Re: [PATCH] netfilter: nf_flow_table: add missing locking

From: Eric Dumazet
Date: Mon Nov 21 2022 - 14:47:36 EST


On Mon, Nov 21, 2022 at 11:45 AM Felix Fietkau <nbd@xxxxxxxx> wrote:
>
> On 21.11.22 19:26, Felix Fietkau wrote:
> > nf_flow_table_block_setup and the driver TC_SETUP_FT call can modify the flow
> > block cb list while they are being traversed elsewhere, causing a crash.
> > Add a write lock around the calls to protect readers
> >
> > Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
> Sorry, I forgot to add this:
>
> Reported-by: Chad Monroe <chad.monroe@xxxxxxxxxxx>
>
> - Felix

Hi Felix

Could you also add a Fixes: tag ?

Thanks.