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 E0E37303CB0; Fri, 15 May 2026 16:01:35 +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=1778860896; cv=none; b=fU1kl6EG6wPGQfwBxWMQyQkDfUNti9Gwoc4ual2Fh3tC80I8RKuhuh1Fz+iebcWdCV7j+GNHZ3Ww989B7gku0Rj+1I9+h1Y8I31V5IBUTba2nnZRyOLqMUXZhL/xltSUtFV1LLOb04qJf6cWlKutfS9tGgAYwgiQLmngx2rHN8g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778860896; c=relaxed/simple; bh=IhvB4bemQKh4eNkQapHBtq5lH1MTDev1us0aUYxtgYA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WrfGRy8vyAQH5KwxpyaA40mZySBaGNCwvfG/JgYcHmc7yUlP9p+bh1BXWAaSFsXPqVp1jAeYM44GvKho1dfWHDsd+S1NAJx4bG/cjC7zrrVRCXT6YxjSlWMO6ZxwJHqcMtzmcW8NvrE02JFejvo7AonBAB2mIN1SxhqQ2x+3oFY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=GFAbAJG7; 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="GFAbAJG7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F141C2BCB0; Fri, 15 May 2026 16:01:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1778860895; bh=IhvB4bemQKh4eNkQapHBtq5lH1MTDev1us0aUYxtgYA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GFAbAJG73WE0TNio+96W3anBGHkz+ZGnLH5Qbdf9K4CFeWLTI93t7zjHRWoKt94Mg 0EDI+K42GEx3OgIBT7QUTD/mR6Ys3mQYe5V4gIB28VCqguG7mfv5Mfi3LSCdvscnCo J/RV86zHufwaOKD5cxdap72wQIkSZXbZ49CRRLTQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Thorsten Blum , Herbert Xu Subject: [PATCH 6.6 121/474] crypto: atmel-aes - Fix 3-page memory leak in atmel_aes_buff_cleanup Date: Fri, 15 May 2026 17:43:50 +0200 Message-ID: <20260515154717.655181031@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260515154715.053014143@linuxfoundation.org> References: <20260515154715.053014143@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 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thorsten Blum commit 3fcfff4ed35f963380a68741bcd52742baff7f76 upstream. 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 Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/atmel-aes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -2323,7 +2323,7 @@ static int atmel_aes_buff_init(struct at 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)