Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 498A628C2BF; Thu, 20 Aug 2026 17:33:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787247225; cv=none; b=l80F//JU1NsJm03Vo+eysH0ORSWv6lBdtW9yXF6+m6X2CEA9n2hBdUrfki9er57FX2AP5AvRfgfsd7TWYdAlq8kfQKCI0k7SWJViwGLO/Kz89tGbzoHO8KHHV+ovYuYFXXC5lFyrZ/pv8Uy17PcUoF00NZzBeqFx8rLKRf1CSvA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787247225; c=relaxed/simple; bh=4YnDeZF1o68IpYCjkLYGIzV0B/rrFyGpudiqa6Ikzs0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UsxLvm+LQ8jCRVe75RmySwmauGF8DBYDAtt47XiHLLEeA8KAMSfLAuIPKQrgsQFoCciiRsF9bhP44aa1ckv1h21ZwIC70Bge+V/QMqb/NjvvX10BHnEsUnaX3P+ZHg7G+lp6vLOkLPZxo7TUK2br9QARPZA9P78qbzZNiCauC3k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=o8S5ACwb; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="o8S5ACwb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A5EE71F000E9; Thu, 20 Aug 2026 17:33:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1787247224; bh=pzeGFnxQSBb34Kygx0n8XbLD0nBmqvqnwCd42+9W1dM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=o8S5ACwbU0MEpyxSHGbQSoOfgrEQPB7q7jm2r7ceJI44jl2h6ATJky6XzU48zxRwe 6g31o4MupBEp6r4CGF1vVFMM3UFU0u65mKMRMxTdSNNZhuPYOF94e5O805/uTIVUv4 RwXTnDQ3Zw1Ahv4qScR+cJpQMfG1A0my6C2/8PxQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Seohyeon Maeng , Herbert Xu , Sasha Levin Subject: [PATCH 6.12 193/220] crypto: ccm - Set rfc4309 maxauthsize from child Date: Thu, 20 Aug 2026 16:56:23 +0200 Message-ID: <20260820145229.316774243@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260820145223.480031205@linuxfoundation.org> References: <20260820145223.480031205@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Herbert Xu [ Upstream commit 438f4896f78f69ec73d5f32d2c024193f1223569 ] Set the maxauthsize of rfc4309 using that of the child algorithm. Fixes: 4a49b499dfa0 ("[CRYPTO] ccm: Added CCM mode") Reported-by: Seohyeon Maeng Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- crypto/ccm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/crypto/ccm.c b/crypto/ccm.c index 36f0acec32e19..88c932faf6ced 100644 --- a/crypto/ccm.c +++ b/crypto/ccm.c @@ -751,7 +751,7 @@ static int crypto_rfc4309_create(struct crypto_template *tmpl, inst->alg.ivsize = 8; inst->alg.chunksize = crypto_aead_alg_chunksize(alg); - inst->alg.maxauthsize = 16; + inst->alg.maxauthsize = crypto_aead_alg_maxauthsize(alg); inst->alg.base.cra_ctxsize = sizeof(struct crypto_rfc4309_ctx); -- 2.53.0