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From Bardo Bakker <bardobak...@gmail.com>
Subject [users@httpd] Proces killed after http post without ConentType header
Date Sat, 28 Jan 2012 12:16:28 GMT
Hi,

I wrote some software which post a binary (image) to our server.
After a reboot (due to resize HDD), the server has some post issues.
It hangs at the end of a http post without the content type header set.

I would like to know: is this a bug, configuration mistake, or miss
interpertation of http post protocol...

Tank you!



Version apache:
[root@www ~]# /usr/sbin/httpd -V
Server version: Apache/2.2.3
Server built:   Oct 20 2011 17:00:12
Server's Module Magic Number: 20051115:3
Server loaded:  APR 1.2.7, APR-Util 1.2.7
Compiled using: APR 1.2.7, APR-Util 1.2.7
Architecture:   64-bit
Server MPM:     Prefork
  threaded:     no
    forked:     yes (variable process count)
Server compiled with....
 -D APACHE_MPM_DIR="server/mpm/prefork"
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_SYSVSEM_SERIALIZE
 -D APR_USE_PTHREAD_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D DYNAMIC_MODULE_LIMIT=128
 -D HTTPD_ROOT="/etc/httpd"
 -D SUEXEC_BIN="/usr/sbin/suexec"
 -D DEFAULT_PIDLOG="run/httpd.pid"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_LOCKFILE="logs/accept.lock"
 -D DEFAULT_ERRORLOG="logs/error_log"
 -D AP_TYPES_CONFIG_FILE="conf/mime.types"
 -D SERVER_CONFIG_FILE="conf/httpd.conf"

On kill/error/fault I found in error_log:

Sat Jan 28 12:56:09 2012] [notice] child pid 17077 exit signal Segmentation
fault (11), possible coredump in /tmp

So made a coredump: gdb: bt all:

Core was generated by `/usr/sbin/httpd -k start'.
Program terminated with signal 11, Segmentation fault.
#0  0x00007fe25c5696c0 in zend_hash_num_elements () from
/etc/httpd/modules/libphp5.so
(gdb) bt full
#0  0x00007fe25c5696c0 in zend_hash_num_elements () from
/etc/httpd/modules/libphp5.so
No symbol table info available.
#1  0x00007fe25c519606 in php_register_variable_ex () from
/etc/httpd/modules/libphp5.so
No symbol table info available.
#2  0x00007fe25c432625 in ?? () from /etc/httpd/modules/libphp5.so
No symbol table info available.
#3  0x00007fe25c51a0e9 in php_std_post_handler () from
/etc/httpd/modules/libphp5.so
No symbol table info available.
#4  0x00007fe25c513dd3 in sapi_handle_post () from
/etc/httpd/modules/libphp5.so
No symbol table info available.
#5  0x00007fe25c519d2b in php_default_treat_data () from
/etc/httpd/modules/libphp5.so
No symbol table info available.
#6  0x00007fe257248134 in mbstr_treat_data () from
/usr/lib64/php/modules/mbstring.so
No symbol table info available.
#7  0x00007fe25c51a2a1 in ?? () from /etc/httpd/modules/libphp5.so
No symbol table info available.
#8  0x00007fe25c50ab65 in php_request_startup () from
/etc/httpd/modules/libphp5.so
No symbol table info available.
#9  0x00007fe25c5e66d8 in ?? () from /etc/httpd/modules/libphp5.so
No symbol table info available.
#10 0x00007fe268e89aca in ap_run_handler ()
No symbol table info available.
#11 0x00007fe268e8cf58 in ap_invoke_handler ()
No symbol table info available.
#12 0x00007fe268e97a18 in ap_process_request ()
No symbol table info available.
#13 0x00007fe268e94c50 in ?? ()
No symbol table info available.
#14 0x00007fe268e90d52 in ap_run_process_connection ()
No symbol table info available.
#15 0x00007fe268e9be49 in ?? ()
No symbol table info available.
#16 0x00007fe268e9c0da in ?? ()
No symbol table info available.
#17 0x00007fe268e9c190 in ?? ()
No symbol table info available.
#18 0x00007fe268e9ce7b in ap_mpm_run ()
No symbol table info available.
#19 0x00007fe268e76e48 in main ()
No symbol table info available.

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