ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt()
authorBen Hutchings <ben@decadent.org.uk>
Wed, 31 May 2017 12:15:41 +0000 (13:15 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Tue, 19 Sep 2017 01:34:05 +0000 (02:34 +0100)
commitd22652cf5b72a278dd68e9a0919e51aa484f0c45
tree599d0fff723d625de1fd52ee8f3d9fbe60022803
parent9f81248d78f0453597ce8081e56fc4dff60b80d9
ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt()

xfrm6_find_1stfragopt() may now return an error code and we must
not treat it as a length.

Fixes: 2423496af35d ("ipv6: Prevent overrun when parsing v6 header options")
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Craig Gallek <kraig@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Gbp-Pq: Topic bugfix/all
Gbp-Pq: Name ipv6-xfrm-handle-errors-reported-by-xfrm6_find_1stfr.patch
net/ipv6/xfrm6_mode_ro.c
net/ipv6/xfrm6_mode_transport.c