about summary refs log tree commit diff
path: root/docs/fuzzing_in_depth.md
diff options
context:
space:
mode:
Diffstat (limited to 'docs/fuzzing_in_depth.md')
-rw-r--r--docs/fuzzing_in_depth.md4
1 files changed, 3 insertions, 1 deletions
diff --git a/docs/fuzzing_in_depth.md b/docs/fuzzing_in_depth.md
index 2a088201..f75ca5dc 100644
--- a/docs/fuzzing_in_depth.md
+++ b/docs/fuzzing_in_depth.md
@@ -534,6 +534,8 @@ dictionaries/FORMAT.dict`.
 * With `afl-clang-fast`, you can set
   `AFL_LLVM_DICT2FILE=/full/path/to/new/file.dic` to automatically generate a
   dictionary during target compilation.
+  Adding `AFL_LLVM_DICT2FILE_NO_MAIN=1` to not parse main (usually command line
+  parameter parsing) is often a good idea too.
 * You also have the option to generate a dictionary yourself during an
   independent run of the target, see
   [utils/libtokencap/README.md](../utils/libtokencap/README.md).
@@ -937,7 +939,7 @@ too long for your overall available fuzz run time.
 3. Also randomize the afl-fuzz runtime options, e.g.:
     * 65% for `AFL_DISABLE_TRIM`
     * 50% for `AFL_KEEP_TIMEOUTS`
-    * 50% use a dictionary generated by `AFL_LLVM_DICT2FILE`
+    * 50% use a dictionary generated by `AFL_LLVM_DICT2FILE` + `AFL_LLVM_DICT2FILE_NO_MAIN=1`
     * 40% use MOpt (`-L 0`)
     * 40% for `AFL_EXPAND_HAVOC_NOW`
     * 20% for old queue processing (`-Z`)