diff options
| -rw-r--r-- | services/core/java/com/android/server/am/ActivityManagerService.java | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java index a2ea8e0dac29..a6d103136c8a 100644 --- a/services/core/java/com/android/server/am/ActivityManagerService.java +++ b/services/core/java/com/android/server/am/ActivityManagerService.java @@ -4818,9 +4818,18 @@ public class ActivityManagerService extends IActivityManager.Stub return procState; } + private boolean isCallerShell() { + final int callingUid = Binder.getCallingUid(); + return callingUid == SHELL_UID || callingUid == ROOT_UID; + } + @Override public boolean setProcessMemoryTrimLevel(String process, int userId, int level) throws RemoteException { + if (!isCallerShell()) { + EventLog.writeEvent(0x534e4554, 160390416, Binder.getCallingUid(), ""); + throw new SecurityException("Only shell can call it"); + } synchronized (this) { final ProcessRecord app = findProcessLocked(process, userId, "setProcessMemoryTrimLevel"); if (app == null) { |