From: Phil Sutter <phil@nwl.cc>
To: Florian Westphal <fw@strlen.de>
Cc: netfilter-devel@vger.kernel.org, Fabio <pedretti.fabio@gmail.com>
Subject: [nf-next PATCH v2 0/2] netfilter: xt_recent: Allow for larger hitcount values
Date: Fri, 14 Jun 2024 17:16:39 +0200 [thread overview]
Message-ID: <20240614151641.28885-1-phil@nwl.cc> (raw)
Changes since v1:
- Do not support insanely large hitcount values to limit the amount of
storage allocated per entry
- Fix typo in subject of patch 1
Patch 2 lifts the restriction of 255 as max hitcount value by adjusting
XT_RECENT_MAX_NSTAMPS value and increasing required struct field sizes
accordingly.
In struct recent_entry, field 'nstamps' was 16bit in size of unclear
reasons. Patch 1 changes that to match field 'index' providing rationale
why it is sufficient, thus paving the way for keeping both at 16bit (and
avoiding a larger size for 'nstamps').
Phil Sutter (2):
netfilter: xt_recent: Reduce size of struct recent_entry::nstamps
netfilter: xt_recent: Lift restrictions on max hitcount value
net/netfilter/xt_recent.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--
2.43.0
next reply other threads:[~2024-06-14 15:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-14 15:16 Phil Sutter [this message]
2024-06-14 15:16 ` [nf-next PATCH v2 1/2] netfilter: xt_recent: Reduce size of struct recent_entry::nstamps Phil Sutter
2024-06-26 16:12 ` Pablo Neira Ayuso
2024-06-26 22:40 ` Phil Sutter
2024-06-26 23:39 ` Pablo Neira Ayuso
2024-06-27 0:06 ` Phil Sutter
2024-06-14 15:16 ` [nf-next PATCH v2 2/2] netfilter: xt_recent: Lift restrictions on max hitcount value Phil Sutter
2024-06-14 15:24 ` Pablo Neira Ayuso
2024-06-14 15:58 ` Fabio Pedretti
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