From: fel...@php.net
Operating system: Linux
PHP version: 5.3CVS-2009-06-25 (CVS)
PHP Bug Type: LDAP related
Bug description: ldap_read() segfaults with invalid parameters
Description:
------------
See below.
Reproduce code:
---------------
ldap_read(1,1,1);
Expected result:
----------------
Warning: ldap_read(): supplied argument is not a valid ldap link resource
in Command line code on line 1
Actual result:
--------------
Warning: ldap_read(): supplied argument is not a valid ldap link resource
in Command line code on line 1
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0xb75756c0 (LWP 22084)]
0x0820b9ac in php_ldap_do_search (ht=3, return_value=0xa333094,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=0, tsrm_ls=0xa19a070,
scope=0)
at /home/felipe/dev/php5/ext/ldap/ldap.c:810
810 php_set_opts(ld->link, old_ldap_sizelimit, old_ldap_timelimit,
old_ldap_deref, &ldap_sizelimit, &ldap_timelimit, &ldap_deref);
(gdb) bt
#0 0x0820b9ac in php_ldap_do_search (ht=3, return_value=0xa333094,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=0, tsrm_ls=0xa19a070,
scope=0)
at /home/felipe/dev/php5/ext/ldap/ldap.c:810
#1 0x0820baab in zif_ldap_read (ht=3, return_value=0xa333094,
return_value_ptr=0x0, this_ptr=0x0, return_value_used=0,
tsrm_ls=0xa19a070)
at /home/felipe/dev/php5/ext/ldap/ldap.c:824
#2 0x084a2328 in zend_do_fcall_common_helper_SPEC
(execute_data=0xa361a54, tsrm_ls=0xa19a070) at
/home/felipe/dev/php5/Zend/zend_vm_execute.h:313
#3 0x084a848f in ZEND_DO_FCALL_SPEC_CONST_HANDLER
(execute_data=0xa361a54, tsrm_ls=0xa19a070) at
/home/felipe/dev/php5/Zend/zend_vm_execute.h:1601
#4 0x084a10ef in execute (op_array=0xa332f90, tsrm_ls=0xa19a070) at
/home/felipe/dev/php5/Zend/zend_vm_execute.h:104
#5 0x084607f8 in zend_eval_stringl (str=0xbfc22807 "ldap_read(1,1,1);",
str_len=17, retval_ptr=0x0, string_name=0x883dd94 "Command line code",
tsrm_ls=0xa19a070) at
/home/felipe/dev/php5/Zend/zend_execute_API.c:1159
#6 0x08460a7f in zend_eval_stringl_ex (str=0xbfc22807
"ldap_read(1,1,1);", str_len=17, retval_ptr=0x0, string_name=0x883dd94
"Command line code",
handle_exceptions=1, tsrm_ls=0xa19a070) at
/home/felipe/dev/php5/Zend/zend_execute_API.c:1200
#7 0x08460b33 in zend_eval_string_ex (str=0xbfc22807 "ldap_read(1,1,1);",
retval_ptr=0x0, string_name=0x883dd94 "Command line code",
handle_exceptions=1,
tsrm_ls=0xa19a070) at
/home/felipe/dev/php5/Zend/zend_execute_API.c:1211
#8 0x085525a6 in main (argc=3, argv=0xbfc21ad4) at
/home/felipe/dev/php5/sapi/cli/php_cli.c:1227
--
Edit bug report at http://bugs.php.net/?id=48696&edit=1
--
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=48696&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=48696&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=48696&r=trysnapshot60
Fixed in CVS:
http://bugs.php.net/fix.php?id=48696&r=fixedcvs
Fixed in CVS and need be documented:
http://bugs.php.net/fix.php?id=48696&r=needdocs
Fixed in release:
http://bugs.php.net/fix.php?id=48696&r=alreadyfixed
Need backtrace:
http://bugs.php.net/fix.php?id=48696&r=needtrace
Need Reproduce Script:
http://bugs.php.net/fix.php?id=48696&r=needscript
Try newer version:
http://bugs.php.net/fix.php?id=48696&r=oldversion
Not developer issue:
http://bugs.php.net/fix.php?id=48696&r=support
Expected behavior:
http://bugs.php.net/fix.php?id=48696&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=48696&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=48696&r=submittedtwice
register_globals:
http://bugs.php.net/fix.php?id=48696&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=48696&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=48696&r=dst
IIS Stability:
http://bugs.php.net/fix.php?id=48696&r=isapi
Install GNU Sed:
http://bugs.php.net/fix.php?id=48696&r=gnused
Floating point limitations:
http://bugs.php.net/fix.php?id=48696&r=float
No Zend Extensions:
http://bugs.php.net/fix.php?id=48696&r=nozend
MySQL Configuration Error:
http://bugs.php.net/fix.php?id=48696&r=mysqlcfg
