Re: [PATCH v3] rtnetlink: fix data overflow in rtnl_calcit()

2020-10-21 Thread Jakub Kicinski
On Wed, 21 Oct 2020 10:00:53 +0800 zhudi wrote: > From: Di Zhu > > "ip addr show" command execute error when we have a physical > network card with a large number of VFs > > The return value of if_nlmsg_size() in rtnl_calcit() will exceed > range of u16 data type when any network cards has a lar

[PATCH v3] rtnetlink: fix data overflow in rtnl_calcit()

2020-10-20 Thread zhudi
From: Di Zhu "ip addr show" command execute error when we have a physical network card with a large number of VFs The return value of if_nlmsg_size() in rtnl_calcit() will exceed range of u16 data type when any network cards has a larger number of VFs. rtnl_vfinfo_size() will significant increas