Re: [PATCH bpf-next v1 0/4] bpf, sockmap: Fix data loss and panic issues

[John Fastabend]

On 2025-04-10 03:10:37, patchwork-bot+netdevbpf@xxxxxxxxxx wrote:
> Hello:
> 
> This series was applied to bpf/bpf-next.git (master)
> by Alexei Starovoitov <ast@xxxxxxxxxx>:
> 
> On Mon,  7 Apr 2025 22:21:19 +0800 you wrote:
> > I was writing a benchmark based on sockmap + TCP and discovered several
> > issues:
> > 
> > 1. When EAGAIN occurs, the direction of skb is incorrect, causing data
> >    loss when retry.
> > 2. When sending partial data, the offset is not recorded, leading to
> >    duplicate data being sent when retry.
> > 3. An unexpected BUG_ON() judgment in skb_linearize is triggered.
> > 4. The memory of psock->ingress_skb is not limited by the socket buffer
> >    and memcg.
> > 
> > [...]

LGTM thanks for the fixes Jiayuan. Good to see someone working through
all the cases.

already merged but ACK for me.


> 
> Here is the summary with links:
>   - [bpf-next,v1,1/4] bpf, sockmap: Fix data lost during EAGAIN retries
>     https://git.kernel.org/bpf/bpf-next/c/7683167196bd
>   - [bpf-next,v1,2/4] bpf, sockmap: fix duplicated data transmission
>     https://git.kernel.org/bpf/bpf-next/c/3b4f14b79428
>   - [bpf-next,v1,3/4] bpf, sockmap: Fix panic when calling skb_linearize
>     https://git.kernel.org/bpf/bpf-next/c/5ca2e29f6834
>   - [bpf-next,v1,4/4] selftest/bpf/benchs: Add benchmark for sockmap usage
>     https://git.kernel.org/bpf/bpf-next/c/7b2fa44de5e7
> 
> You are awesome, thank you!
> -- 
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>