Bug #70818 [Com]: Segmentation fault $php_fpm_BIN --daemonize $php_opts

From: Date: Mon, 30 Nov 2015 01:26:57 +0000
Subject: Bug #70818 [Com]: Segmentation fault $php_fpm_BIN --daemonize $php_opts
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-197502@lists.php.net to get a copy of this message
Edit report at https://bugs.php.net/bug.php?id=70818&edit=1

 ID:                 70818
 Comment by:         apircalabu at gmail dot com
 Reported by:        nguyentu dot me at outlook dot com
 Summary:            Segmentation fault      $php_fpm_BIN --daemonize
                     $php_opts
 Status:             Open
 Type:               Bug
 Package:            opcache
 Operating System:   CentOS 6
 PHP Version:        7.0.0RC6
 Block user comment: N
 Private report:     N

 New Comment:

CentOS 6 64bit with RC8 installed.

php70-php-opcache-7.0.0-0.25.RC8.el6.remi.x86_64

Core was generated by `/opt/remi/php70/root/usr/bin/php -v'.
Program terminated with signal 11, Segmentation fault.
#0  zend_llist_del_element (l=0x9dc8e0, element=0x0, compare=0x7fcb85d40590
<accelerator_remove_cb>) at /usr/src/debug/php-7.0.0RC8/Zend/zend_llist.c:91
91	{
Missing separate debuginfos, use: debuginfo-install GeoIP-1.6.5-1.el6.x86_64
ImageMagick-last-libs-6.9.2.6-1.el6.remi.x86_64 aspell-0.60.6-12.el6.x86_64
audit-libs-2.3.7-5.el6.x86_64 bzip2-libs-1.0.5-7.el6_0.x86_64
cyrus-sasl-lib-2.1.23-15.el6_6.2.x86_64 db4-4.7.25-20.el6_7.x86_64 enchant-1.5.0-5.el6.x86_64
expat-2.0.1-11.el6_2.x86_64 fastlz-0.1.0-0.1.20070619svnrev12.el6.remi.x86_64
fftw-3.2.1-3.1.el6.x86_64 fontconfig-2.8.0-5.el6.x86_64 freetype-2.3.11-15.el6_6.1.x86_64
gd-last-2.1.1-2.el6.remi.x86_64 glib2-2.28.8-4.el6.x86_64 gmp-4.3.1-7.el6_2.2.x86_64
keyutils-libs-1.4-5.el6.x86_64 lcms2-2.3-2.el6.x86_64 libICE-1.0.6-1.el6.x86_64
libSM-1.2.1-2.el6.x86_64 libX11-1.6.0-6.el6.x86_64 libXau-1.0.6-4.el6.x86_64
libXext-1.3.2-2.1.el6.x86_64 libXpm-3.5.10-2.el6.x86_64 libXt-1.1.4-6.1.el6.x86_64
libc-client-2007e-11.el6.x86_64 libcurl-7.19.7-46.el6.x86_64 libedit-2.11-4.20080712cvs.1.el6.x86_64
libgcrypt-1.4.5-11.el6_4.x86_64 libgpg-error-1.7-4.el6.x86_64 libicu-last-50.1.2-11.el!
 6.remi.x86_64 libidn-1.18-2.el6.x86_64 libjpeg-turbo-1.2.1-3.el6_5.x86_64
libmcrypt-2.5.8-9.el6.x86_64 libmemcached-1.0.17-1.rhel6.x86_64 libpng-1.2.49-1.el6_2.x86_64
libselinux-2.0.94-5.8.el6.x86_64 libssh2-1.4.2-1.el6_6.1.x86_64
libtidy-0.99.0-19.20070615.1.el6.x86_64 libtiff-3.9.4-10.el6_5.x86_64
libtool-ltdl-2.2.6-15.5.el6.x86_64 libuuid-2.17.2-12.18.el6.x86_64 libvpx-1.3.0-5.el6_5.x86_64
libxcb-1.9.1-3.el6.x86_64 libxslt-1.1.26-2.el6_3.1.x86_64 libzip-last-1.0.1-1.el6.remi.x86_64
net-snmp-libs-5.5-54.el6_7.1.x86_64 nspr-4.10.8-2.el6_7.x86_64 nss-3.19.1-5.el6_7.x86_64
nss-util-3.19.1-2.el6_7.x86_64 openldap-2.4.40-7.el6_7.x86_64 pam-1.1.1-20.el6_7.1.x86_64
php70-php-pecl-apcu-5.1.0-1.el6.remi.x86_64 php70-php-pecl-geoip-1.1.0-9.el6.remi.x86_64
php70-php-pecl-imagick-3.3.0-0.6.20150930gitfccdde3.el6.remi.x86_64
php70-php-pecl-memcached-2.2.0-11.20150628git3c79a97.el6.remi.x86_64
php70-php-pecl-msgpack-2.0.0-1.el6.remi.x86_64 php70-php-pecl-uploadprogress-1.0.3.1-11.el6.r!
 emi.x86_64 php70-php-pecl-uuid-1.0.4-6.el6.remi.x86_64 php70-p!
 hp-pecl-zip-1.13.1-3.el6.remi.x86_64 postgresql93-libs-9.3.10-1PGDG.rhel6.x86_64
sqlite-3.6.20-1.el6_7.2.x86_64 tokyocabinet-1.4.33-6.el6.x86_64 unixODBC-2.2.14-14.el6.x86_64
(gdb) bt
#0  zend_llist_del_element (l=0x9dc8e0, element=0x0, compare=0x7fcb85d40590
<accelerator_remove_cb>) at /usr/src/debug/php-7.0.0RC8/Zend/zend_llist.c:91
#1  0x00007fcb85d425b1 in zps_startup_failure (extension=<value optimized out>) at
/usr/src/debug/php-7.0.0RC8/ext/opcache/ZendAccelerator.c:2336
#2  accel_startup (extension=<value optimized out>) at
/usr/src/debug/php-7.0.0RC8/ext/opcache/ZendAccelerator.c:2621
#3  0x00000000005edbb1 in zend_extension_startup (extension=0x28a0190) at
/usr/src/debug/php-7.0.0RC8/Zend/zend_extensions.c:176
#4  0x00000000005d7123 in zend_llist_apply_with_del (l=0x9dc8e0, func=0x5edba0
<zend_extension_startup>) at /usr/src/debug/php-7.0.0RC8/Zend/zend_llist.c:171
#5  0x00000000005edb97 in zend_startup_extensions () at
/usr/src/debug/php-7.0.0RC8/Zend/zend_extensions.c:197
#6  0x0000000000585815 in php_module_startup (sf=<value optimized out>,
additional_modules=<value optimized out>, num_additional_modules=<value optimized out>)
at /usr/src/debug/php-7.0.0RC8/main/main.c:2197
#7  0x00000000006761bd in php_cli_startup (sapi_module=<value optimized out>) at
/usr/src/debug/php-7.0.0RC8/sapi/cli/php_cli.c:423
#8  0x00000000006778e1 in main (argc=2, argv=0x28589e0) at
/usr/src/debug/php-7.0.0RC8/sapi/cli/php_cli.c:1325


