Re: [PATCH net-next v2 0/2] ipv6: mcast: annotate data races in /proc/net/igmp6

From: patchwork-bot+netdevbpf

Date: Fri Jun 12 2026 - 20:31:17 EST


Hello:

This series was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Tue, 9 Jun 2026 17:11:11 +0900 you wrote:
> /proc/net/igmp6 walks IPv6 multicast memberships under RCU without
> holding idev->mc_lock, taking a lockless snapshot of two fields that
> writers update under the lock: mca_flags and mca_work.timer.expires.
>
> Patch 1 adds WRITE_ONCE() to all mca_flags update sites and READ_ONCE()
> to the procfs reader. Patch 2 does the same for the timer.expires read
> in the procfs path.
>
> [...]

Here is the summary with links:
- [net-next,v2,1/2] ipv6: mcast: annotate data-races around mca_flags
https://git.kernel.org/netdev/net-next/c/d0dc208808a2
- [net-next,v2,2/2] ipv6: mcast: annotate igmp6 timer expiry race
https://git.kernel.org/netdev/net-next/c/1ea2f885a76b

You are awesome, thank you!
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