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Bug #17433 version_compare segfaults
Submitted: 2002-05-26 07:51 UTC Modified: 2002-05-26 08:14 UTC
From: mfischer@php.net Assigned:
Status: Closed Package: *General Issues
PHP Version: 4.0CVS-2002-05-26 OS: Any
Private report: No CVE-ID: None
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 [2002-05-26 07:51 UTC] mfischer@php.net 
$ php -r "version_compare('', '1.0', 'ge');"
Segmentation fault

#0  0x400e61ce in malloc () from /lib/libc.so.6
#1  0x400e6074 in malloc () from /lib/libc.so.6
#2  0x0815badf in _emalloc (size=1, __zend_filename=0x81b08a0 "/home/mfischer/isrc/cvs/php4/ext/standard/versioning.c", __zend_lineno=37, __zend_orig_filename=0x0, __zend_orig_lineno=0)
    at /home/mfischer/isrc/cvs/php4/Zend/zend_alloc.c:165
#3  0x0810c448 in php_canonicalize_version (version=0x8d56efc "") at /home/mfischer/isrc/cvs/php4/ext/standard/versioning.c:37
#4  0x0810c696 in php_version_compare (orig_ver1=0x8d56efc "", orig_ver2=0x81b08da "#N#") at /home/mfischer/isrc/cvs/php4/ext/standard/versioning.c:108
#5  0x0810c8e7 in php_version_compare (orig_ver1=0x8d56e8c "", orig_ver2=0x81b08da "#N#") at /home/mfischer/isrc/cvs/php4/ext/standard/versioning.c:154
#6  0x0810c8e7 in php_version_compare (orig_ver1=0x8d56e1c "", orig_ver2=0x81b08da "#N#") at /home/mfischer/isrc/cvs/php4/ext/standard/versioning.c:154
#7  0x0810c8e7 in php_version_compare (orig_ver1=0x8d56dac "", orig_ver2=0x81b08da "#N#") at /home/mfischer/isrc/cvs/php4/ext/standard/versioning.c:154
#8  0x0810c8e7 in php_version_compare (orig_ver1=0x8d56d3c "", orig_ver2=0x81b08da "#N#") at /home/mfischer/isrc/cvs/php4/ext/standard/versioning.c:154
#9  0x0810c8e7 in php_version_compare (orig_ver1=0x8d56ccc "", orig_ver2=0x81b08da "#N#") at /home/mfischer/isrc/cvs/php4/ext/standard/versioning.c:154

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 [2002-05-26 07:52 UTC] mfischer@php.net 
Setting to critical, needs to be fixed before 4.3 release
 [2002-05-26 08:14 UTC] jan@php.net 
This bug has been fixed in CVS. You can grab a snapshot of the
CVS version at http://snaps.php.net/. In case this was a documentation 
problem, the fix will show up soon at http://www.php.net/manual/.
In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites.
Thank you for the report, and for helping us make PHP better.
 
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