SMB3: GUIDs should be constructed as random but valid uuids
GUIDs although random, and 16 bytes, need to be generated as
proper uuids.
Signed-off-by: Steve French <steve.french@primarydata.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Reported-by: David Goebels <davidgoe@microsoft.com>
CC: Stable <stable@vger.kernel.org>
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index d203c03..5ed591d 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1041,7 +1041,7 @@
static void
smb2_new_lease_key(struct cifs_fid *fid)
{
- get_random_bytes(fid->lease_key, SMB2_LEASE_KEY_SIZE);
+ generate_random_uuid(fid->lease_key);
}
#define SMB2_SYMLINK_STRUCT_SIZE \