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 422C52153FA; Thu, 12 Dec 2024 16:45:28 +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=1734021928; cv=none; b=FDGrgg9R5XAgh/GXmwHkmrzIe+YOIexpn1ztdgU/KQZfLjnaf6gDmtBfflRt7Mz/vY2SlMx2DNb0JiyRLYXFPXPcijzKiw6C1O5MOcmfkNZOhWmy7Kx2Vz0Xaedh6Z3BFbADwqYKJ2ppB+nZ8HqoTxZnc64DyE3ty+Up/goCpP4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734021928; c=relaxed/simple; bh=xcgqE10bRV6rn71nL4tF98RPVm90yk7taeMGmNnpCAU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=It15zA9pC4WMFa3rk1OL/Qc9Hx/GNAHp/Va+70oIJJuXkMp9h8x53HGHIo9equGJgEciWBwgOpVjOf+z5O7We5x9zqYrAQ3Ue1tARWf7FcA1HkY+R1uNQS1WDOs8IZmAL4OEMERULNheX+ebkF1+ZDPjyH1ndQ+QJyBISYDlnHM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=CEbfXs+B; 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="CEbfXs+B" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A307EC4CED3; Thu, 12 Dec 2024 16:45:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1734021928; bh=xcgqE10bRV6rn71nL4tF98RPVm90yk7taeMGmNnpCAU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CEbfXs+BPA/ckRWekU7SvrKOLa2gOZcPoxcDeyrHO8pCYit/1MpGCEWdKzxLsQXsj whUfhUHp70mRFJ6PIPvatAF+lhvgOBgPV6bJ9iRVoimPNDMC3r6sNY32QSfGM4Poxw Qjl0+PZzpST+E2JBTLLE+OfrdJjRS39oDnrahvM8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Chen Ridong , Gaurav Jain , =?UTF-8?q?Horia=20Geant=C4=83?= , Herbert Xu , Sasha Levin Subject: [PATCH 5.15 101/565] crypto: caam - add error check to caam_rsa_set_priv_key_form Date: Thu, 12 Dec 2024 15:54:56 +0100 Message-ID: <20241212144315.477178977@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241212144311.432886635@linuxfoundation.org> References: <20241212144311.432886635@linuxfoundation.org> User-Agent: quilt/0.67 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-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chen Ridong [ Upstream commit b64140c74e954f1db6eae5548ca3a1f41b6fad79 ] The caam_rsa_set_priv_key_form did not check for memory allocation errors. Add the checks to the caam_rsa_set_priv_key_form functions. Fixes: 52e26d77b8b3 ("crypto: caam - add support for RSA key form 2") Signed-off-by: Chen Ridong Reviewed-by: Gaurav Jain Reviewed-by: Horia Geantă Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/caam/caampkc.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c index 51b48b57266a6..7881846651d12 100644 --- a/drivers/crypto/caam/caampkc.c +++ b/drivers/crypto/caam/caampkc.c @@ -979,7 +979,7 @@ static int caam_rsa_set_pub_key(struct crypto_akcipher *tfm, const void *key, return -ENOMEM; } -static void caam_rsa_set_priv_key_form(struct caam_rsa_ctx *ctx, +static int caam_rsa_set_priv_key_form(struct caam_rsa_ctx *ctx, struct rsa_key *raw_key) { struct caam_rsa_key *rsa_key = &ctx->key; @@ -988,7 +988,7 @@ static void caam_rsa_set_priv_key_form(struct caam_rsa_ctx *ctx, rsa_key->p = caam_read_raw_data(raw_key->p, &p_sz); if (!rsa_key->p) - return; + return -ENOMEM; rsa_key->p_sz = p_sz; rsa_key->q = caam_read_raw_data(raw_key->q, &q_sz); @@ -1021,7 +1021,7 @@ static void caam_rsa_set_priv_key_form(struct caam_rsa_ctx *ctx, rsa_key->priv_form = FORM3; - return; + return 0; free_dq: kfree_sensitive(rsa_key->dq); @@ -1035,6 +1035,7 @@ static void caam_rsa_set_priv_key_form(struct caam_rsa_ctx *ctx, kfree_sensitive(rsa_key->q); free_p: kfree_sensitive(rsa_key->p); + return -ENOMEM; } static int caam_rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key, @@ -1080,7 +1081,9 @@ static int caam_rsa_set_priv_key(struct crypto_akcipher *tfm, const void *key, rsa_key->e_sz = raw_key.e_sz; rsa_key->n_sz = raw_key.n_sz; - caam_rsa_set_priv_key_form(ctx, &raw_key); + ret = caam_rsa_set_priv_key_form(ctx, &raw_key); + if (ret) + goto err; return 0; -- 2.43.0