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Description of problem: $ sudo coredumpctl gdb PID: 21302 (php-fpm) UID: 0 (root) GID: 0 (root) Signal: 11 (SEGV) Timestamp: Sun 2017-10-15 19:02:56 +05 (48min ago) Command Line: /usr/sbin/php-fpm --nodaemonize Executable: /usr/sbin/php-fpm Control Group: /system.slice/php-fpm.service Unit: php-fpm.service Slice: system.slice Boot ID: de62dd2f0afb4d71b6864d503ba2a7d0 Machine ID: d07bbde21f124e5d9ea60b6b850217ae Hostname: localhost.localdomain Storage: /var/lib/systemd/coredump/core.php-fpm.0.de62dd2f0afb4d71b6864d503ba2a7d0.21302.1508076176000000.lz4 Message: Process 21302 (php-fpm) of user 0 dumped core. Stack trace of thread 21302: #0 0x00007fb3b1a8a48e pthread_rwlock_init (libpthread.so.0) #1 0x00007fb39fc0b480 apc_lock_create (apcu.so) #2 0x00007fb39fc0ff34 apc_sma_api_init (apcu.so) #3 0x00007fb39fc0c3b7 zm_startup_apcu (apcu.so) #4 0x000055f57b12de94 zend_startup_module_ex (php-fpm) #5 0x000055f57b12df6c zend_startup_module_zval (php-fpm) #6 0x000055f57b13b93a zend_hash_apply (php-fpm) #7 0x000055f57b12e25a zend_startup_modules (php-fpm) #8 0x000055f57b0c595b php_module_startup (php-fpm) #9 0x000055f57b1d9695 php_cgi_startup (php-fpm) #10 0x000055f57af9d160 main (php-fpm) #11 0x00007fb3b1ec103a __libc_start_main (libc.so.6) #12 0x000055f57af9e63a _start (php-fpm) (gdb) thread apply all bt Thread 1 (Thread 0x7fb3b514ad00 (LWP 21302)): #0 __pthread_rwlock_init (rwlock=rwlock@entry=0xffffffffffffffff, attr=attr@entry=0x7fb39fe186c8 <apc_lock_attr>) at pthread_rwlock_init.c:39 #1 0x00007fb39fc0b480 in apc_lock_create (lock=lock@entry=0xffffffffffffffff) at /usr/src/debug/php-pecl-apcu-5.1.8-4.fc27.x86_64/NTS/apc_lock.c:177 #2 0x00007fb39fc0ff34 in apc_sma_api_init (sma=0x7fb39fe182a0 <apc_sma>, data=<optimized out>, expunge=<optimized out>, num=<optimized out>, size=<optimized out>, mask=<optimized out>) at /usr/src/debug/php-pecl-apcu-5.1.8-4.fc27.x86_64/NTS/apc_sma.c:323 #3 0x00007fb39fc0c3b7 in zm_startup_apcu (type=<optimized out>, module_number=51) at /usr/src/debug/php-pecl-apcu-5.1.8-4.fc27.x86_64/NTS/php_apc.c:237 #4 0x000055f57b12de94 in zend_startup_module_ex (module=0x55f57c2ab7f0) at /usr/src/debug/php-7.1.11~RC1-1.fc27.x86_64/Zend/zend_API.c:1843 #5 0x000055f57b12df6c in zend_startup_module_zval (zv=<optimized out>) at /usr/src/debug/php-7.1.11~RC1-1.fc27.x86_64/Zend/zend_API.c:1858 #6 0x000055f57b13b93a in zend_hash_apply (ht=ht@entry=0x55f57b533be0 <module_registry>, apply_func=apply_func@entry=0x55f57b12df60 <zend_startup_module_zval>) at /usr/src/debug/php-7.1.11~RC1-1.fc27.x86_64/Zend/zend_hash.c:1507 #7 0x000055f57b12e25a in zend_startup_modules () at /usr/src/debug/php-7.1.11~RC1-1.fc27.x86_64/Zend/zend_API.c:1969 #8 0x000055f57b0c595b in php_module_startup (sf=<optimized out>, additional_modules=<optimized out>, num_additional_modules=<optimized out>) at /usr/src/debug/php-7.1.11~RC1-1.fc27.x86_64/main/main.c:2300 #9 0x000055f57b1d9695 in php_cgi_startup (sapi_module=<optimized out>) at /usr/src/debug/php-7.1.11~RC1-1.fc27.x86_64/sapi/fpm/fpm/fpm_main.c:838 #10 0x000055f57af9d160 in main (argc=2, argv=0x7ffd7bb06568) at /usr/src/debug/php-7.1.11~RC1-1.fc27.x86_64/sapi/fpm/fpm/fpm_main.c:1810 (gdb)
Isn't it something
(In reply to George Nikandrov from comment #1) > Isn't it something Sorry. Isn't is something that rather should be reported to selinux-policy? php-fpm starts up just fine if I do # setenforce 0 && systemctl start php-fpm.service && setenforce 1
*** Bug 1491503 has been marked as a duplicate of this bug. ***
Indeed we have a AVC in audit.log type=AVC msg=audit(1510739045.320:324): avc: denied { map } for pid=6597 comm="php-fpm" path=2F746D702F6170632E656C37596B31202864656C6574656429 dev="tmpfs" ino=75782 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:httpd_tmp_t:s0 tclass=file permissive=0
Reaffecting to selinux, as this is something wrong with default F27 policy
Reproducer: dnf install php-fpm php-pecl-apcu systemctl start php-fpm
*** Bug 1513816 has been marked as a duplicate of this bug. ***
selinux-policy-3.13.1-283.16.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2017-5178e6a393
selinux-policy-3.13.1-283.16.fc27 has been pushed to the Fedora 27 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-5178e6a393
selinux-policy-3.13.1-283.16.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.