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DIR:OUT; SFP:1102; SCL:1; SRVR:DM5PR2101MB0920; H:DM5PR2101MB1032.namprd21.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: AZzfJG4eXV98LwH7Wivx6I/ytChC/IyLmw1LgTef0W9xnuOQc8ndrAErG4QwFREKIjzRhVtEJL4XvMS72Ijl13Y/7A8/rI6u+5azdzIkEsQz17PVsiYycME+tFuuxCkVpuAEZ5DCK6UZ3WG9i5+uc6Byd28zfRmTtZLtqTnX/G1nn/NyMfHoEoSIqaUM9FQBzah/3CSq+keeOoi1ZiJo6c89lO9/FP7B1tt24KCvz2GVTOESyTJxd5p3PDXCtPevdufxofAE5mT9UaNssgZO0U5lcxTcij7baZ5Pghl160pYBfp3a+od8HCuEtc2FxqU08kn2/+nmC5qHR7yCSIOfGiOXhJnTsaHnWMGT1lPfZKdJyliaitUNncCmjyPDpWNGlXanweqlKi31i6Y2LnbErjMK4TXuj4ty6tHNkp8en0= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 56aa3c62-77ee-4823-284f-08d59dafc75f X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Apr 2018 00:18:55.9401 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0920 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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=array-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(-) -- 2.15.1 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 = cpu_to_le16(SMB_SET_FILE_EA); - parm_data = - (struct fealist *) (((char *) &pSMB->hdr.Protocol) + - offset); + parm_data = (void *)pSMB + offsetof(struct smb_hdr, Protocol) + offset; pSMB->ParameterOffset = cpu_to_le16(param_offset); pSMB->DataOffset = cpu_to_le16(offset); pSMB->SetupCount = 1;