Reference recursion causes segfault when used in wddx_serialize_vars()
| Bug #48562 | Reference recursion causes segfault when used in wddx_serialize_vars() | ||||
|---|---|---|---|---|---|
| Submitted: | 2009-06-15 19:24 UTC | Modified: | 2009-06-16 03:19 UTC | ||
| From: | felipe@php.net | Assigned: | felipe (profile) | ||
| Status: | Closed | Package: | WDDX related | ||
| PHP Version: | 5.*, 6 | OS: | Linux | ||
| Private report: | No | CVE-ID: | None | ||
[2009-06-15 19:24 UTC] felipe@php.net
Description: ------------ See below. Reproduce code: --------------- $a[] = new stdclass; $a[] = &$a; wddx_serialize_vars($a); Expected result: ---------------- No SIGSEGV. Actual result: -------------- #0 0xb7482e60 in pthread_getspecific () from /lib/i686/cmov/libpthread.so.0 #1 0x08553158 in ts_resource_ex (id=0, th_id=0x0) at /home/felipe/dev/php5/TSRM/TSRM.c:329 #2 0x08524f9b in php_wddx_add_var (packet=0xa383c84, name_var=0xa382b94) at /home/felipe/dev/php5/ext/wddx/wddx.c:696 #3 0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec) at /home/felipe/dev/php5/ext/wddx/wddx.c:712 #4 0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec) at /home/felipe/dev/php5/ext/wddx/wddx.c:712 #5 0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec) at /home/felipe/dev/php5/ext/wddx/wddx.c:712 #6 0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec) at /home/felipe/dev/php5/ext/wddx/wddx.c:712 #7 0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec) at /home/felipe/dev/php5/ext/wddx/wddx.c:712 #8 0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec) at /home/felipe/dev/php5/ext/wddx/wddx.c:712 #9 0x085250f8 in php_wddx_add_var (packet=0xa383c84, name_var=0xa3833ec) at /home/felipe/dev/php5/ext/wddx/wddx.c:712 ...
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[2009-06-16 03:19 UTC] felipe@php.net