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websocket每天会有几次coredump

### 问题描述
docker里面运行的php,  启用的websocket服务每天会有几次coredump

### Swoole版本，PHP版本，以及操作系统版本信息

php|swoole版本
```
bash-5.1# 
bash-5.1# php -v
PHP 7.1.12 (cli) (built: Oct 18 2021 19:45:55) ( NTS )
Copyright (c) 1997-2017 The PHP Group
Zend Engine v3.1.0, Copyright (c) 1998-2017 Zend Technologies
    with Zend OPcache v7.1.12, Copyright (c) 1999-2017, by Zend Technologies
bash-5.1# 
bash-5.1# php --ri swoole

swoole

Swoole => enabled
Author => Swoole Team <team@swoole.com>
Version => 4.5.7
Built => Oct 18 2021 19:48:52
coroutine => enabled
epoll => enabled
eventfd => enabled
signalfd => enabled
spinlock => enabled
rwlock => enabled
openssl => OpenSSL 1.1.1l  24 Aug 2021
http2 => enabled
pcre => enabled
zlib => 1.2.11
brotli => E16777225/D16777225
mutex_timedlock => enabled
pthread_barrier => enabled
async_redis => enabled

Directive => Local Value => Master Value
swoole.enable_coroutine => On => On
swoole.enable_library => On => On
swoole.enable_preemptive_scheduler => Off => Off
swoole.display_errors => On => On
swoole.use_shortname => On => On
swoole.unixsock_buffer_size => 8388608 => 8388608
bash-5.1# 
bash-5.1# uname -a
Linux 7621fca42672 5.13.13-amd64-desktop #1 SMP Tue Aug 31 18:01:11 CST 2021 x86_64 Linux

