Corpus for getgroups:

Coverage	Program
166	setgroups-getgroups
132	getgroups
88	perf_event_open-setreuid-getgroups
55	getgroups
55	setgroups-getgroups
35	perf_event_open-setgroups-io_uring_register$IORING_REGISTER_PERSONALITY-syz_io_uring_submit-fstat-fstat-getgroups-ioctl$AUTOFS_DEV_IOCTL_REQUESTER-fstat-ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE-signalfd4
34	getgroups