From 2c6773618d4d5ef8f93ccc890ad5154da7fda020 Mon Sep 17 00:00:00 2001
From: guoguangwu <guoguangwug@gmail.com>
Date: Mon, 25 Mar 2024 00:52:53 +0000
Subject: [PATCH] crypto/rand: close /dev/random on plan9 after seeding

Change-Id: I77241ed2ccace63062e862438dd9d7fcebc88201
GitHub-Last-Rev: dbff3282e06ac8a9af1635c750a37d1d69f18fc8
GitHub-Pull-Request: golang/go#66505
Reviewed-on: https://go-review.googlesource.com/c/go/+/573976
Auto-Submit: Emmanuel Odeke <emmanuel@orijtech.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
---
 src/crypto/rand/rand_plan9.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/crypto/rand/rand_plan9.go b/src/crypto/rand/rand_plan9.go
index 5d0af0959e..8db19157a7 100644
--- a/src/crypto/rand/rand_plan9.go
+++ b/src/crypto/rand/rand_plan9.go
@@ -44,6 +44,7 @@ func (r *reader) Read(b []byte) (n int, err error) {
 			r.seedErr = err
 			return
 		}
+		defer entropy.Close()
 		_, r.seedErr = io.ReadFull(entropy, r.key[:])
 	})
 	if r.seedErr != nil {
-- 
2.51.0