add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/net/usb/rndis_host.c
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@@ -1,19 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Host Side support for RNDIS Networking Links
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  * Copyright (C) 2005 by David Brownell
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, see <http://www.gnu.org/licenses/>.
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  */
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 #include <linux/module.h>
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 #include <linux/netdevice.h>
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@@ -267,7 +255,8 @@
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 	off = le32_to_cpu(u.get_c->offset);
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 	len = le32_to_cpu(u.get_c->len);
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-	if (unlikely((8 + off + len) > CONTROL_BUFFER_SIZE))
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+	if (unlikely((off > CONTROL_BUFFER_SIZE - 8) ||
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+		     (len > CONTROL_BUFFER_SIZE - 8 - off)))
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 		goto response_error;
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 	if (*reply_len != -1 && len != *reply_len)