diff options
| -rw-r--r-- | fs/smb/server/smb2pdu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c index a3ae37e8b24d..9a1308f32f45 100644 --- a/fs/smb/server/smb2pdu.c +++ b/fs/smb/server/smb2pdu.c @@ -3332,6 +3332,13 @@ int smb2_open(struct ksmbd_work *work) goto err_out2; } + if (req->DesiredAccess == FILE_SYNCHRONIZE_LE && + req->CreateDisposition == FILE_OPEN_IF_LE && + !req->FileAttributes) { + rc = -EACCES; + goto err_out2; + } + if (req->FileAttributes && !(req->FileAttributes & FILE_ATTRIBUTE_MASK_LE)) { pr_err("Invalid file attribute : 0x%x\n", le32_to_cpu(req->FileAttributes)); |