diff --git a/src/cc/frontends/clang/b_frontend_action.cc b/src/cc/frontends/clang/b_frontend_action.cc
index 14bad3b0b3f2..11a0221f9626 100644
--- a/src/cc/frontends/clang/b_frontend_action.cc
+++ b/src/cc/frontends/clang/b_frontend_action.cc
@@ -64,7 +64,10 @@ bool BMapDeclVisitor::VisitRecordDecl(RecordDecl *D) {
   result_ += "\", [";
   for (auto F : D->getDefinition()->fields()) {
     result_ += "[";
-    TraverseDecl(F);
+    if (F->getType()->isPointerType())
+      result_ += "\"unsigned long long\"";
+    else
+      TraverseDecl(F);
     if (F->isBitField())
       result_ += ", " + to_string(F->getBitWidthValue(C));
     result_ += "], ";
diff --git a/tests/cc/test_clang.py b/tests/cc/test_clang.py
index 1a24004e7533..a53b431fd0e2 100755
--- a/tests/cc/test_clang.py
+++ b/tests/cc/test_clang.py
@@ -65,5 +65,26 @@ def test_sscanf(self):
         self.assertEqual(l.s.a, 5)
         self.assertEqual(l.s.b, 6)
 
+    def test_iosnoop(self):
+        text = """
+#include <linux/blkdev.h>
+#include <uapi/linux/ptrace.h>
+
+struct key_t {
+    struct request *req;
+};
+
+BPF_TABLE("hash", struct key_t, u64, start, 1024);
+int do_request(struct pt_regs *ctx, struct request *req) {
+    struct key_t key = {};
+
+    bpf_trace_printk("traced start %d\\n", req->__data_len);
+
+    return 0;
+}
+"""
+        b = BPF(text=text, debug=0)
+        fn = b.load_func("do_request", BPF.KPROBE)
+
 if __name__ == "__main__":
     main()