Messages in this thread | | | Date | Thu, 9 Feb 2023 17:09:58 +0100 (CET) | From | Jan Engelhardt <> | Subject | Re: [lvc-project] [PATCH] netfilter: xt_recent: Fix attempt to update removed entry |
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On Thursday 2023-02-09 16:07, Florian Westphal wrote:
>Igor Artemiev <Igor.A.Artemiev@mcst.ru> 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.
I suppose the exclusivity is only checked at the iptables command-line and neverwhere else.
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