[ActivityManager] Fix index out of bounds when updating next pss time.
Symptom:
System server crash.
Root Cause:
The value curProcState for array index is -1 if the process
has not attached yet.
Solution:
Skip computing for process which is not attached or curProcState
is nonexistent state.
Change-Id: I71aaf45bb78d73097ebe9dfebf76b72f2d243232
diff --git a/services/core/java/com/android/server/am/ProcessRecord.java b/services/core/java/com/android/server/am/ProcessRecord.java
index a6c616a..b18b057 100644
--- a/services/core/java/com/android/server/am/ProcessRecord.java
+++ b/services/core/java/com/android/server/am/ProcessRecord.java
@@ -16,6 +16,8 @@
package com.android.server.am;
+import static android.app.ActivityManager.PROCESS_STATE_NONEXISTENT;
+
import android.util.ArraySet;
import android.util.EventLog;
import android.util.Slog;
@@ -83,10 +85,10 @@
int curSchedGroup; // Currently desired scheduling class
int setSchedGroup; // Last set to background scheduling class
int trimMemoryLevel; // Last selected memory trimming level
- int curProcState = -1; // Currently computed process state: ActivityManager.PROCESS_STATE_*
- int repProcState = -1; // Last reported process state
- int setProcState = -1; // Last set process state in process tracker
- int pssProcState = -1; // The proc state we are currently requesting pss for
+ int curProcState = PROCESS_STATE_NONEXISTENT; // Currently computed process state
+ int repProcState = PROCESS_STATE_NONEXISTENT; // Last reported process state
+ int setProcState = PROCESS_STATE_NONEXISTENT; // Last set process state in process tracker
+ int pssProcState = PROCESS_STATE_NONEXISTENT; // Currently requesting pss for
boolean serviceb; // Process currently is on the service B list
boolean serviceHighRam; // We are forcing to service B list due to its RAM use
boolean setIsForeground; // Running foreground UI when last set?