Corpus for keyctl$restrict_keyring:

Coverage	Program
4559	perf_event_open-socket$netlink-sendmsg$nl_generic-creat-linkat-perf_event_open-close_range-openat$sr-ioctl$CDROM_NEXT_WRITABLE-syz_io_uring_complete-ioctl$CDROMSTOP-ioctl$CDROM_CHANGER_NSLOTS-add_key$keyring-add_key$keyring-keyctl$restrict_keyring-unshare
3743	perf_event_open-socket$netlink-sendmsg$nl_generic-close_range-openat-preadv-ioctl$FS_IOC_SETFLAGS-perf_event_open-syz_io_uring_complete-ioctl$CDROMSTOP-ioctl$CDROM_CHANGER_NSLOTS-syz_open_dev$tty1-add_key$keyring-sendmsg$nl_generic-pipe-add_key$keyring-keyctl$restrict_keyring
374	add_key$keyring-keyctl$restrict_keyring
336	add_key$keyring-keyctl$restrict_keyring
319	keyctl$restrict_keyring
281	perf_event_open-add_key$keyring-keyctl$restrict_keyring
277	add_key$keyring-perf_event_open-keyctl$restrict_keyring-keyctl$restrict_keyring
263	perf_event_open-add_key$keyring-keyctl$restrict_keyring
218	add_key$fscrypt_v1-keyctl$restrict_keyring
46	keyctl$restrict_keyring
46	keyctl$restrict_keyring