Bug #71560 [Opn->Fbk]: segfault in zend_parse_parameters

Edit report at https://bugs.php.net/bug.php?id=71560&edit=1 ID: 71560 Updated by: cmb@php.net Reported by: sautier dot louis at gmail dot com Summary: segfault in zend_parse_parameters -Status: Open +Status: Feedback Type: Bug Package: FPM related Operating System: Linux (Archlinux) PHP Version: 7.0.3 -Assigned To: +Assigned To: cmb Block user comment: N Private report: N New Comment: This is an issue with unserialize(); possibly, the string passed to that function is corrupt. Anyhow, does it still happen with any of the actively supported PHP versions[1]? [1] <https://www.php.net/supported-versions.php> Previous Comments: ------------------------------------------------------------------------ [2016-02-24 08:30:20] sautier dot louis at gmail dot com Hi laruence, Do you need more feedback or is this enough to help you track down the issue? ------------------------------------------------------------------------ [2016-02-15 08:51:31] sautier dot louis at gmail dot com Here is the backtrace with debugging symbols: Feb 15 09:39:48 kim systemd-coredump[11137]: Process 11113 (php-fpm) of user 33 dumped core. Stack trace of thread 11113: #0 0x0000000000691729 zend_parse_arg_string (php-fpm) #1 0x0000000000691f0f zend_parse_va_args (php-fpm) #2 0x00000000006922a6 zend_parse_parameters (php-fpm) #3 0x00000000005dc82e zif_unserialize (php-fpm) #4 0x00000000006d94bd ZEND_DO_ICALL_SPEC_HANDLER (php-fpm) #5 0x00000000006ca58b execute_ex (php-fpm) #6 0x000000000071d797 zend_execute (php-fpm) #7 0x0000000000689503 zend_execute_scripts (php-fpm) #8 0x0000000000629ee0 php_execute_script (php-fpm) #9 0x0000000000433bc2 main (php-fpm) #10 0x00007f47e78da610 __libc_start_main (libc.so.6) #11 0x00000000004349f9 _start (php-fpm) ------------------------------------------------------------------------ [2016-02-10 02:40:54] laruence@php.net yeah, that will be great, at least we should know which function trigger it ------------------------------------------------------------------------ [2016-02-09 16:09:52] sautier dot louis at gmail dot com I just tried but valgrind makes the site excruciatingly slow (> 10 seconds to load the front page). Is there anything else I could do? I could try to recompile php with -g so we can see the n/a symbols? ------------------------------------------------------------------------ [2016-02-09 15:29:29] laruence@php.net then try with valgrind and set env ZEND_DONT_UNLOAD_MODULES=1 ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at https://bugs.php.net/bug.php?id=71560 -- Edit this bug report at https://bugs.php.net/bug.php?id=71560&edit=1