Re: [PATCH v2 2/5] connector/cn_proc: Add filtering to fix some bugs

[Anjali Kulkarni]

> On Mar 14, 2023, at 10:16 PM, Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
> 
> On Tue, 14 Mar 2023 19:18:47 -0700 Anjali Kulkarni wrote:
>> diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
>> index 003c7e6ec9be..ad8ec18152cd 100644
>> --- a/net/netlink/af_netlink.c
>> +++ b/net/netlink/af_netlink.c
>> @@ -63,6 +63,7 @@
>> #include <linux/net_namespace.h>
>> #include <linux/nospec.h>
>> #include <linux/btf_ids.h>
>> +#include <linux/connector.h>
> 
> Not needed any more.
Will remove
> 
>> 	/* must not acquire netlink_table_lock in any way again before unbind
>> 	 * and notifying genetlink is done as otherwise it might deadlock
>> 	 */
>> -	if (nlk->netlink_unbind) {
>> +	if (nlk->netlink_unbind && nlk->groups) {
> 
> Why?
Just an additional check, will remove
> 
>> 		int i;
>> -
>> 		for (i = 0; i < nlk->ngroups; i++)
>> 			if (test_bit(i, nlk->groups))
>> 				nlk->netlink_unbind(sock_net(sk), i + 1);
> 
> Please separate the netlink core changes from the connector
> changes.
Will do in the next revision
> 
> Please slow down with new versions, we have 300 patches in the queue,
> replying to one version just to notice you posted a new one is
> frustrating. Give reviewers 24h to reply.
Ok, sure!

Anjali