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-rw-r--r--llvm/docs/LibFuzzer.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/docs/LibFuzzer.rst b/llvm/docs/LibFuzzer.rst
index 1698439b8c4..49f72f63ee3 100644
--- a/llvm/docs/LibFuzzer.rst
+++ b/llvm/docs/LibFuzzer.rst
@@ -258,6 +258,10 @@ The most important command line options are:
``-max_len``
Maximum length of a test input. If 0 (the default), libFuzzer tries to guess
a good value based on the corpus (and reports it).
+``len_control``
+ Try generating small inputs first, then try larger inputs over time.
+ Specifies the rate at which the length limit is increased (smaller == faster).
+ Default is 100. If 0, immediately try inputs with size up to max_len.
``-timeout``
Timeout in seconds, default 1200. If an input takes longer than this timeout,
the process is treated as a failure case.
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