Le 20/05/2026 à 19:22, Ilya Maximets a écrit :
> If the current skb is not shared, it is re-used directly for all the
> sockets subscribed to the notification. If we have remote all-nsid
> socket receiving a message first, then the 'nsid_is_set' will be
> set to 'true'. If the nsid is NOT_ASSIGNED for the next socket in
> the list, the 'nsid_is_set' will remain 'true' and the negative value
> is be delivered to the user space. All subsequent nsid values will be
> delivered as well, since there is no code path that sets the flag
> back to 'false'.
>
> Fix that by always dropping the flag to 'false' first.
>
> Fixes: 7212462fa6fd ("netlink: don't send unknown nsid")
> Signed-off-by: Ilya Maximets <[email protected]>
Acked-by: Nicolas Dichtel <[email protected]>
