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It comes from the opcache of PHP7.
The default config of it is:
; Enables or disables copying of PHP code (text segment) into HUGE PAGES.
; This should improve performance, but requires appropriate OS configuration.
opcache.huge_code_pages=1
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2016-2283.html
Description of problem: When using PHP7 under RHEL gen7, then an SELinux Version-Release number of selected component (if applicable): selinux-policy-targeted-3.13.1-60.el7_2.3.noarch How reproducible: Run php7 in fpm mode. Actual results: type=SYSCALL msg=audit(1458404646.353:88331): arch=c000003e syscall=9 success=no exit=-13 a0=0 a1=8000000 a2=3 a3=40021 items=0 ppid=1 pid=2611 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="php-fpm" exe="/opt/remi/php70/root/usr/sbin/php-fpm" subj=system_u:system_r:httpd_t:s0 key=(null) type=AVC msg=audit(1458404871.831:88338): avc: denied { write } for pid=2685 comm="php-fpm" path=2F616E6F6E5F6875676570616765202864656C6574656429 dev="hugetlbfs" ino=3811400 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:hugetlbfs_t:s0 tclass=file Expected results: Working php7 Additional info: Needed policy: module phpfpm 1.0; require { type httpd_t; type hugetlbfs_t; class file write; } #============= httpd_t ============== allow httpd_t hugetlbfs_t:file write;