From: Jakub Kicinski <kuba@kernel.org>
To: Taehee Yoo <ap420073@gmail.com>
Cc: Michael Bommarito <michael.bommarito@gmail.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S . Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v5 0/2] amt: fix use-after-free of the skb head across pulls
Date: Tue, 21 Jul 2026 17:43:11 -0700 [thread overview]
Message-ID: <20260721174311.4a4b3028@kernel.org> (raw)
In-Reply-To: <20260711151934.2955226-1-michael.bommarito@gmail.com>
On Sat, 11 Jul 2026 11:19:32 -0400 Michael Bommarito wrote:
> Several AMT receive and transmit paths cache a pointer into the skb head
> and then call a helper that can reallocate that head before the cached
> pointer is used again, so the later access reads or writes freed memory.
Taehee, please review?
next prev parent reply other threads:[~2026-07-22 0:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-11 15:19 [PATCH net v5 0/2] amt: fix use-after-free of the skb head across pulls Michael Bommarito
2026-07-11 15:19 ` [PATCH net v5 1/2] amt: re-read skb header pointers after every pull Michael Bommarito
2026-07-11 15:19 ` [PATCH net v5 2/2] amt: make the head writable before rewriting the L2 header Michael Bommarito
2026-07-20 11:06 ` [PATCH net v5 0/2] amt: fix use-after-free of the skb head across pulls Simon Horman
2026-07-22 0:43 ` Jakub Kicinski [this message]
2026-07-22 1:41 ` Taehee Yoo
2026-07-22 10:44 ` Michael Bommarito
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