Re: [PATCH net 1/4] netfilter: xt_recent: Fix attempt to update deleted entry

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Am 05.02.21 um 15:42 schrieb Reindl Harald:


Am 05.02.21 um 14:54 schrieb Jozsef Kadlecsik:
Hi Harald,

On Fri, 5 Feb 2021, Reindl Harald wrote:

"Reap only entries which won't be updated" sounds for me like the could
be some optimization: i mean when you first update and then check what
can be reaped the recently updated entry would not match to begin with

When the entry is new and the given recent table is full we cannot update
(add) it, unless old entries are deleted (reaped) first. So it'd require
more additional checkings to be introduced to reverse the order of the two
operations.
well, the most important thing is that the firewall-vm stops to kernel-panic

why is that still not part of 5.10.14 given how old that issue is :-(

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.14



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