Segment Fault on M1 Mac with PHP@7.4

[simonkuang]

• hardware: M1 Mac
• OS: Big Sur
• PHP: php@7.4 by homebrew (7.4.16)
• leveldb: 1.23 stable by homebrew (--build-from-source)
• ext-leveldb: 0.3.0, downloaded tarball from pecl.php.net, installed by phpize

➜  leveldb-0.3.0 php -v
PHP 7.4.16 (cli) (built: Mar  4 2021 12:36:48) ( NTS )
Copyright (c) The PHP Group
Zend Engine v3.4.0, Copyright (c) Zend Technologies
    with Zend OPcache v7.4.16, Copyright (c), by Zend Technologies
[1]    60656 segmentation fault  php -v

Errors occurred while php process quitting.

[dktapps]

Please provide reproducing steps / reproducing code.

[simonkuang]

reproducing code

# install php
brew install php@7.4  # php-7.4.16

# install leveldb library
brew install --build-from-source leveldb  # stable 1.23

# install ext-leveldb
curl -LO https://pecl.php.net/get/leveldb-0.3.0.tgz
tar zxf leveldb-0.3.0.tgz
cd leveldb-0.3.0
phpize
./configure --with-php-config=/opt/homebrew/opt/php@7.4/bin/php-config --with-leveldb=/opt/homebrew/opt/leveldb
make
make install

# reproducing
php -m | grep leveldb

php Modules

[PHP Modules]
bcmath
bz2
calendar
Core
ctype
curl
date
dba
dom
exif
FFI
fileinfo
filter
ftp
gd
gettext
gmp
hash
iconv
intl
json
ldap
leveldb
libxml
mbstring
mongodb
mysqli
mysqlnd
odbc
openssl
pcntl
pcre
PDO
pdo_dblib
pdo_mysql
PDO_ODBC
pdo_pgsql
pdo_sqlite
pgsql
Phar
phpdbg_webhelper
phpiredis
posix
pspell
readline
redis
Reflection
session
shmop
SimpleXML
soap
sockets
sodium
SPL
sqlite3
standard
swoole
sysvmsg
sysvsem
sysvshm
tidy
tokenizer
xml
xmlreader
xmlrpc
xmlwriter
xsl
Zend OPcache
zip
zlib

[Zend Modules]
Zend OPcache

[1] 64973 segmentation fault php -m

[simonkuang]

info from lldb. hope it's useful.

(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x105cb0368)
  * frame #0: 0x000000019344ef5c libsystem_malloc.dylib`free + 112
    frame #1: 0x0000000100d16a1c dyld`dyld::garbageCollectImages() + 968
    frame #2: 0x0000000100d22570 dyld`dlclose + 216
    frame #3: 0x0000000193642edc libdyld.dylib`dlclose + 164
    frame #4: 0x000000010030c010 php`module_destructor + 240
    frame #5: 0x0000000100304a20 php`module_destructor_zval + 24
    frame #6: 0x0000000100315d14 php`zend_hash_graceful_reverse_destroy + 464
    frame #7: 0x0000000100304c78 php`zend_shutdown + 36
    frame #8: 0x00000001002afbd8 php`php_module_shutdown + 56
    frame #9: 0x000000010039a1c4 php`main + 1068
    frame #10: 0x0000000193645f34 libdyld.dylib`start + 4

[dktapps]

This doesn't look like a problem with the extension, but rather with php-src.

[tvh]

Could this be google/leveldb#634?