Bug #68958 [NEW]: Segfault in zend_parse_va_args called from from zif_strpos

From: sindrepm at gmail dot com Operating system: CentOS 6.6 PHP version: 5.5.21 Package: Strings related Bug Type: Bug Bug description:Segfault in zend_parse_va_args called from from zif_strpos Description: ------------ On a Magento web site I am getting the following segfault on both PHP 5.4.37 and PHP 5.5.20. Gdb backtrace: Program terminated with signal 11, Segmentation fault. #0 0x00000000007d1a06 in zend_parse_va_args (num_args=2, type_spec=0x92e49e "sz|l", va=0x7fff4d6b7030, flags=0) at /usr/local/lsws/phpbuild/php-5.5.20/Zend/zend_API.c:730 #0 0x00000000007d1a06 in zend_parse_va_args (num_args=2, type_spec=0x92e49e "sz|l", va=0x7fff4d6b7030, flags=0) at /usr/local/lsws/phpbuild/php-5.5.20/Zend/zend_API.c:730 #1 0x00000000007d23c5 in zend_parse_parameters (num_args=2, type_spec=<value optimized out>) at /usr/local/lsws/phpbuild/php-5.5.20/Zend/zend_API.c:924 #2 0x00000000006f9180 in zif_strpos (ht=<value optimized out>, return_value=0x78a6ff8, return_value_ptr=<value optimized out>, this_ptr=<value optimized out>, return_value_used=<value optimized out>) at /usr/local/lsws/phpbuild/php-5.5.20/ext/standard/string.c:1823 #3 0x0000000000849b03 in zend_do_fcall_common_helper_SPEC (execute_data=<value optimized out>) at /usr/local/lsws/phpbuild/php-5.5.20/Zend/zend_vm_execute.h:550 #4 0x000000000083b380 in execute_ex (execute_data=0x7902db8) at /usr/local/lsws/phpbuild/php-5.5.20/Zend/zend_vm_execute.h:363 #5 0x0000000000849fa9 in zend_do_fcall_common_helper_SPEC (execute_data=0x7902640) at /usr/local/lsws/phpbuild/php-5.5.20/Zend/zend_vm_execute.h:584 #6 0x000000000083b380 in execute_ex (execute_data=0x7902640) at /usr/local/lsws/phpbuild/php-5.5.20/Zend/zend_vm_execute.h:363 #7 0x00000000007b9efe in zend_call_function (fci=0x7fff4d6b7520, fci_cache=<value optimized out>) at /usr/local/lsws/phpbuild/php-5.5.20/Zend/zend_execute_API.c:937 #8 0x00000000007e0017 in zend_call_method (object_pp=0x7fff4d6b7648, obj_ce=<value optimized out>, fn_proxy=0x41499b0, function_name=0xa69dd6 "__call", function_name_len=<value optimized out>, retval_ptr_ptr=0x7fff4d6b7658, param_count=2, arg1=0x78dec48, arg2=0x78de818) at /usr/local/lsws/phpbuild/php-5.5.20/Zend/zend_interfaces.c:97 #9 0x00000000007ee9ad in zend_std_call_user_call (ht=<value optimized out>, return_value=0x78a6ec0, return_value_ptr=<value optimized out>, this_ptr=0x41219e0, return_value_used=<value optimized out>) -- Edit bug report at https://bugs.php.net/bug.php?id=68958&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=68958&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=68958&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=68958&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=68958&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=68958&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=68958&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=68958&r=needscript Try newer version: https://bugs.php.net/fix.php?id=68958&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=68958&r=support Expected behavior: https://bugs.php.net/fix.php?id=68958&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=68958&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=68958&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=68958&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=68958&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=68958&r=dst IIS Stability: https://bugs.php.net/fix.php?id=68958&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=68958&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=68958&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=68958&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=68958&r=mysqlcfg