diff options
Diffstat (limited to 'llvm_mode')
| -rw-r--r-- | llvm_mode/README.instrument_file.md | 2 | ||||
| -rw-r--r-- | llvm_mode/afl-clang-fast.c | 5 |
2 files changed, 5 insertions, 2 deletions
diff --git a/llvm_mode/README.instrument_file.md b/llvm_mode/README.instrument_file.md index 29c40eec..46e45ba2 100644 --- a/llvm_mode/README.instrument_file.md +++ b/llvm_mode/README.instrument_file.md @@ -18,6 +18,8 @@ For this purpose, I have added a "partial instrumentation" support to the LLVM mode of AFLFuzz that allows you to specify on a source file level which files should be compiled with or without instrumentation. +Note: When using PCGUARD mode - and have llvm 12+ - you can use this instead: +https://clang.llvm.org/docs/SanitizerCoverage.html#partially-disabling-instrumentation ## 2) Building the LLVM module diff --git a/llvm_mode/afl-clang-fast.c b/llvm_mode/afl-clang-fast.c index a2550d2c..8e3ca90c 100644 --- a/llvm_mode/afl-clang-fast.c +++ b/llvm_mode/afl-clang-fast.c @@ -776,7 +776,7 @@ int main(int argc, char **argv, char **envp) { "switching to classic instrumentation because " "AFL_LLVM_INSTRUMENT_FILE does not work with PCGUARD. Use " "-fsanitize-coverage-allowlist=allowlist.txt if you want to use " - "PCGUARD. See " + "PCGUARD. Requires llvm 12+. See " "https://clang.llvm.org/docs/" "SanitizerCoverage.html#partially-disabling-instrumentation"); @@ -832,7 +832,8 @@ int main(int argc, char **argv, char **envp) { FATAL( "Instrumentation type PCGUARD does not support " "AFL_LLVM_INSTRUMENT_FILE! Use " - "-fsanitize-coverage-allowlist=allowlist.txt instead, see " + "-fsanitize-coverage-allowlist=allowlist.txt instead (requires llvm " + "12+), see " "https://clang.llvm.org/docs/" "SanitizerCoverage.html#partially-disabling-instrumentation"); |