V6 chown、函数异常

[warmbook]

Please answer these questions before submitting your issue.

1. What did you do? If possible, provide a simple script for reproducing the error.
   chown($logFile,'nobody');
   $userinfo = posix_getpwnam("nobody");

2. What did you expect to see?
   文件所有者应改为 nobody，$userinfo不应该为FALSE

3. What did you see instead?
   文件所有者依然是root，并出现以下提示：
   Warning: chown(): Unable to find uid for nobody in ......
   open(......) failed. Error: Permission denied[13]

4. What version of Swoole are you using (show your php --ri swoole)?
   swoole V6

5. What is your machine environment used (show your uname -a & php -v & gcc -v) ?
   Linux iZuf68ujmphbn8maxiqqp6Z 5.10.134-12.2.al8.x86_64 编译出错 #1 SMP Thu Oct 27 10:07:15 CST 2022 x86_64 x86_64 x86_64 GNU/Linux

[matyhtf]

#5437