netfilter: ipset: fix list type element drift bug

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[ Upstream commit 4cbd69766b ]

If list_set_uadd() calls list_set_replace() to swap an expired entry,
the element count remains the same, therefore the increment must be elided.

Fixes: 702b71e7c6 ("netfilter: ipset: Add element count to all set types header")
Link: https://sashiko.dev/#/patchset/20260806101947.2802-1-fw%40strlen.de
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Florian Westphal 2026-08-06 15:53:41 +02:00 • committed by Greg Kroah-Hartman

parent be345dcbdd

commit a02e0585dd

1 changed files with 5 additions and 2 deletions

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net/netfilter/ipset/ip_set_list_set.c

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