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27 lines
794 B
27 lines
794 B
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// When tracing data flow, explode the number of DFSan labels.
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#include <cstddef>
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#include <cstdint>
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static volatile int sink;
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__attribute__((noinline))
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void f(uint8_t a, uint8_t b, uint8_t c, uint8_t d) {
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if (a == b + 1 && c == d + 2)
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sink++;
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if (a == d + 1 && c == b + 2)
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sink++;
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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for (size_t a = 0; a < Size; a++)
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for (size_t b = 0; b < Size; b++)
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for (size_t c = 0; c < Size; c++)
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for (size_t d = 0; d < Size; d++)
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f(Data[a], Data[b], Data[c], Data[d]);
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return 0;
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}
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