Bug #54092 [Fbk]: Segmentation fault when using FTP proxy

From: Date: Thu, 24 Feb 2011 23:00:39 +0000
Subject: Bug #54092 [Fbk]: Segmentation fault when using FTP proxy
References: 1  Groups: php.bugs 
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Edit report at http://bugs.php.net/bug.php?id=54092&edit=1

 ID:                 54092
 Updated by:         cataphract@php.net
 Reported by:        daniel dot buschke at nextiraone dot de
 Summary:            Segmentation fault when using FTP proxy
 Status:             Feedback
 Type:               Bug
 Package:            Reproducible crash
 Operating System:   Linux
 PHP Version:        5.2.17
 Block user comment: N
 Private report:     N

 New Comment:

I can reproduce in 5.3 with Apache working as the proxy.


Previous Comments:
------------------------------------------------------------------------
[2011-02-24 21:52:05] iliaa@php.net

Please try using this snapshot:

  http://snaps.php.net/php5.3-latest.tar.gz
 
For Windows:

  http://windows.php.net/snapshots/

Cannot reproduce the crash in 5.3

------------------------------------------------------------------------
[2011-02-24 17:33:16] daniel dot buschke at nextiraone dot de

Just for history:

php -v
----------------
PHP 5.3.6RC2-dev (cli) (built: Feb 24 2011 17:17:30) (DEBUG)
Copyright (c) 1997-2011 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2011 Zend Technologies
----------------

------------------------------------------------------------------------
[2011-02-24 17:31:07] daniel dot buschke at nextiraone dot de

BackTrace of 5.3-latest:

#0  0x08394b84 in _php_stream_write_filtered (stream=0x8888ca0,
buf=0x87431c6 "QUIT\r\n", count=6, flags=0)
    at /usr/src/php5.3-201102241530/main/streams/streams.c:1001
#1  0x08394d24 in _php_stream_write (stream=0x8888ca0, buf=0x87431c6
"QUIT\r\n", count=6) at
/usr/src/php5.3-201102241530/main/streams/streams.c:1067
#2  0x0834cdc0 in php_stream_ftp_stream_close (wrapper=0x87768e8,
stream=0x8888d10)
    at
/usr/src/php5.3-201102241530/ext/standard/ftp_fopen_wrapper.c:120
#3  0x083938f3 in _php_stream_free (stream=0x8888d10, close_options=11)
at /usr/src/php5.3-201102241530/main/streams/streams.c:376
#4  0x0839591f in stream_resource_regular_dtor (rsrc=0x8888e14) at
/usr/src/php5.3-201102241530/main/streams/streams.c:1433
#5  0x083f715b in list_entry_destructor (ptr=0x8888e14) at
/usr/src/php5.3-201102241530/Zend/zend_list.c:184
#6  0x083f47fe in zend_hash_del_key_or_index (ht=0x878e42c, arKey=0x0,
nKeyLength=0, h=5, flag=1)
    at /usr/src/php5.3-201102241530/Zend/zend_hash.c:500
#7  0x083f6e49 in _zend_list_delete (id=5) at
/usr/src/php5.3-201102241530/Zend/zend_list.c:58
#8  0x08300d78 in zif_fclose (ht=1, return_value=0x88884f8,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=0)
    at /usr/src/php5.3-201102241530/ext/standard/file.c:957
#9  0x084145de in zend_do_fcall_common_helper_SPEC
(execute_data=0x88b5258) at
/usr/src/php5.3-201102241530/Zend/zend_vm_execute.h:316
#10 0x08418122 in ZEND_DO_FCALL_SPEC_CONST_HANDLER
(execute_data=0x88b5258) at
/usr/src/php5.3-201102241530/Zend/zend_vm_execute.h:1606
#11 0x08413c7b in execute (op_array=0x8887010) at
/usr/src/php5.3-201102241530/Zend/zend_vm_execute.h:107
#12 0x083e6f23 in zend_execute_scripts (type=8, retval=0x0,
file_count=3) at /usr/src/php5.3-201102241530/Zend/zend.c:1194
#13 0x0837de64 in php_execute_script (primary_file=0xbffff12c) at
/usr/src/php5.3-201102241530/main/main.c:2268
#14 0x084aa2f8 in main (argc=2, argv=0xbffff2a4) at
/usr/src/php5.3-201102241530/sapi/cli/php_cli.c:1193

------------------------------------------------------------------------
[2011-02-24 17:14:33] daniel dot buschke at nextiraone dot de

Hi,
PHP 5.3(!) is compiling with --enable-debug and --enable-ftp. Hope
that's enough. Our test machine is not the fastest one ;-)

But I am confused about 5.3. I think using 5.2-latest would be a better
idea?!

regards
Daniel

------------------------------------------------------------------------
[2011-02-24 17:06:18] pajoye@php.net

Please try using this snapshot:

  http://snaps.php.net/php5.3-latest.tar.gz
 
For Windows:

  http://windows.php.net/snapshots/



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


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