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Sun, 8 Apr 2018 20:25:49 -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 4.14 135/161] cifs: silence compiler warnings showing up with gcc-8.0.0 Thread-Topic: [PATCH AUTOSEL for 4.14 135/161] cifs: silence compiler warnings showing up with gcc-8.0.0 Thread-Index: AQHTz5i9G1xFGP1bU0qf/biXd0eR6w== Date: Mon, 9 Apr 2018 00:21:43 +0000 Message-ID: <20180409001936.162706-135-alexander.levin@microsoft.com> References: <20180409001936.162706-1-alexander.levin@microsoft.com> In-Reply-To: <20180409001936.162706-1-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;DM5PR2101MB1013;7:agcs5cjZrIZRBWhey2G+ilXRQ4UKGT9D38ecx3CDfFClk5H1Ge5BSt3B4a5+DDFJTmsqd/sI3dDwxHIzzZ9CgIwI7vSpdjtxtLxZTb+t8PAhq61V/yX32Ijl2vDKtoRp0prMdmAvwOS4rNLHo+G8ENWqkkMoq1TEgPpyP/YmNfBnuWFwDqYbcIleKyTMQUqSNk5Ed5GNJbUIjvFfHkbqx9hcebDwCCtscRhkgNChn4HPJ+ZHBgWZpVSFEzGbrc4s;20:a8fHW5Z8rRCB46eRBEz+6mCKRguoxVYoATOFhXZ0k7iJv4CxfjpMTWa1PlhqhJIfFRtWKXjek3tXzV+5JkM4lFMzAem5SwgO4/WcOZPIf5Wgbip80Mp4DdFlTYlNHhKk1SPa3/dV16BE6jBmjHh3QTUqRR0kPiUuwfighQstqAE= X-MS-Office365-Filtering-Correlation-Id: cdb78d27-07df-40b6-3094-08d59db06c62 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:DM5PR2101MB1013; 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x-microsoft-antispam-message-info: x4CETqKwm/b88bAjVh5bKSxs86rbDaAyDRbKS0Zc/eX3sfEFegR0t7ieKzZ+0Sh7LhnmVuFuVJS4rYi/P3h1PPKeztxQMPpmdQW2Zwj9H5Lfzu+uT4+ucq9V63YVRUOcQdNw/dzK6QiqCnz+Yoh8yHAuUm0F7ZixAREFLcZnDPUyTYryrUQpvwWBRTjcCAI3x4OK6zB1Kn0Dm8PWZ6RFrGOYWNLU6VOwEtmcD9Upaip9AV/qxed4kKEEdQh9rMi1qNx4oekOWylimMkvKwYkJ4kRBdMrrZiGW0hplWnplOmur934TJtTbVNLkdfZin2tmsyeijJwKpfq6n/gm/hlFY8KleivhZB6etkmwmggR1h+TVOl1sKHCJpRjNgYRGkj78/omSi52WHEPkqXRyT7QSv6cMHrmtWP7SfFeFU9x7A= 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: cdb78d27-07df-40b6-3094-08d59db06c62 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Apr 2018 00:21:43.8936 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB1013 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 35dc5bf01ee2..7fd39ea6e22e 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -6331,9 +6331,7 @@ 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