Re: [PATCH bpf-next v2] bpf: Use memmove() to load bytes from an skb and an xdp_buff

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:

On Thu, 22 Oct 2026 16:53:11 +0530 you wrote:
> bpf_dynptr_read() on an skb or xdp dynptr ends in bpf_skb_load_bytes()
> or bpf_xdp_load_bytes(). The destination can be a slice of the same
> packet, so it can overlap the source, which memcpy() does not allow.
> On x86 with FSRM memcpy() copies forward, so a destination above the
> source gets the first bytes repeated:
> 
>   p = bpf_dynptr_slice_rdwr(&ptr, 8, NULL, 64);
>   bpf_dynptr_read(p, 64, &ptr, 0, 0);
> 
> [...]

Here is the summary with links:
  - [bpf-next,v2] bpf: Use memmove() to load bytes from an skb and an xdp_buff
    https://git.kernel.org/bpf/bpf/c/b93cf2c8a055

You are awesome, thank you!
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