From: Cong Wang
Date: Tue, 29 Nov 2016 09:14:56 -0800
> netlink kernel socket is protected by refcount, not RCU.
> Its rcv path is neither protected by RCU. So the synchronize_net()
> is just pointless.
>
> Cc: Richard Guy Briggs
> Signed-off-by: Cong Wang
Applied, thanks.
On Wed, Nov 30, 2016 at 1:16 AM, Richard Guy Briggs wrote:
> On 2016-11-29 09:14, Cong Wang wrote:
>> netlink kernel socket is protected by refcount, not RCU.
>> Its rcv path is neither protected by RCU. So the synchronize_net()
>> is just pointless.
>
> If I understand correctly, xfrm_user_net_ex
On 2016-11-29 09:14, Cong Wang wrote:
> netlink kernel socket is protected by refcount, not RCU.
> Its rcv path is neither protected by RCU. So the synchronize_net()
> is just pointless.
If I understand correctly, xfrm_user_net_exit() usage of
RCU_INIT_POINTER() and synchronize_net() is similarly
netlink kernel socket is protected by refcount, not RCU.
Its rcv path is neither protected by RCU. So the synchronize_net()
is just pointless.
Cc: Richard Guy Briggs
Signed-off-by: Cong Wang
---
kernel/audit.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/audit.c
