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authorvanhauser-thc <vh@thc.org>2022-08-16 10:05:52 +0200
committervanhauser-thc <vh@thc.org>2022-08-16 10:05:52 +0200
commit843ef46b2128f95b5820a0fe89c7ae57f6fcf65b (patch)
treece40f1c0723d5bd9eb987254f3cf10effbb5c25e /docs/FAQ.md
parentd7abf6936c6b5797107779fc99339ac9fb78b22e (diff)
downloadafl++-843ef46b2128f95b5820a0fe89c7ae57f6fcf65b.tar.gz
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@@ -255,3 +255,18 @@ If you find an interesting or important question missing, submit it via
 
   Solution: `git pull ; make clean install` of AFL++.
 </p></details>
+
+<details>
+  <summary id="afl-map-size-warning">AFL++ map size warning.</summary><p>
+
+  When you run a large instrumented program stand-alone or via afl-showmap
+  you might see a warning like the following:
+
+  ```
+  Warning: AFL++ tools might need to set AFL_MAP_SIZE to 223723 to be able to run this instrumented program if this crashes!
+  ```
+
+  Depending how the target works it might also crash afterwards.
+
+  Solution: just do an `export AFL_MAP_SIZE=(the value in the warning)`.
+</p></details>