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fix: remove unsafe exec() in harness.c #421

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fix: remove unsafe exec() in harness.c #421

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4 changes: 3 additions & 1 deletion fuzz/harness.c
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Original file line number Diff line number Diff line change
Expand Up @@ -38,9 +38,11 @@ static void initialize()
initialized = 1;
}

#define MAX_FUZZ_INPUT_SIZE (64 * 1024) /* 64 KB – cap input to limit exposure to memory-safety bugs */

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
if (size == 0)
if (size == 0 || size > MAX_FUZZ_INPUT_SIZE)
{
return 0;
}
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