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: Bug #62594 :: segfault in mysqlnd_res_meta::set_mode

Bug #62594 segfault in mysqlnd_res_meta::set_mode
Submitted: 2012-07-18 11:02 UTC Modified: 2012-07-18 11:14 UTC
From: laruence@php.net Assigned: laruence (profile)
Status: Closed Package: MySQL related
PHP Version: 5.4.4 OS:
Private report: No CVE-ID: None

 [2012-07-18 11:02 UTC] laruence@php.net

Description:
------------
there is a line: unsigned int mode_len = strlen(mode)

but mode may be NULL.

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 [2012-07-18 11:05 UTC] laruence@php.net

-Status: Open +Status: Closed -Assigned To: +Assigned To: laruence

 [2012-07-18 11:14 UTC] laruence@php.net

backtrace: 
(gdb) bt
#0  0x000000000080186f in php_mysqlnd_debug_set_mode_pub (self=0x133ad930, 
mode=0x0)
    at /home/huixinchen/opensource/trunk/ext/mysqlnd/mysqlnd_debug.c:522
#1  0x0000000000803dd3 in zm_activate_mysqlnd (type=1, module_number=17) at 
/home/huixinchen/opensource/trunk/ext/mysqlnd/php_mysqlnd.c:316
#2  0x00000000008b941d in zend_activate_modules () at 
/home/huixinchen/opensource/trunk/Zend/zend_API.c:2296
#3  0x0000000000820fe4 in php_request_startup () at 
/home/huixinchen/opensource/trunk/main/main.c:1560
#4  0x00000000009fb491 in do_cli (argc=64, argv=0x7fffeb79d458) at 
/home/huixinchen/opensource/trunk/sapi/cli/php_cli.c:956
#5  0x00000000009fc684 in main (argc=64, argv=0x7fffeb79d458) at 
/home/huixinchen/opensource/trunk/sapi/cli/php_cli.c:1360