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Bug #66538 Segfault when accepting client on SSL server
Submitted: 2014-01-21 21:12 UTC Modified: 2021-06-20 04:22 UTC
Votes:4
Avg. Score:4.0 ± 1.0
Reproduced:2 of 2 (100.0%)
Same Version:1 (50.0%)
Same OS:1 (50.0%)
From: grzegorz129 at gmail dot com Assigned: cmb (profile)
Status: No Feedback Package: Reproducible crash
PHP Version: 5.5.8 OS: OSX 10.9
Private report: No CVE-ID: None
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 [2014-01-21 21:12 UTC] grzegorz129 at gmail dot com 
Description:
------------
After making valid SSL connection (using openssl s_client) to server with SSL context PHP segfaults.
I've tested this with latest CLI version bundled with OSX - 5.4.17.

I think issue source can similar to this one: https://mail.python.org/pipermail/python-dev/2013-October/129832.html

Test script:
---------------
<?php
 $serverSSLContext = stream_context_create();
 stream_context_set_option($serverSSLContext, 'ssl', 'local_cert', "./test.pem"); 
 $serverSocket = stream_socket_server("ssl://127.0.0.1:8000", $errno, $errstr, STREAM_SERVER_BIND|STREAM_SERVER_LISTEN, $serverSSLContext);
 while(stream_socket_accept($serverSocket));

Actual result:
--------------
Since gdb isn't supported on Mavericks I've used lldb:
$ lldb php testssl.php
Current executable set to 'php' (x86_64).
(lldb) run
Process 40595 launched: '/usr/bin/php' (x86_64)
Process 40595 stopped
* thread #1: tid = 0x3f395f, 0x00007fff8f0d18f7 libssl.0.9.8.dylib`ssl_set_cert_masks + 39, queue = 'com.apple.main-thread, stop reason = EXC_BAD_ACCESS (code=1, address=0x20)
    frame #0: 0x00007fff8f0d18f7 libssl.0.9.8.dylib`ssl_set_cert_masks + 39
libssl.0.9.8.dylib`ssl_set_cert_masks + 39:
-> 0x7fff8f0d18f7:  movb   32(%rsi), %cl
   0x7fff8f0d18fa:  andb   $8, %cl
   0x7fff8f0d18fd:  shrb   $3, %cl
   0x7fff8f0d1900:  movl   $512, %edx
(lldb)

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 [2014-01-21 23:42 UTC] grzegorz129 at gmail dot com
-PHP Version: Irrelevant +PHP Version: 5.5.8
 [2014-01-21 23:42 UTC] grzegorz129 at gmail dot com 
After installing 5.5.8 problem still exists.
 [2021-06-09 14:34 UTC] cmb@php.net
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2021-06-09 14:34 UTC] cmb@php.net 
Is this still an issue with any of the actively supported PHP
versions[1]?

[1] <https://www.php.net/supported-versions.php>
 [2021-06-20 04:22 UTC] php-bugs at lists dot php dot net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
 
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