カテゴリー: Oracle Linux / CentOS / RHEL

[root@retoge ~]# systemctl status php-fpm|cat
● php-fpm.service - The PHP FastCGI Process Manager
   Loaded: loaded (/usr/lib/systemd/system/php-fpm.service; disabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Thu 2021-11-18 09:25:41 JST; 16s ago
  Process: 482320 ExecStart=/usr/sbin/php-fpm --nodaemonize (code=exited, status=127)
 Main PID: 482320 (code=exited, status=127)

Nov 18 09:25:41 retoge systemd[1]: Starting The PHP FastCGI Process Manager...
Nov 18 09:25:41 retoge php-fpm[482320]: /usr/sbin/php-fpm: error while loading shared libraries: cannot restore segment prot after reloc: Permission denied
Nov 18 09:25:41 retoge systemd[1]: php-fpm.service: Main process exited, code=exited, status=127/n/a
Nov 18 09:25:41 retoge systemd[1]: php-fpm.service: Failed with result 'exit-code'.
Nov 18 09:25:41 retoge systemd[1]: Failed to start The PHP FastCGI Process Manager.
[root@retoge ~]#

type=AVC msg=audit(1637195141.234:5827): avc:  denied  { execmod } for  pid=482320 comm="php-fpm" path="/usr/sbin/php-fpm" dev="dm-0" ino=369761 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:httpd_exec_t:s0 tclass=file permissive=0

type=SERVICE_START msg=audit(1637195141.238:5828): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=php-fpm comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'^]UID="root" AUID="unset"

[root@retoge ~]# ls -lZ /usr/sbin/php-fpm
-rwxr-xr-x. 1 root root system_u:object_r:httpd_exec_t:s0 4656056 Oct 12 18:47 /usr/sbin/php-fpm
[root@retoge ~]# restorecon -R -v /usr/sbin
[root@retoge ~]# ls -lZ /usr/sbin/php-fpm
-rwxr-xr-x. 1 root root system_u:object_r:httpd_exec_t:s0 4656056 Oct 12 18:47 /usr/sbin/php-fpm
[root@retoge ~]# ls -lZ /usr/lib/systemd/systemd
-rwxr-xr-x. 1 root root system_u:object_r:init_exec_t:s0 1528680 Nov 11 09:41 /usr/lib/systemd/systemd
[root@retoge ~]# restorecon -R -v /usr/lib
[root@retoge ~]# ls -lZ /usr/lib/systemd/systemd
-rwxr-xr-x. 1 root root system_u:object_r:init_exec_t:s0 1528680 Nov 11 09:41 /usr/lib/systemd/systemd
[root@retoge ~]#

[root@retoge ~]# getsebool httpd_execmem
httpd_execmem --> off
[root@retoge ~]# setsebool -P httpd_execmem on
[root@retoge ~]# getsebool httpd_execmem
httpd_execmem --> on
[root@retoge ~]# 

[root@retoge ~]# systemctl start php-fpm
Job for php-fpm.service failed because the control process exited with error code.
See "systemctl status php-fpm.service" and "journalctl -xe" for details.
[root@retoge ~]# systemctl restart httpd
[root@retoge ~]# systemctl start php-fpm
Job for php-fpm.service failed because the control process exited with error code.
See "systemctl status php-fpm.service" and "journalctl -xe" for details.
[root@retoge ~]#

[root@retoge ~]# ausearch -m AVC |grep php| audit2allow


#============= httpd_t ==============

#!!!! This avc is allowed in the current policy
allow httpd_t http_port_t:tcp_socket name_connect;
allow httpd_t httpd_exec_t:file execmod;

#!!!! This avc can be allowed using the boolean 'httpd_unified'
allow httpd_t httpd_sys_content_t:dir write;

#!!!! This avc can be allowed using the boolean 'httpd_unified'
allow httpd_t httpd_sys_content_t:file write;
[root@retoge ~]#

[root@retoge ~]# ausearch -m AVC |grep php| audit2allow -M php-fpm
******************** IMPORTANT ***********************
To make this policy package active, execute:

semodule -i php-fpm.pp

[root@retoge ~]# ls -l php-fpm*
-rw-r--r--. 1 root root 1594 Nov 18 09:51 php-fpm.pp
-rw-r--r--. 1 root root  597 Nov 18 09:51 php-fpm.te
[root@retoge ~]#

[root@retoge ~]# semodule -l |grep php
[root@retoge ~]# semodule -i php-fpm.pp
[root@retoge ~]# semodule -l |grep php
php-fpm
[root@retoge ~]#

[root@retoge ~]# systemctl start php-fpm
[root@retoge ~]# systemctl status php-fpm
● php-fpm.service - The PHP FastCGI Process Manager
   Loaded: loaded (/usr/lib/systemd/system/php-fpm.service; disabled; vendor preset: disabled)
   Active: active (running) since Thu 2021-11-18 09:53:45 JST; 5s ago
 Main PID: 489019 (php-fpm)
   Status: "Ready to handle connections"
    Tasks: 6 (limit: 36876)
   Memory: 24.1M
   CGroup: /system.slice/php-fpm.service
           tq489019 php-fpm: master process (/etc/php-fpm.conf)
           tq489020 php-fpm: pool www
           tq489021 php-fpm: pool www
           tq489022 php-fpm: pool www
           tq489023 php-fpm: pool www
           mq489024 php-fpm: pool www

Nov 18 09:53:45 retoge systemd[1]: Starting The PHP FastCGI Process Manager...
Nov 18 09:53:45 retoge systemd[1]: Started The PHP FastCGI Process Manager.
[root@retoge ~]#

[root@retoge ~]# getsebool httpd_execmem
httpd_execmem --> off
[root@retoge ~]# setsebool -P httpd_execmem on
[root@retoge ~]# getsebool httpd_execmem
httpd_execmem --> on
[root@retoge ~]# ausearch -m AVC |grep php |audit2allow


#============= httpd_t ==============
allow httpd_t httpd_exec_t:file execmod;
[root@retoge ~]# ausearch -m AVC |grep php |audit2allow -M php-fpm
******************** IMPORTANT ***********************
To make this policy package active, execute:

semodule -i php-fpm.pp
[root@retoge ~]# semodule -i php-fpm.pp
[root@retoge ~]# systemctl start php-fpm
[root@retoge ~]#