1*2946cd70SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 2*2946cd70SChandler Carruth // See https://llvm.org/LICENSE.txt for license information. 3*2946cd70SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 410ab2aceSGeorge Karpenkov 510ab2aceSGeorge Karpenkov // Simple test for a fuzzer. This test may trigger two different bugs. 610ab2aceSGeorge Karpenkov #include <cstddef> 710ab2aceSGeorge Karpenkov #include <cstdint> 810ab2aceSGeorge Karpenkov #include <cstdlib> 910ab2aceSGeorge Karpenkov #include <iostream> 1010ab2aceSGeorge Karpenkov 1110ab2aceSGeorge Karpenkov static volatile int *Null = 0; 1210ab2aceSGeorge Karpenkov Foo()1310ab2aceSGeorge Karpenkovvoid Foo() { Null[1] = 0; } Bar()1410ab2aceSGeorge Karpenkovvoid Bar() { Null[2] = 0; } 1510ab2aceSGeorge Karpenkov LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)1610ab2aceSGeorge Karpenkovextern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 1710ab2aceSGeorge Karpenkov if (Size < 10 && Data[0] == 'H') 1810ab2aceSGeorge Karpenkov Foo(); 1910ab2aceSGeorge Karpenkov if (Size >= 10 && Data[0] == 'H') 2010ab2aceSGeorge Karpenkov Bar(); 2110ab2aceSGeorge Karpenkov return 0; 2210ab2aceSGeorge Karpenkov } 2310ab2aceSGeorge Karpenkov 24