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Sun, 8 Apr 2018 20:39:22 -0400 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Arnd Bergmann , Steve French , Sasha Levin Subject: [PATCH AUTOSEL for 4.4 154/162] cifs: silence compiler warnings showing up with gcc-8.0.0 Thread-Topic: [PATCH AUTOSEL for 4.4 154/162] cifs: silence compiler warnings showing up with gcc-8.0.0 Thread-Index: AQHTz5nf1BbOJSfLDkaVAZGgk0RNFQ== Date: Mon, 9 Apr 2018 00:29:50 +0000 Message-ID: <20180409002738.163941-154-alexander.levin@microsoft.com> References: <20180409002738.163941-1-alexander.levin@microsoft.com> In-Reply-To: <20180409002738.163941-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB1125;7:hhAw2Un+YuRgkfYz8yBvrRhygxR5qsIIDUVKKmjerLJAk7RspWM/pKIUOgSwPmRcYN6QtsJtgvLVgz0ajftvAQB/nmuI42jcVBaN4b6Z5OxQEyrxyM8Ehf5bt+CxQyv6H/JLRuAVEGji72M57sRy311L47LSJULAQD9vi/OdB8H34x7gsosZoqGJD5L7iDU3pQpeg5ZXxzJ7qmnBAeW1XPUMmptgt2gY30dYaaO4ypP+8ZLMfMZ44I39n7KcJJII;20:IVduZpkp7PU+4zpt9uR5OrfljT6zdUTLh8hUTD++J+b4md2UhWrbiIoi+tIJ8RHXTB4u7uZQsmcnX8h3qAvNJ2a2bmMipVeOrrAk5NQuVgKi+kgoBhwR7a1envTkD0mKnG5Xt7RTAp+WbYg+/gHtZs/qXapoESqD2c4Pa4kjaPw= X-MS-Office365-Filtering-Correlation-Id: b8b37dbe-8fd5-4433-b68f-08d59db254d7 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(5600026)(4604075)(3008032)(48565401081)(2017052603328)(7193020);SRVR:DM5PR2101MB1125; 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x-microsoft-antispam-message-info: 4sfC7dAVR8hqJgKU70OVNg+mpwYCmxHL1ndWTiOV9RtC/emygY6gyuoEZj5SDDKndhoPRftoUTcnQKWsNmxfupe9G9z9bwBI1zA/p6gamK/ikoVYdUXfKzguGLg2/945ltiQvL4tKbFHFFFaqqW+JzjXa+pPtuStdXfef/kuN9MTYVaW5l4KmkIZ+KZGTMbqpM0xjpVjrHTQhx/xKnmCdHiPnFIlBXD4Tyqux/EWJ9RZVx+HdCDk0rG0yeeUvaXF63JC1PJ0h4mShfyXKmvxvltiq8CSGfwAo+WEQknfJjvyzxHJhAX9YOgMWcZMEnSa8a953L2p2HxZb5tXNtxLz8ru5lj9SdXBYC5z5cAF0APfS4uozXSV0QhgarZiUrrfBjF0s6/GTqmVyxbkevgBZAs98b/zvipnhTqp405tVVU= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: b8b37dbe-8fd5-4433-b68f-08d59db254d7 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Apr 2018 00:29:50.3027 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1125 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Arnd Bergmann [ Upstream commit ade7db991b47ab3016a414468164f4966bd08202 ] This bug was fixed before, but came up again with the latest compiler in another function: fs/cifs/cifssmb.c: In function 'CIFSSMBSetEA': fs/cifs/cifssmb.c:6362:3: error: 'strncpy' offset 8 is out of the bounds [0= , 4] [-Werror=3Darray-bounds] strncpy(parm_data->list[0].name, ea_name, name_len); Let's apply the same fix that was used for the other instances. Fixes: b2a3ad9ca502 ("cifs: silence compiler warnings showing up with gcc-4= .7.0") Signed-off-by: Arnd Bergmann Signed-off-by: Steve French Signed-off-by: Sasha Levin --- fs/cifs/cifssmb.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 0c92af11f4f4..8632380d2b94 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -6421,9 +6421,7 @@ SetEARetry: pSMB->InformationLevel =3D cpu_to_le16(SMB_SET_FILE_EA); =20 - parm_data =3D - (struct fealist *) (((char *) &pSMB->hdr.Protocol) + - offset); + parm_data =3D (void *)pSMB + offsetof(struct smb_hdr, Protocol) + offset; pSMB->ParameterOffset =3D cpu_to_le16(param_offset); pSMB->DataOffset =3D cpu_to_le16(offset); pSMB->SetupCount =3D 1; --=20 2.15.1