Merge "ipc: apr: check for packet size to header size comparison" (c16364fe) · Commits · e / devices / android_kernel_xiaomi_nabu

ipc/apr.c

+7 −1

Original line number	Diff line number	Diff line
		/* Copyright (c) 2010-2014, 2016-2018 The Linux Foundation. All rights reserved.
		/* Copyright (c) 2010-2014, 2016-2019 The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		@@ -643,6 +643,12 @@ void apr_cb_func(void buf, int len, void priv)
		pr_err("APR: Wrong paket size\n");
		return;
		}

		if (hdr->pkt_size < hdr_size) {
		pr_err("APR: Packet size less than header size\n");
		return;
		}

		msg_type = hdr->hdr_field;
		msg_type = (msg_type >> 0x08) & 0x0003;
		if (msg_type >= APR_MSG_TYPE_MAX && msg_type != APR_BASIC_RSP_RESULT) {