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35 lines
1 KiB
C++
35 lines
1 KiB
C++
#include "ndpi_api.h"
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#include "fuzz_common_code.h"
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#include <stdint.h>
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#include "fuzzer/FuzzedDataProvider.h"
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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FuzzedDataProvider fuzzed_data(data, size);
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struct ndpi_cm_sketch *sketch;
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u_int16_t i, num_hashes, num_iteration, num_lookup;
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/* Just to have some data */
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if (fuzzed_data.remaining_bytes() < 1024)
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return -1;
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/* To allow memory allocation failures */
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fuzz_set_alloc_callbacks_and_seed(size);
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num_hashes = fuzzed_data.ConsumeIntegralInRange(0, 8192);
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num_iteration = fuzzed_data.ConsumeIntegral<u_int8_t>();
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num_lookup = fuzzed_data.ConsumeIntegral<u_int8_t>();
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sketch = ndpi_cm_sketch_init(num_hashes);
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if (sketch) {
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for (i = 0; i < num_iteration; i++) {
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ndpi_cm_sketch_add(sketch, fuzzed_data.ConsumeIntegral<u_int32_t>());
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}
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for (i = 0; i < num_lookup; i++) {
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ndpi_cm_sketch_count(sketch, fuzzed_data.ConsumeIntegral<u_int32_t>());
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}
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ndpi_cm_sketch_destroy(sketch);
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}
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return 0;
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}
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