tests/ossfuzz/fuzz_decode_alone.c

   1 // SPDX-License-Identifier: 0BSD
   2
   3 ///////////////////////////////////////////////////////////////////////////////
   4 //
   5 /// \file       fuzz_decode_alone.c
   6 /// \brief      Fuzz test program for liblzma .lzma decoding
   7 //
   8 //  Authors:    Maksym Vatsyk
   9 //              Lasse Collin
  10 //
  11 ///////////////////////////////////////////////////////////////////////////////
  12
  13 #include <inttypes.h>
  14 #include <stdlib.h>
  15 #include <stdio.h>
  16 #include "lzma.h"
  17 #include "fuzz_common.h"
  18
  19
  20 extern int
  21 LLVMFuzzerTestOneInput(const uint8_t *inbuf, size_t inbuf_size)
  22 {
  23         lzma_stream strm = LZMA_STREAM_INIT;
  24         // Initialize a LZMA alone decoder using the memory usage limit
  25         // defined in fuzz_common.h
  26         lzma_ret ret = lzma_alone_decoder(&strm, MEM_LIMIT);
  27
  28         if (ret != LZMA_OK) {
  29                 // This should never happen unless the system has
  30                 // no free memory or address space to allow the small
  31                 // allocations that the initialization requires.
  32                 fprintf(stderr, "lzma_alone_decoder() failed (%d)\n", ret);
  33                 abort();
  34         }
  35
  36         fuzz_code(&strm, inbuf, inbuf_size);
  37
  38         // Free the allocated memory.
  39         lzma_end(&strm);
  40         return 0;
  41 }