From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@google.com>
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com,
melotti@google.com
Subject: Re: [PATCH net] inetpeer: add a missing read_seqretry() in inet_getpeer()
Date: Thu, 07 May 2026 00:50:13 +0000 [thread overview]
Message-ID: <177811501329.3280886.4810044066570088478.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260505133233.3039575-1-edumazet@google.com>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 5 May 2026 13:32:33 +0000 you wrote:
> When performing a lockless lookup over the inet_peer rbtree,
> if a matching node is found, inet_getpeer() returns it immediately
> without validating the seqlock sequence.
>
> This missing check introduces a race condition:
>
> Trigger Path: When a host receives an incoming fragmented IPv4 packet,
> ip4_frag_init() (in net/ipv4/ip_fragment.c) calls inet_getpeer_v4()
> to track the peer.
>
> [...]
Here is the summary with links:
- [net] inetpeer: add a missing read_seqretry() in inet_getpeer()
https://git.kernel.org/netdev/net/c/67ef49047d31
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-05-07 0:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-05 13:32 [PATCH net] inetpeer: add a missing read_seqretry() in inet_getpeer() Eric Dumazet
2026-05-07 0:50 ` patchwork-bot+netdevbpf [this message]
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