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-rw-r--r--instrumentation/afl-llvm-common.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/instrumentation/afl-llvm-common.cc b/instrumentation/afl-llvm-common.cc
index dc34d191..de334fb7 100644
--- a/instrumentation/afl-llvm-common.cc
+++ b/instrumentation/afl-llvm-common.cc
@@ -289,6 +289,9 @@ 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,