Coverage Report

Created: 2026-05-30 07:13

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libvsapm/ossfuzz/partition_fuzzer.cc
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Source
1
/*
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 * OSS-Fuzz target for libvsapm partition type
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 *
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 * Copyright (C) 2009-2026, Joachim Metz <joachim.metz@gmail.com>
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 *
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 * Refer to AUTHORS for acknowledgements.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU Lesser General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
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 */
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22
#include <stddef.h>
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#include <stdint.h>
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/* Note that some of the OSS-Fuzz engines use C++
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 */
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extern "C" {
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#include "ossfuzz_libbfio.h"
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#include "ossfuzz_libvsapm.h"
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#if !defined( LIBVSAPM_HAVE_BFIO )
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/* Opens a volume using a Basic File IO (bfio) handle
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 * Returns 1 if successful or -1 on error
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 */
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LIBVSAPM_EXTERN \
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int libvsapm_volume_open_file_io_handle(
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     libvsapm_volume_t *volume,
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     libbfio_handle_t *file_io_handle,
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     int access_flags,
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     libvsapm_error_t **error );
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#endif /* !defined( LIBVSAPM_HAVE_BFIO ) */
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int LLVMFuzzerTestOneInput(
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     const uint8_t *data,
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     size_t size )
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10.1k
{
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10.1k
  libbfio_handle_t *file_io_handle = NULL;
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10.1k
  libvsapm_partition_t *partition  = NULL;
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10.1k
  libvsapm_volume_t *volume        = NULL;
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10.1k
  int number_of_partitions         = 0;
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10.1k
  if( libbfio_memory_range_initialize(
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10.1k
       &file_io_handle,
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10.1k
       NULL ) != 1 )
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0
  {
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0
    return( 0 );
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0
  }
61
10.1k
  if( libbfio_memory_range_set(
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10.1k
       file_io_handle,
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10.1k
       (uint8_t *) data,
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10.1k
       size,
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10.1k
       NULL ) != 1 )
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0
  {
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0
    goto on_error_libbfio;
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0
  }
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10.1k
  if( libvsapm_volume_initialize(
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10.1k
       &volume,
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10.1k
       NULL ) != 1 )
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0
  {
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0
    goto on_error_libbfio;
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0
  }
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10.1k
  if( libvsapm_volume_open_file_io_handle(
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10.1k
       volume,
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10.1k
       file_io_handle,
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10.1k
       LIBVSAPM_OPEN_READ,
79
10.1k
       NULL ) != 1 )
80
4.82k
  {
81
4.82k
    goto on_error_libvsapm_volume;
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4.82k
  }
83
5.34k
  if( libvsapm_volume_get_number_of_partitions(
84
5.34k
       volume,
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5.34k
       &number_of_partitions,
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5.34k
       NULL ) != 1 )
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0
  {
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0
    goto on_error_libvsapm_volume;
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0
  }
90
5.34k
  if( number_of_partitions > 0 )
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3.13k
  {
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3.13k
    if( libvsapm_volume_get_partition_by_index(
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3.13k
         volume,
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3.13k
         0,
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3.13k
         &partition,
96
3.13k
         NULL ) == 1 )
97
733
    {
98
733
      libvsapm_partition_free(
99
733
       &partition,
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733
       NULL );
101
733
    }
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3.13k
  }
103
5.34k
  libvsapm_volume_close(
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5.34k
   volume,
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5.34k
   NULL );
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107
10.1k
on_error_libvsapm_volume:
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10.1k
  libvsapm_volume_free(
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10.1k
   &volume,
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10.1k
   NULL );
111
112
10.1k
on_error_libbfio:
113
10.1k
  libbfio_handle_free(
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10.1k
   &file_io_handle,
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10.1k
   NULL );
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10.1k
  return( 0 );
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10.1k
}
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} /* extern "C" */
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