diff options
| -rw-r--r-- | fs/cifsd/smb2pdu.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/cifsd/smb2pdu.c b/fs/cifsd/smb2pdu.c index eeb3f09e8765..3b8da5dfd4a1 100644 --- a/fs/cifsd/smb2pdu.c +++ b/fs/cifsd/smb2pdu.c @@ -4791,6 +4791,24 @@ static int smb2_get_info_sec(struct ksmbd_work *work, int addition_info = le32_to_cpu(req->AdditionalInformation); int rc; + if (addition_info & ~(OWNER_SECINFO | GROUP_SECINFO | DACL_SECINFO)) { + ksmbd_debug(SMB, "Unsupported addition info: 0x%x)\n", + addition_info); + + pntsd->revision = cpu_to_le16(1); + pntsd->type = cpu_to_le16(SELF_RELATIVE | DACL_PROTECTED); + pntsd->osidoffset = 0; + pntsd->gsidoffset = 0; + pntsd->sacloffset = 0; + pntsd->dacloffset = 0; + + secdesclen = sizeof(struct smb_ntsd); + rsp->OutputBufferLength = cpu_to_le32(secdesclen); + inc_rfc1001_len(rsp_org, secdesclen); + + return 0; + } + if (work->next_smb2_rcv_hdr_off) { if (!HAS_FILE_ID(le64_to_cpu(req->VolatileFileId))) { ksmbd_debug(SMB, "Compound request set FID = %u\n", |