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| author | van Hauser <vh@thc.org> | 2020-07-16 20:24:01 +0200 |
|---|---|---|
| committer | van Hauser <vh@thc.org> | 2020-07-16 20:24:01 +0200 |
| commit | 67d58e2437f268a692f4570c70e58953b43d3042 (patch) | |
| tree | 8a0fd8230aa2ba1f5d3aafd966616c975ca4ec77 /llvm_mode/afl-clang-fast.c | |
| parent | 6513bca07e590024480a95de8c57c9547987032d (diff) | |
| download | afl++-67d58e2437f268a692f4570c70e58953b43d3042.tar.gz | |
doc updates
Diffstat (limited to 'llvm_mode/afl-clang-fast.c')
| -rw-r--r-- | llvm_mode/afl-clang-fast.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/llvm_mode/afl-clang-fast.c b/llvm_mode/afl-clang-fast.c index 8823b6a5..4d01e740 100644 --- a/llvm_mode/afl-clang-fast.c +++ b/llvm_mode/afl-clang-fast.c @@ -768,9 +768,19 @@ int main(int argc, char **argv, char **envp) { #if LLVM_VERSION_MAJOR <= 6 instrument_mode = INSTRUMENT_AFL; #else - if (getenv("AFL_LLVM_INSTRUMENT_FILE") || getenv("AFL_LLVM_WHITELIST")) + if (getenv("AFL_LLVM_INSTRUMENT_FILE") || getenv("AFL_LLVM_WHITELIST")) { + instrument_mode = INSTRUMENT_AFL; - else + WARNF( + "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 " + "https://clang.llvm.org/docs/" + "SanitizerCoverage.html#partially-disabling-instrumentation"); + + } else + instrument_mode = INSTRUMENT_PCGUARD; #endif @@ -818,9 +828,12 @@ int main(int argc, char **argv, char **envp) { if (instrument_mode == INSTRUMENT_PCGUARD && (getenv("AFL_LLVM_INSTRUMENT_FILE") || getenv("AFL_LLVM_WHITELIST"))) - WARNF( + FATAL( "Instrumentation type PCGUARD does not support " - "AFL_LLVM_INSTRUMENT_FILE!"); + "AFL_LLVM_INSTRUMENT_FILE! Use " + "-fsanitize-coverage-allowlist=allowlist.txt instead, see " + "https://clang.llvm.org/docs/" + "SanitizerCoverage.html#partially-disabling-instrumentation"); if (argc < 2 || strcmp(argv[1], "-h") == 0) { |