Corpus for pivot_root:

Coverage	Program
7298	perf_event_open-syz_open_procfs-preadv-perf_event_open-syz_mount_image$iso9660-mount-pivot_root
5102	syz_mount_image$iso9660-mount-perf_event_open-pivot_root
4891	syz_mount_image$iso9660-chroot-mount-pivot_root
4131	syz_mount_image$iso9660-mount-prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-pivot_root
4050	syz_mount_image$nfs-syz_mount_image$tmpfs-newfstatat-setresuid-pivot_root
3957	syz_mount_image$tmpfs-mount$bind-syz_mount_image$tmpfs-pivot_root
2803	creat-ioctl$EVIOCGABS20-ioctl$TCSETAW-sched_setaffinity-perf_event_open-fcntl$getownex-creat-ioctl$LOOP_CTL_ADD-getuid-mount$9p_fd-openat$loop_ctrl-ioctl$LOOP_CTL_REMOVE-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_ADD-ioctl$LOOP_CTL_REMOVE-pivot_root-open-getpgrp-perf_event_open-ioctl$BTRFS_IOC_BALANCE_V2
1284	perf_event_open-syz_mount_image$iso9660-mount-pivot_root
540	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_mount_image$iso9660-mount-pivot_root
522	syz_mount_image$tmpfs-mount$9p_unix-pivot_root
484	syz_mount_image$iso9660-mount-syz_mount_image$tmpfs-syz_mount_image$tmpfs-pivot_root
475	syz_mount_image$tmpfs-mount$bind-syz_mount_image$tmpfs-pivot_root
456	syz_mount_image$tmpfs-mount$9p_fd-syz_mount_image$tmpfs-pivot_root
420	syz_mount_image$tmpfs-pivot_root
257	pivot_root