diff options
Diffstat (limited to 'instrumentation/afl-llvm-common.cc')
| -rw-r--r-- | instrumentation/afl-llvm-common.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/instrumentation/afl-llvm-common.cc b/instrumentation/afl-llvm-common.cc index 9483da83..7f17b02d 100644 --- a/instrumentation/afl-llvm-common.cc +++ b/instrumentation/afl-llvm-common.cc @@ -12,6 +12,7 @@ #include <list> #include <string> #include <fstream> +#include <cmath> #include <llvm/Support/raw_ostream.h> @@ -288,10 +289,11 @@ void scanForDangerousFunctions(llvm::Module *M) { StringRef ifunc_name = IF.getName(); Constant *r = IF.getResolver(); + if (r->getNumOperands() == 0) { continue; } StringRef r_name = cast<Function>(r->getOperand(0))->getName(); if (!be_quiet) fprintf(stderr, - "Info: Found an ifunc with name %s that points to resolver " + "Note: Found an ifunc with name %s that points to resolver " "function %s, we will not instrument this, putting it into the " "block list.\n", ifunc_name.str().c_str(), r_name.str().c_str()); @@ -329,7 +331,7 @@ void scanForDangerousFunctions(llvm::Module *M) { if (!be_quiet) fprintf(stderr, - "Info: Found constructor function %s with prio " + "Note: Found constructor function %s with prio " "%u, we will not instrument this, putting it into a " "block list.\n", F->getName().str().c_str(), Priority); @@ -582,7 +584,7 @@ bool isInInstrumentList(llvm::Function *F, std::string Filename) { } // Calculate the number of average collisions that would occur if all -// location IDs would be assigned randomly (like normal afl/afl++). +// location IDs would be assigned randomly (like normal afl/AFL++). // This uses the "balls in bins" algorithm. unsigned long long int calculateCollisions(uint32_t edges) { |