084eeb865ca63887098e0945fb4e93c852b91b0f
This fixes a crash where we would read the commandline, whose length is under control of the sending program, and then crash when trying to create a stack allocation for it. CVE-2018-16864 https://bugzilla.redhat.com/show_bug.cgi?id=1653855 The message actually doesn't get written to disk, because journal_file_append_entry() returns -E2BIG.
systemd - System and Service Manager
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