From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=195.135.223.130 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793197452; b=I6j2yN+SF5yfA6ijwwXjs+Vn/n9+sUHsQ+8ar+1aZ95J/vUe94Ygmre5LjmHuupw1CPH uYxLZhwToCwUx//BWcZ8aNVD2OFdwlyWSg3jdqIcvkUC2rG+IA0pTNJWf7qCMgmiZTd2k OiITMT+F//z8nrgVCjSPsPXnDHCyp7zro9Q9dQOYxq3hR/Ojf3sDRXDhi2k5nvUZFDaCL ECx7jo7VSjoWe8rJwLT0CzOhlKQdOqWygoZNAuimB//JL+526jTYzERxQn6rk1D8FLKLB zCCF/xZi3aHjUa3+Mq6jOnWwL2Msy17zq0JRHtwvd8Cxth+nF32g6dAT25iX8ktiCWA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793197452; h=DMARC-Filter:Received:DKIM-Signature:DKIM-Signature:DKIM-Signature: DKIM-Signature:Received:Received:Message-ID:Date:MIME-Version: User-Agent:Subject:To:Cc:References:Content-Language:From:In-Reply-To: Content-Type:Content-Transfer-Encoding:X-Rspamd-Queue-Id:X-Spam-Level: X-Rspamd-Server:X-Rspamd-Action:X-Spam-Flag:X-Spamd-Result: X-Spam-Score; bh=/PT46a5OQHjLVPNOL9vrXw1V6oTcz8SAwynmCtaEe1c=; b=3vW2P6xDIs9Om7gCN7zibKPWQJJnccwG9aTcyMjcKL6y6I7b88oDti2lr3ryIfDugm1Z xVF5CW/gs67bB+IpyMk4LYnGKRIUoOazgEdw/d38nW54MUKbTwghuxm4nHOttC2PsmLUa VxyCcaRbf6t47ZQYiH0mK7gWy5FxmXkR2FAf9hBrHNECvqqy9m6Kta0AqBFwVYlq6ONkI WKWIlzV2NW/e7zSc/DIxXy3EncACxsTZtZpuKcQHw9FrUyXs9gKVPLkNoBDcK6AUnCdPt J62WVECHpEnW2kikeHzZdQ33s+WnU6Y+Hyh3xHZdxKcXA2niKSrTv5O5+oH9maQm+5Q== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=suse.de; spf=pass smtp.mailfrom=suse.de; dkim=pass header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=DKvWZxwz; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=yhpd7nZe; dkim=pass header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=DKvWZxwz; dkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=yhpd7nZe; arc=none smtp.remote-ip=195.135.223.130 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20E8D60A380A; Wed, 28 Oct 2026 14:24:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 20E8D60A380A Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=DKvWZxwz; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=yhpd7nZe; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=DKvWZxwz; dkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=yhpd7nZe Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 93661220FB; Wed, 28 Oct 2026 14:24:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1793197442; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/PT46a5OQHjLVPNOL9vrXw1V6oTcz8SAwynmCtaEe1c=; b=DKvWZxwzDkJbXDy0P6+jx85xmx9QUxpVMKD/2y0AEWF1zrDPHC+zE6BZYMiDslmjxbaOe5 RX+yalO8CLnYWAJblkPgZiv1gJ6jIBh2rkE3iBxHULAqetrV5cZSxrEId6nnp+Bo+kJSfu ZFKdr2Dquf8m14DTOwaE3S/CEVPzFWA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1793197442; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/PT46a5OQHjLVPNOL9vrXw1V6oTcz8SAwynmCtaEe1c=; b=yhpd7nZezvjAErq4Q29OG2O8kgwoRgVCaV++xl/JvxbNR1vYV8GeDPbPUdHp8QQ6TIvJHm IgiohLDKGqycfkAQ== Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=DKvWZxwz; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=yhpd7nZe DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1793197442; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/PT46a5OQHjLVPNOL9vrXw1V6oTcz8SAwynmCtaEe1c=; b=DKvWZxwzDkJbXDy0P6+jx85xmx9QUxpVMKD/2y0AEWF1zrDPHC+zE6BZYMiDslmjxbaOe5 RX+yalO8CLnYWAJblkPgZiv1gJ6jIBh2rkE3iBxHULAqetrV5cZSxrEId6nnp+Bo+kJSfu