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Diffstat (limited to 'test/fuzzer/StrncmpTest.cpp')
-rw-r--r-- | test/fuzzer/StrncmpTest.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/fuzzer/StrncmpTest.cpp b/test/fuzzer/StrncmpTest.cpp new file mode 100644 index 000000000..a40e05690 --- /dev/null +++ b/test/fuzzer/StrncmpTest.cpp @@ -0,0 +1,28 @@ +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. + +// Simple test for a fuzzer. The fuzzer must find a particular string. +#include <cstdint> +#include <cstdio> +#include <cstdlib> +#include <cstring> + +static volatile int sink; + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + // TODO: check other sizes. + const char *S = (const char*)Data; + if (Size >= 8 && strncmp(S, "123", 8)) + sink = 1; + if (Size >= 8 && strncmp(S, "01234567", 8) == 0) { + if (Size >= 12 && strncmp(S + 8, "ABCD", 4) == 0) { + if (Size >= 14 && strncmp(S + 12, "XY", 2) == 0) { + if (Size >= 17 && strncmp(S + 14, "KLM", 3) == 0) { + fprintf(stderr, "BINGO\n"); + exit(1); + } + } + } + } + return 0; +} |