[Bug 1444495] [NEW] php5-fpm crashed with SIGSEGV in zend_std_object_get_class()

[Maxxer]

Public bug reported:

i'm using php5-fpm via apache2.
quite often I get crashes like this, maybe when I use incorrect methods or cause exceptions in the code.

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: php5-fpm 5.6.4+dfsg-4ubuntu5
ProcVersionSignature: Ubuntu 3.19.0-14.14-generic 3.19.3
Uname: Linux 3.19.0-12-generic x86_64
ApportVersion: 2.17.1-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Thu Apr  9 15:01:17 2015
ExecutablePath: /usr/sbin/php5-fpm
InstallationDate: Installed on 2015-04-04 (10 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
ProcCmdline: php-fpm:\ pool\ www
ProcEnviron:
 
SegvAnalysis:
 Segfault happened at: 0x72ef48 <zend_std_object_get_class+24>:	mov    (%rax),%rax
 PC (0x0072ef48) ok
 source "(%rax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: php5
StacktraceTop:
 zend_std_object_get_class ()
 ?? ()
 zend_error_noreturn ()
 php_default_post_reader ()
 sapi_activate ()
Title: php5-fpm crashed with SIGSEGV in zend_std_object_get_class()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
 
modified.conffile..etc.php5.fpm.pool.d.www.conf: [modified]
mtime.conffile..etc.php5.fpm.pool.d.www.conf: 2015-04-05T08:23:06.921672

** Affects: php5 (Ubuntu)
     Importance: Medium
         Status: New


** Tags: amd64 apport-crash vivid

** Information type changed from Private to Public

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Title:
  php5-fpm crashed with SIGSEGV in zend_std_object_get_class()

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