From: patchwork-bot+netdevbpf@kernel.org
To: Jiayuan Chen <jiayuan.chen@linux.dev>
Cc: netdev@vger.kernel.org, justin.iurman@gmail.com,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, horms@kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] ipv6: ioam: fix type confusion of dst_entry
Date: Sun, 21 Jun 2026 22:30:18 +0000 [thread overview]
Message-ID: <178208101866.524849.8650145418163928535.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260618104336.48934-1-jiayuan.chen@linux.dev>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 18 Jun 2026 18:43:35 +0800 you wrote:
> IOAM uses a dummy dst_entry(null_dst) to mark that the destination should
> not be changed after the transformation. This dst is stored in the IOAM lwt
> state and may be passed to dst_cache_set_ip6().
>
> However, the IPv6 dst cache path eventually calls rt6_get_cookie(), which
> treats the dst_entry as part of a struct rt6_info. Since the null_dst was
> embedded directly as a struct dst_entry in struct ioam6_lwt, this resulted
> in an invalid cast and rt6_get_cookie() reading fields from the wrong
> object.
>
> [...]
Here is the summary with links:
- [net] ipv6: ioam: fix type confusion of dst_entry
https://git.kernel.org/netdev/net/c/9ed19e11d214
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-06-21 22:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-18 10:43 [PATCH net] ipv6: ioam: fix type confusion of dst_entry Jiayuan Chen
2026-06-19 19:42 ` Justin Iurman
2026-06-21 22:30 ` patchwork-bot+netdevbpf [this message]
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