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Diffstat (limited to 'docs/env_variables.md')
| -rw-r--r-- | docs/env_variables.md | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/docs/env_variables.md b/docs/env_variables.md index c5995d13..b1f23159 100644 --- a/docs/env_variables.md +++ b/docs/env_variables.md @@ -156,7 +156,7 @@ Available options: - LTO - LTO instrumentation - NATIVE - clang's original pcguard based instrumentation - NGRAM-x - deeper previous location coverage (from NGRAM-2 up to NGRAM-16) - - PCGUARD - our own pcgard based instrumentation (default) + - PCGUARD - our own pcguard based instrumentation (default) #### CMPLOG @@ -240,7 +240,9 @@ combined. the default `0x10000`. A value of 0 or empty sets the map address to be dynamic (the original AFL way, which is slower). - `AFL_LLVM_MAP_DYNAMIC` sets the shared memory address to be dynamic. - + - `AFL_LLVM_LTO_SKIPINIT` skips adding initialization code. Some global vars + (e.g. the highest location ID) are not injected. Needed to instrument with + [WAFL](https://github.com/fgsect/WAFL.git). For more information, see [instrumentation/README.lto.md](../instrumentation/README.lto.md). @@ -404,7 +406,8 @@ checks or alter some of the more exotic semantics of the tool: - If afl-fuzz encounters an incorrect fuzzing setup during a fuzzing session (not at startup), it will terminate. If you do not want this, then you can - set `AFL_IGNORE_PROBLEMS`. + set `AFL_IGNORE_PROBLEMS`. If you additionally want to also ignore coverage + from late loaded libraries, you can set `AFL_IGNORE_PROBLEMS_COVERAGE`. - When running in the `-M` or `-S` mode, setting `AFL_IMPORT_FIRST` causes the fuzzer to import test cases from other instances before doing anything else. |