tree b9b9d7fe44437f7a2df0330142dc50d60aa17c0a
parent ec7c7f5cafdaeea509ad4e7e6f71c2312062c4c6
author Baozeng Ding <sploving1@gmail.com> 1464100404 +0800
committer David S. Miller <davem@davemloft.net> 1464204832 -0700

tipc: fix potential null pointer dereferences in some compat functions

Before calling the nla_parse_nested function, make sure the pointer to the
attribute is not null. This patch fixes several potential null pointer
dereference vulnerabilities in the tipc netlink functions.

Signed-off-by: Baozeng Ding <sploving1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>