net: clear completed Buffers to permit earlier collection

Fixes #45163

Change-Id: Ie034145e3818930bb19371d73ec6960cbdc55aa7
Reviewed-on: https://go-review.googlesource.com/c/go/+/303829
Run-TryBot: Baokun Lee <bk@golangcn.org>
Trust: Baokun Lee <bk@golangcn.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>

diff --git a/src/net/net.go b/src/net/net.go
index 4b4ed129ccc3f8e798e601f6110230f0579ad49e..7e172b708e054d473d15074162610566601b4e0c 100644 (file)
--- a/src/net/net.go
+++ b/src/net/net.go
@@ -733,6 +733,7 @@ func (v *Buffers) consume(n int64) {
                        return
                }
                n -= ln0
+               (*v)[0] = nil
                *v = (*v)[1:]
        }
 }