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xz-archive/tests/ossfuzz/fuzz_decode_alone.c
Maksym Vatsyk 7ca8c9869d Tests: Add fuzz_decode_alone OSS-Fuzz target
This fuzz target that handles LZMA alone decoding. A new fuzz
dictionary .dict was also created with common LZMA header values to
help speed up the discovery of valid headers.
2023-12-07 20:06:57 +08:00

41 lines
1.1 KiB
C

///////////////////////////////////////////////////////////////////////////////
//
/// \file fuzz_decode_auto.c
/// \brief Fuzz test program for liblzma lzma_auto_decoder()
//
// Author: Maksym Vatsyk
//
// Based on Lasse Collin's original fuzzer for liblzma
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#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
if (lzma_alone_decoder(&strm, MEM_LIMIT) != 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\n");
abort();
}
fuzz_code(&strm, inbuf, inbuf_size);
// Free the allocated memory.
lzma_end(&strm);
return 0;
}