ipv6: Check attribute length for RTA_GATEWAY when deleting multipath route
authorDavid Ahern <dsahern@kernel.org>
Fri, 31 Dec 2021 00:36:34 +0000 (17:36 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 31 Dec 2021 14:31:59 +0000 (14:31 +0000)
commit1ff15a710a862db1101b97810af14aedc835a86a
tree0b83c828bf92fc91d7f3ed852823d6eb050c24b2
parent4619bcf91399f00a40885100fb61d594d8454033
ipv6: Check attribute length for RTA_GATEWAY when deleting multipath route

Make sure RTA_GATEWAY for IPv6 multipath route has enough bytes to hold
an IPv6 address.

Fixes: 6b9ea5a64ed5 ("ipv6: fix multipath route replace error recovery")
Signed-off-by: David Ahern <dsahern@kernel.org>
Cc: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/route.c