Re: [PATCH net-next] netfilter: flowtable: Fix accessing null dst entry

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On Wed, Mar 25, 2020 at 12:53:28PM +0200, Paul Blakey wrote:
> Unlink nft flow table flows, flows from act_ct tables don't have route,
> and so don't have a dst_entry. nf_flow_rule_match() tries to deref
> this null dst_entry regardless.
> 
> Fix that by checking for dst entry exists, and if not, skip
> tunnel match.

This is fixed in nf-next:

https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next.git/commit/

I'll get this merged into net-next asap.



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