Re: Soft lock-ups caused by iptables

From: Florian Westphal

Date: Wed Nov 19 2025 - 10:58:46 EST


Phil Sutter <phil@xxxxxx> wrote:
> On nftables side, maybe we could annotate chains with a depth value once
> validated to skip digging into them again when revisiting from another
> jump?

Yes, but you also need to annotate the type of the last base chain origin,
else you might skip validation of 'chain foo' because its depth value says its
fine but new caller is coming from filter, not nat, and chain foo had
masquerade expression.