From: patchwork-bot+netdevbpf@kernel.org
To: Yuyang Huang <sigefriedhyy@gmail.com>
Cc: jiayuan.chen@linux.dev, davem@davemloft.net, dsahern@kernel.org,
edumazet@google.com, idosch@nvidia.com, kuba@kernel.org,
pabeni@redhat.com, horms@kernel.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH net-next] ipv6: mcast: annotate data-races around mca_users
Date: Thu, 28 May 2026 00:10:11 +0000 [thread overview]
Message-ID: <177992701164.690389.11147762277523425287.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20260524022456.20689-1-sigefriedhyy@gmail.com>
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Sun, 24 May 2026 11:24:56 +0900 you wrote:
> /proc/net/igmp6 walks IPv6 multicast memberships under RCU and prints
> mca_users without holding idev->mc_lock, while multicast join and leave
> paths update the field while holding idev->mc_lock. Annotate this
> intentional lockless snapshot with READ_ONCE() and the matching writers
> with WRITE_ONCE().
>
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Yuyang Huang <sigefriedhyy@gmail.com>
>
> [...]
Here is the summary with links:
- [net-next] ipv6: mcast: annotate data-races around mca_users
https://git.kernel.org/netdev/net-next/c/56ed77ff6022
You are awesome, thank you!
--
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prev parent reply other threads:[~2026-05-28 0:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-24 2:24 [PATCH net-next] ipv6: mcast: annotate data-races around mca_users Yuyang Huang
2026-05-27 7:15 ` Ido Schimmel
2026-05-28 0:10 ` patchwork-bot+netdevbpf [this message]
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