From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F2178A94A; Tue, 8 Apr 2025 11:48:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744112908; cv=none; b=pQ3wh2uFUtdz/0f5cctx51HDOzngunXYNUbDmdsmYzo1olm8r2MmpZOpCdTd16WR0+Pm6ND2jStcySDfrzcu0UepDxsKJdf/LfC2Ve4lNChUqEWDQUOQvyk9cfdXDqY/eG0j1yVhHrd1J5lV8AM56ILp9iwFSzV2izIGrL7PAUU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744112908; c=relaxed/simple; bh=k0G6dnZtxYs9UuWlfpfJckJGdXNVXzhsYxQKqrX9TI0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NXb0cprOZLcpRGyxRK4wFbxp15AfSHRLISUwHYqWaDj3ke9xu+Yt+eKiP++W0RMD5lBxa+TK6o83SZXaYM/dmrOGrQkgB2TPtxnpEbPPny1Z+bp6laSLBbUj1ig7VBNnKc8y6E5gmraoaYImGOgIiZfo9FQupjMEaZiiQ8+A65U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=itBqDsXo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="itBqDsXo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7F75CC4CEE5; Tue, 8 Apr 2025 11:48:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1744112907; bh=k0G6dnZtxYs9UuWlfpfJckJGdXNVXzhsYxQKqrX9TI0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=itBqDsXoEc/lbYqxjdQwIWmLpnIMofwp65CqHB28ax6zwXQpuH6nuk56nSqw03UQD OboKphekzyqThFupPwD8QyyKbcemUwaMAdwb/55Ma3moDbKMJd9fyLGODkS1ZerD5K p6sexteTSZixZODxoD7+PzmlkajDOnBMo/OZS/SA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pablo Neira Ayuso , Sasha Levin Subject: [PATCH 5.15 241/279] netfilter: nft_set_hash: GC reaps elements with conncount for dynamic sets only Date: Tue, 8 Apr 2025 12:50:24 +0200 Message-ID: <20250408104832.890295082@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250408104826.319283234@linuxfoundation.org> References: <20250408104826.319283234@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pablo Neira Ayuso [ Upstream commit 9d74da1177c800eb3d51c13f9821b7b0683845a5 ] conncount has its own GC handler which determines when to reap stale elements, this is convenient for dynamic sets. However, this also reaps non-dynamic sets with static configurations coming from control plane. Always run connlimit gc handler but honor feedback to reap element if this set is dynamic. Fixes: 290180e2448c ("netfilter: nf_tables: add connlimit support") Signed-off-by: Pablo Neira Ayuso Signed-off-by: Sasha Levin --- net/netfilter/nft_set_hash.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c index 5c4209b49bda7..a592cca7a61f9 100644 --- a/net/netfilter/nft_set_hash.c +++ b/net/netfilter/nft_set_hash.c @@ -310,7 +310,8 @@ static bool nft_rhash_expr_needs_gc_run(const struct nft_set *set, nft_setelem_expr_foreach(expr, elem_expr, size) { if (expr->ops->gc && - expr->ops->gc(read_pnet(&set->net), expr)) + expr->ops->gc(read_pnet(&set->net), expr) && + set->flags & NFT_SET_EVAL) return true; } -- 2.39.5