commit 104654aefd5165fd44cd223dc4a6427dbfea19db
author Pawan Wagh <waghpawan@google.com> Tue Nov 15 21:18:42 2022 +0000
committer Pawan Wagh <waghpawan@google.com> Thu Nov 17 02:05:49 2022 +0000
tree a940f62b7e46de097e670ec45b8a8bdd34a06538
parent a8c0dd747c7aa7127d0bf0f53bcea5ac955b8339

Skipping enforceNoDataAvail in fuzzService

Adding API to skip dataAvail check and using it in
fuzzService.

Bug: 241848255
Test: m binderUnitTest &&
      out/host/linux-x86/nativetest64/binderUnitTest/binderUnitTest
Test: m servicemanager_fuzzer &&
      out/host/linux-x86/fuzz/x86_64/servicemanager_fuzzer/servicemanager_fuzzer
Change-Id: Ib43936ff4a7dca4a036d34b3e475d553f3d21be2

libs/binder/Parcel.cpp

diff --git a/libs/binder/Parcel.cpp b/libs/binder/Parcel.cpp
index 07d0a65..4b07608 100644
--- a/libs/binder/Parcel.cpp
+++ b/libs/binder/Parcel.cpp
@@ -966,7 +966,15 @@
     }
 }
 
+void Parcel::setEnforceNoDataAvail(bool enforceNoDataAvail) {
+    mEnforceNoDataAvail = enforceNoDataAvail;
+}
+
 binder::Status Parcel::enforceNoDataAvail() const {
+    if (!mEnforceNoDataAvail) {
+        return binder::Status::ok();
+    }
+
     const auto n = dataAvail();
     if (n == 0) {
         return binder::Status::ok();
@@ -3077,6 +3085,7 @@
     mAllowFds = true;
     mDeallocZero = false;
     mOwner = nullptr;
+    mEnforceNoDataAvail = true;
 }
 
 void Parcel::scanForFds() const {