netdev - Re: [PATCH] bpf: make sure mac_header was set before using it

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Date:   Thu, 07 Jul 2022 18:20:13 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Eric Dumazet <edumazet@...gle.com>
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        daniel@...earbox.net, ast@...nel.org, andrii@...nel.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        eric.dumazet@...il.com, syzkaller@...glegroups.com
Subject: Re: [PATCH] bpf: make sure mac_header was set before using it

Hello:

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

On Thu,  7 Jul 2022 12:39:00 +0000 you wrote:
> Classic BPF has a way to load bytes starting from the mac header.
> 
> Some skbs do not have a mac header, and skb_mac_header()
> in this case is returning a pointer that 65535 bytes after
> skb->head.
> 
> Existing range check in bpf_internal_load_pointer_neg_helper()
> was properly kicking and no illegal access was happening.
> 
> [...]

Here is the summary with links:
  - bpf: make sure mac_header was set before using it
    https://git.kernel.org/bpf/bpf/c/0326195f523a

You are awesome, thank you!
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