Hello:

This patch was applied to bpf/bpf-next.git (refs/heads/master):

On Wed, 16 Jun 2021 12:23:24 +0800 you wrote:

A Segmentation fault error is caused when the following command
is executed.

$ sudo ./samples/bpf/xdp_redirect lo
Segmentation fault

This command is missing a device <IFNAME|IFINDEX> as an argument, resulting
in out-of-bounds access from argv.

[...]

Here is the summary with links:
  - [bpf] samples/bpf: Fix Segmentation fault for xdp_redirect command
    https://git.kernel.org/bpf/bpf-next/c/85102ba58b41

You are awesome, thank you!
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