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| author | van Hauser <vh@thc.org> | 2020-03-17 21:42:36 +0100 |
|---|---|---|
| committer | van Hauser <vh@thc.org> | 2020-03-17 21:42:36 +0100 |
| commit | 3aa72429256d0d24d435abd1f641bfce0d4da557 (patch) | |
| tree | de9057b0fa0da27ae8985198e66629ffc7bbec41 /docs | |
| parent | 4009f3a987f652639bacc91a7d8320307165ec72 (diff) | |
| download | afl++-3aa72429256d0d24d435abd1f641bfce0d4da557.tar.gz | |
added mmopt power schedule
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/Changelog.md | 8 | ||||
| -rw-r--r-- | docs/power_schedules.md | 1 |
2 files changed, 7 insertions, 2 deletions
diff --git a/docs/Changelog.md b/docs/Changelog.md index 177054e2..e1f3cd7e 100644 --- a/docs/Changelog.md +++ b/docs/Changelog.md @@ -20,17 +20,21 @@ sending a mail to <afl-users+subscribe@googlegroups.com>. - python mutator modules and custom mutator modules now use the same interface and hence the API changed - AFL_AUTORESUME will resume execution without the need to specify `-i -` + - added experimental power schedule -p mmopt that ignores the runtime of + queue entries and gives higher weighting to the last 5 queue entries + it is currently experimental and subject to change but preliminary + results are good - LTO collision free instrumented added in llvm_mode with afl-clang-lto - note that this mode is amazing, but quite some targets won't compile - llvm_mode InsTrim mode: - removed workaround for bug where paths were not instrumented and imported fix by author - made skipping 1 block functions an option and is disable by default, - set AFL_LLVM_INSTRIM_SKIPSINGLEBLOCK=1 to renable this + set AFL_LLVM_INSTRIM_SKIPSINGLEBLOCK=1 to re-enable this - qemu_mode: - qemu_mode now uses solely the internal capstone version to fix builds on modern Linux distributions - - QEMU now logs routines arguments for CmpLog when the target is x86 + - QEMU now logs routine arguments for CmpLog when the target is x86 - afl-tmin: - now supports hang mode `-H` to minimize hangs - fixed potential afl-tmin missbehavior for targets with multiple hangs diff --git a/docs/power_schedules.md b/docs/power_schedules.md index 4026aedf..cdada0f6 100644 --- a/docs/power_schedules.md +++ b/docs/power_schedules.md @@ -19,6 +19,7 @@ We find that AFL's exploitation-based constant schedule assigns **too much energ | `-p quad` |  | | `-p lin` |  | | `-p exploit` (AFL) |  | +| `-p mmopt` | Experimental: `explore` with no weighting to runtime and increased weighting on the last 5 queue entries | where *α(i)* is the performance score that AFL uses to compute for the seed input *i*, *β(i)>1* is a constant, *s(i)* is the number of times that seed *i* has been chosen from the queue, *f(i)* is the number of generated inputs that exercise the same path as seed *i*, and *μ* is the average number of generated inputs exercising a path. More details can be found in the paper that was accepted at the [23rd ACM Conference on Computer and Communications Security (CCS'16)](https://www.sigsac.org/ccs/CCS2016/accepted-papers/). |