netdev - [PATCH net v2 0/2] Silence bad offload warning when sending UDP GSO with IPv6 extension headers

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Message-Id: <20240801-udp-gso-egress-from-tunnel-v2-0-9a2af2f15d8d@cloudflare.com>
Date: Thu, 01 Aug 2024 15:52:52 +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 v2 0/2] Silence bad offload warning when sending UDP
 GSO with IPv6 extension headers

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>
---
Changes in v2:
- Contain the fix inside the GSO stack after discussing with Willem
- Rework tests after realizing the regression has nothing to do with tunnels
- Link to v1: https://lore.kernel.org/r/20240725-udp-gso-egress-from-tunnel-v1-0-5e5530ead524@cloudflare.com

---
Jakub Sitnicki (2):
      gso: Skip bad offload detection when device supports requested GSO
      selftests/net: Add coverage for UDP GSO with IPv6 extension headers

 net/core/gso.c                       |  6 ++++--
 tools/testing/selftests/net/udpgso.c | 25 ++++++++++++++++++++++++-
 2 files changed, 28 insertions(+), 3 deletions(-)