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Wed, 09 Oct 2019 09:00:56 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x998s2t8067610; Wed, 9 Oct 2019 09:00:56 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3020.oracle.com with ESMTP id 2vh5ca3kva-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 09 Oct 2019 09:00:55 +0000 Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x9990spk016373; Wed, 9 Oct 2019 09:00:54 GMT Received: from kadam (/41.57.98.10) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 09 Oct 2019 02:00:54 -0700 Date: Wed, 9 Oct 2019 12:00:48 +0300 From: Dan Carpenter To: kbuild@01.org, =?iso-8859-1?B?Suly9G1l?= Pouiller Subject: [staging:staging-testing 55/111] drivers/staging/wfx/wfx.h:91 wdev_to_wvif() warn: potential spectre issue 'wdev->vif' [r] (local cap) Message-ID: <20191009090048.GA13286@kadam> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9404 signatures=668684 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910090085 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9404 signatures=668684 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910090086 X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Driver Project Developer List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, Greg Kroah-Hartman , kbuild-all@01.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git = staging-testing head: d49d1c76b96ebf39539e93d5ab7943a01ef70e4f commit: 9bca45f3d6924f19f29c0d019e961af3f41bdc9e [55/111] staging: wfx: all= ow to send 802.11 frames If you fix the issue, kindly add following tag Reported-by: kbuild test robot Reported-by: Dan Carpenter New smatch warnings: drivers/staging/wfx/wfx.h:91 wdev_to_wvif() warn: potential spectre issue '= wdev->vif' [r] (local cap) drivers/staging/wfx/data_tx.c:479 wfx_tx_get_raw_link_id() warn: signedness= bug returning '(-2)' # https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git/commit= /?id=3D9bca45f3d6924f19f29c0d019e961af3f41bdc9e git remote add staging https://git.kernel.org/pub/scm/linux/kernel/git/greg= kh/staging.git git remote update staging git checkout 9bca45f3d6924f19f29c0d019e961af3f41bdc9e vim +91 drivers/staging/wfx/wfx.h e16e7f0716a6ba J=E9r=F4me Pouiller 2019-09-19 80 = f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 81 static inline struct wfx= _vif *wdev_to_wvif(struct wfx_dev *wdev, int vif_id) f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 82 { f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 83 if (vif_id >=3D ARRAY_S= IZE(wdev->vif)) { f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 84 dev_dbg(wdev->dev, "re= questing non-existent vif: %d\n", vif_id); f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 85 return NULL; f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 86 } vaf_id =3D array_index_nospec(wdev->vif, ARRAY_SIZE(wdev->vif)); ? f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 87 if (!wdev->vif[vif_id])= { f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 88 dev_dbg(wdev->dev, "re= questing non-allocated vif: %d\n", vif_id); f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 89 return NULL; f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 90 } f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 @91 return (struct wfx_vif = *) wdev->vif[vif_id]->drv_priv; f4a71ba8753d94 J=E9r=F4me Pouiller 2019-09-19 92 } --- 0-DAY kernel test infrastructure Open Source Technology Cent= er https://lists.01.org/pipermail/kbuild-all Intel Corporati= on _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel