the latest release 3.0.7 for red head enterprise 8.* crashes when Daemon is On

[minghuiliu2008]

Bug Report

Describe the bug

To Reproduce

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• Example log message if applicable:

  {"log":"YOUR LOG MESSAGE HERE","stream":"stdout","time":"2018-06-11T14:37:30.681701731Z"}

• Steps to reproduce the problem:

Expected behavior

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Your Environment

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• Configuration:
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Additional context

[minghuiliu2008]

It is very easy to reproduce.. With the following sample configuration: It will crash at time of start up. If you switch Daemon Off, there seems to be no issues.

[SERVICE]
    Flush        1
    Daemon   On
    Log_Level    info
    Parsers_File parsers.conf
    Log_File     /var/log/fluent-bit.log
[INPUT]
    Name   dummy
    Tag    dummy.local
    Dummy  {"key": "value"}
[OUTPUT]
    Name                s3
    Match               *
    bucket              [some-test-backet]
    region              ap-southeast-2
    total_file_size     5M
    upload_timeout      1m
    use_put_object      On
    store_dir           /etc/fluent-bit/s3