Program: 22729
Project: 22729
Buggy source:
/** 
 * @see AudioManager#setMode(int) 
 */
public void setMode(int mode,IBinder cb){
  if (!checkAudioSettingsPermission("String_Node_Str")) {
    return;
  }
  if (mode < AudioSystem.MODE_CURRENT || mode > AudioSystem.MODE_IN_CALL) {
    return;
  }
synchronized (mSettingsLock) {
    if (mode == AudioSystem.MODE_CURRENT) {
      mode=mMode;
    }
    if (mode != mMode) {
      if (AudioSystem.setPhoneState(mode) == AudioSystem.AUDIO_STATUS_OK) {
        checkForUndispatchedAudioFocusChange(mMode,mode);
        mMode=mode;
synchronized (mSetModeDeathHandlers) {
          SetModeDeathHandler hdlr=null;
          Iterator iter=mSetModeDeathHandlers.iterator();
          while (iter.hasNext()) {
            SetModeDeathHandler h=(SetModeDeathHandler)iter.next();
            if (h.getBinder() == cb) {
              hdlr=h;
              iter.remove();
              break;
            }
          }
          if (hdlr == null) {
            hdlr=new SetModeDeathHandler(cb);
            if (cb != null) {
              try {
                cb.linkToDeath(hdlr,0);
              }
 catch (              RemoteException e) {
                Log.w(TAG,"String_Node_Str" + cb + "String_Node_Str");
              }
            }
          }
          mSetModeDeathHandlers.add(0,hdlr);
          hdlr.setMode(mode);
        }
        if (mode != AudioSystem.MODE_NORMAL) {
          clearAllScoClients();
        }
      }
    }
    int streamType=getActiveStreamType(AudioManager.USE_DEFAULT_STREAM_TYPE);
    int index=mStreamStates[STREAM_VOLUME_ALIAS[streamType]].mIndex;
    setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType],index,true,true);
  }
}

Fixed version (ground truth):
/** 
 * @see AudioManager#setMode(int) 
 */
public void setMode(int mode,IBinder cb){
  if (!checkAudioSettingsPermission("String_Node_Str")) {
    return;
  }
  if (mode < AudioSystem.MODE_CURRENT || mode > AudioSystem.MODE_IN_CALL) {
    return;
  }
synchronized (mSettingsLock) {
    if (mode == AudioSystem.MODE_CURRENT) {
      mode=mMode;
    }
    if (mode != mMode) {
      if (AudioSystem.setPhoneState(mode) == AudioSystem.AUDIO_STATUS_OK) {
        checkForUndispatchedAudioFocusChange(mMode,mode);
        mMode=mode;
synchronized (mSetModeDeathHandlers) {
          SetModeDeathHandler hdlr=null;
          Iterator iter=mSetModeDeathHandlers.iterator();
          while (iter.hasNext()) {
            SetModeDeathHandler h=(SetModeDeathHandler)iter.next();
            if (h.getBinder() == cb) {
              hdlr=h;
              iter.remove();
              break;
            }
          }
          if (hdlr == null) {
            hdlr=new SetModeDeathHandler(cb);
            if (cb != null) {
              try {
                cb.linkToDeath(hdlr,0);
              }
 catch (              RemoteException e) {
                Log.w(TAG,"String_Node_Str" + cb + "String_Node_Str");
              }
            }
          }
          mSetModeDeathHandlers.add(0,hdlr);
          hdlr.setMode(mode);
        }
        if (mode != AudioSystem.MODE_NORMAL) {
          clearAllScoClients();
        }
      }
    }
    int streamType=getActiveStreamType(AudioManager.USE_DEFAULT_STREAM_TYPE);
    int index=mStreamStates[STREAM_VOLUME_ALIAS[streamType]].mIndex;
    setStreamVolumeInt(STREAM_VOLUME_ALIAS[streamType],index,true,false);
  }
}