netdev - Re: [PATCH bpf] bpf, sockmap: Fix af_unix null-ptr-deref in proto update

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Message-ID: <82925c1e-11ad-4cf0-9b44-c22ee9193cf9@rbox.co>
Date: Sat, 7 Feb 2026 15:37:46 +0100
From: Michal Luczaj <mhal@...x.co>
To: Martin KaFai Lau <martin.lau@...ux.dev>,
 Kuniyuki Iwashima <kuniyu@...gle.com>, Jakub Sitnicki
 <jakub@...udflare.com>, John Fastabend <john.fastabend@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>,
 Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org,
 bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf] bpf, sockmap: Fix af_unix null-ptr-deref in proto
 update

On 2/2/26 20:15, Martin KaFai Lau wrote:
> Regardless, if the proper lock is held, all this complication and 
> reasoning will go away.

Here's my attempt:
https://lore.kernel.org/bpf/20260207-unix-proto-update-null-ptr-deref-v2-0-9f091330e7cd@rbox.co/