From: guoguangwu <guoguangwug@gmail.com>
Date: Mon, 25 Mar 2024 00:52:53 +0000 (+0000)
Subject: crypto/rand: close /dev/random on plan9 after seeding
X-Git-Tag: go1.23rc1~779
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=2c6773618d4d5ef8f93ccc890ad5154da7fda020;p=gostls13.git

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>
---

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 {