Running version: 1.2.11#pip
Python version: 2.7.15+
Operating system: Linux-3.10.61-10994289-aarch64-with-Kali-kali-rolling-kali-rolling
Command line: /usr/local/bin/sqlmap -o -u ********************************************* --current-user --current-db --no-cast --random-agent --eta --level=5 --os-pwn
Technique: ERROR
Back-end DBMS: Microsoft SQL Server (fingerprinted)

Traceback (most recent call last):
  File "sqlmap.py", line 164, in main
    start()
  File "lib/core/decorators.py", line 34, in _
    result = f(*args, **kwargs)
  File "lib/controller/controller.py", line 658, in start
    action()
  File "lib/controller/action.py", line 157, in action
    conf.dbmsHandler.osPwn()
  File "plugins/generic/takeover.py", line 138, in osPwn
    fp = open(sysIgnoreIcmp, "wb")
IOError: [Errno 13] Permission denied: '/proc/sys/net/ipv4/icmp_echo_ignore_all'