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Groups > linux.debian.bugs.dist > #1088149

Bug#1002706: Fwd: nftables stateless NAT in raw table mangles fragmented UDP packets

From Salvatore Bonaccorso <carnil@debian.org>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1002706: Fwd: nftables stateless NAT in raw table mangles fragmented UDP packets
Date 2022-01-04 18:10 +0100
Message-ID <DBVtU-7Z0-9@gated-at.bofh.it> (permalink)
References (2 earlier) <DBQDT-4NU-1@gated-at.bofh.it> <DBV0R-7yG-3@gated-at.bofh.it> <DBV0R-7yG-1@gated-at.bofh.it> <Dz5zs-2p4-3@gated-at.bofh.it> <DBV0R-7yG-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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Hi Steffen,

On Tue, Jan 04, 2022 at 05:35:11PM +0100, Steffen Weinreich wrote:
> 
> Am 04.01.22 um 17:31 schrieb Salvatore Bonaccorso:
> > Awesome. Can you confirm that as well on the upstrem thread, so i
> > guess the maintainers will finalize the change for inclusion in
> > mainline?
> 
> For 5.16 I did.

Ack, and apologies, I did not saw it on the list archive, and wanted
to make sure we have it on track.

> Regarding 4.19, the patch does not work there since the struct pkt does
> not have a member fragoff. I suppose this is hidden deeply in the skbuf
> structure...

Sad. You might ask the maintainers if they can consider the fix as
well for older stable series, mentioneing back the one you would be
intersted in (so 4.19.y in your case). But in any case the change
needs to land first in mainline before any consideration for stable@
can be done.

Regards,
Salvatore

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Thread

Bug#1002706: linux-image-5.10.0-10-amd64: nftables stateless NAT in raw table mangles fragmented UDP packets Steffen Weinreich <steve@weinreich.org> - 2021-12-27 22:20 +0100
  Bug#1002706: nftables stateless NAT in raw table mangles fragmented UDP packets also reproducible in linux-image-5.16.0-rc7-amd64-unsigned Steffen Weinreich <steve@weinreich.org> - 2021-12-30 13:00 +0100
    Bug#1002706: nftables stateless NAT in raw table mangles fragmented UDP packets also reproducible in linux-image-5.16.0-rc7-amd64-unsigned Salvatore Bonaccorso <carnil@debian.org> - 2021-12-31 12:00 +0100
      Bug#1002706: nftables stateless NAT in raw table mangles fragmented UDP packets also reproducible in linux-image-5.16.0-rc7-amd64-unsigned Steffen Weinreich <steve@weinreich.org> - 2021-12-31 12:20 +0100
        Bug#1002706: nftables stateless NAT in raw table mangles fragmented UDP packets also reproducible in linux-image-5.16.0-rc7-amd64-unsigned Salvatore Bonaccorso <carnil@debian.org> - 2021-12-31 16:00 +0100
  Bug#1002706: Fwd: nftables stateless NAT in raw table mangles fragmented UDP packets Steffen Weinreich <steve@weinreich.org> - 2022-01-04 17:40 +0100
    Bug#1002706: Fwd: nftables stateless NAT in raw table mangles fragmented UDP packets Salvatore Bonaccorso <carnil@debian.org> - 2022-01-04 18:10 +0100
      Bug#1002706: Fwd: nftables stateless NAT in raw table mangles fragmented UDP packets Steffen Weinreich <steve@weinreich.org> - 2022-01-04 21:20 +0100
  Bug#1002706: Fwd: nftables stateless NAT in raw table mangles fragmented UDP packets Salvatore Bonaccorso <carnil@debian.org> - 2022-01-04 17:40 +0100

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