From: sriram dot natarajan at gmail dot com Operating system: RHEL5.2 PHP version: 5.2SVN-2009-12-21 (snap) PHP Bug Type: LDAP related Bug description: Segmentation fault with "free:invalid pointer while running ldap unit tests
Description: ------------ found segmentation fault on free with invalid pointer while running php ldap unit test cases on Redhat enterprise linux 5.2 (64-bit) PASS ldap_next_attribute() - Testing ldap_next_attribute() that should fail [ext/ldap/tests/ldap_next_attribute_error.phpt] PASS ldap_next_entry() - Basic ldap_first_entry test [ext/ldap/tests/ldap_next_entry_basic.phpt] PASS ldap_next_entry() - Testing ldap_next_entry() that should fail [ext/ldap/tests/ldap_next_entry_error.phpt] *** glibc detected *** /export/home/sriramn/php/sapi/cli/php: free(): invalid pointer: 0x00007fffe402f898 *** ======= Backtrace: ========= /lib64/libc.so.6[0x3660e71634] /lib64/libc.so.6(cfree+0x8c)[0x3660e74c5c] /export/home/sriramn/php/sapi/cli/php[0x4e0ba2] /export/home/sriramn/php/sapi/cli/php(list_entry_destructor+0x85)[0x6d e62a] /export/home/sriramn/php/sapi/cli/php(zend_hash_del_key_or_index+0x1fd )[0x6dbe0b] /export/home/sriramn/php/sapi/cli/php(_zend_list_delete+0x57)[0x6de116 ] /export/home/sriramn/php/sapi/cli/php(_zval_dtor_func+0xa3)[0x6cd79f] /export/home/sriramn/php/sapi/cli/php[0x6bf1d8] /export/home/sriramn/php/sapi/cli/php(_zval_ptr_dtor+0x36)[0x6bf3e0] /export/home/sriramn/php/sapi/cli/php[0x6dc21b] /export/home/sriramn/php/sapi/cli/php(zend_hash_graceful_reverse_destr oy+0x27)[0x6dc30d] /export/home/sriramn/php/sapi/cli/php(shutdown_executor+0x4d)[0x6beedc ] /export/home/sriramn/php/sapi/cli/php(zend_deactivate+0x5f)[0x6cee43] /export/home/sriramn/php/sapi/cli/php(php_request_shutdown+0x203)[0x67 c99d] /export/home/sriramn/php/sapi/cli/php(main+0x1742)[0x74d7ef] /lib64/libc.so.6(__libc_start_main+0xf4)[0x3660e1d8b4] /export/home/sriramn/php/sapi/cli/php(realloc+0x409)[0x4467a9] note: i haven't tried this on 32-bit. here, php is compiled in 32-bit. Reproduce code: --------------- - enable ldap server from RHEL 5.2 (64-bit) - enable ldap server to run as root with secret as rootpw - running php ldap unit test case causes segv. Expected result: ---------------- - test pass successfully Actual result: -------------- - segv seen while running ldap_next_entry_*phpt -- Edit bug report at http://bugs.php.net/?id=50540&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=50540&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=50540&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=50540&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=50540&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=50540&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=50540&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=50540&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=50540&r=needscript Try newer version: http://bugs.php.net/fix.php?id=50540&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=50540&r=support Expected behavior: http://bugs.php.net/fix.php?id=50540&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=50540&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=50540&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=50540&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=50540&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=50540&r=dst IIS Stability: http://bugs.php.net/fix.php?id=50540&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=50540&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=50540&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=50540&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=50540&r=mysqlcfg