[wp-trac] [WordPress Trac] #44532: Extreme memory leak related to wp_is_stream in wp-includes/functions.php in WordPress 4.9.7

[WordPress Trac]

#44532: Extreme memory leak related to wp_is_stream in wp-includes/functions.php in
WordPress 4.9.7
--------------------------+---------------------
 Reporter:  timbowesohft  |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  high          |   Milestone:  4.9.8
Component:  Media         |     Version:  4.9.7
 Severity:  major         |  Resolution:
 Keywords:  has-patch     |     Focuses:
--------------------------+---------------------

Comment (by ddenev):

 I can confirm that the provided patch **does NOT** solve the problem for
 me. PHP still crashes, this time the error in the debug.log is:

 {{{
 PHP Fatal error:  Possible integer overflow in memory allocation (4 *
 6661789698600755555 + 32) in wp-includes\functions.php on line 5237
 }}}

 5237 is the line where this code is:
 {{{#!php
 $wrapper = preg_quote( $wrapper, '!' );
 }}}

 I also get an error in the Windows event log:

 {{{
 Faulting application name: httpd.exe, version: 2.4.33.0, time stamp:
 0x5abb6dc6
 Faulting module name: php7ts.dll, version: 7.1.19.0, time stamp:
 0x5b2aeea0
 Exception code: 0xc0000005
 Fault offset: 0x000000000012e030
 Faulting process id: 0x4580
 Faulting application start time: 0x01d419513cc36a2e
 Faulting application path: D:\Applications\Apache\bin\httpd.exe
 Faulting module path: D:\Applications\PHP7\php7ts.dll
 Report Id: 83af3ff0-8544-11e8-9f0f-005056c00008
 }}}

 **Note**: if you use OPCache, you need to restart Apache so that the
 changes take effect.

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Ticket URL: <https://core.trac.wordpress.org/ticket/44532#comment:20>
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