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97c675d3d4
This reverts commit 52aeacfbf5ce5f949efe0eae029e56db171ea1f7. There isn't full agreement on a path forward yet, but there is agreement that this shouldn't land as-is. See discussion on https://reviews.llvm.org/D105338 Also reverts unreviewed "[clang] Improve `-Wnull-dereference` diag to be more in-line with reality" This reverts commit f4877c78c0fc98be47b926439bbfe33d5e1d1b6d. And all the related changes to tests: This reverts commit 9a0152799f8e4a59e0483728c9f11c8a7805616f. This reverts commit 3f7c9cc27422f7302cf5a683eeb3978e6cb84270. This reverts commit 329f8197ef59f9bd23328b52d623ba768b51dbb2. This reverts commit aa9f58cc2c48ca6cfc853a2467cd775dc7622746. This reverts commit 2df37d5ddd38091aafbb7d338660e58836f4ac80. This reverts commit a72a44181264fd83e05be958c2712cbd4560aba7.
23 lines
805 B
C++
23 lines
805 B
C++
// 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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// Simple test for a fuzzer.
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// Here the target has a shallow OOM bug and a deeper crash.
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// Make sure we can find the crash while ignoring OOMs.
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#include <cstddef>
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#include <cstdint>
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static volatile int *Sink;
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static volatile int *Zero;
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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if (Size >= 3 && Data[0] == 'O' && Data[1] == 'O' && Data[2] == 'M')
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Sink = new int[1 << 28]; // instant OOM with -rss_limit_mb=128.
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if (Size >= 4 && Data[0] == 'F' && Data[1] == 'U' && Data[2] == 'Z' &&
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Data[3] == 'Z') // a bit deeper crash.
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*Zero = 42;
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return 0;
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}
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