netdev - Re: [PATCH bpf-next] bpf: Make sure internal and UAPI bpf

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Message-Id: 
 <172781223105.541677.17664830432727433314.git-patchwork-notify@kernel.org>
Date: Tue, 01 Oct 2024 19:50:31 +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@...ichev.me, haoluo@...gle.com, jolsa@...nel.org, liuhangbin@...il.com,
 brouer@...hat.com, syzbot+cca39e6e84a367a7e6f6@...kaller.appspotmail.com,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 bpf@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH bpf-next] bpf: Make sure internal and UAPI bpf_redirect flags
 don't overlap

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Fri, 20 Sep 2024 14:56:24 +0200 you wrote:
> The bpf_redirect_info is shared between the SKB and XDP redirect paths,
> and the two paths use the same numeric flag values in the ri->flags
> field (specifically, BPF_F_BROADCAST == BPF_F_NEXTHOP). This means that
> if skb bpf_redirect_neigh() is used with a non-NULL params argument and,
> subsequently, an XDP redirect is performed using the same
> bpf_redirect_info struct, the XDP path will get confused and end up
> crashing, which syzbot managed to trigger.
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf: Make sure internal and UAPI bpf_redirect flags don't overlap
    https://git.kernel.org/bpf/bpf/c/09d88791c7cd

You are awesome, thank you!
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