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net: ipc_router: Initialize the sockaddr in recvmsg() handler 

sockaddr structure is filled with required information only which
results in few memory locations of structure with uninitialized data.

Memset complete structure before using it to remove uninitialized data.

CRs-Fixed: 2274853
Change-Id: I181710bde100fb1553b925d9fdf227af35ff38b5
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
This commit is contained in:
Arun Kumar Neelakantam 2018-07-19 14:25:22 +05:30 committed by syphyr
parent 3830ddc265
commit 87ff009934
1 changed files with 3 additions and 1 deletions
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4
net/ipc_router/ipc_router_socket.c
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@ -1,4 +1,4 @@
/* Copyright (c) 2011-2016, The Linux Foundation. All rights reserved.
/* Copyright (c) 2011-2016, 2018, 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
@ -151,6 +151,7 @@ static int msm_ipc_router_extract_msg(struct msghdr *m,
if (addr && (hdr->type == IPC_ROUTER_CTRL_CMD_RESUME_TX)) {
temp = skb_peek(pkt->pkt_fragment_q);
ctl_msg = (union rr_control_msg *)(temp->data);
memset(addr, 0x0, sizeof(*addr));
addr->family = AF_MSM_IPC;
addr->address.addrtype = MSM_IPC_ADDR_ID;
addr->address.addr.port_addr.node_id = ctl_msg->cli.node_id;
@ -159,6 +160,7 @@ static int msm_ipc_router_extract_msg(struct msghdr *m,
return offset;
}
if (addr && (hdr->type == IPC_ROUTER_CTRL_CMD_DATA)) {
memset(addr, 0x0, sizeof(*addr));
addr->family = AF_MSM_IPC;
addr->address.addrtype = MSM_IPC_ADDR_ID;
addr->address.addr.port_addr.node_id = hdr->src_node_id;