From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794423327; b=et9mUsw5yH34Af2Q25Dqu+fBdL7tPae3tWr1WvlJXVsi8tOKyTI/l3DpW/ieoR2eIz3e 9c68N+tnO0aZCblqXFvBwVOkcDTmuQyHC666p+ieRjc0FxrHWgHLPpKP62PPIlZHD6nWW zFMCUdTxNCQ0QWYf0d15B5L9FCgzoGYG6bPEiqCqETwDquYXjax8WoCA4AclHP+VVIbkK 1La0+NrNOt48Rge8ifQ85YnLjM+JiMTnrhvavoLUpixfpHR2jLRvNc3d71meWvmz+RfGy xC2iayfV6bIvz950xlyC2Z2e+N13zlvmWhR+Aa/7tDFLAhsii4UMAcjbS7GuQDx3SzA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794423327; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: MIME-Version:Content-Transfer-Encoding; bh=qig7zK5G4rY7nROTnpAyjhr/qzwfbHkIlR+Z5KlVVbI=; b=wix+yzujRK3To3awNT46f4oqxCc6VJLaMTQq9yBMuc8gzZ4CR2QB9GmNft8AQTG/HByq 64PfK48LnsDJ8+ff+PnjTD5fXIzSn4LbDt0GQQ6du2nZ957y25gpLcDbOdoReSznZ3Hth s03TXdtfsD8TWQJkgwfwAdM2ei763Oy9YwhqrZQYu6saQHkdqwbfgUKwRBSO3xHbzqGth wnofMcqYnhlutX91BN/horxvVgeOr1P3nofA+8JyBRBtDkCApIY7DwwcHibBFWIKX5emo gGTHlB/mLXX3GGi8shgOJdO7QPE2xocD7m9+lFcFA5sZ/TdAib3qwH6rfYETVghFM+Q== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Bd6JaS54; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A096D606A321; Wed, 11 Nov 2026 18:55:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Bd6JaS54 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 20FCF1F00A05; Wed, 11 Nov 2026 18:55:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794423327; bh=qig7zK5G4rY7nROTnpAyjhr/qzwfbHkIlR+Z5KlVVbI=; h=From:To:Cc:Subject:Date; b=Bd6JaS54Mh/iGL3sTMQSsn/xOGsAb/MNk1lpGxDA3rc6Re87t+XSkhIsH1q/lGORk 7dSRFPOoS9tNJVasSqxSGirma3MNd6smr1xt8KMg81wQ27tXLyeifOYFBGMZEGmgxx YdXmerc/y9N9bidOJvNSeYh8plMlYr+uN5notCdsGDBJf54WHS7zy/5+UCykZIRgaD BZThCgwEU0N3mS2W/8M+aUwD2IhWpSKSWfscaawiSTHLFCyPuC3PW+BjBlUsARQRWJ 62bfHUXnnWBpD1D8fr2dqqhN9h0yQHs/rKDjoitESzKgZkg/bSafFNVsa6YMMBRJZ2 c3we5ZRAAz2pA== From: Jakub Kicinski To: davem@davemloft.net Cc: netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, sd@queasysnail.net, john.fastabend@gmail.com, shuah@kernel.org, cel@kernel.org, linux-kselftest@vger.kernel.org, Jakub Kicinski Subject: [PATCH net v2 0/5] net: tls: break the connection after a burst of empty data records Date: Wed, 11 Nov 2026 10:55:17 -0800 Message-ID: <20261111185522.2859004-1-kuba@kernel.org> X-Mailer: git-send-email 2.56.0 X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Deal with overload of zero-length TLS records. This is the next iteration of Chuck's series. I tried to make it as simple as possible - break the connection if sender floods us with zero-length records. Consume / discard those records even on PEEK to avoid infinite rx_list growth. https://lore.kernel.org/20261019-tls-follow-on-v6-0-ab01c4ecca0c@kernel.org v2: - add missing poll() back to the selftests v1: https://lore.kernel.org/20261109175836.1246840-1-kuba@kernel.org Chuck Lever (3): tls: Consume empty data records in tls_sw_splice_read() selftests: tls: Skip the zero_len tests when TLS is unavailable selftests: tls: Extend coverage for zero-length records Jakub Kicinski (2): tls: Break the connection after a burst of empty data records selftests: tls: Cover the cap on consecutive empty records include/net/tls.h | 1 + net/tls/tls_sw.c | 77 +++++-- tools/testing/selftests/net/tls.c | 353 ++++++++++++++++++++++++++++-- 3 files changed, 390 insertions(+), 41 deletions(-) -- 2.56.0