id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	uname	nginx_version
2172	it will be core when ngx_event_connect_peer connect fail	June-Snow@…		"  the call chain is ngx_stream_proxy_handler -> ngx_stream_proxy_connect->
ngx_event_connect_peer->ngx_log_error_core(level=3, log=0x39e7b2b0, err=99, fmt=fmt@entry=0x7b900e ""connect() to %V failed"") at src/core/ngx_log.c:149 -> ngx_stream_log_error -> ngx_stream_proxy_log_error -> ngx_connection_local_sockaddr -> ngx_palloc (pool=0x0, size=16) at src/core/ngx_palloc.c:126

pool is null lead to coredump, the reason is the pool not inited when ngx_event_connect_peer fail with connect err 99"	defect	new	minor		documentation	1.19.x				3.10.0-327 centos	nginx version: nginx/1.14.2