Daan De Meyer
458a6472c2
sd_journal_send() passes an entry that doesn't fit into a datagram to journald as a sealed memfd. Only test-journal-send makes a real journald receive a memfd. It does so by sending a 4 MiB message to the journal of the machine it runs on. Let's send a sealed memfd with a 4 MiB field to journald in TEST-04-JOURNAL and check that journalctl shows the whole field. Then test-journal-send can test the memfd without writing to the journal of the host.
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