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(parent: 1c36390) | patch
ip6_tunnel: fix potential NULL pointer dereference
authorSusant Sahani <susant@redhat.com>
Fri, 9 May 2014 18:41:32 +0000 (00:11 +0530)
committerDavid S. Miller <davem@davemloft.net>
Tue, 13 May 2014 04:27:19 +0000 (00:27 -0400)
commitc8965932a2e3b70197ec02c6741c29460279e2a8
tree6fc84b84873ecf41026975b784375ffc92cf753ftree | snapshot (tar.gz zip)
parent1c3639005f48492e5f2d965779efd814e80f8b15commit | diff
ip6_tunnel: fix potential NULL pointer dereference

The function ip6_tnl_validate assumes that the rtnl
attribute IFLA_IPTUN_PROTO always be filled . If this
attribute is not filled by  the userspace application
kernel get crashed with NULL pointer dereference. This
patch fixes the potential kernel crash when
IFLA_IPTUN_PROTO is missing .

Signed-off-by: Susant Sahani <susant@redhat.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/ip6_tunnel.c diff | blob | blame | history