Bug #77632 [NEW]: FFI Segfaults When Called With Variadics
| From: | ircmaxell@php.net | Date: | Mon, 18 Feb 2019 10:31:38 +0000 |
| Subject: | Bug #77632 [NEW]: FFI Segfaults When Called With Variadics | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-219624@lists.php.net to get a copy of this message | ||
From: ircmaxell
Operating system: Linux
PHP version: Next Minor Version
Package: *Extensibility Functions
Bug Type: Bug
Bug description:FFI Segfaults When Called With Variadics
Description:
------------
FFI causes a segfault if called with variadics.
Test script:
---------------
<?php
$libc = FFI::cdef("int printf(const char *format, ...);", "libc.so.6");
$args = ["test"];
$libc->printf(...$args);
Expected result:
----------------
test
Actual result:
--------------
Segmentation fault:
Program received signal SIGSEGV, Segmentation fault.
0x0000555555b0826a in zend_check_arg_send_type (zf=0x55555659b710
<executor_globals+1296>, arg_num=0, mask=3) at Zend/zend_compile.h:943
943 return
UNEXPECTED((zf->common.arg_info[arg_num].pass_by_reference & mask) !=
0);
--
Edit bug report at https://bugs.php.net/bug.php?id=77632&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=77632&r=trysnapshot54
Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=77632&r=trysnapshot55
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=77632&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=77632&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=77632&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=77632&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=77632&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=77632&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=77632&r=support
Expected behavior: https://bugs.php.net/fix.php?id=77632&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=77632&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=77632&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=77632&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=77632&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=77632&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=77632&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=77632&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=77632&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=77632&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=77632&r=mysqlcfg