netdev - Re: [PATCH bpf-next] libbpf: Use OPTS_SET() macro in bpf_xdp

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Message-Id: 
 <170724242913.20911.7567549858006801341.git-patchwork-notify@kernel.org>
Date: Tue, 06 Feb 2024 18:00:29 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Toke Høiland-Jørgensen <toke@...hat.com>@codeaurora.org
Cc: ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
 martin.lau@...ux.dev, eddyz87@...il.com, song@...nel.org,
 yonghong.song@...ux.dev, john.fastabend@...il.com, kpsingh@...nel.org,
 sdf@...gle.com, haoluo@...gle.com, jolsa@...nel.org, davem@...emloft.net,
 kuba@...nel.org, hawk@...nel.org, maciej.fijalkowski@...el.com,
 bpf@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH bpf-next] libbpf: Use OPTS_SET() macro in bpf_xdp_query()

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@...nel.org>:

On Tue,  6 Feb 2024 13:59:22 +0100 you wrote:
> When the feature_flags and xdp_zc_max_segs fields were added to the libbpf
> bpf_xdp_query_opts, the code writing them did not use the OPTS_SET() macro.
> This causes libbpf to write to those fields unconditionally, which means
> that programs compiled against an older version of libbpf (with a smaller
> size of the bpf_xdp_query_opts struct) will have its stack corrupted by
> libbpf writing out of bounds.
> 
> [...]

Here is the summary with links:
  - [bpf-next] libbpf: Use OPTS_SET() macro in bpf_xdp_query()
    https://git.kernel.org/bpf/bpf-next/c/92a871ab9fa5

You are awesome, thank you!
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