Req #54946 [Com]: stream_get_contents infinite loop

From: Date: Mon, 29 Aug 2011 08:24:27 +0000
Subject: Req #54946 [Com]: stream_get_contents infinite loop
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-163065@lists.php.net to get a copy of this message 
Edit report at https://bugs.php.net/bug.php?id=54946&edit=1

 ID:                 54946
 Comment by:         qing0088 at hotmail dot com
 Reported by:        max at cxib dot net
 Summary:            stream_get_contents infinite loop
 Status:             Closed
 Type:               Feature/Change Request
 Package:            Streams related
 Operating System:   NetBSD
 PHP Version:        5.3.6
 Assigned To:        bjori
 Block user comment: N
 Private report:     N

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Previous Comments:
------------------------------------------------------------------------
[2011-05-29 14:29:39] bjori@php.net

This bug has been fixed in SVN.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
Thank you for the report, and for helping us make PHP better.



------------------------------------------------------------------------
[2011-05-29 14:29:21] bjori@php.net

Automatic comment from SVN on behalf of bjori
Revision: http://svn.php.net/viewvc/?view=revision&revision=311545
Log: Fixed bug #54946 (stream_get_contents infinite loop)

------------------------------------------------------------------------
[2011-05-28 13:13:37] max at cxib dot net

Description:
------------
#0  0xbb80eb77 in read () from /usr/lib/libc.so.12
#1  0xbb8e0efd in read () from /usr/lib/libpthread.so.0
#2  0x083e7e81 in _php_stream_fopen_from_pipe ()
#3  0x083dff2f in _php_stream_free ()
#4  0x083e00ec in _php_stream_read ()
#5  0x083e1684 in _php_stream_copy_to_mem ()


php_stream_copy_to_mem() generate infinite loop


Test script:
---------------
<?php
$stream=fopen("/tmp/blabla", "w"); // w or a
stream_get_contents($stream,1,1);
?>

Expected result:
----------------
string or null

Actual result:
--------------
infinite loop


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



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