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Fri, 27 Feb 2026 08:12:59 -0500 (EST) Message-ID: <10537f2b74da2b8a5cb8dc939f723291db39ff84.camel@sapience.com> Subject: Re: [REGRESSION] 6.19.4 stable netfilter / nftables [resolved] From: Genes Lists To: Thorsten Leemhuis , linux-kernel@vger.kernel.org, coreteam@netfilter.org, netfilter-devel@vger.kernel.org, Pablo Neira Ayuso , Greg KH Cc: stable@vger.kernel.org, regressions@lists.linux.dev, "Kris Karas (Bug Reporting)" Date: Fri, 27 Feb 2026 08:12:59 -0500 In-Reply-To: <143e1a402ad78dd7076516a6ceb637f378310b16.camel@sapience.com> References: <45f03b0b-fe8f-4942-bad1-3fbde03d4be1@leemhuis.info> <143e1a402ad78dd7076516a6ceb637f378310b16.camel@sapience.com> Autocrypt: addr=lists@sapience.com; prefer-encrypt=mutual; keydata=mDMEXSY9GRYJKwYBBAHaRw8BAQdAwzFfmp+m0ldl2vgmbtPC/XN7/k5vscpADq3BmRy5R 7y0LU1haWwgTGlzdHMgKEwwIDIwMTkwNzEwKSA8bGlzdHNAc2FwaWVuY2UuY29tPoiWBBMWCAA+Ah sBBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAFiEE5YMoUxcbEgQOvOMKc+dlCv6PxQAFAmPJfooFCRl vRHEACgkQc+dlCv6PxQAc/wEA/Dbmg91DOGXll0OW1GKaZQGQDl7fHibMOKRGC6X/emoA+wQR5FIz BnV/PrXbao8LS/h0tSkeXgPsYxrzvfZInIAC Content-Type: multipart/signed; micalg="pgp-sha384"; protocol="application/pgp-signature"; boundary="=-nKNztZjYbaV7lLx9h1x4" User-Agent: Evolution 3.58.3 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 --=-nKNztZjYbaV7lLx9h1x4 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2026-02-27 at 07:23 -0500, Genes Lists wrote: > On Fri, 2026-02-27 at 09:00 +0100, Thorsten Leemhuis wrote: > > Lo! > >=20 >=20 > Repeating the nft error message here for simplicity: >=20 > =C2=A0Linux version 7.0.0-rc1-custom-1-00124-g3f4a08e64442 ... > =C2=A0 ... > =C2=A0 In file included from /etc/nftables.conf:134:2-44: > =C2=A0 ./etc/nftables.d/set_filter.conf:1746:7-21: Error: > =C2=A0 Could not process rule: File exists > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 xx.xxx.xxx.x/23, > =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0 ^^^^^^^^^^^^^^^ >=20 Resolved by updating userspace. I can reproduce this error on non-production machine and found this error is resolved by re-bulding updated nftables, libmnl and libnftnl: With these versions nft rules now load without error: =C2=A0- nftables commit de904e22faa2e450d0d4802e1d9bc22013044f93 - libmnl commit 54dea548d796653534645c6e3c8577eaf7d77411 =C2=A0- libnftnl commit 5c5a8385dc974ea7887119963022ae988e2a16cc All were compiled on machine running 6.19.4. --=-nKNztZjYbaV7lLx9h1x4 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iHUEABYJAB0WIQRByXNdQO2KDRJ2iXo5BdB0L6Ze2wUCaaGYWwAKCRA5BdB0L6Ze 2128AP45F4qYOvqxCKPBvV1mtaAFEuQ4d9oMwNl3H2wsPiR4rAD8Cwu6uyLQP7ZG o6UaDhz9s6lVYna3ObRxYBk1ifJYgAs= =XoXk -----END PGP SIGNATURE----- --=-nKNztZjYbaV7lLx9h1x4--