From nobody Tue Dec 30 13:27:22 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9F26C47071 for ; Wed, 15 Nov 2023 03:15:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234354AbjKODPI (ORCPT ); Tue, 14 Nov 2023 22:15:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229572AbjKODPH (ORCPT ); Tue, 14 Nov 2023 22:15:07 -0500 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46434A7; Tue, 14 Nov 2023 19:15:03 -0800 (PST) X-UUID: ed5a0a20a55e490aa9171fb72141b083-20231115 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.32,REQID:2cfcccbc-ff1f-499a-af7d-84216c47cfff,IP:15, URL:0,TC:0,Content:-5,EDM:25,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,AC TION:release,TS:20 X-CID-INFO: VERSION:1.1.32,REQID:2cfcccbc-ff1f-499a-af7d-84216c47cfff,IP:15,UR L:0,TC:0,Content:-5,EDM:25,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:20 X-CID-META: VersionHash:5f78ec9,CLOUDID:98c3a972-1bd3-4f48-b671-ada88705968c,B ulkID:2311151114581JDKGIG5,BulkQuantity:0,Recheck:0,SF:19|44|66|24|17|102, TC:nil,Content:0,EDM:5,IP:-2,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0, OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD,TF_CID_SPAM_FSI X-UUID: ed5a0a20a55e490aa9171fb72141b083-20231115 X-User: chentao@kylinos.cn Received: from vt.. [(116.128.244.169)] by mailgw (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1282692015; Wed, 15 Nov 2023 11:14:55 +0800 From: Kunwu Chan To: horms@kernel.org Cc: anthony.l.nguyen@intel.com, chentao@kylinos.cn, davem@davemloft.net, edumazet@google.com, intel-wired-lan@lists.osuosl.org, jeffrey.t.kirsher@intel.com, jesse.brandeburg@intel.com, kuba@kernel.org, kunwu.chan@hotmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, shannon.nelson@amd.com Subject: [PATCH iwl-next] i40e: Use correct buffer size Date: Wed, 15 Nov 2023 11:14:44 +0800 Message-Id: <20231115031444.33381-1-chentao@kylinos.cn> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231113093112.GL705326@kernel.org> References: <20231113093112.GL705326@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The size of "i40e_dbg_command_buf" is 256, the size of "name" depends on "IFNAMSIZ", plus a null character and format size, the total size is more than 256, fix it. Signed-off-by: Kunwu Chan Suggested-by: Simon Horman Reviewed-by: Simon Horman --- drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/e= thernet/intel/i40e/i40e_debugfs.c index 999c9708def5..e3b939c67cfe 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -72,7 +72,7 @@ static ssize_t i40e_dbg_command_read(struct file *filp, c= har __user *buffer, { struct i40e_pf *pf =3D filp->private_data; int bytes_not_copied; - int buf_size =3D 256; + int buf_size =3D IFNAMSIZ + sizeof(i40e_dbg_command_buf) + 4; char *buf; int len; =20 --=20 2.34.1