netdev - Re: [PATCH v2] nvme-tcp: Fix netns UAF introduced by commit 1be52169c348

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Message-ID: <20250408050408.GA32223@lst.de>
Date: Tue, 8 Apr 2025 07:04:08 +0200
From: Christoph Hellwig <hch@....de>
To: Kuniyuki Iwashima <kuniyu@...zon.com>
Cc: hch@....de, axboe@...nel.dk, gechangzhong@...tc.cn, kbusch@...nel.org,
	linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
	netdev@...r.kernel.org, sagi@...mberg.me, shaopeijie@...tc.cn,
	zhang.guanghui@...tc.cn
Subject: Re: [PATCH v2] nvme-tcp: Fix netns UAF introduced by commit
 1be52169c348

On Mon, Apr 07, 2025 at 10:18:18AM -0700, Kuniyuki Iwashima wrote:
> The followup patch is wrong, and the correct fix is to take a reference
> to the netns by sk_net_refcnt_upgrade().

Can you send a formal patch for this?