Bug #69547 [Opn]: php-fpm segfault (reproducible)

From: Date: Tue, 19 May 2015 09:59:59 +0000
Subject: Bug #69547 [Opn]: php-fpm segfault (reproducible)
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-192750@lists.php.net to get a copy of this message 
Edit report at https://bugs.php.net/bug.php?id=69547&edit=1

 ID:                 69547
 User updated by:    waldner at katamail dot com
 Reported by:        waldner at katamail dot com
 Summary:            php-fpm segfault (reproducible)
 Status:             Open
 Type:               Bug
 Package:            FPM related
 Operating System:   Debian wheezy
-PHP Version:        5.6.8
+PHP Version:        5.6.9
 Block user comment: N
 Private report:     N

 New Comment:

This happens with 5.6.9 as well.


Previous Comments:
------------------------------------------------------------------------
[2015-04-30 09:02:04] waldner at katamail dot com

Making seemingly random changes to php.ini sometimes fixes the problem, for example changing

error_log = "/dev/null"

to

error_log = "/tmp/a.log"

or commenting out the line

browscap = /etc/browscap.ini

makes it work. Still (or even more because of this), looks like memory corruption.

------------------------------------------------------------------------
[2015-04-29 15:55:15] waldner at katamail dot com

Happens also via TCP socket (127.0.0.1:9000).

------------------------------------------------------------------------
[2015-04-29 15:45:21] waldner at katamail dot com

php -m:

[PHP Modules]
apc
apcu
bcmath
bz2
calendar
Core
ctype
curl
date
dba
dom
ereg
exif
fileinfo
filter
ftp
gd
gettext
gmp
hash
iconv
imagick
intl
json
libxml
mbstring
mcrypt
mhash
mysql
mysqli
mysqlnd
openssl
pcntl
pcre
PDO
pdo_mysql
Phar
posix
readline
Reflection
session
shmop
SimpleXML
soap
sockets
SPL
standard
sysvmsg
sysvsem
sysvshm
tidy
tokenizer
wddx
xml
xmlreader
xmlrpc
xmlwriter
xsl
Zend OPcache
zip
zlib

[Zend Modules]
Zend OPcache

------------------------------------------------------------------------
[2015-04-29 15:44:30] waldner at katamail dot com

/etc/php5/fpm/php-fpm.conf:
[global]
pid = /run/php5-fpm.pid
error_log = /var/log/php5-fpm.log 
include=/etc/php5/fpm/pool.d/*.conf

/etc/php5/fpm/pool.d/www.conf:

[www]
user = www-data
group = www-data
listen = /var/run/php5-fpm.sock
listen.owner = www-data
listen.group = www-data
 
pm = static
pm.max_children = 1
pm.start_servers = 1
pm.min_spare_servers = 1
pm.max_spare_servers = 1

chdir = /

------------------------------------------------------------------------
[2015-04-29 15:42:22] waldner at katamail dot com

/etc/php5/fpm/php.ini:

[PHP]
engine = On
zend.ze1_compatibility_mode = Off
zend.enable_gc = On
short_open_tag = On
asp_tags = Off
precision    =  14
y2k_compliance = On
output_buffering = 4096
zlib.output_compression = Off
implicit_flush = Off
unserialize_callback_func=
serialize_precision = 17
allow_call_time_pass_reference = Off
safe_mode = Off
safe_mode_gid = Off
safe_mode_include_dir =
safe_mode_exec_dir =
safe_mode_allowed_env_vars = PHP_
safe_mode_protected_env_vars = LD_LIBRARY_PATH
disable_functions =
disable_classes =
expose_php = Off
max_execution_time = 90
max_input_time = 90
; workaround for HOT extranet monster-input

max_input_vars = 4000

; workaround end
; Another workaround for session encryption

;
memory_limit = 128M
error_reporting = E_ALL
;& ~E_NOTICE
display_errors = On
display_startup_errors = Off
log_errors = On
log_errors_max_len = 1024
ignore_repeated_errors = Off
ignore_repeated_source = Off
report_memleaks = On
track_errors = Off
error_log = "/dev/null"
;error_log = "/tmp/eee"
variables_order = "GPCS"
register_globals = Off
register_argc_argv = Off
auto_globals_jit = On
post_max_size = 10M
magic_quotes_runtime = Off
magic_quotes_sybase = Off
auto_prepend_file = ""
auto_append_file =
default_mimetype = "text/html"
default_charset = "iso-8859-1"
include_path = ".:/usr/share/php"
doc_root =
user_dir =
enable_dl = On
file_uploads = On
upload_max_filesize = 2M
allow_url_fopen = On
allow_url_include = Off
default_socket_timeout = 90
browscap = /etc/browscap.ini



[mail function]
SMTP = localhost
smtp_port = 25

[Date]
date.timezone = "Europe/Madrid"

[Syslog]
define_syslog_variables  = Off

[SQL]
sql.safe_mode = Off

[MySQL]
mysql.allow_persistent = On
mysql.max_persistent = -1
mysql.max_links = -1
mysql.default_port =
mysql.default_socket = 
mysql.default_host =
mysql.default_user =
mysql.default_password =
mysql.connect_timeout = 60
mysql.trace_mode = Off

[MySQLi]
mysqli.max_links = -1
mysqli.default_port = 3306
mysqli.default_socket = 
mysqli.default_host =
mysqli.default_user =
mysqli.default_pw =
mysqli.reconnect = Off

[bcmath]
bcmath.scale = 0

[Session]
session.save_handler = files

session.use_cookies = 1
session.use_only_cookies = 1
session.name = PHPSESSID
session.auto_start = 0
session.cookie_lifetime = 0
session.cookie_path = /
session.cookie_domain =
session.cookie_httponly = 1
session.serialize_handler = php
session.gc_probability = 1
session.gc_divisor     = 10000
session.gc_maxlifetime = 1800
session.bug_compat_42 = 0
session.bug_compat_warn = 1
session.referer_check =
session.entropy_length = 0
session.entropy_file =
session.cache_limiter = nocache
session.cache_expire = 180
session.use_trans_sid = 0
session.hash_function = 0
session.hash_bits_per_character = 4
url_rewriter.tags = "a=href,area=href,frame=src,input=src,form=fakeentry"

[Tidy]
tidy.clean_output = Off

[soap]
soap.wsdl_cache_enabled=1
soap.wsdl_cache_dir="/tmp/"
soap.wsdl_cache_ttl=86400


[opcache]
opcache.enable=1
opcache.enable_cli=0
opcache.memory_consumption=256
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=7963
opcache.max_wasted_percentage=5
opcache.use_cwd=1
opcache.validate_timestamps=0
opcache.revalidate_freq=2
opcache.revalidate_path=0
opcache.save_comments=1
opcache.load_comments=1
opcache.fast_shutdown=1
opcache.enable_file_override=0
opcache.optimization_level=0xffffffff
opcache.inherited_hack=1
opcache.dups_fix=0
opcache.blacklist_filename=

opcache.max_file_size=0
opcache.consistency_checks=0
opcache.force_restart_timeout=180
opcache.error_log=
opcache.log_verbosity_level=1
opcache.preferred_memory_model=
opcache.protect_memory=None
opcache.mmap_base=

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


The remainder of the comments for this report are too long. To view
the rest of the comments, please view the bug report online at

    https://bugs.php.net/bug.php?id=69547


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Edit this bug report at https://bugs.php.net/bug.php?id=69547&edit=1

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