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server/group: fix port leak and incorrect Listen port in TCPGroup (#5200)

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Fix two bugs in TCPGroup.Listen():
- Release acquired port when net.Listen fails to prevent port leak
- Use realPort instead of port for net.Listen to ensure consistency
  between port manager records and actual listening port
This commit is contained in:
fatedier
2026-03-06 02:25:47 +08:00
committed by GitHub
parent 462c987f6d
commit f22f7d539c
1 changed files with 2 additions and 1 deletions
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3
server/group/tcp.go
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@@ -100,8 +100,9 @@ func (tg *TCPGroup) Listen(proxyName string, group string, groupKey string, addr
if err != nil { if err != nil {
return return
} }
tcpLn, errRet := net.Listen("tcp", net.JoinHostPort(addr, strconv.Itoa(port))) tcpLn, errRet := net.Listen("tcp", net.JoinHostPort(addr, strconv.Itoa(realPort)))
if errRet != nil { if errRet != nil {
tg.ctl.portManager.Release(realPort)
err = errRet err = errRet
return return
} }