ZFKdr2Dquf8m14DTOwaE3S/CEVPzFWA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1793197442; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/PT46a5OQHjLVPNOL9vrXw1V6oTcz8SAwynmCtaEe1c=; b=yhpd7nZezvjAErq4Q29OG2O8kgwoRgVCaV++xl/JvxbNR1vYV8GeDPbPUdHp8QQ6TIvJHm IgiohLDKGqycfkAQ== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 1CD781342D; Wed, 28 Oct 2026 14:24:02 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 3PfsOIEF4mqHcwAAD6G6ig (envelope-from ); Wed, 28 Oct 2026 14:24:02 +0000 Message-ID: Date: Wed, 28 Oct 2026 15:24:01 +0100 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 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC net-next v2 5/5] selftests/tls: add KeyUpdate tests To: martin.nvme.dev@gmail.com, John Fastabend , Jakub Kicinski , Sabrina Dubroca , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Jonathan Corbet , Shuah Khan , Randy Dunlap , Shuah Khan Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Hannes Reinecke , Chuck Lever , kernel-tls-handshake@lists.linux.dev, linux-nvme@lists.infradead.org, Alistair Francis , Martin Belanger References: <20261028-keyupdate-rfc-v2-0-eb5143b4c487@gmail.com> <20261028-keyupdate-rfc-v2-5-eb5143b4c487@gmail.com> Content-Language: en-US From: Hannes Reinecke In-Reply-To: <20261028-keyupdate-rfc-v2-5-eb5143b4c487@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 93661220FB X-Spam-Level: X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Action: no action X-Spam-Flag: NO X-Spamd-Result: default: False [-12.00 / 50.00]; SUSE_INTERNAL_BYPASS(-9.00)[]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; XM_UA_NO_VERSION(0.01)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; ARC_NA(0.00)[]; FREEMAIL_TO(0.00)[gmail.com,kernel.org,queasysnail.net,davemloft.net,redhat.com,lwn.net,linuxfoundation.org,infradead.org]; RCPT_COUNT_TWELVE(0.00)[22]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; RCVD_TLS_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; TAGGED_RCPT(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,suse.de:email,imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo] X-Spam-Score: -12.00 On 10/28/26 2:52 PM, Martin Belanger via B4 Relay wrote: > From: Martin Belanger > > Test the in-kernel KeyUpdate on a bidirectional connection with both > traffic secrets registered on each socket: > > - registration errors: wrong length, missing key, TLS 1.2, SM4, the > RX secret before the TX secret, and a secret that does not give the > installed key; > - KeyUpdates in both directions with data around them; > - a data record, a KeyUpdate and another data record queued before > the first read; > - update_requested: the peer answers before its next data, and a > second request waits for the answer; > - splice() across a KeyUpdate; > - a key installed with TLS_TX removes the registered secrets; > - after a key installed with TLS_RX, a new update_requested is > accepted; > - TLS_TX_KEY_UPDATE on a shut down socket does not raise SIGPIPE; > - more than 8 KeyUpdates in one second, and an invalid > request_update value, end the connection. > > The keys are derived from the secrets with HKDF-Expand-Label, with the > HMAC of the kernel through AF_ALG. > > Assisted-by: LLM > Signed-off-by: Martin Belanger > --- > tools/testing/selftests/net/config | 4 + > tools/testing/selftests/net/tls.c | 412 +++++++++++++++++++++++++++++++++++++ > 2 files changed, 416 insertions(+) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich