Re: [PATCH net v4] virtio-net: fix len check in receive_big()

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Mon, 15 Jun 2026 21:28:37 -0700 you wrote:
> receive_big() bounds the device-announced length by
> (big_packets_num_skbfrags + 1) * PAGE_SIZE.  That is still too loose:
> add_recvbuf_big() sets sg[1] to start at offset
> sizeof(struct padded_vnet_hdr) into the first page, so the chain
> actually carries hdr_len + (PAGE_SIZE - sizeof(padded_vnet_hdr)) +
> big_packets_num_skbfrags * PAGE_SIZE bytes -- 20 bytes less than the
> check allows for the common hdr_len == 12 case.
> 
> [...]

Here is the summary with links:
  - [net,v4] virtio-net: fix len check in receive_big()
    https://git.kernel.org/netdev/net/c/9e5ad06ea826

You are awesome, thank you!
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