parent
2341ae3856
commit
bb68f2cd65
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@ -22,22 +22,30 @@ char *LeakStack() {
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return pretend_to_do_something(x);
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}
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template<size_t kFrameSize>
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__attribute__((noinline))
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void RecuriveFunctionWithStackFrame(int depth) {
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if (depth <= 0) return;
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char x[1024];
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char x[kFrameSize];
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x[0] = depth;
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pretend_to_do_something(x);
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RecuriveFunctionWithStackFrame(depth - 1);
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RecuriveFunctionWithStackFrame<kFrameSize>(depth - 1);
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}
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int main(int argc, char **argv) {
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int n_iter = argc >= 2 ? atoi(argv[1]) : 1000;
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int depth = argc >= 3 ? atoi(argv[2]) : 500;
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for (int i = 0; i < n_iter; i++)
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RecuriveFunctionWithStackFrame(depth);
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for (int i = 0; i < n_iter; i++) {
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RecuriveFunctionWithStackFrame<10>(depth);
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RecuriveFunctionWithStackFrame<100>(depth);
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RecuriveFunctionWithStackFrame<500>(depth);
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RecuriveFunctionWithStackFrame<1024>(depth);
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RecuriveFunctionWithStackFrame<2000>(depth);
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RecuriveFunctionWithStackFrame<5000>(depth);
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RecuriveFunctionWithStackFrame<10000>(depth);
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}
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char *stale_stack = LeakStack();
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RecuriveFunctionWithStackFrame(10);
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RecuriveFunctionWithStackFrame<1024>(10);
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stale_stack[100]++;
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// CHECK: ERROR: AddressSanitizer: stack-use-after-return on address
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// CHECK: is located in stack of thread T0 at offset 132 in frame
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