tipc: do sanity check payload of a netlink message
authorHoang Le <hoang.h.le@dektech.com.au>
Tue, 15 Dec 2020 03:31:51 +0000 (10:31 +0700)
committerJakub Kicinski <kuba@kernel.org>
Wed, 16 Dec 2020 20:45:02 +0000 (12:45 -0800)
commitc32c928d29deb2636e5889f59305cc15b004909f
tree0a502fc7b5170e2c3ccdb823e43825e6cb5983fd
parent023cae857b347b6f5577eebade21a843f3621f85
tipc: do sanity check payload of a netlink message

When we initialize nlmsghdr with no payload inside tipc_nl_compat_dumpit()
the parsing function returns -EINVAL. We fix it by making the parsing call
conditional.

Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Link: https://lore.kernel.org/r/20201215033151.76139-1-hoang.h.le@dektech.com.au
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/tipc/netlink_compat.c