Previous Comments:
------------------------------------------------------------------------
[2015-11-02 10:11:22] nguyentu dot me at outlook dot com

try with the following os

CentOS 7 ok
Ubuntu 12.04 ok
FreeBSD ok

CentOS 6 fail

------------------------------------------------------------------------
[2015-11-02 08:53:41] pei dot greet at qq dot com

Reading symbols from /usr/lib64/libsmime3.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib64/libsmime3.so
Reading symbols from /usr/lib64/libnss3.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib64/libnss3.so
Reading symbols from /usr/lib64/libnssutil3.so...(no debugging symbols found)...done.
Loaded symbols for /usr/lib64/libnssutil3.so
Reading symbols from /lib64/libplds4.so...(no debugging symbols found)...done.
Loaded symbols for /lib64/libplds4.so
Reading symbols from /lib64/libplc4.so...(no debugging symbols found)...done.
Loaded symbols for /lib64/libplc4.so
Reading symbols from /lib64/libnspr4.so...(no debugging symbols found)...done.
Loaded symbols for /lib64/libnspr4.so
Reading symbols from /usr/lib64/libssh2.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib64/libssh2.so.1
Reading symbols from /lib64/liblber-2.4.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/liblber-2.4.so.2
more info with gdb
--------------------------------

