membuffer: fix data race when `IsReadOnly` and Set may be concurrently invoked #4950

	name: Unit Test

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.21.6

	- name: Test
	run: go test ./...

	race-test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.21.6

	- name: Test with race
	run: go test -race ./...

	golangci:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.21.6

	- name: Go generate and check diff
	run: \|
	go generate ./...
	git diff --exit-code

	- name: Lint
	uses: golangci/golangci-lint-action@v3
	with:
	version: v1.55.2
	skip-pkg-cache: true

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