
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int bar(A *a) {
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int *volatile ptr = &a->a[0];
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return *(ptr - 1);
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}
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void foo(A a) {
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assert(a.me == &a);
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bar(&a);
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}
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int main() {
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A a;
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foo(a);
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}
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// CHECK: ERROR: AddressSanitizer: stack-buffer-overflow
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// CHECK: READ of size 4 at
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// CHECK: is located in stack of thread
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