Corpus for setfsgid:
Coverage Program
1463 setregid-getegid-setfsgid-setresgid-fork-kcmp-geteuid-stat-add_key$keyring-keyctl$chown-pwritev2-openat$autofs-pwritev2
1458 syz_mount_image$ext4-openat-openat-write$P9_RREADLINK-sendfile-ioctl$VFAT_IOCTL_READDIR_BOTH-mount-syz_mount_image$vfat-perf_event_open-syz_open_procfs-setfsgid-mkdirat-syz_io_uring_setup-syz_io_uring_submit-perf_event_open-mmap$IORING_OFF_CQ_RING-unlinkat-open
222 setresgid-setfsgid
132 setfsgid-setfsgid
51 setfsgid