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Bug #46647 SplFileObject->fgetcsv() segfaults when passing 0 as argument
Submitted: 2008-11-22 18:04 UTC Modified: 2008-12-20 00:53 UTC
From: felipensp at gmail dot com Assigned: colder (profile)
Status: Closed Package: SPL related
PHP Version: 6CVS-2008-11-22 (CVS) OS:
Private report: No CVE-ID: None
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 [2008-11-22 18:04 UTC] felipensp at gmail dot com 
Description:
------------
See below.

Reproduce code:
---------------
<?php
	
$x = new splfileobject(__FILE__);
$x->fgetcsv(0);


Actual result:
--------------
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb65c56e0 (LWP 23504)]
0x083f49cc in php_fgetcsv_ex (stream=0xa54d3b4, delimiter=0xbf9f6228 "0b\237&#65533;&#65533;&#65533;Q\b&#65533;&#65533;(\n\024", delimiter_len=1, enclosure=0xbf9f6224 "\"", enclosure_len=1, 
    escape=0x6 <Address 0x6 out of bounds>, escape_len=1, buffer=0xa54d7a0 "<?php\n", buffer_len=6, return_value=0xa54d7d8, tsrm_ls=0xa28d070)
    at /home/felipe/dev/php6/ext/standard/file.c:2381
2381					if ((PHP_FGETCSV_BIN_CHECK(p, e, escape, escape_len) && escape != enclosure) ||
(gdb) bt
#0  0x083f49cc in php_fgetcsv_ex (stream=0xa54d3b4, delimiter=0xbf9f6228 "0b\237&#65533;&#65533;&#65533;Q\b&#65533;&#65533;(\n\024", delimiter_len=1, enclosure=0xbf9f6224 "\"", enclosure_len=1, 
    escape=0x6 <Address 0x6 out of bounds>, escape_len=1, buffer=0xa54d7a0 "<?php\n", buffer_len=6, return_value=0xa54d7d8, tsrm_ls=0xa28d070)
    at /home/felipe/dev/php6/ext/standard/file.c:2381
#1  0x083f467f in php_fgetcsv (stream=0xa54d3b4, delimiter=48 '0', enclosure=34 '"', escape=0 '\0', buf_len=6, buf=0xa54d7a0 "<?php\n", return_value=0xa54d7d8, 
    tsrm_ls=0xa28d070) at /home/felipe/dev/php6/ext/standard/file.c:2311
#2  0x082c1a1d in spl_filesystem_file_read_csv (intern=0xa54e2c0, delimiter=48 '0', enclosure=34 '"', escape=0 '\0', return_value=0xa54c08c, tsrm_ls=0xa28d070)
    at /home/felipe/dev/php6/ext/spl/spl_directory.c:2002
#3  0x082c2ce8 in zim_spl_SplFileObject_fgetcsv (ht=1, return_value=0xa54c08c, return_value_ptr=0xa57fb74, this_ptr=0xa54c29c, return_value_used=0, 
    tsrm_ls=0xa28d070) at /home/felipe/dev/php6/ext/spl/spl_directory.c:2397

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AllCommentsChangesGit/SVN commitsRelated reports
 [2008-12-20 00:53 UTC] colder@php.net 
This bug has been fixed in CVS.

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/.
 
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