net: ipv4: Fix NULL pointer dereference in route lookup
authorIdo Schimmel <idosch@mellanox.com>
Fri, 1 Mar 2019 13:38:43 +0000 (13:38 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sat, 2 Mar 2019 08:41:53 +0000 (00:41 -0800)
commit2a8e4997dbb2818061c76ee57d7becf390c0e4bc
tree639f27c8d29338366731bebeaaf88041280a94a4
parent04c2632a6c7487c27c91306ad2eba35fe0a59069
net: ipv4: Fix NULL pointer dereference in route lookup

When calculating the multipath hash for input routes the flow info is
not available and therefore should not be used.

Fixes: 24ba14406c5c ("route: Add multipath_hash in flowi_common to make user-define hash")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Cc: wenxu <wenxu@ucloud.cn>
Acked-by: wenxu <wenxu@ucloud.cn>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/route.c