Corpus for add_key$user:

Coverage	Program
847	perf_event_open-add_key$user-add_key$keyring-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$KEYCTL_MOVE
644	perf_event_open-add_key$keyring-keyctl$KEYCTL_RESTRICT_KEYRING-add_key$user
633	add_key$user-add_key$keyring-keyctl$KEYCTL_RESTRICT_KEYRING-keyctl$KEYCTL_MOVE
507	add_key$keyring-keyctl$KEYCTL_RESTRICT_KEYRING-add_key$user
9	add_key$user