Corpus for pivot_root:

Coverage	Program
1342	syz_mount_image$iso9660-mount-chroot-umount2-pivot_root
1026	syz_mount_image$iso9660-chroot-mount-pivot_root
579	syz_mount_image$tmpfs-perf_event_open-pivot_root
572	syz_mount_image$tmpfs-mount$9p_fd-syz_mount_image$tmpfs-pivot_root
522	syz_mount_image$iso9660-mount-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-pivot_root
515	syz_mount_image$tmpfs-prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-pivot_root
503	syz_mount_image$tmpfs-pivot_root
497	syz_mount_image$vfat-mount$bind-pivot_root
491	syz_mount_image$ext4-pivot_root
437	syz_mount_image$iso9660-pivot_root
307	perf_event_open-pivot_root
292	unlinkat-pivot_root
23	socket$nl_xfrm-getsockopt$sock_cred-setuid-pivot_root