From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 19ED11EF36C; Mon, 26 May 2025 09:51:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748253108; cv=none; b=NDGwyMqOc7kxmuilBeofd2pGtckhOGU6sJXgJ3q2vSPrjJoOinYDFNdAAdbLgNizHxyDedIQ/gjUjrBuWTGcwLgQ3L3EDpIQWWUoNyXOGe/1bKbdQXImwxsT+cluQi4r8DWzCVZ0Q1rla7hRI7cRrY+ZRxVG+2VUpt2A0lh1Ao0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748253108; c=relaxed/simple; bh=3qgtqvR99/jckDm4wJuF1A1c37Gw/lv4DloT3Rig0lQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E5Fhm29B5pAH2Ia6As2EOLpzn8ILsLsprZW16k6kaXKroS6SNEzLevMqYsXRoNNhFbzfhQJw82VmbzcTz6sEUBysTQFuKcIdNepu9gA3D6tYPebci1inYyA/++EsdUri5PqlUAGIt0ZIb11a/Rc8Ap2iKWoit764SEaWYUZqcv8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=iy90u/JM; arc=none smtp.client-ip=198.175.65.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="iy90u/JM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1748253107; x=1779789107; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=3qgtqvR99/jckDm4wJuF1A1c37Gw/lv4DloT3Rig0lQ=; b=iy90u/JMsFfKIfBDYntdkO0Pkr2DKZsBSFTEFpJpggfFzEG7uf52CuiS GhebsKL1Yi9ihSKCXwMwZJ2Wl3Bx6QpWLrvJm3noXSPfblFPShsFszCHp YXXtt+dTTUNjfWxL1soGnsUFJmSUnZI3fuymEp6KG7b4+3tT7B3EKfG8B OPUj4W42prHKTmgLuai3exPdpDn+dOuzJfEb+PmJ0d6RcV1v5LeujRbn6 rPG92s8PSFYc9pQb0t9SEgGXt7ToV84WG7g3XjEUoK/oVH+femjoppCsZ tJiHTcaFHEVMS5nIx1+s6QKz4VYHiak6XCWpJ3G/sRyJP1keVPjtldLwA g==; X-CSE-ConnectionGUID: 1C9Npc8/RQutka0fAiovGQ== X-CSE-MsgGUID: +EsVJaAYSzi95Ac03nZqeQ== X-IronPort-AV: E=McAfee;i="6700,10204,11444"; a="61631864" X-IronPort-AV: E=Sophos;i="6.15,315,1739865600"; d="scan'208";a="61631864" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 May 2025 02:51:47 -0700 X-CSE-ConnectionGUID: MpZRJJz4QTupfXrYoxvo/A== X-CSE-MsgGUID: f38UmJFZTmW3MP8a2UHD2g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,315,1739865600"; d="scan'208";a="142679357" Received: from mev-dev.igk.intel.com ([10.237.112.144]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 May 2025 02:51:43 -0700 Date: Mon, 26 May 2025 11:51:06 +0200 From: Michal Swiatkowski To: Haoxiang Li Cc: anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, sergey.temerkhanov@intel.com, intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] ice: Fix a null pointer dereference in ice_copy_and_init_pkg() Message-ID: References: <20250524072658.3586149-1-haoxiang_li2024@163.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250524072658.3586149-1-haoxiang_li2024@163.com> On Sat, May 24, 2025 at 03:26:58PM +0800, Haoxiang Li wrote: > Add check for the return value of devm_kmemdup() > to prevent potential null pointer dereference. > > Fixes: 2ffd87d38d6b ("ice: Move support DDP code out of ice_flex_pipe.c") This commit is only moving the code to new file. I think it should be: c76488109616 ("ice: Implement Dynamic Device Personalization (DDP) download") > Cc: stable@vger.kernel.org > Signed-off-by: Haoxiang Li > --- > drivers/net/ethernet/intel/ice/ice_ddp.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/net/ethernet/intel/ice/ice_ddp.c b/drivers/net/ethernet/intel/ice/ice_ddp.c > index 59323c019544..351824dc3c62 100644 > --- a/drivers/net/ethernet/intel/ice/ice_ddp.c > +++ b/drivers/net/ethernet/intel/ice/ice_ddp.c > @@ -2301,6 +2301,8 @@ enum ice_ddp_state ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, > return ICE_DDP_PKG_ERR; > > buf_copy = devm_kmemdup(ice_hw_to_dev(hw), buf, len, GFP_KERNEL); > + if (!buf_copy) > + return ICE_DDP_PKG_ERR; Fix looks fine, thanks Reviewed-by: Michal Swiatkowski > > state = ice_init_pkg(hw, buf_copy, len); > if (!ice_is_init_pkg_successful(state)) { > -- > 2.25.1