Re: [PATCH] sctp: check transport existence before processing a send primitive

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To: Simon Horman <horms@xxxxxxxxxx>
Subject: Re: [PATCH] sctp: check transport existence before processing a send primitive
From: Ricardo Cañuelo Navarro <rcn@xxxxxxxxxx>
Date: Wed, 02 Apr 2025 15:37:27 +0200
Cc: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>, Xin Long <lucien.xin@xxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>, kernel-dev@xxxxxxxxxx, linux-sctp@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx
In-reply-to: <20250402132141.GO214849@horms.kernel.org>
References: <20250402-kasan_slab-use-after-free_read_in_sctp_outq_select_transport-v1-1-da6f5f00f286@igalia.com> <20250402132141.GO214849@horms.kernel.org>
User-agent: Evolution 3.54.3

Hi Simon,

On Wed, 2025-04-02 at 14:21 +0100, Simon Horman wrote:
> Hi Ricardo,
> 
> This is not a full review, and I would suggest waiting for one from
> others.
> But this will result in the local variable err being used
> uninitialised.
> 
> Flagged by Smatch.

Nice catch! Thanks, I'll queue a fix for this for v2.

Cheers,
Ricardo

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  - From: Ricardo Cañuelo Navarro
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