Corpus for accept4:

Coverage	Program
1240	ioctl$BTRFS_IOC_QGROUP_LIMIT-perf_event_open-socket$inet-fcntl$dupfd-sendto-io_submit-syz_init_net_socket$bt_hci-bind$bt_hci-ioctl$INCFS_IOC_CREATE_FILE-ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL-ioctl$BTRFS_IOC_SNAP_CREATE_V2-accept4-close_range-keyctl$KEYCTL_MOVE
583	socket$unix-bind$unix-fcntl$setstatus-listen-accept4
390	socket$unix-bind$unix-listen-socket$unix-connect$unix-close_range-accept4
306	syz_init_net_socket$bt_l2cap-bind$bt_l2cap-listen-accept4