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Fix bugs in simple decompression fuzzer #3978

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merged 1 commit into from
Mar 18, 2024
Merged

Fix bugs in simple decompression fuzzer #3978

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5 changes: 4 additions & 1 deletion tests/fuzz/simple_decompress.c
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,9 @@
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>

#define ZSTD_STATIC_LINKING_ONLY

#include "fuzz_helpers.h"
#include "zstd.h"
#include "fuzz_data_producer.h"
Expand All @@ -40,7 +43,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *src, size_t size)
size_t const dSize = ZSTD_decompressDCtx(dctx, rBuf, bufSize, src, size);
if (!ZSTD_isError(dSize)) {
/* If decompression was successful, the content size from the frame header(s) should be valid. */
size_t const expectedSize = ZSTD_findDecompressedSize(src, size);
unsigned long long const expectedSize = ZSTD_findDecompressedSize(src, size);
FUZZ_ASSERT(expectedSize != ZSTD_CONTENTSIZE_ERROR);
FUZZ_ASSERT(expectedSize == ZSTD_CONTENTSIZE_UNKNOWN || expectedSize == dSize);
}
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