Re: [PATCH net-next v2 2/2] ipv6: mcast: annotate igmp6 timer expiry race

From: Ido Schimmel

Date: Thu Jun 11 2026 - 02:35:59 EST


On Tue, Jun 09, 2026 at 05:11:13PM +0900, Yuyang Huang wrote:
> /proc/net/igmp6 walks IPv6 multicast memberships under RCU and reads
> mca_work.timer.expires to print the remaining multicast timer. The
> delayed-work timer can be updated concurrently.
>
> Annotate the intentional lockless procfs snapshot with READ_ONCE().
>
> Signed-off-by: Yuyang Huang <sigefriedhyy@xxxxxxxxx>

Reviewed-by: Ido Schimmel <idosch@xxxxxxxxxx>