Hello:
This series was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:
On Tue, 28 Mar 2023 14:30:10 +0300 you wrote:
> Hello,
>
> this patchset fixes appending newly arrived skbuff to the last skbuff of
> the socket's queue during rx path. Problem fires when we are trying to
> append data to skbuff which was already processed in dequeue callback
> at least once. Dequeue callback calls function 'skb_pull()' which changes
> 'skb->len'. In current implementation 'skb->len' is used to update length
> in header of last skbuff after new data was copied to it. This is bug,
> because value in header is used to calculate 'rx_bytes'/'fwd_cnt' and
> thus must be constant during skbuff lifetime. Here is example, we have
> two skbuffs: skb0 with length 10 and skb1 with length 4.
>
> [...]
Here is the summary with links:
- [net,v2,1/3] virtio/vsock: fix header length on skb merging
https://git.kernel.org/netdev/net/c/f7154d967bc4
- [net,v2,2/3] virtio/vsock: WARN_ONCE() for invalid state of socket
https://git.kernel.org/netdev/net/c/b8d2f61fdf2a
- [net,v2,3/3] test/vsock: new skbuff appending test
https://git.kernel.org/netdev/net/c/25209a3209ec
You are awesome, thank you!
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