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[libfuzzer] Clarify -max_len behavior on bigger files #123095

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Jan 23, 2025
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[libfuzzer] Clarify -max_len behavior on bigger files #123095

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5 changes: 3 additions & 2 deletions compiler-rt/lib/fuzzer/FuzzerFlags.def
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ FUZZER_FLAG_UNSIGNED(seed, 0, "Random seed. If 0, seed is generated.")
FUZZER_FLAG_INT(runs, -1,
"Number of individual test runs (-1 for infinite runs).")
FUZZER_FLAG_INT(max_len, 0, "Maximum length of the test input. "
"If 0, libFuzzer tries to guess a good value based on the corpus "
"and reports it. ")
"Contents of corpus files are going to be truncated to this value. "
"If 0, libFuzzer tries to guess a good value based on the corpus "
"and reports it.")
FUZZER_FLAG_INT(len_control, 100, "Try generating small inputs first, "
"then try larger inputs over time. Specifies the rate at which the length "
"limit is increased (smaller == faster). If 0, immediately try inputs with "
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