Reading symbols from /usr/lib64/libsasl2.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib64/libsasl2.so.2
Reading symbols from /lib64/libkrb5support.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib64/libkrb5support.so.0
Reading symbols from /lib64/libkeyutils.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libkeyutils.so.1
Reading symbols from /lib64/libselinux.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libselinux.so.1
Reading symbols from /opt/php7/lib/php/extensions/no-debug-non-zts-20151012/opcache.so...done.
Loaded symbols for /opt/php7/lib/php/extensions/no-debug-non-zts-20151012/opcache.so
Reading symbols from /opt/php7/lib/php/extensions/no-debug-non-zts-20151012/yaf.so...done.
Loaded symbols for /opt/php7/lib/php/extensions/no-debug-non-zts-20151012/yaf.so
Core was generated by `/opt/php7/sbin/php-fpm --daemonize --fpm-config /opt/php7/etc/php-fpm.conf
--pi'.
Program terminated with signal 11, Segmentation fault.
#0  0x00000033f0729008 in __strcmp_sse42 () from /lib64/libc.so.6
Missing separate debuginfos, use: debuginfo-install cyrus-sasl-lib-2.1.23-15.el6_6.2.x86_64
freetype-2.3.11-15.el6_6.1.x86_64 glibc-2.12-1.149.el6_6.7.x86_64 keyutils-libs-1.4-5.el6.x86_64
krb5-libs-1.10.3-37.el6_6.x86_64 libcom_err-1.41.12-21.el6.x86_64 libcurl-7.19.7-40.el6_6.4.x86_64
libidn-1.18-2.el6.x86_64 libjpeg-turbo-1.2.1-3.el6_5.x86_64 libpng-1.2.49-1.el6_2.x86_64
libselinux-2.0.94-5.8.el6.x86_64 libssh2-1.4.2-1.el6.x86_64 libtool-ltdl-2.2.6-15.5.el6.x86_64
libxml2-2.7.6-17.el6_6.1.x86_64 nspr-4.10.0-1.el6.x86_64 nss-3.15.1-15.el6.x86_64
nss-softokn-freebl-3.14.3-22.el6_6.x86_64 nss-util-3.15.1-3.el6.x86_64 openldap-2.4.39-8.el6.x86_64
openssl-1.0.1e-30.el6.8.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) bt
#0  0x00000033f0729008 in __strcmp_sse42 () from /lib64/libc.so.6
#1  0x00007ffdba9422a9 in accel_find_sapi (extension=<value optimized out>)
    at /data/src/php-src-php-7.0.0RC6/ext/opcache/ZendAccelerator.c:2355
#2  accel_startup (extension=<value optimized out>) at
/data/src/php-src-php-7.0.0RC6/ext/opcache/ZendAccelerator.c:2613
#3  0x0000000000814d41 in zend_extension_startup (extension=0x203a5f0) at
/data/src/php-src-php-7.0.0RC6/Zend/zend_extensions.c:176
#4  0x00000000007fe6b3 in zend_llist_apply_with_del (l=0x11621a0, func=0x814d30
<zend_extension_startup>)
    at /data/src/php-src-php-7.0.0RC6/Zend/zend_llist.c:171
#5  0x0000000000814d27 in zend_startup_extensions () at
/data/src/php-src-php-7.0.0RC6/Zend/zend_extensions.c:197
#6  0x00000000007adeda in php_module_startup (sf=<value optimized out>,
additional_modules=<value optimized out>, 
    num_additional_modules=<value optimized out>) at
/data/src/php-src-php-7.0.0RC6/main/main.c:2197
#7  0x00000000008a70d5 in php_cgi_startup (sapi_module=<value optimized out>)
    at /data/src/php-src-php-7.0.0RC6/sapi/fpm/fpm/fpm_main.c:837
#8  0x00000000008a794e in main (argc=6, argv=0x7fff549397c8) at
/data/src/php-src-php-7.0.0RC6/sapi/fpm/fpm/fpm_main.c:1788

------------------------------------------------------------------------
[2015-11-02 08:30:10] pei dot greet at qq dot com

I got the same error in CentOs6.5
------------------------
gdb /opt/php7/sbin/php-fpm /var/log/php-fpm.core.33381
GNU gdb (GDB) Red Hat Enterprise Linux (7.2-83.el6)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /opt/php7/sbin/php-fpm...done.
BFD: Warning: /var/log/php-fpm.core.33381 is truncated: expected core file size >= 6447104,
found: 1130496.
[New Thread 33381]
Cannot access memory at address 0x33f0421168
Cannot access memory at address 0x33f0421168
Cannot access memory at address 0x33f0421168
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Failed to read a valid object file image from memory.
Core was generated by `/opt/php7/sbin/php-fpm --daemonize --fpm-config /opt/php7/etc/php-fpm.conf
--pi'.
Program terminated with signal 11, Segmentation fault.
#0  0x00000033f0729008 in ?? ()
Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.149.el6_6.7.x86_64
---------------------------------

------------------------------------------------------------------------
[2015-10-30 23:21:23] nguyentu dot me at outlook dot com

Hi,

I use the services of DigitalOcean" vs VULTR. I've rebuilt the VPS several times to test
it again, but all failed.

If you want I'm very pleased to send you a VPS with SSH root account. Thank you!

------------------------------------------------------------------------
[2015-10-30 17:30:45] kalle@php.net

Hi

Can you try to do a completely fresh build, as in rebuilding from scratch and clearing all temp
files and make sure paths are clean?

The backtraces are rather strange, and like Xinchen mentions, this seems like a build issue.
Especially the first (non debug bt) is rather odd, as it should not be able to fail at all, and then
later in the debug build, it passes that point with no problem. The second bt tells me there is a
symbol loading issue, which should not be possible as the zend_hash_init function and co, are
already imported from an include in zend.h

------------------------------------------------------------------------


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