--- sys/kern/uipc_socket.c 2026-10-12 23:59:41.452294599 +0000 +++ /tmp/opencode/v26/fixtree/sys/kern/uipc_socket.c 2026-10-24 16:33:07.877714441 +0000 @@ -1650,6 +1650,7 @@ sbappend(sio, m); KKASSERT(resid >= (size_t)m->m_len); resid -= (size_t)m->m_len; + m = m_free(m); /* DF-2696 */ } while (resid > 0 && m); } else { do {