Re: [PATCH] nfp: bpf: offload: Check prog before dereference

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Subject: Re: [PATCH] nfp: bpf: offload: Check prog before dereference
From: Jakub Kicinski <kuba@xxxxxxxxxx>
Date: Wed, 18 Oct 2023 08:17:02 -0700
Cc: Louis Peens <louis.peens@xxxxxxxxxxxx>, "David S . Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>, bpf@xxxxxxxxxxxxxxx, oss-drivers@xxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, lvc-project@xxxxxxxxxxxxxxxx
In-reply-to: <20231018145244.591454-1-artem.chernyshev@red-soft.ru>

On Wed, 18 Oct 2023 17:52:44 +0300 Artem Chernyshev wrote:
> In nfp_net_bpf_offload() it is possible to dereference a
> NULL pointer.

And who would call this function with prog = NULL if old_prog
is also NULL, exactly?
-- 
pw-bot: cr

References:
- [PATCH] nfp: bpf: offload: Check prog before dereference
  - From: Artem Chernyshev

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