Coverage Report

Created: 2025-09-04 06:20

/src/h5_extended_fuzzer.c
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Source (jump to first uncovered line)
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/* Copyright 2023 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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      http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "hdf5.h"
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#include <unistd.h>
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extern int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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    char filename[256];
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    sprintf(filename, "/tmp/libfuzzer.%d", getpid());
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    FILE *fp = fopen(filename, "wb");
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    if (!fp) {
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0
        return 0;
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0
    }
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    fwrite(data, size, 1, fp);
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    fclose(fp);
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    hid_t fuzz_h5_id = H5Fopen(filename, H5F_ACC_RDWR, H5P_DEFAULT);
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    if (fuzz_h5_id != H5I_INVALID_HID) {
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      hid_t  dataset_id = H5Dopen2(fuzz_h5_id, "dsetname", H5P_DEFAULT);
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      if (dataset_id != H5I_INVALID_HID) {
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          hid_t attribute_id = H5Aopen_name(dataset_id, "theattr");
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          if (attribute_id != H5I_INVALID_HID) {
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            H5Aclose(attribute_id);
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          }
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          H5Dclose(dataset_id);
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      }
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      H5Fclose(fuzz_h5_id);
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    }
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    return 0;
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}