added AFL_CMPLOG_ONLY_NEW feature

2 files changed, 7 insertions, 0 deletions

diff --git a/docs/Changelog.md b/docs/Changelog.md
index 329b7520..6e59961b 100644
--- a/docs/Changelog.md
+++ b/docs/Changelog.md
@@ -20,6 +20,8 @@ sending a mail to <afl-users+subscribe@googlegroups.com>.
       transformations (e.g. toupper, tolower, to/from hex, xor,
       arithmetics, etc.). this is costly hence new command line option
       -l that sets the intensity (values 1 to 3). recommended is 1 or 2.
+    - added `AFL_CMPLOG_ONLY_NEW` to not use cmplog on initial testcases from
+      `-i` or resumes (as these have most likely already been done)
     - fix crash for very, very fast targets+systems (thanks to mhlakhani
       for reporting)
     - if determinstic mode is active (-D, or -M without -d) then we sync
diff --git a/docs/env_variables.md b/docs/env_variables.md
index 66d85749..4c3b1cfb 100644
--- a/docs/env_variables.md
+++ b/docs/env_variables.md
@@ -287,6 +287,11 @@ checks or alter some of the more exotic semantics of the tool:
     the target. This must be equal or larger than the size the target was
     compiled with.
 
+  - `AFL_CMPLOG_ONLY_NEW` will only perform the expensive cmplog feature for
+    newly found testcases and not for testcases that are loaded on startup
+    (`-i in`). This is an important feature to set when resuming a fuzzing
+    session.
+
   - `AFL_TESTCACHE_SIZE` allows you to override the size of `#define TESTCASE_CACHE`
     in config.h. Recommended values are 50-250MB - or more if your fuzzing
     finds a huge amount of paths for large inputs.