Merge "libprocessgroup: Prevent aggregate profiles from referencing stale ones" am: 5562b076b7 am: e7a707cfbd

Change-Id: I7152f9444a1db5712a5acede204e329088f4fe94
diff --git a/libprocessgroup/task_profiles.cpp b/libprocessgroup/task_profiles.cpp
index 9447f86..72f01af 100644
--- a/libprocessgroup/task_profiles.cpp
+++ b/libprocessgroup/task_profiles.cpp
@@ -288,6 +288,11 @@
     return true;
 }
 
+void TaskProfile::MoveTo(TaskProfile* profile) {
+    profile->elements_ = std::move(elements_);
+    profile->res_cached_ = res_cached_;
+}
+
 bool TaskProfile::ExecuteForProcess(uid_t uid, pid_t pid) const {
     for (const auto& element : elements_) {
         if (!element->ExecuteForProcess(uid, pid)) {
@@ -458,7 +463,15 @@
                 LOG(WARNING) << "Unknown profile action: " << action_name;
             }
         }
-        profiles_[profile_name] = profile;
+        auto iter = profiles_.find(profile_name);
+        if (iter == profiles_.end()) {
+            profiles_[profile_name] = profile;
+        } else {
+            // Move the content rather that replace the profile because old profile might be
+            // referenced from an aggregate profile if vendor overrides task profiles
+            profile->MoveTo(iter->second.get());
+            profile.reset();
+        }
     }
 
     const Json::Value& aggregateprofiles_val = root["AggregateProfiles"];
diff --git a/libprocessgroup/task_profiles.h b/libprocessgroup/task_profiles.h
index 9f2308c..a64ca50 100644
--- a/libprocessgroup/task_profiles.h
+++ b/libprocessgroup/task_profiles.h
@@ -143,6 +143,7 @@
     TaskProfile() : res_cached_(false) {}
 
     void Add(std::unique_ptr<ProfileAction> e) { elements_.push_back(std::move(e)); }
+    void MoveTo(TaskProfile* profile);
 
     bool ExecuteForProcess(uid_t uid, pid_t pid) const;
     bool ExecuteForTask(int tid) const;