Corpus for setregid:

Coverage	Program
1036	perf_event_open-syz_mount_image$tmpfs-setregid-stat-getgid-lchown-signalfd-mount$9p_fd-fork-lstat-fork-openat-openat$ptmx-ioctl$TIOCPKT-ioctl$TCSETSF
673	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-setregid
233	setregid-getegid-getegid-setresgid-setregid
178	perf_event_open-setregid
177	perf_event_open-setregid
158	setresgid-setregid
134	setreuid-getgroups-setregid
123	setregid
114	setregid