From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4/ITqOkfFGbtg3qQ8TSsnB36HBRviKefGOy7ONMETP72AI6dSlBTonHr5jGJ3iYs2Oz2UXU ARC-Seal: i=1; a=rsa-sha256; t=1523022257; cv=none; d=google.com; s=arc-20160816; b=b//7DRRA4OSTlOy7wpOWQKmsxlGysRk40ipxgWdK4si+fGSHe+43Ck3WzfKpmnMBTs fZb2yNTnEN8U+pioFy24EGVq7MB2IidKTn1MyQAtGEZVXORAcuUtg27/ywyltXV9ztNv lEvFY/gAsIYloaW6KNfT+BA6ZG4IuZ8S/9wXqy4yBE35+f2iXVVanjfIQmtA2vsBMXDe yuB77tUIbcSBx+ZF6xc4saZOFZEQ52LjXESzkQAtKC3aKy5I5FAskZpsK6BTfZ3tjHj2 8JWJ/H0T8mNwZFfqm/yAepiCPGXCIVml+TBOVg2yAabQko+AQDzsdAKYCNCbwIMHm4WD yP2A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=j9Xfyy31P5u8yYHWJchKlOadTSyPQ9ktFThodAMCAT4=; b=KTv+7806df2aR51VfX/uWTqPlCynFv+sJ3SFwR6vpu1tGt2Dcnd4DWdqVtcvc1+9KJ hiXfOHe2riX2D6EXRE6sHkpUP6poXs6+CqZqfCQtp9IzP19ZCb7F1AU/Nty+qLyowBfq fy4CKe3+sT3EcOIRkYUN9fLBuKMfBv3Dzouqfy2cJoWpH6UKflxCgqBiY6JgkuJh3THg 4hua9Jhgvm7fuGQP7HdSDAA+gd0SnDcp7E8Sx5nrJZkvGwu6DRi/lWRmGtitjqtbtBKY xpIuYOtW1zcsiiZlj/yIOuMKmN2j9b3JP/ZCN5G8+yDHcGw9mhQxTiVBOJj2ywMwr9aZ Y6LA== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Herbert Xu Subject: [PATCH 4.16 10/31] crypto: lrw - Free rctx->ext with kzfree Date: Fri, 6 Apr 2018 15:24:35 +0200 Message-Id: <20180406084342.491101095@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180406084340.999820380@linuxfoundation.org> References: <20180406084340.999820380@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1597004267731189000?= X-GMAIL-MSGID: =?utf-8?q?1597004587270077315?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Herbert Xu commit 8c9bdab21289c211ca1ca6a5f9b7537b4a600a02 upstream. The buffer rctx->ext contains potentially sensitive data and should be freed with kzfree. Cc: Fixes: 700cb3f5fe75 ("crypto: lrw - Convert to skcipher") Reported-by: Dan Carpenter Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- crypto/lrw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -313,7 +313,7 @@ static void exit_crypt(struct skcipher_r rctx->left = 0; if (rctx->ext) - kfree(rctx->ext); + kzfree(rctx->ext); } static int do_encrypt(struct skcipher_request *req, int err)