Re: Sets update

[Pablo Neira Ayuso <pablo@netfilter.org>]

On Tue, Jul 23, 2024 at 09:24:39AM +0200, Slavko wrote:
[...]
> (The host has >6 GB of free RAM, the list has ~1700 items)
> 
> Initially i blame IP duplicates in downloaded list of IPs, but that was
> unrelated to this error. When i remove the first "add" and "delete"
> lines from script (thus just one "add"), it works. After initial fill it
> works with all three commands (add+delete+add) on already filled set
> and even when i flush that set, it still works. Only first fill (after
> boot) ends with that error.
> 
> When i delete and create that set, i got "Out of memory" again, the set
> is defined as::
> 
>     table inet fw4 {
> 	set myset {
> 		type ipv4_addr
> 		last counter
> 		timeout 2d
> 	}
>     }
> 
> I tried to add "size" into it, but that doesn't help.
> 
> I roughly remember, that i read something about some memory limit in
> container (i am not in container), but i am not able to find that
> again to check if that is problem.
> 
> Please, what can cause that initial fill error, how i can debug/solve
> it?

Kernel is likely missing this patch:

commit fa23e0d4b756d25829e124d6b670a4c6bbd4bf7e
Author: Florian Westphal <fw@strlen.de>
Date:   Wed May 8 14:52:47 2024 +0200

    netfilter: nf_tables: allow clone callbacks to sleep

You mentioned you are on 5.15, right?