linux-kernel - Re: [PATCH v2] ipv4: ping: fix bind address validity check

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Message-ID: <YrBH1MXZq2/3Z94T@kroah.com>
Date:   Mon, 20 Jun 2022 12:11:32 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Maciej Żenczykowski <maze@...gle.com>
Cc:     patchwork-bot+netdevbpf@...nel.org, stable@...r.kernel.org,
        Riccardo Paolo Bestetti <pbl@...tov.io>,
        Carlos Llamas <cmllamas@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, kernel-team@...roid.com,
        Kernel hackers <linux-kernel@...r.kernel.org>,
        Linux NetDev <netdev@...r.kernel.org>,
        Miaohe Lin <linmiaohe@...wei.com>
Subject: Re: [PATCH v2] ipv4: ping: fix bind address validity check

On Fri, Jun 17, 2022 at 04:45:52PM -0700, Maciej Żenczykowski wrote:
> On Fri, Jun 17, 2022 at 4:30 AM <patchwork-bot+netdevbpf@...nel.org> wrote:
> >
> > Hello:
> >
> > This patch was applied to netdev/net.git (master)
> > by David S. Miller <davem@...emloft.net>:
> >
> > On Fri, 17 Jun 2022 10:54:35 +0200 you wrote:
> > > Commit 8ff978b8b222 ("ipv4/raw: support binding to nonlocal addresses")
> > > introduced a helper function to fold duplicated validity checks of bind
> > > addresses into inet_addr_valid_or_nonlocal(). However, this caused an
> > > unintended regression in ping_check_bind_addr(), which previously would
> > > reject binding to multicast and broadcast addresses, but now these are
> > > both incorrectly allowed as reported in [1].
> > >
> > > [...]
> >
> > Here is the summary with links:
> >   - [v2] ipv4: ping: fix bind address validity check
> >     https://git.kernel.org/netdev/net/c/b4a028c4d031
> >
> > You are awesome, thank you!
> > --
> > Deet-doot-dot, I am a bot.
> > https://korg.docs.kernel.org/patchwork/pwbot.html
> 
> I believe this [
> https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b4a028c4d031
> ] needs to end up in 5.17+ LTS (though I guess 5.17 is eol, so
> probably just 5.18)

5.17 is end-of-life, sorry.

And this needs to hit Linus's tree first.

thanks,

greg k-h