Hi Pablo,
On Thu, Jan 02, 2025 at 04:44:43PM +0100, Pablo Neira Ayuso wrote:
> All these cases cause imbalance between BIND and UNBIND calls:
>
> - Delete an interface from a flowtable with multiple interfaces
>
> - Add a (device to a) flowtable with --check flag
>
> - Delete a netns containing a flowtable
>
> - In an interactive nft session, create a table with owner flag and
> flowtable inside, then quit.
>
> Fix it by calling FLOW_BLOCK_UNBIND when unregistering hooks, then
> remove late FLOW_BLOCK_UNBIND call when destroying flowtable.
>
> Fixes: ff4bf2f42a40 ("netfilter: nf_tables: add nft_unregister_flowtable_hook()")
> Reported-by: Phil Sutter <phil@xxxxxx>
> Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Tested-by: Phil Sutter <phil@xxxxxx>
Added printk calls for debugging and recreated the above scenarios, no
imbalance found. Thanks for your fix!
I have to rebase my pending patch series upon this one now. :)
Cheers, Phil
