8008972: Memory leak: Java_java_net_TwoStacksPlainDatagramSocketImpl_receive0 [parfait] Summary: Modified the code so that "jumbo frames" are truncated before buffer allocation is considered. This makes the buffer length a reliable indication that a buffer has been allocated, and it can then be used during clean up. Reviewed-by: chegar, khazra, alanb Contributed-by: john.zavgren@oracle.com