Re: [PATCH net-next v2] ipv4: igmp: annotate data-races around im->users

From: patchwork-bot+netdevbpf

Date: Mon May 25 2026 - 14:33:42 EST


Hello:

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

On Fri, 22 May 2026 18:39:06 +0900 you wrote:
> /proc/net/igmp walks IPv4 multicast memberships under RCU and
> prints im->users without holding RTNL, while multicast join and leave
> paths update the field while holding RTNL. 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@xxxxxxxxx>
>
> [...]

Here is the summary with links:
- [net-next,v2] ipv4: igmp: annotate data-races around im->users
https://git.kernel.org/netdev/net-next/c/061c0aa740d5

You are awesome, thank you!
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