diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/Changelog.md | 11 | ||||
| -rw-r--r-- | docs/custom_mutators.md | 1 | ||||
| -rw-r--r-- | docs/env_variables.md | 6 |
3 files changed, 14 insertions, 4 deletions
diff --git a/docs/Changelog.md b/docs/Changelog.md index 298a3998..09e46fb6 100644 --- a/docs/Changelog.md +++ b/docs/Changelog.md @@ -22,13 +22,14 @@ sending a mail to <afl-users+subscribe@googlegroups.com>. to allow replay of non-reproducable crashes, see AFL_PERSISTENT_RECORD in config.h and docs/envs.h - fixed a bug when trimming for stdin targets - - default cmplog level (-l) is now 2, better efficiency. - - cmplog level 3 (-l 3) now performs redqueen on everything. - use with care. - - better fuzzing strategy yields for enabled options + - cmplog -l: default cmplog level is now 2, better efficiency. + level 3 now performs redqueen on everything. use with care. + - better fuzzing strategy yield display for enabled options - ensure one fuzzer sync per cycle - fix afl_custom_queue_new_entry original file name when syncing from fuzzers + - fixed a crash when more than one custom mutator was used together + with afl_custom_post_process - on a crashing seed potentially the wrong input was disabled - added AFL_EXIT_ON_SEED_ISSUES env that will exit if a seed in -i dir crashes the target or results in a timeout. By default @@ -41,6 +42,8 @@ sending a mail to <afl-users+subscribe@googlegroups.com>. it fails - afl-cc: - We do not support llvm versions prior 6.0 anymore + - added thread safe counters to all modes (`AFL_LLVM_THREADSAFE_INST`), + note that this disables NeverZero counters. - Fix for -pie compiled binaries with default afl-clang-fast PCGUARD - Leak Sanitizer (AFL_USE_LSAN) added by Joshua Rogers, thanks! - Removed InsTrim instrumentation as it is not as good as PCGUARD diff --git a/docs/custom_mutators.md b/docs/custom_mutators.md index 3e3ae01d..129d6676 100644 --- a/docs/custom_mutators.md +++ b/docs/custom_mutators.md @@ -123,6 +123,7 @@ def deinit(): # optional for Python Note that this function is optional - but it makes sense to use it. You would only skip this if `post_process` is used to fix checksums etc. so if you are using it e.g. as a post processing library. + Note that a length > 0 *must* be returned! - `describe` (optional): diff --git a/docs/env_variables.md b/docs/env_variables.md index 7bbc0fdd..38a67bc7 100644 --- a/docs/env_variables.md +++ b/docs/env_variables.md @@ -231,6 +231,12 @@ Then there are a few specific features that are only available in instrumentatio See [instrumentation/README.instrument_list.md](../instrumentation/README.instrument_list.md) for more information. +### Thread safe instrumentation counters (in all modes) + + - Setting `AFL_LLVM_THREADSAFE_INST` will inject code that implements thread + safe counters. The overhead is a little bit higher compared to the older + non-thread safe case. Note that this disables neverzero (see below). + ### NOT_ZERO - Setting `AFL_LLVM_NOT_ZERO=1` during compilation will use counters |