From: Steffen Klassert <steffen.klassert@secunet.com>
To: "dongchenchen (A)" <dongchenchen2@huawei.com>
Cc: <herbert@gondor.apana.org.au>, <davem@davemloft.net>,
<edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>,
<horms@kernel.org>, <tpluszz77@gmail.com>,
<netdev@vger.kernel.org>, <zhangchangzhong@huawei.com>,
<xuchunxiao3@huawei.com>
Subject: Re: [PATCH net] xfrm: Fix dev use-after-free in xfrm async resumption
Date: Tue, 9 Jun 2026 08:14:39 +0200 [thread overview]
Message-ID: <aievTyGbNueY5BBt@secunet.com> (raw)
In-Reply-To: <7c79c7a1-897a-490e-91e1-83a1ac5ad27a@huawei.com>
On Tue, Jun 02, 2026 at 03:38:29PM +0800, dongchenchen (A) wrote:
>
> Maybe we can fix it as bellow:
> Stash the original dev to fix refcnt imbalance. Add rcu protection
> for new skb->dev set by xfrm_rcv_cb to fix potential race with device
> teardown.
Please submit the patch. In case we find issues then,
you can just do another version.
prev parent reply other threads:[~2026-06-09 6:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-29 9:21 [PATCH net] xfrm: Fix dev use-after-free in xfrm async resumption Dong Chenchen
2026-06-01 6:32 ` Steffen Klassert
2026-06-01 12:17 ` dongchenchen (A)
2026-06-02 7:38 ` dongchenchen (A)
2026-06-09 6:14 ` Steffen Klassert [this message]
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