SCP传输文件报错（Couldn't open /dev/null: Permission denied ）

LoveCamileZZZ

SSH登录开发板没问题，但是SCP传输文件报错Couldn't open /dev/null: Permission denied

SSH打印信息：root@zzz-virtual-machine:~/linux/IMX6ULL/Application_C_Code/15_led# ssh sshd@192.168.2.101
sshd@192.168.2.101's password:
sshd@192:~#pwd
/home/sshd
sshd@192:~#exit
Connection to 192.168.2.101 closed.


SCP打印信息：
root@zzz-virtual-machine:~/linux/IMX6ULL/Application_C_Code/15_led# scp testled sshd@192.168.2.101:/home
sshd@192.168.2.101's password:
Couldn't open /dev/null: Permission denied
lost connection
root@zzz-virtual-machine:~/linux/IMX6ULL/Application_C_Code/15_led# scp testled root@192.168.2.101:/home
root@192.168.2.101's password:
Permission denied, please try again.
root@192.168.2.101's password:
Permission denied, please try again.
root@192.168.2.101's password:
Permission denied (publickey,password,keyboard-interactive).
lost connection

Linux系统/dev/null 信息：
root@zzz-virtual-machine:~/linux/IMX6ULL/Application_C_Code/15_led# ls -l /dev/null
crw-rw-rw- 1 root root 1, 3 5月  30 14:05 /dev/null

ARM /dev/null 信息：
root@192:/home#ls -l /dev/null
crw-rw----    1 root     0           1,   3 Jan  1 00:00 /dev/null