Fix a permissions probem in ConnectivityManager am: 1790009c36

Original change: undetermined Change-Id: Idc3757bf3a4f46d2390df2bbf3488ac433952c90
2021-05-31 05:53:54 +00:00
parent 8ffe306bbb 1790009c36
commit 52aa3b4d5b
1 changed files with 7 additions and 1 deletions
--- a/services/java/com/android/server/ConnectivityService.java
+++ b/services/java/com/android/server/ConnectivityService.java
@@ -1315,7 +1315,13 @@ public class ConnectivityService extends IConnectivityManager.Stub {
            if (usedNetworkType != networkType) {
                Integer currentPid = new Integer(pid);
                mNetRequestersPids[usedNetworkType].remove(currentPid);
-                reassessPidDns(pid, true);
+
+                final long token = Binder.clearCallingIdentity();
+                try {
+                    reassessPidDns(pid, true);
+                } finally {
+                    Binder.restoreCallingIdentity(token);
+                }
                flushVmDnsCache();
                if (mNetRequestersPids[usedNetworkType].size() != 0) {
                    if (VDBG) {