mirror of
https://git.tukaani.org/xz.git
synced 2026-10-31 11:24:56 +00:00
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
// SPDX-License-Identifier: 0BSD
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
/// \file fuzz_decode_stream_mt.c
|
|
/// \brief Fuzz test program for multithreaded .xz decoding
|
|
//
|
|
// Author: 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;
|
|
prepare_stream(&strm, inbuf, inbuf_size);
|
|
|
|
lzma_mt mt = {
|
|
.flags = /*LZMA_CONCATENATED |*/ LZMA_IGNORE_CHECK,
|
|
.threads = 2,
|
|
.timeout = 0,
|
|
.memlimit_threading = MEM_LIMIT / 2,
|
|
.memlimit_stop = MEM_LIMIT,
|
|
};
|
|
|
|
lzma_ret ret;
|
|
|
|
for (int i = 0; i < 3; ++i) {
|
|
if (i == 2)
|
|
mt.flags |= LZMA_CONCATENATED;
|
|
|
|
ret = lzma_stream_decoder_mt(&strm, &mt);
|
|
|
|
if (ret == LZMA_MEM_ERROR)
|
|
continue;
|
|
|
|
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_stream_decoder_mt() "
|
|
"failed (%d)\n", ret);
|
|
abort();
|
|
}
|
|
|
|
fuzz_code(&strm, strm.next_in, strm.avail_in);
|
|
}
|
|
|
|
lzma_end(&strm);
|
|
|
|
return 0;
|
|
}
|