xz/tests/ossfuzz/fuzz_decode_alone.c

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// SPDX-License-Identifier: 0BSD
///////////////////////////////////////////////////////////////////////////////
//
/// \file fuzz_decode_alone.c
/// \brief Fuzz test program for liblzma .lzma decoding
//
// Authors: Maksym Vatsyk
// Lasse Collin
//
///////////////////////////////////////////////////////////////////////////////
#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
#include "lzma.h"
#include "fuzz_common.h"
extern int
LLVMFuzzerTestOneInput(const uint8_t *inbuf, size_t inbuf_size)
{
lzma_stream strm = LZMA_STREAM_INIT;
// Initialize a LZMA alone decoder using the memory usage limit
// defined in fuzz_common.h
lzma_ret ret = lzma_alone_decoder(&strm, MEM_LIMIT);
if (ret != LZMA_OK) {
// This should never happen unless the system has
// no free memory or address space to allow the small
// allocations that the initialization requires.
fprintf(stderr, "lzma_alone_decoder() failed (%d)\n", ret);
abort();
}
fuzz_code(&strm, inbuf, inbuf_size);
// Free the allocated memory.
lzma_end(&strm);
return 0;
}