From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 136302FD1B1 for ; Wed, 11 Feb 2026 02:14:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770776049; cv=none; b=YplsMussYSTSXDVIJco2coiFPbp79lt+w38Dkr9hFKu3TsYb+DW+jI7+2Yy7OzvEuany+Z65FjxPINkzN7Ak881hx4XlmOnTbkH7EMn+bFcTPfRQrLnFNy7tVIZOjGUOIuLg+oEs37a5++6ixST/nffBnd3418/qHNkbsjasrnQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770776049; c=relaxed/simple; bh=2nONMecAlliorhX0hR7OB9uQEl1LmAXUfqMnJeruTL4=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ALDqzSOUaIgpQ621ltwj9AwwGVfetBMQsBZKbzaNMxq+cSyLLxW0sIxPtk3007z1Xh0XZFmPAx0XRFmPfYTi5eJwkG12s2ggmVEYMWx0CjuAw4vgQIowQxFLeee6DIDg31ZyXsJtHqEgjAUOiItIQZJIRVUzfKchlTleC/nogO0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=C7tYPjJ0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="C7tYPjJ0" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78255C116C6; Wed, 11 Feb 2026 02:14:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770776048; bh=2nONMecAlliorhX0hR7OB9uQEl1LmAXUfqMnJeruTL4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=C7tYPjJ0zrlkXAlhRKq9rnFJALxsDWdsPGHJM8zhTtCgo4GnA7ag2WZheuFBj7ikK 2dmV5LAQaFQ4AuN15YvUGvRUs2uwj9fT15QW8fsjyrMWy8Td6H8qID+NQfqBvl1e9W X5s1v9Y0gj5m+hNeTgvKd1XyEDbySflm+ywTNhi9qeB9rwfJJ1bfXEjxxkW3Yw4MG0 77h1wTTZMBBmPIKaDNNDOJueaNEk9nYTB2SGR8eILcn/lmxDjhiw2avhEbrapJeiK8 x7Tk6UA4v9kicrYBaoNj5ecv6PG2ous/V6fYdFMd1pvDIMsPlnQyVMMGACf7bQ5SlY HLy3EhQT+exxg== Date: Tue, 10 Feb 2026 18:14:07 -0800 From: Jakub Kicinski To: Linus Heckemann Cc: edumazet@google.com, liuhangbin@gmail.com, davem@davemloft.net, eric.dumazet@gmail.com, horms@kernel.org, morikw2@gmail.com, netdev@vger.kernel.org, pabeni@redhat.com, syzbot+d4dda070f833dc5dc89a@syzkaller.appspotmail.com Subject: Re: [PATCH v2] selftests/net: add test for IPv4-in-IPv6 tunneling Message-ID: <20260210181407.413c702d@kernel.org> In-Reply-To: <20260209190008.139099-2-git@sphalerite.org> References: <20260209190008.139099-2-git@sphalerite.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 9 Feb 2026 20:00:09 +0100 Linus Heckemann wrote: > commit 81c734dae203 ("ip6_tunnel: use skb_vlan_inet_prepare() in > __ip6_tnl_rcv()") was fine in and of itself, but its backport to 6.12 > (and 6.6) broke IPv4-in-IPv6 tunneling, see [1]. This adds a self-test > for basic IPv4-in-IPv6 and IPv6-in-IPv6 functionality. > > [1]: https://lore.kernel.org/all/CAA2RiuSnH_2xc+-W6EnFEG00XjS-dszMq61JEvRjcGS31CBw=g@mail.gmail.com/ Missing your Signed-off-by: ... Is this the output you expect (ignore the first two numbers, they are just output timing within our infra): TAP version 13 1..1 # overriding timeout to 7200 # selftests: net: ip6_tunnel.sh # Warning: file ip6_tunnel.sh is not executable # 1.17 [+1.17] PING 172.0.0.2 (172.0.0.2) 56(84) bytes of data. # 1.18 [+0.00] 64 bytes from 172.0.0.2: icmp_seq=1 ttl=64 time=2.31 ms # 1.18 [+0.00] # 1.18 [+0.00] --- 172.0.0.2 ping statistics --- # 1.19 [+0.00] 1 packets transmitted, 1 received, 0% packet loss, time 0ms # 1.19 [+0.00] rtt min/avg/max/mdev = 2.311/2.311/2.311/0.000 ms # 1.24 [+0.05] PING 2001:db8:6::2 (2001:db8:6::2) 56 data bytes # 1.24 [+0.00] 64 bytes from 2001:db8:6::2: icmp_seq=1 ttl=64 time=0.368 ms # 1.25 [+0.00] # 1.25 [+0.00] --- 2001:db8:6::2 ping statistics --- # 1.25 [+0.00] 1 packets transmitted, 1 received, 0% packet loss, time 0ms # 1.25 [+0.00] rtt min/avg/max/mdev = 0.368/0.368/0.368/0.000 ms # 1.58 [+0.33] Cannot find device "transport1" ok 1 selftests: net: ip6_tunnel.sh Tests don't usually print raw ping output to stdout, plus the Cannot find device "transport1" looks a bit off? -- pw-bot: cr