Re: [PATCH bpf v4] bpf, sockmap: Fix cork use-after-free in tcp_bpf_sendmsg()

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf.git (master)
by Eduard Zingerman <eddyz87@xxxxxxxxx>:

On Fri, 24 Jul 2026 18:38:56 +0800 you wrote:
> tcp_bpf_sendmsg() keeps msg_tx across sk_stream_wait_memory(), which
> drops and reacquires the socket lock.  Its error path tries to decide
> whether msg_tx names the local temporary message by comparing it with
> the current value of psock->cork.
> 
> This comparison is unsafe when two threads send on the same socket:
> 
> [...]

Here is the summary with links:
  - [bpf,v4] bpf, sockmap: Fix cork use-after-free in tcp_bpf_sendmsg()
    https://git.kernel.org/bpf/bpf/c/2d66a033864e

You are awesome, thank you!
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