From https://ci.freebsd.org/job/FreeBSD-head-amd64-test/4635/testReport/junit/usr.bin.procstat/procstat_test/command_line_arguments/ : $ procstat -c 80299 procstat: sysctl(kern.proc.args): Cannot allocate memory
markj has more insight into libprocstat than I do.
The test has been passing consistently for the past while: https://ci.freebsd.org/job/FreeBSD-head-amd64-test/4635/testReport/junit/usr.bin.procstat/procstat_test/command_line_arguments/history/ *** This bug has been marked as a duplicate of bug 233587 ***