Fix checksum calculation bug when the payload is a CompositeByteBuf with readerIndex > 0 #5479

	#
	# Licensed to the Apache Software Foundation (ASF) under one
	# or more contributor license agreements. See the NOTICE file
	# distributed with this work for additional information
	# regarding copyright ownership. The ASF licenses this file
	# to you under the Apache License, Version 2.0 (the
	# "License"); you may not use this file except in compliance
	# with the License. You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing,
	# software distributed under the License is distributed on an
	# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	# KIND, either express or implied. See the License for the
	# specific language governing permissions and limitations
	# under the License.
	#

	name: Bot tests
	on:
	issue_comment:
	types: [created]

	jobs:
	bot:
	name: Bot tests
	runs-on: ubuntu-latest

	steps:
	- name: clone repository
	uses: actions/checkout@v2

	- name: bot actions
	uses: actions/github-script@v1
	env:
	PROVIDER: 'apache'
	REPOSITORY: 'bookkeeper'
	RERUN_CMD: 'rerun failure checks'
	with:
	github-token: ${{secrets.BKBOT_TOKEN}}
	script: \|
	const path = require('path')
	const scriptPath = path.resolve('.github/actions/bot/src/run.js')
	require(scriptPath)({core}, {context}, {github})

Provide feedback