netdev - Re: Race condition in route lookup

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Message-ID: <CANSNSoXA1PhbGAzTP9K8FkGxL0tgT13+uLG3hJgesuUysWjC1Q@mail.gmail.com>
Date:   Fri, 11 Oct 2019 11:09:58 -0500
From:   Jesse Hathaway <jesse@...ki-mvuki.org>
To:     Ido Schimmel <idosch@...sch.org>
Cc:     weiwan@...gle.com, netdev@...r.kernel.org
Subject: Re: Race condition in route lookup

On Fri, Oct 11, 2019 at 10:42 AM Ido Schimmel <idosch@...sch.org> wrote:
> Do you remember when you started seeing this behavior? I think it
> started in 4.13 with commit ffe95ecf3a2e ("Merge branch
> 'net-remove-dst-garbage-collector-logic'").

Unfortunately, our data on when the problem started is a bit fuzzy, but we
definitely started experiencing this issue after upgrading our routers to
4.19.18. We were previously running 4.9 on our routers and we don't believe we
saw the issue on 4.9, but we also do not have definitive data to confirm.