reinstate capacity check

2018-07-06 17:13:48 +00:00
parent 998931ffde
commit ab4a8ef16c
1 changed files with 5 additions and 0 deletions
--- a/router/java/src/net/i2p/router/transport/ntcp/EventPumper.java
+++ b/router/java/src/net/i2p/router/transport/ntcp/EventPumper.java
@ -471,6 +471,11 @@ class EventPumper implements Runnable {
     *  High-frequency path in thread.
     */
    public static void releaseBuf(ByteBuffer buf) {
+        // double check
+        if (buf.capacity() < BUF_SIZE) {
+            I2PAppContext.getGlobalContext().logManager().getLog(EventPumper.class).error("Bad size " + buf.capacity(), new Exception());
+            return;
+        }
        buf.clear();
        _bufferCache.release(buf);
    }