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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C2C1C43334 for ; Wed, 15 Jun 2022 07:06:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238412AbiFOHG5 (ORCPT ); Wed, 15 Jun 2022 03:06:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50214 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230083AbiFOHG5 (ORCPT ); Wed, 15 Jun 2022 03:06:57 -0400 Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF5FA167EE for ; Wed, 15 Jun 2022 00:06:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:To:From:Subject:Message-ID:Sender: Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=ejR15jOo17jAqwb9TH1ItkfDwb9HMdVRIrDnKZ/fF08=; t=1655276815; x=1656486415; b=UkBfRYmnKio3JIKO7lH60HmdLGlW4vma83UohZGXy/adWN6 JG65gB6qrXpi4zp6B4CN3SygcXZTf+FcAiOR1gLlOOWuALqz0OcIgr7irWFvgD3W/rNJOPbSdxStR EKdg3ytKCnKKEqFgekLwGrGa9ySBu388wVlBuRc3nlPTgn2uIkgftK9817OT2y1LEIjgZ7/DexdID xLZvXXB1D3D2aiRo77nZZhkD9+g1e1zUloLi1MctsGUdw+AQDK8ILHjct/UCMm6usTzAu2BzC6taM ATC/w/MfRHcH2qeRsXkMMjFWB3Z2WN8YWQ1n1pKwq7Kp4hr9FYlZ9G6vC8Ny4ECw==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.95) (envelope-from ) id 1o1N76-006MFe-4Q; Wed, 15 Jun 2022 09:06:52 +0200 Message-ID: Subject: Re: [PATCH] iwlwifi: pcie: Fixed integer overflow in iwl_write_to_user_buf From: Johannes Berg To: Hyunwoo Kim , gregory.greenman@intel.com, linux-wireless@vger.kernel.org Date: Wed, 15 Jun 2022 09:06:51 +0200 In-Reply-To: <20220614173352.GA588327@ubuntu> References: <20220614173352.GA588327@ubuntu> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.2 (3.44.2-1.fc36) MIME-Version: 1.0 X-malware-bazaar: not-scanned Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Tue, 2022-06-14 at 10:33 -0700, Hyunwoo Kim wrote: > An integer overflow occurs in the iwl_write_to_user_buf() function, > which is called by the iwl_dbgfs_monitor_data_read() function. >=20 Out of curiosity, how did you find this? johannes