Corpus for setregid:

Coverage	Program
226	perf_event_open-setregid
205	syz_open_dev$sg-setregid-read
167	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-setregid
163	setregid-fork-ptrace$setopts
161	setregid-getegid-getegid-setresgid-setregid
155	setregid-getegid-setregid
134	setreuid-getgroups-setregid
124	setregid