Hello:
This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <[email protected]>:
On Fri, 9 Oct 2026 20:47:46 +0300 you wrote:
> BPF_PROG_TEST_RUN with BPF_F_TEST_SKB_CHECKSUM_COMPLETE returns -EBADMSG
> for correct tc programs that call bpf_skb_change_tail(). The helper
> moves the skb to CHECKSUM_NONE and leaves skb->csum stale, but the
> post-run check added by commit a3cfe84cca28 ("bpf: Add CHECKSUM_COMPLETE
> to bpf test progs") still compares against it.
>
> Patch 1 only does the check while the skb is still CHECKSUM_COMPLETE.
> Patch 2 adds selftests for a trim, a grow followed by a write, and a
> negative case that keeps the skb CHECKSUM_COMPLETE with a stale
> skb->csum.
>
> [...]
Here is the summary with links:
- [bpf,v2,1/2] bpf: test_run: Fix false -EBADMSG after skb leaves
CHECKSUM_COMPLETE
https://git.kernel.org/bpf/bpf-next/c/36edb1c7738d
- [bpf,v2,2/2] selftests/bpf: Cover test_run csum validation after
bpf_skb_change_tail()
https://git.kernel.org/bpf/bpf-next/c/2e6be13e8ca4
You are awesome, thank you!
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