From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 48412C352A3 for ; Mon, 10 Feb 2020 13:22:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 220F42080C for ; Mon, 10 Feb 2020 13:22:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581340945; bh=XLsH/og7nds9+7JWjxVwvyiIrHhkqGnfk/0z9Ma8ezE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=P8LmfHHVVyiQMZEuZg99bQiNlpX6q0rATM34cOlZzydOrlg6NZqW4yGQfQ3JgeyT7 AgavmFC7qYWaQA+M9H5idjj8l62H2LLYbplabwckUbRH6oLRqUz07Gqhe+oINrbGds F8FsnBfVi/QVRNj0LRo0QsAaWTfi3dN0V08RDmhM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730227AbgBJNWU (ORCPT ); Mon, 10 Feb 2020 08:22:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:58894 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728748AbgBJMh0 (ORCPT ); Mon, 10 Feb 2020 07:37:26 -0500 Received: from localhost (unknown [209.37.97.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7C1E120661; Mon, 10 Feb 2020 12:37:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581338244; bh=XLsH/og7nds9+7JWjxVwvyiIrHhkqGnfk/0z9Ma8ezE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OvodtmlXBLZhzK23FUReDMLxZDpbxTU5u6DaELGpGgKDxWwUVxta+Suy/3tnCodWQ ypkxGDUOtPklyhGUo+OiKlDjxXFt9f4+KowqzT/m3XXR2bdoOJft/3ZRG5T2YKvB3V J/gg52abHdKvi5vUMClOmIkrXHrsXYNftFZ4Hhsc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Gilad Ben-Yossef , Herbert Xu Subject: [PATCH 5.4 102/309] crypto: ccree - fix backlog memory leak Date: Mon, 10 Feb 2020 04:30:58 -0800 Message-Id: <20200210122416.041864509@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200210122406.106356946@linuxfoundation.org> References: <20200210122406.106356946@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gilad Ben-Yossef commit 4df2ef25b3b3618fd708ab484fe6239abd130fec upstream. Fix brown paper bag bug of not releasing backlog list item buffer when backlog was consumed causing a memory leak when backlog is used. Signed-off-by: Gilad Ben-Yossef Cc: stable@vger.kernel.org # v4.19+ Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/ccree/cc_request_mgr.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/crypto/ccree/cc_request_mgr.c +++ b/drivers/crypto/ccree/cc_request_mgr.c @@ -404,6 +404,7 @@ static void cc_proc_backlog(struct cc_dr spin_lock(&mgr->bl_lock); list_del(&bli->list); --mgr->bl_len; + kfree(bli); } spin_unlock(&mgr->bl_lock);