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Subject:  Re: [PHP-DEV]  Segmentation Fault
From: richard@hddbroker.com (Richard Morris)

Hi,

Is there a better place that this message should be posted to?

Thanks.


Richard Morris wrote:
> Hello all,
> 
> I was told this might be a better list to ask this question...
> 
> I was experimenting with the imap_* library functions trying to see if I 
> could get a PHP script to access a folder on our IMAP server and I ran 
> into a problem.
> 
> I was trying to get a simple script to work which simply opened a 
> connection to the mail server and then closed it but when I ran the 
> script it caused a segmentation fault on the imap_open line.  Here is 
> the code I was trying to run:
> 
> <?php
>   $mailbox = '{mail.hddbroker.com:143}INBOX';
>   $username = 'xxx';
>   $password = 'yyy';
> 
>   $mbox = imap_open($mailbox, $username, $password);
>   imap_close($mbox);
> ?>
> 
> and on the CLI it produced the output: Segmentation fault (core dumped)
> 
> I configured my PHP installation with --enable-debug and using the core 
> dump, I got the following backtrace:
> 
> #0  0x00144019 in SSL_SESSION_hash () from /lib/libssl.so.4
> #1  0x001ca484 in lh_free () from /lib/libcrypto.so.4
> #2  0x001ca5f3 in lh_delete () from /lib/libcrypto.so.4
> #3  0x00148141 in SSL_CTX_get_timeout () from /lib/libssl.so.4
> #4  0x001ca56e in lh_retrieve () from /lib/libcrypto.so.4
> #5  0x001481f7 in SSL_CTX_flush_sessions () from /lib/libssl.so.4
> #6  0x001441a3 in SSL_CTX_free () from /lib/libssl.so.4
> #7  0x005185ac in ssl_close () from /usr/lib/libc-client.so.0
> #8  0x0051851f in ssl_close () from /usr/lib/libc-client.so.0
> #9  0x005176c3 in ssl_aopen () from /usr/lib/libc-client.so.0
> #10 0x0054a697 in imap_open () from /usr/lib/libc-client.so.0
> #11 0x00523a90 in mail_open () from /usr/lib/libc-client.so.0
> #12 0x0814dcfc in zif_imap_open (ht=3, return_value=0xb7c8bc9c, 
> return_value_ptr=0x0, this_ptr=0x0, return_value_used=1)
>     at /usr/local/src/php-5.2.0/ext/imap/php_imap.c:780
> #13 0x08332c92 in zend_do_fcall_common_helper_SPEC 
> (execute_data=0xbfe372e0) at 
> /usr/local/src/php-5.2.0/Zend/zend_vm_execute.h:200
> #14 0x08332419 in execute (op_array=0xb7c8b68c) at 
> /usr/local/src/php-5.2.0/Zend/zend_vm_execute.h:92
> #15 0x0831aa9b in zend_execute_scripts (type=8, retval=0x0, 
> file_count=3) at /usr/local/src/php-5.2.0/Zend/zend.c:1097
> #16 0x082e4a51 in php_execute_script (primary_file=0xbfe397d0) at 
> /usr/local/src/php-5.2.0/main/main.c:1758
> #17 0x08393462 in main (argc=2, argv=0xbfe398a4) at 
> /usr/local/src/php-5.2.0/sapi/cli/php_cli.c:1108
> 
> 
> It doesn't mean too much to me but I thought someone might be able to 
> understand it.  Here is some additional details that might be needed:
> 
> PHP Version: PHP 5.2.0 (cli) (built: Nov  3 2006 06:07:03)
> OS: CentOS 4.4 i386
> RPM packages installed:
>   - openssl-0.9.7a-43.14
>   - openssl-devel-0.9.7a-43.14
>   - libc-client-2002e-14
>   - libc-client-devel-2002e-14
> 
> There was a bug opened that has the same segmentation problem but the 
> scenario seems to be different including using a different version of 
> PHP.  PHP Bug #39726 (http://bugs.php.net/bug.php?id=39726)
> 
> If there are any other details I can provide or if someone could point 
> my in another direction that would help, I would really appreciate it.
> 
> Thank you.
> 


-- 
Richard Morris
HDD Broker, Inc.

     Toll-Free: +1 866 960-3331
International: +1 250 474-6022
           Fax: +1 250 474-6099
        E-Mail: richard@hddbroker.com
      Web Site: www.hddbroker.com