From: laruence
Operating system: Linux 64bit
PHP version: 5.4SVN-2011-09-10 (SVN)
Package: MySQLi related
Bug Type: Bug
Bug description:test script cause seg fault
Description:
------------
ext/mysqli/tests/mysqli_explain_metadata.phpt cause a segment fault(linked
against libmysql)
backtrace:
#0 0x000000302af6ff20 in strlen () from /lib64/tls/libc.so.6
#1 0x00000000007dbeb5 in add_property_string_ex (arg=0x2a99479160,
key=0xb68dec
"catalog", key_len=8,
str=0x20200a3e6e6f6974 <Address 0x20200a3e6e6f6974 out of bounds>,
duplicate=1)
at /home/huixc/opensource/php-src/trunk/Zend/zend_API.c:1561
#2 0x00000000005f9a35 in php_add_field_properties (value=0x2a99479160,
field=0x1000410)
at /home/huixc/opensource/php-src/trunk/ext/mysqli/mysqli_api.c:1060
#3 0x00000000005f9d80 in zif_mysqli_fetch_fields (ht=1,
return_value=0x2a994bcf68, return_value_ptr=0x0, this_ptr=0x0,
return_value_used=1)
at /home/huixc/opensource/php-src/trunk/ext/mysqli/mysqli_api.c:1118
#4 0x000000000080e1b6 in zend_do_fcall_common_helper_SPEC
(execute_data=0x2a95fbc0e8)
at /home/huixc/opensource/php-src/trunk/Zend/zend_vm_execute.h:642
#5 0x000000000081491a in ZEND_DO_FCALL_SPEC_CONST_HANDLER
(execute_data=0x2a95fbc0e8)
at /home/huixc/opensource/php-src/trunk/Zend/zend_vm_execute.h:2215
#6 0x000000000080ceba in execute (op_array=0xff40d0) at
/home/huixc/opensource/php-src/trunk/Zend/zend_vm_execute.h:410
#7 0x00000000007d559c in zend_execute_scripts (type=8, retval=0x0,
file_count=3) at /home/huixc/opensource/php-src/trunk/Zend/zend.c:1262
#8 0x000000000075698b in php_execute_script (primary_file=0x7fbffff230) at
/home/huixc/opensource/php-src/trunk/main/main.c:2388
#9 0x00000000008f53f9 in do_cli (argc=2, argv=0x7fbffff518) at
/home/huixc/opensource/php-src/trunk/sapi/cli/php_cli.c:983
#10 0x00000000008f629a in main (argc=2, argv=0x7fbffff518) at
/home/huixc/opensource/php-src/trunk/sapi/cli/php_cli.c:1356
f2,
(gdb) p *field
$2 = {name = 0x10007d0 "possible_keys", org_name = 0x10007e0 "", table =
0x10007c0 "", org_table = 0x10007c8 "", db = 0x10007b8 "",
catalog = 0x20200a3e6e6f6974 <Address 0x20200a3e6e6f6974 out of bounds>,
def =
0x0, length = 4096, max_length = 0,
name_length = 537542259, org_name_length = 1818311712, table_length =
1047748969, org_table_length = 762278761, db_length = 959789112,
catalog_length = 792474157, def_length = 1634298977, flags = 0, decimals
= 31,
charsetnr = 8, type = MYSQL_TYPE_VAR_STRING,
extension = 0x61696c612f3c3130}
Test script:
---------------
ext/mysqli/tests/mysqli_explain_metadata.phpt
Expected result:
----------------
passed
Actual result:
--------------
seg fault
--
Edit bug report at https://bugs.php.net/bug.php?id=55662&edit=1
--
Try a snapshot (PHP 5.4):
https://bugs.php.net/fix.php?id=55662&r=trysnapshot54
Try a snapshot (PHP 5.3):
https://bugs.php.net/fix.php?id=55662&r=trysnapshot53
Try a snapshot (trunk):
https://bugs.php.net/fix.php?id=55662&r=trysnapshottrunk
Fixed in SVN:
https://bugs.php.net/fix.php?id=55662&r=fixed
Fixed in SVN and need be documented:
https://bugs.php.net/fix.php?id=55662&r=needdocs
Fixed in release:
https://bugs.php.net/fix.php?id=55662&r=alreadyfixed
Need backtrace:
https://bugs.php.net/fix.php?id=55662&r=needtrace
Need Reproduce Script:
https://bugs.php.net/fix.php?id=55662&r=needscript
Try newer version:
https://bugs.php.net/fix.php?id=55662&r=oldversion
Not developer issue:
https://bugs.php.net/fix.php?id=55662&r=support
Expected behavior:
https://bugs.php.net/fix.php?id=55662&r=notwrong
Not enough info:
https://bugs.php.net/fix.php?id=55662&r=notenoughinfo
Submitted twice:
https://bugs.php.net/fix.php?id=55662&r=submittedtwice
register_globals:
https://bugs.php.net/fix.php?id=55662&r=globals
PHP 4 support discontinued:
https://bugs.php.net/fix.php?id=55662&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=55662&r=dst
IIS Stability:
https://bugs.php.net/fix.php?id=55662&r=isapi
Install GNU Sed:
https://bugs.php.net/fix.php?id=55662&r=gnused
Floating point limitations:
https://bugs.php.net/fix.php?id=55662&r=float
No Zend Extensions:
https://bugs.php.net/fix.php?id=55662&r=nozend
MySQL Configuration Error:
https://bugs.php.net/fix.php?id=55662&r=mysqlcfg
