Re: [PATCH net v2] net: gro: don't chain linear parts larger than gso_size into frag_list

From: patchwork-bot+netdevbpf

Date: Tue Oct 20 2026 - 04:43:45 EST


Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:

On Tue, 13 Oct 2026 22:02:48 +0900 you wrote:
> skb_gro_receive() chains an skb into the frag_list of the held packet
> when its payload cannot be attached as page frags: when its head is
> not a page fragment and still holds payload, or when its head and
> frags would overflow the frags[] array of the last packet. Since commit
> 5eddb24901ee ("gro: add support of (hw)gro packets to gro stack"), that
> skb may itself be a GSO packet whose linear part holds several
> gso_size segments. skb_segment() cannot split the linear part of a
> frag_list member across segments, so segmenting the aggregate in
> software, e.g. when forwarding it to a device without NETIF_F_FRAGLIST,
> hits
>
> [...]

Here is the summary with links:
- [net,v2] net: gro: don't chain linear parts larger than gso_size into frag_list
https://git.kernel.org/netdev/net/c/679f6929a66d

You are awesome, thank you!
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