netdev - [PATCH net 0/2] Fix bad offload warning when sending UDP GSO from a tunnel device

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Message-Id: <20240725-udp-gso-egress-from-tunnel-v1-0-5e5530ead524@cloudflare.com>
Date: Thu, 25 Jul 2024 11:55:53 +0200
From: Jakub Sitnicki <jakub@...udflare.com>
To: netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Willem de Bruijn <willemb@...gle.com>, 
 kernel-team@...udflare.com, 
 syzbot+e15b7e15b8a751a91d9a@...kaller.appspotmail.com
Subject: [PATCH net 0/2] Fix bad offload warning when sending UDP GSO from
 a tunnel device

This series addresses a recent regression report from syzbot [1].
Please see patch 1 description for details.

[1] https://lore.kernel.org/all/000000000000e1609a061d5330ce@google.com/

Signed-off-by: Jakub Sitnicki <jakub@...udflare.com>
---
Jakub Sitnicki (2):
      udp: Mark GSO packets as CHECKSUM_UNNECESSARY early on on output
      selftests/net: Add coverage for UDP GSO with egress from tunnel

 net/ipv4/udp.c                        |  7 ++++++
 net/ipv4/udp_offload.c                |  8 -------
 net/ipv6/udp.c                        |  7 ++++++
 tools/testing/selftests/net/udpgso.sh | 41 ++++++++++++++++++++++++++++++++---
 4 files changed, 52 insertions(+), 11 deletions(-)