```

core信息
```shell
gdb php -c 22
GNU gdb (GDB) 10.1
Copyright (C) 2020 Free Software Foundation, Inc.                                                                                                                                                                    
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-alpine-linux-musl".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from php...

warning: Can't open file /dev/zero (deleted) during file-backed mapping note processing
[New LWP 22]
[New LWP 59]
[New LWP 58]
[New LWP 60]
[New LWP 61]
Core was generated by `HB.Worker.5                                          '.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007fd132c934e1 in swoole::String::reserve (this=0x7ffe5bd752d0, new_size=<optimized out>) at /usr/local/src/swoole-4.5.7/src/core/string.cc:132
132     /usr/local/src/swoole-4.5.7/src/core/string.cc: No such file or directory.
[Current thread is 1 (LWP 22)]
(gdb) f 0
#0  0x00007fd132c934e1 in swoole::String::reserve (this=0x7ffe5bd752d0, new_size=<optimized out>) at /usr/local/src/swoole-4.5.7/src/core/string.cc:132
132     in /usr/local/src/swoole-4.5.7/src/core/string.cc
(gdb) f 1
#1  0x00007fd132c93602 in swoole::String::append (this=this@entry=0x7ffe5bd752d0, 
    append_str=append_str@entry=0x7fd11c6db030 "{\"action\":\"order_helper\",\"order_id\":\"623969924\",\"session_id\":\"2886734015-cc9f579c-4e03-427d-a4e1-3eac64758692\",\"sign\":\"e4a155ee0cbd73faad424752def5d253\",\"timestamp\":\"1640273472\",\"userid\":\"zhw_4hia3lji"..., _length=_length@entry=205) at /usr/local/src/swoole-4.5.7/src/core/string.cc:85
85      in /usr/local/src/swoole-4.5.7/src/core/string.cc
(gdb) f 2
#2  0x00007fd132cc76de in swWebSocket_encode (buffer=buffer@entry=0x7ffe5bd752d0, 
    data=0x7fd11c6db030 "{\"action\":\"order_helper\",\"order_id\":\"623969924\",\"session_id\":\"2886734015-cc9f579c-4e03-427d-a4e1-3eac64758692\",\"sign\":\"e4a155ee0cbd73faad424752def5d253\",\"timestamp\":\"1640273472\",\"userid\":\"zhw_4hia3lji"..., length=205, opcode=opcode@entry=10 '\n', _flags=_flags@entry=1 '\001') at /usr/local/src/swoole-4.5.7/src/protocol/websocket.cc:155
155     /usr/local/src/swoole-4.5.7/src/protocol/websocket.cc: No such file or directory.

(gdb) bt 
#0  0x00007fd132c934e1 in swoole::String::reserve (this=0x7ffe5bd752d0, new_size=<optimized out>) at /usr/local/src/swoole-4.5.7/src/core/string.cc:132
#1  0x00007fd132c93602 in swoole::String::append (this=this@entry=0x7ffe5bd752d0, 
    append_str=append_str@entry=0x7fd11c6db030 "{\"action\":\"order_helper\",\"order_id\":\"623969924\",\"session_id\":\"2886734015-cc9f579c-4e03-427d-a4e1-3eac64758692\",\"sign\":\"e4a155ee0cbd73faad424752def5d253\",\"timestamp\":\"1640273472\",\"userid\":\"zhw_4hia3lji"..., _length=_length@entry=205) at /usr/local/src/swoole-4.5.7/src/core/string.cc:85
#2  0x00007fd132cc76de in swWebSocket_encode (buffer=buffer@entry=0x7ffe5bd752d0, 
    data=0x7fd11c6db030 "{\"action\":\"order_helper\",\"order_id\":\"623969924\",\"session_id\":\"2886734015-cc9f579c-4e03-427d-a4e1-3eac64758692\",\"sign\":\"e4a155ee0cbd73faad424752def5d253\",\"timestamp\":\"1640273472\",\"userid\":\"zhw_4hia3lji"..., length=205, opcode=opcode@entry=10 '\n', _flags=_flags@entry=1 '\001') at /usr/local/src/swoole-4.5.7/src/protocol/websocket.cc:155
#3  0x00007fd132c8ccab in swoole_websocket_onMessage (serv=0x7fd125e69680, req=0x7ffe5bd75440) at /usr/local/src/swoole-4.5.7/ext-src/swoole_websocket_server.cc:579
#4  0x00007fd132ce347e in std::function<int (swoole::Server*, swoole::RecvData*)>::operator()(swoole::Server*, swoole::RecvData*) const (__args#1=0x7ffe5bd75440, __args#0=<optimized out>, this=0x7fd125e69bd0)
    at /usr/include/c++/10.2.1/bits/std_function.h:622
#5  swoole::Worker_do_task (callback=..., task=0x7fd11c6db010, worker=0x7fd12df522b0, serv=0x7fd125e69680) at /usr/local/src/swoole-4.5.7/src/server/worker.cc:219
#6  swoole::Server::accept_task (this=0x7fd125e69680, task=0x7fd11c6db010) at /usr/local/src/swoole-4.5.7/src/server/worker.cc:241
#7  0x00007fd132ce3c41 in swoole::Worker_onPipeReceive (reactor=<optimized out>, event=0x7ffe5bd75590) at /usr/local/src/swoole-4.5.7/src/server/worker.cc:688
#8  0x00007fd132cca8c1 in swoole::ReactorEpoll::wait (this=0x7fd12deae830, timeo=<optimized out>) at /usr/local/src/swoole-4.5.7/src/reactor/epoll.cc:224
#9  0x00007fd132ce4066 in swoole::Reactor::wait (timeout=0x0, this=0x7fd125e06010) at /usr/local/src/swoole-4.5.7/include/swoole_reactor.h:171
#10 swoole::Server::start_event_worker (this=this@entry=0x7fd125e69680, worker=worker@entry=0x7fd12df522b0) at /usr/local/src/swoole-4.5.7/src/server/worker.cc:584
#11 0x00007fd132ccdc3d in swoole::Server::spawn_event_worker (this=0x7fd125e69680, worker=0x7fd12df522b0) at /usr/local/src/swoole-4.5.7/src/server/manager.cc:622
#12 0x00007fd132ccf42d in swoole::Server::start_manager_process (this=this@entry=0x7fd125e69680) at /usr/local/src/swoole-4.5.7/src/server/manager.cc:163
#13 0x00007fd132cd985c in swoole::ProcessFactory::start (this=0x7fd133018850) at /usr/local/src/swoole-4.5.7/src/server/process.cc:134
#14 0x00007fd132cd422a in swoole::Server::start (this=this@entry=0x7fd125e69680) at /usr/local/src/swoole-4.5.7/src/server/master.cc:609
#15 0x00007fd132c7784b in zim_swoole_server_start (execute_data=0x7fd132e13720, return_value=0x7ffe5bd757e0) at /usr/local/src/swoole-4.5.7/ext-src/swoole_server.cc:2646
#16 0x000055f4d768e9f3 in ZEND_DO_FCALL_SPEC_RETVAL_UNUSED_HANDLER () at /usr/local/src/php-7.1.12/Zend/zend_vm_execute.h:970
#17 0x000055f4d76401cb in execute_ex (ex=<optimized out>) at /usr/local/src/php-7.1.12/Zend/zend_vm_execute.h:429
#18 0x000055f4d769066f in zend_execute (op_array=op_array@entry=0x7fd132f049a0, return_value=return_value@entry=0x7fd125c33bc0) at /usr/local/src/php-7.1.12/Zend/zend_vm_execute.h:474
#19 0x000055f4d75f95a4 in zend_execute_scripts (type=type@entry=8, retval=0x7fd125c33bc0, retval@entry=0x0, file_count=853619936, file_count@entry=3) at /usr/local/src/php-7.1.12/Zend/zend.c:1482
#20 0x000055f4d7598ea8 in php_execute_script (primary_file=primary_file@entry=0x7ffe5bd77df0) at /usr/local/src/php-7.1.12/main/main.c:2579
#21 0x000055f4d7692a9f in do_cli (argc=5, argv=0x7fd1337f4940) at /usr/local/src/php-7.1.12/sapi/cli/php_cli.c:993
#22 0x000055f4d71e6fd4 in main (argc=5, argv=0x7fd1337f4940) at /usr/local/src/php-7.1.12/sapi/cli/php_cli.c:1381

```

### 你期待的结果是什么？实际看到的错误信息又是什么？
请大佬帮忙看看是什么原因引起的coredump

发布于11月前 · 24 次浏览 · 来自提问