[php-src] Issue #22071: Assertion failure jit_CONST_FUNC_PROTO at ext/opcache/jit/zend_jit_ir.c
| From: | YuanchengJiang | Date: | Sun, 17 May 2026 12:09:02 +0000 |
| Subject: | [php-src] Issue #22071: Assertion failure jit_CONST_FUNC_PROTO at ext/opcache/jit/zend_jit_ir.c | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-252098@lists.php.net to get a copy of this message | ||
Issue: https://github.com/php/php-src/issues/22071
Author: YuanchengJiang
### Description
The following code:
```php
<?php
try {
$e = enum_exists('UnitEnum') ? UnitEnum::cases() : [];
} catch (\Throwable $_ffl_e) {}
```
Resulted in this output:
```
php: ext/opcache/jit/zend_jit_ir.c:554: ir_ref jit_CONST_FUNC_PROTO(zend_jit_ctx *, uintptr_t,
ir_ref): Assertion `addr != 0' failed.
Aborted (core dumped)
```
To reproduce:
```
/home/fuzz/WorkSpace/fusion-fuzz/projects/php/php-src/sapi/cli/php -d opcache.enable_cli=1 -d
opcache.jit=1205 ./test.php
```
Commit:
```
51911cc1c64e7435b19c45685032e094b838183b
```
Configurations:
```
CC="clang-12" CXX="clang++-12" CFLAGS="-DZEND_VERIFY_TYPE_INFERENCE"
CXXFLAGS="-DZEND_VERIFY_TYPE_INFERENCE" ./configure --enable-debug
--enable-address-sanitizer --enable-undefined-sanitizer --enable-re2c-cgoto --enable-fpm
--enable-litespeed --enable-phpdbg-debug --enable-zts --enable-bcmath --enable-calendar --enable-dba
--enable-dl-test --enable-exif --enable-ftp --enable-gd --enable-gd-jis-conv --enable-mbstring
--enable-pcntl --enable-shmop --enable-soap --enable-sockets --enable-sysvmsg --enable-zend-test
--with-zlib --with-bz2 --with-curl --with-enchant --with-gettext --with-gmp --with-mhash --with-ldap
--with-libedit --with-readline --with-snmp --with-sodium --with-xsl --with-zip --with-mysqli
--with-pdo-mysql --with-pdo-pgsql --with-pgsql --with-sqlite3 --with-pdo-sqlite --with-webp
--with-jpeg --with-freetype --enable-sigchild --with-readline --with-pcre-jit --with-iconv
```
Operating System:
```
Ubuntu 20.04 Host, Docker 0599jiangyc/flowfusion:latest
```
*This bug was found by [fusion-fuzz](https://github.com/fusion-fuzz/fusion-fuzz)*
### PHP Version
```plain
nightly
```
### Operating System
_No response_