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swoole_async_dns_lookup 会coredump

发现用了swoole_async_dns_lookup
就会core dump
运行的例子 weather_server.php

```shell
Core was generated by `php -f weather_server.php'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  zend_mm_free_heap (ptr=0xb1f59038, heap=0xb6600040)
    at /home/paul/php-7.0.7/Zend/zend_alloc.c:1408
1408			ZEND_MM_CHECK(chunk->heap == heap, "zend_mm_heap corrupted");

(gdb) bt
#0  zend_mm_free_heap (ptr=0xb1f59038, heap=0xb6600040)
    at /home/paul/php-7.0.7/Zend/zend_alloc.c:1408
#1  _efree (ptr=ptr@entry=0xb1f59038)
    at /home/paul/php-7.0.7/Zend/zend_alloc.c:2466
#2  0x0846572f in zend_hash_do_resize (ht=ht@entry=0xb1f59008)
    at /home/paul/php-7.0.7/Zend/zend_hash.c:893
#3  0x08466a8f in _zend_hash_add_or_update_i (flag=1, pData=0xbfd740b0, 
    key=0xb665d4b0, ht=0xb1f59008) at /home/paul/php-7.0.7/Zend/zend_hash.c:604
#4  _zend_hash_str_update (ht=ht@entry=0xb1f59008, 
    str=str@entry=0xb6243ec1 "open_length_check", len=17, 
    pData=pData@entry=0xbfd740b0) at /home/paul/php-7.0.7/Zend/zend_hash.c:667
#5  0x0845ce31 in zend_symtable_str_update (pData=0xbfd740b0, 
    len=<optimized out>, str=0xb6243ec1 "open_length_check", ht=0xb1f59008)
    at /home/paul/php-7.0.7/Zend/zend_hash.h:407
#6  add_assoc_bool_ex (arg=arg@entry=0xb665e7b0, 
    key=key@entry=0xb6243ec1 "open_length_check", key_len=key_len@entry=17, 
    b=b@entry=0) at /home/paul/php-7.0.7/Zend/zend_API.c:1351
#7  0xb6207cfb in zim_swoole_http_server_start (execute_data=0xb66130d0, 
    return_value=0xb66130c0) at /home/paul/swoole-src/swoole_http_server.c:1357
#8  0x084d4fe5 in ZEND_DO_FCALL_SPEC_HANDLER ()
    at /home/paul/php-7.0.7/Zend/zend_vm_execute.h:842
#9  0x084964da in execute_ex (ex=0xb6613020)
    at /home/paul/php-7.0.7/Zend/zend_vm_execute.h:414

```

发布于7年前 · 1 次浏览 · 来自提问

rambo

发现用了swoole_async_dns_lookup
就会core dump
运行的例子 weather_server.php

```