linux-kernel - Re: [PATCH net] ipv4: correctly iterate over the target netns in inet_dump

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Message-ID: <CANn89iLOqXZO_nD0FBUvJypgTA6NTL2dKvXYDxpMuZReYZXFDQ@mail.gmail.com>
Date: Wed, 29 May 2024 10:29:24 +0200
From: Eric Dumazet <edumazet@...gle.com>
To: Christian Brauner <brauner@...nel.org>
Cc: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>, kuba@...nel.org, 
	dsahern@...nel.org, pabeni@...hat.com, stgraber@...raber.org, 
	davem@...emloft.net, netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] ipv4: correctly iterate over the target netns in inet_dump_ifaddr()

On Wed, May 29, 2024 at 9:49 AM Christian Brauner <brauner@...nel.org> wrote:
>
> On Tue, May 28, 2024 at 10:30:30PM +0200, Alexander Mikhalitsyn wrote:
> > A recent change to inet_dump_ifaddr had the function incorrectly iterate
> > over net rather than tgt_net, resulting in the data coming for the
> > incorrect network namespace.
> >
> > Fixes: cdb2f80f1c10 ("inet: use xa_array iterator to implement inet_dump_ifaddr()")
> > Reported-by: Stéphane Graber <stgraber@...raber.org>
> > Closes: https://github.com/lxc/incus/issues/892
> > Bisected-by: Stéphane Graber <stgraber@...raber.org>
> > Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
> > Tested-by: Stéphane Graber <stgraber@...raber.org>
> > ---
>
> Acked-by: Christian Brauner <brauner@...nel.org>

Thanks a lot for the bisection and the fix !

Reviewed-by: Eric Dumazet <edumazet@...gle.com>