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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 280B7FD88D8 for ; Wed, 11 Mar 2026 02:09:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=T9f/NPNUnA8wcieHoMwt6iGWiyD3QsUUnDTus3MDL7Y=; b=Ns00wtpQR/ixR9QTwIAcaW4bZn ncAEjUsylSb1lNOoCCMNXdSXkpBVrDjBcIxS2L+TxyqXhmG0YmwIJW5AbpgQAKxVhTKvtVv8TQGTm N6UdjU2XcnNCAvxuqoJD+c0Ji+0JDLxSZqdb3bBZVJL+nXELhwOrLGRv9OHdZDGIszEaCqcQffRtb ovF6V72hyh6gvbZplhCIpfEEU/gEgsZIRDWAuUv2KckYPUmmtroxN9DW8/k8M7CaUKcI7WprO4b5D pFbyzvHIbLRf21oKi8CqEuCLTnL7pfOx+gASQlE+rDm7WpIZlNuh630abi9ft9k+H2dofFoX8T4Uz gUPyuRJg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w090m-0000000AXDT-0UWS; Wed, 11 Mar 2026 02:09:24 +0000 Received: from out-177.mta0.migadu.com ([2001:41d0:1004:224b::b1]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w090i-0000000AX9h-2bur for linux-arm-kernel@lists.infradead.org; Wed, 11 Mar 2026 02:09:22 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1773194922; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=T9f/NPNUnA8wcieHoMwt6iGWiyD3QsUUnDTus3MDL7Y=; b=gUKioZh+4Jvw0/Iw+sLJF9tyZm+zYGd9qYPoanXP8n7soOYeOBpIhWtADOc2ujewBJurMc 2O0tOlqunO3vw6b7VDZpIiRs2v3N5px5LqkaMVpn/XuWJtMEz8olT3J7ykzYCpUv4pMFNE PN9y76lAAm8GUfn0QHKNKBN5JQ54eYs= From: Thorsten Blum To: Herbert Xu , "David S. Miller" , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Cyrille Pitchen Cc: Thorsten Blum , stable@vger.kernel.org, linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] crypto: atmel-aes - Fix 3-page memory leak in atmel_aes_buff_cleanup Date: Wed, 11 Mar 2026 03:07:35 +0100 Message-ID: <20260311020733.250288-3-thorsten.blum@linux.dev> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1027; i=thorsten.blum@linux.dev; h=from:subject; bh=Q5cFX2k6bHPxzmFwA1jZZP2sbUYKylqyAiNpZjCoMM4=; b=owGbwMvMwCUWt7pQ4caZUj3G02pJDJkbzqUKhj15ssTH/p5yVPAMFmUvWem/ayZN9d3q6B3YZ uMoec20o5SFQYyLQVZMkeXBrB8zfEtrKjeZROyEmcPKBDKEgYtTACZiYcPwh08kfmn/Dd0kES32 PX/LDjYL7ihJ4qxcJyY2e8URS+m/3owM56+nOv77sNJ0/77WGUKnt/Yt+/Di5IGA5S7cHYs2P/7 dww8A X-Developer-Key: i=thorsten.blum@linux.dev; a=openpgp; fpr=1D60735E8AEF3BE473B69D84733678FD8DFEEAD4 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260310_190920_867034_9582F76C X-CRM114-Status: GOOD ( 10.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org atmel_aes_buff_init() allocates 4 pages using __get_free_pages() with ATMEL_AES_BUFFER_ORDER, but atmel_aes_buff_cleanup() frees only the first page using free_page(), leaking the remaining 3 pages. Use free_pages() with ATMEL_AES_BUFFER_ORDER to fix the memory leak. Fixes: bbe628ed897d ("crypto: atmel-aes - improve performances of data transfer") Cc: stable@vger.kernel.org Signed-off-by: Thorsten Blum --- drivers/crypto/atmel-aes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index bc0c40f10944..9b0cb97055dc 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -2131,7 +2131,7 @@ static int atmel_aes_buff_init(struct atmel_aes_dev *dd) static void atmel_aes_buff_cleanup(struct atmel_aes_dev *dd) { - free_page((unsigned long)dd->buf); + free_pages((unsigned long)dd->buf, ATMEL_AES_BUFFER_ORDER); } static int atmel_aes_dma_init(struct atmel_aes_dev *dd)