Re: [PATCH net v2] vsock/virtio: account only unread bytes in read_skb()
From: patchwork-bot+netdevbpf
Date: Tue Oct 06 2026 - 19:22:40 EST
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Fri, 2 Oct 2026 00:13:10 +0900 you wrote:
> After a partial stream receive, rx_bytes tracks the unread suffix while
> buf_used and peer credit still cover the whole packet.
> virtio_transport_read_skb() dequeues that packet but passes pkt_len for
> both counters, underflowing rx_bytes.
>
> On a connected CID_LOCAL stream with an SK_SKB verdict, a 40-byte read
> from a 100-byte packet made SIOCINQ report -40, an empty recv return
> ELOOP, and poll report the empty socket readable. After verdict detach,
> receiving 40 bytes wrapped the counter to zero and hid those queued bytes
> until one more byte arrived. The fixed run kept the counter balanced
> and exposed all queued data immediately.
>
> [...]
Here is the summary with links:
- [net,v2] vsock/virtio: account only unread bytes in read_skb()
https://git.kernel.org/netdev/net/c/a463f55c791b
You are awesome, thank you!
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