Description of problem:

I'm hitting journald assertions using the Python API.


Version-Release number of selected component (if applicable):
systemd-216-13.fc21.x86_64

How reproducible:
always

Steps to Reproduce:

#!/usr/bin/python
# coding: utf-8

from systemd import journal

msg = "ansible-<stdin> Invoked with src=None directory_mode=None force=None remote_src=None dest=/var/tmp/foo selevel=None seuser=None serole=None replace=bar content=NOT_LOGGING_PARAMETER setype=None delimiter=None mode=None regexp=foo owner=None follow=False validate=None backup=False group=None"
args = {'SRC': 'None', 'GROUP': 'None', 'DIRECTORY_MODE': 'None', 'FORCE': 'None', 'REMOTE_SRC': 'None', 'DEST': '/var/tmp/foo', 'SELEVEL': 'None', 'SEUSER': 'None', 'SETYPE': 'None', 'MODULE': '<stdin>', 'REPLACE': 'bar', 'CONTENT': 'NOT_LOGGING_PARAMETER', 'SEROLE': 'None', 'DELIMITER': 'None', 'MODE': 'None', 'FOLLOW': 'False', 'OWNER': 'None', 'REGEXP': 'foo', 'VALIDATE': 'None', 'BACKUP': 'False'}

# This works.
journal.send(msg , **args)

# This however…
# From https://github.com/ansible/ansible/blob/devel/lib/ansible/module_utils/basic.py#L1106
journal_args = ['MESSAGE=' + msg]
for k, v in args.items():
    journal_args.append(k + "=" + v)
journal.sendv(*journal_args)


Actual results:

systemd-journal[27213]: Permanent journal is using 3.0G (max allowed 4.0G, trying to leave 4.0G free of 38.7G available → current limit 4.0G).
systemd-journald[27141]: Assertion 'n + 20 + (object_pid ? 11 : 0) <= m' failed at ../src/journal/journald-server.c:575, function dispatch_message_real(). Aborting.
systemd-journal[27213]: Journal started


Additional info:

I hit this issue using ansible, and filed a pull request upstream to switch to using `send` instead of `sendv` on `systemd.journal` https://github.com/ansible/ansible/pull/9887