Corpus for fsopen:

Coverage	Program
2110	openat$vcsu-fsopen-syz_open_dev$loop-openat$cgroup_procs-getpgrp-kcmp-close_range-perf_event_open-sync
1679	openat-mmap-fsopen
1310	connect$inet6-perf_event_open-ioctl$BTRFS_IOC_START_SYNC-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fcntl$dupfd-openat$hwrng-ioctl$FS_IOC_RESVSP-ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT-mmap-perf_event_open-socket$inet6_icmp_raw-fsconfig$FSCONFIG_SET_FLAG-ioctl$sock_SIOCGIFINDEX-syz_io_uring_setup-ioctl$AUTOFS_DEV_IOCTL_PROTOVER
1023	fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fsconfig$FSCONFIG_CMD_CREATE
411	fsopen-fcntl$F_SET_RW_HINT
393	perf_event_open-fsopen
345	fsopen-socket$netlink-dup3
343	fsopen
73	fsopen
41	stat-setreuid-fsopen