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Bug #54044 fpm fails to respawn php
Submitted: 2011-02-18 11:34 UTC Modified: 2011-10-08 14:27 UTC
From: slim at inbox dot lv Assigned: fat (profile)
Status: Closed Package: FPM related
PHP Version: 5.3.5 OS: linux
Private report: No CVE-ID: None
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From: slim at inbox dot lv
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 [2011-02-18 11:34 UTC] slim at inbox dot lv
Description:
------------
after php segfaults on imap

Core was generated by `php-fpm: pool www                                   '.
Program terminated with signal 9, Killed.
#0  0xaf8b1768 in main_arena () from /lib/libc.so.6
(gdb) bt
#0  0xaf8b1768 in main_arena () from /lib/libc.so.6
#1  0x084f1ac1 in mail_close_full ()
#2  0x081c1633 in mail_close_it (rsrc=0x8d88290) at /var/tmp/portage/dev-lang/php-5.3.5-r100/work/sapis-build/fpm/ext/imap/php_imap.c:606
#3  0x084152b2 in list_entry_destructor (ptr=0x8d88290)
    at /var/tmp/portage/dev-lang/php-5.3.5-r100/work/sapis-build/fpm/Zend/zend_list.c:184
#4  0x08412b03 in zend_hash_apply_deleter (ht=0x8a51cec, p=0x8d48be4)
    at /var/tmp/portage/dev-lang/php-5.3.5-r100/work/sapis-build/fpm/Zend/zend_hash.c:614
#5  0x08412cb1 in zend_hash_graceful_reverse_destroy (ht=0x8a51cec)
    at /var/tmp/portage/dev-lang/php-5.3.5-r100/work/sapis-build/fpm/Zend/zend_hash.c:649
#6  0x08415498 in zend_destroy_rsrc_list (ht=0x8a51cec)
    at /var/tmp/portage/dev-lang/php-5.3.5-r100/work/sapis-build/fpm/Zend/zend_list.c:240
#7  0x0840325e in zend_deactivate () at /var/tmp/portage/dev-lang/php-5.3.5-r100/work/sapis-build/fpm/Zend/zend.c:896
#8  0x0838e532 in php_request_shutdown (dummy=0x0) at /var/tmp/portage/dev-lang/php-5.3.5-r100/work/sapis-build/fpm/main/main.c:1633
#9  0x084db7db in main (argc=3, argv=0xbfe27cd4)
    at /var/tmp/portage/dev-lang/php-5.3.5-r100/work/sapis-build/fpm/sapi/fpm/fpm/fpm_main.c:1665


and is killed by PAX 

Feb 18 11:28:21 w11 kernel: PAX: From 1.0.0.1: execution attempt in: <anonymous mapping>, af8b1000-af8b5000 af8b1000
Feb 18 11:28:21 w11 kernel: PAX: terminating task: /usr/lib/php5.3/bin/php-fpm(php-fpm):16003, uid/euid: 103/103, PC: af8b1768, SP: bfe256dc
Feb 18 11:28:21 w11 kernel: PAX: bytes at PC: 60 17 8b af 60 17 8b af 68 17 8b af 68 17 8b af 70 17 8b af 
Feb 18 11:28:21 w11 kernel: PAX: bytes at SP-4: bfe25728 084f1ac1 08da8a70 00000000 08a5a4a0 084f1a9a 08a28ff4 00000000 bfe25738 081c1633 08da8a70 00000000 bfe25738 084138b0 08a4db20 08974bc8 000003d4 08a28ff4 00000000 00000000 0000001e 

all other children of fpm master fall to defunct and maser fails to respawn them:

root     28500     1  0 03:11 ?        00:00:24   php-fpm: master process (/etc/php/fpm-php5.3/php-fpm.conf)
lighttpd 16000 28500  0 11:26 ?        00:00:08     [php-fpm] <defunct>
lighttpd 16001 28500  0 11:26 ?        00:00:09     [php-fpm] <defunct>
lighttpd 16002 28500  0 11:26 ?        00:00:08     [php-fpm] <defunct>
lighttpd 16004 28500  0 11:26 ?        00:00:08     [php-fpm] <defunct>
lighttpd 16005 28500  0 11:26 ?        00:00:08     [php-fpm] <defunct>
lighttpd 22434 28500  3 11:57 ?        00:00:04     php-fpm: pool www                                   
lighttpd 22458 22434  0 11:58 ?        00:00:00       php-fpm: pool www   
lighttpd 22456 28500  6 11:58 ?        00:00:02     php-fpm: pool www                                   
root     22467 28500  0 11:59 ?        00:00:00     php-fpm: master process (/etc/php/fpm-php5.3/php-fpm.conf)

only system reboot helps

Expected result:
----------------
fpm-respawn children 

Actual result:
--------------
fpm stop to respond

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History

AllCommentsChangesGit/SVN commitsRelated reports
 [2011-07-02 13:56 UTC] fat@php.net
-Status: Open +Status: Assigned -Assigned To: +Assigned To: fat
 [2011-07-02 13:57 UTC] fat@php.net
-Status: Assigned +Status: Feedback
 [2011-07-02 13:57 UTC] fat@php.net
Not enough information was provided for us to be able
to handle this bug. Please re-read the instructions at
http://bugs.php.net/how-to-report.php

If you can provide more information, feel free to add it
to this bug and change the status back to "Open".

Thank you for your interest in PHP.


Is it possible for you to test without FPM (with php-cgi or mod_php for apache) 
please ?

I'd like to first ensure the bug is exclusively related to FPM.

thx
 [2011-10-08 14:27 UTC] fat@php.net
-Status: Feedback +Status: Closed
 [2011-10-08 14:27 UTC] fat@php.net
this is not related to FPM. Please view on the IMAP side.
 
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