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 11A7B34D939; Wed, 4 Mar 2026 15:49:38 +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=1772639379; cv=none; b=fOQJ4bfn2oxieEfFyhi0v3QuEsIT8TZxfcdDJ/Zvc9XiuhM0JFiNHpfRiHIJ7y0QprpW9Wt50Krnv8t/TiZYVcyoxEG9z2oBh/VAhOnL/n/DAekLJk0sFW5o2bZaIwk/KlUqs1Ag1OaCP52VSX7GYKcMamKSpXaey8E8HLHrvrQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772639379; c=relaxed/simple; bh=iPAF1drKICNggNun7GphaTRw/CcYhCbJrK++qvsvkhw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=EcpsD7pfE78j1iso8RbZ771jUdplxV5vMWZOLtL+E2mtfCgzTHYqZV49N8u+fEgXaZTyRoUeoH87MFAp1DRnqeOysv2jqaGBY8PhyoA5DnObIryTsyrxfxfE7S0E6+YdvRyDaZMgVAVcTOfAv8QzDzVAPrZ1HpYpTs5g9YEUUNw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=B6nxALNu; 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="B6nxALNu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2BBBC19423; Wed, 4 Mar 2026 15:49:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772639378; bh=iPAF1drKICNggNun7GphaTRw/CcYhCbJrK++qvsvkhw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=B6nxALNulkQaxogDUAvbSdI12+tHQzeiM+xvyrZi3r7vlxedr4L9c8r0LwInk+pi4 /4mYJoknWpo2PSUbeRsIo8D4I3aksQTwXUNbYPWclyX46TWAYCUsLNukIjYVKk7F9Q aSW2yCZsZ4dzbTx2oHdiWR/3KLb09mxtI8v6cJZvVpn5MtFPtde8qaSWjieesrcb0o zLFlVvP8c2/T29hWJQh1p5H+4+k/+Ml4msnzwHbCQ48Yfw9FnFHGFMYskwMVqKPZaq i9s0glhyJsmghXa8R/2dfu+MJch4FbY8M+6U/tahL+mkTuMztxb7yO/MOoSOVTm4vU 6HKN5cqxWh0jg== Message-ID: Date: Wed, 4 Mar 2026 08:49:37 -0700 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net 1/3] bpf: bpf_out_neigh_v4: Fix nd_tbl NULL dereference when IPv6 is disabled Content-Language: en-US To: Daniel Borkmann , Fernando Fernandez Mancera , Jakub Kicinski Cc: =?UTF-8?Q?Ricardo_B=2E_Marli=C3=A8re?= , Martin KaFai Lau , John Fastabend , Stanislav Fomichev , Alexei Starovoitov , Andrii Nakryiko , Eduard Zingerman , Song Liu , Yonghong Song , KP Singh , Hao Luo , Jiri Olsa , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , =?UTF-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , Jay Vosburgh , Andrew Lunn , Hangbin Liu , bpf@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260228-net-nd_tbl_fixes-v1-0-2b2a274df9bb@suse.com> <20260228-net-nd_tbl_fixes-v1-1-2b2a274df9bb@suse.com> <0b52257d-d557-4f26-9931-34c81ab621bc@iogearbox.net> <20260302171131.28373ccb@kernel.org> <0d7bb5c5-4122-4dc9-b52b-c305591207d1@suse.de> From: David Ahern In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/3/26 9:49 PM, Daniel Borkmann wrote: > Maybe the "fix" could be to just switch IPV6 from tristate to bool in > the Kconfig, and then once net merges into net-next we could deconstruct > all the helper cruft which makes the late on-demand module loading of > IPv6 work. +1