Corpus for setregid:

Coverage	Program
1239	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-setregid-ptrace-ptrace$peeksig-openat$binderfs_ctrl-dup2-fcntl$getownex-getsockopt$sock_cred-io_setup-openat$random-fork-ptrace
1208	socket$nl_route-gettid-setresgid-socket$nl_xfrm-getsockopt$sock_cred-setregid-sendmsg$netlink
904	newfstatat-setresuid-setregid
732	syz_mount_image$tmpfs-setregid-linkat
216	setregid
148	perf_event_open-setregid
147	getgroups-setregid-setregid
97	setregid