Re: [lvc-project] [PATCH] netfilter: xt_recent: Fix attempt to update removed entry

From: Florian Westphal
Date: Thu Feb 09 2023 - 10:07:44 EST


Igor Artemiev <Igor.A.Artemiev@xxxxxxx> wrote:
> When both --remove and --update flag are specified, there's a code
> path at which the entry to be updated is removed beforehand,
> that leads to kernel crash. Update entry, if --remove flag
> don't specified.
>
> Found by Linux Verification Center (linuxtesting.org) with SVACE.

How did you manage to do this? --update and --remove are supposed
to be mutually exclusive.