Corpus for read$ptp:

Coverage	Program
1848	perf_event_open-connect$inet6-pipe2-setsockopt$inet6_IPV6_ADDRFORM-syz_open_procfs-read$ptp
825	perf_event_open-syz_open_procfs-read$ptp
766	syz_open_procfs-read$ptp
657	syz_open_procfs-read$ptp
550	syz_open_procfs-read$ptp
119	perf_event_open-openat$ptp0-read$ptp
75	openat$ptp0-read$ptp