介绍
在复杂的Web应用程序中运行时,生成的php7进程在使用oauth模块时会尝试分配非法内存量(18446744069414584466字节).fpm管理器重新启动后,在触发此代码2-5次后出现错误:
$oauthClient = new \OAuth($consumerKey, $consumerSecret, OAUTH_SIG_METHOD_HMACSHA1, OAUTH_AUTH_TYPE_AUTHORIZATION);
$oauthClient->disableSSLChecks();
$oauthClient->setToken($token, $tokenSecret);
$oauthClient->fetch($callUrl, $strPostData, $method, $headers);
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错误信息
*20 FastCGI sent in stderr: "PHP message: PHP Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 18446744069414584466 bytes)
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描述
错误消息中提到的受影响的行是oauth客户端的fetch方法:
$oauthClient->fetch($callUrl, $strPostData, $method, $headers);
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我试图通过在循环中执行它并随着时间观察内存使用情况来隔离相关代码.使用和分配的内存量似乎随着时间的推移而稳定增长,但没有预期的那么快(可能只有oauthClient缓存响应)
独立
码
<?php
$strPostData = '';
$method = 'GET';
$consumerKey = '<consumerKey>';
$consumerSecret = '<consumerSecret>';
$token = '<token>';
$tokenSecret = '<tokenSecret>';
$url = '<url>';
$headers = array('accept' => 'application/json');
$callUrl = $url;
if ($method === 'POST' || $method === 'PUT') {
$headers['Content-Type'] = 'application/json';
}
$oauthClient = new \OAuth($consumerKey, $consumerSecret, OAUTH_SIG_METHOD_HMACSHA1, OAUTH_AUTH_TYPE_AUTHORIZATION);
$oauthClient->disableSSLChecks();
$oauthClient->setToken($token, $tokenSecret);
do {
$oauthClient->fetch($callUrl, $strPostData, $method, $headers);
$response = $oauthClient->getLastResponse();
fwrite(STDOUT, 'Allocated Memory: '. memory_get_usage(false) . PHP_EOL);
fwrite(STDOUT, 'Used Memory: '. memory_get_usage(true) . PHP_EOL);
} while (true);
?>
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产量
Allocated Memory: 236920
Used Memory: 262144
...
Allocated Memory: 263168
Used Memory: 524288
...
Allocated Memory: 289504
Used Memory: 524288
...
Used Memory: 524288
Allocated Memory: 331888
...
Allocated Memory: 395976
Used Memory: 524288
...
Allocated Memory: 428600
Used Memory: 524288
...
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核心和模块版本
Core: 7.0.8-3+deb.sury.org~trusty+1
date: 7.0.8-3+deb.sury.org~trusty+1
libxml: 7.0.8-3+deb.sury.org~trusty+1
openssl: 7.0.8-3+deb.sury.org~trusty+1
pcre: 7.0.8-3+deb.sury.org~trusty+1
zlib: 7.0.8-3+deb.sury.org~trusty+1
filter: 7.0.8-3+deb.sury.org~trusty+1
hash: 1.0
pcntl: 7.0.8-3+deb.sury.org~trusty+1
Reflection: 7.0.8-3+deb.sury.org~trusty+1
SPL: 7.0.8-3+deb.sury.org~trusty+1
session: 7.0.8-3+deb.sury.org~trusty+1
standard: 7.0.8-3+deb.sury.org~trusty+1
mysqlnd: mysqlnd 5.0.12-dev - 20150407 - $Id: 241ae00989d1995ffcbbf63d579943635faf9972 $
PDO: 7.0.8-3+deb.sury.org~trusty+1
xml: 7.0.8-3+deb.sury.org~trusty+1
bcmath: 7.0.8-3+deb.sury.org~trusty+1
calendar: 7.0.8-3+deb.sury.org~trusty+1
ctype: 7.0.8-3+deb.sury.org~trusty+1
curl: 7.0.8-3+deb.sury.org~trusty+1
dom: 20031129
mbstring: 7.0.8-3+deb.sury.org~trusty+1
fileinfo: 1.0.5
ftp: 7.0.8-3+deb.sury.org~trusty+1
gd: 7.0.8-3+deb.sury.org~trusty+1
gettext: 7.0.8-3+deb.sury.org~trusty+1
iconv: 7.0.8-3+deb.sury.org~trusty+1
json: 1.4.0
exif: 1.4 $Id: 8bdc0c8f27c2c9dd1f7551f1f9fe3ab57a06a4b1 $
mysqli: 7.0.8-3+deb.sury.org~trusty+1
OAuth: 2.0.2
pdo_mysql: 7.0.8-3+deb.sury.org~trusty+1
pdo_sqlite: 7.0.8-3+deb.sury.org~trusty+1
Phar: 2.0.2
posix: 7.0.8-3+deb.sury.org~trusty+1
readline: 7.0.8-3+deb.sury.org~trusty+1
shmop: 7.0.8-3+deb.sury.org~trusty+1
SimpleXML: 7.0.8-3+deb.sury.org~trusty+1
soap: 7.0.8-3+deb.sury.org~trusty+1
sockets: 7.0.8-3+deb.sury.org~trusty+1
sqlite3: 0.7-dev
ssh2: 0.13-dev
sysvmsg: 7.0.8-3+deb.sury.org~trusty+1
sysvsem: 7.0.8-3+deb.sury.org~trusty+1
sysvshm: 7.0.8-3+deb.sury.org~trusty+1
tokenizer: 7.0.8-3+deb.sury.org~trusty+1
wddx: 7.0.8-3+deb.sury.org~trusty+1
xmlreader: 7.0.8-3+deb.sury.org~trusty+1
xmlwriter: 7.0.8-3+deb.sury.org~trusty+1
xsl: 7.0.8-3+deb.sury.org~trusty+1
zip: 1.13.3
Zend OPcache: 7.0.8-3+deb.sury.org~trusty+1
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小智 6
我遇到了类似的问题,并将其追溯到使用启用了opcache的oauth扩展的问题。实际上,针对我所遇到的确切情况,有一个针对PHP的错误开放-https: //bugs.php.net/bug.php?id=73310。在此问题完全解决之前,我们发现了一种可能的解决方法,利用opauth扩展的oauth扩展文件将文件列入黑名单,以清除异常。
您可以使用黑名单的opcache.blacklist文件名选项opcache文件- http://php.net/manual/en/opcache.configuration.php#ini.opcache.blacklist-filename。
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