Corpus for move_mount:

Coverage	Program
2753	getpgrp-perf_event_open-ptrace$PTRACE_SECCOMP_GET_METADATA-move_mount-getpgrp-openat-mmap-perf_event_open-openat-ioctl$FIBMAP-openat-ioctl$AUTOFS_DEV_IOCTL_CATATONIC-perf_event_open-lsetxattr$trusted_overlay_opaque-openat-write$binfmt_elf64-ioctl$FIBMAP
1378	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-move_mount
1300	perf_event_open-move_mount
559	syz_mount_image$tmpfs-mknodat$loop-move_mount
511	syz_open_procfs-move_mount
479	syz_mount_image$ext4-move_mount
41	stat-setresuid-move_mount