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authorvan Hauser <vh@thc.org>2023-02-21 01:11:00 +0100
committerGitHub <noreply@github.com>2023-02-21 01:11:00 +0100
commitc33f8751e3f1051c4fe6859d16a0494282c8e34b (patch)
treecffa425593885192ec6d24416ab5b436ca0f5938 /docs/fuzzing_in_depth.md
parent1faf6f67313e726c645ac3b9ecd2d8b5e65f605a (diff)
parent6f4b5ae0832774389b12c5a8cd3fb95821b438e5 (diff)
downloadafl++-c33f8751e3f1051c4fe6859d16a0494282c8e34b.tar.gz
Merge pull request #1651 from AFLplusplus/dev
Dev
Diffstat (limited to 'docs/fuzzing_in_depth.md')
-rw-r--r--docs/fuzzing_in_depth.md6
1 files changed, 4 insertions, 2 deletions
diff --git a/docs/fuzzing_in_depth.md b/docs/fuzzing_in_depth.md
index efab0633..f75ca5dc 100644
--- a/docs/fuzzing_in_depth.md
+++ b/docs/fuzzing_in_depth.md
@@ -630,7 +630,8 @@ If you have a large corpus, a corpus from a previous run or are fuzzing in a CI,
 then also set `export AFL_CMPLOG_ONLY_NEW=1` and `export AFL_FAST_CAL=1`.
 If the queue in the CI is huge and/or the execution time is slow then you can
 also add `AFL_NO_STARTUP_CALIBRATION=1` to skip the initial queue calibration
-phase and start fuzzing at once.
+phase and start fuzzing at once - but only do this if the calibration phase
+would be too long for your fuzz run time.
 
 You can also use different fuzzers. If you are using AFL spinoffs or AFL
 conforming fuzzers, then just use the same -o directory and give it a unique
@@ -916,7 +917,8 @@ normal fuzzing campaigns as these are much shorter runnings.
 
 If the queue in the CI is huge and/or the execution time is slow then you can
 also add `AFL_NO_STARTUP_CALIBRATION=1` to skip the initial queue calibration
-phase and start fuzzing at once.
+phase and start fuzzing at once. But only do that if the calibration time is
+too long for your overall available fuzz run time.
 
 1. Always:
     * LTO has a much longer compile time which is diametrical to short fuzzing -