Commit 46273cf7 authored Dec 26, 2018 by Kangjie Lu Committed by David S. Miller Dec 27, 2018

tipc: fix a missing check of genlmsg_put



genlmsg_put could fail. The fix inserts a check of its return value, and
if it fails, returns -EMSGSIZE.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent ff07d48d

net/tipc/netlink_compat.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -904,6 +904,8 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock)

		hdr = genlmsg_put(args, 0, 0, &tipc_genl_family, NLM_F_MULTI,
		TIPC_NL_PUBL_GET);
		if (!hdr)
		return -EMSGSIZE;

		nest = nla_nest_start(args, TIPC_NLA_SOCK);
		if (!nest) {

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