Corpus for ioctl$sock_SIOCSPGRP:

Coverage	Program
1554	socket$nl_xfrm-sendmsg$nl_xfrm-sendmsg$nl_xfrm-preadv-readv-fcntl$setown-ioctl$PERF_EVENT_IOC_REFRESH-socket$inet6_icmp_raw-perf_event_open-socket$inet6_udp-connect$inet6-sendmsg$inet-waitid-ioctl$sock_SIOCSPGRP-connect$inet6-fcntl$dupfd-sendmsg$inet6-setns
932	rt_sigaction-perf_event_open-ftruncate-socket$inet6_udplite-lseek-setsockopt$inet6_group_source_req-fspick-quotactl-ioctl$RTC_WKALM_SET-fsetxattr$security_selinux-socket$inet6_icmp-socket$nl_xfrm-sendmsg$nl_xfrm-setsockopt$sock_cred-sendmsg$nl_xfrm-writev-ioctl$EXT4_IOC_MOVE_EXT-ioctl$NS_GET_USERNS-futex-ioctl$sock_SIOCSPGRP