On Fri, 2016-01-29 at 13:41 -0800, Cong Wang wrote: > On Thu, Jan 28, 2016 at 5:43 PM, <roy.qing...@gmail.com> wrote: > > From: Li RongQing <roy.qing...@gmail.com> > > > > The size of all_zeros_mac is 6 byte, but eth_hash() will access the > > 8 byte, and KASan reported the below bug: > > > Sounds like we should fix eth_hash() (macvlan has a same function), > it should not read beyond 6 bytes.
Why ? We always have at least 2 bytes following ethernet address in a packet. Better add these 2 bytes in all_zeros_mac[] and not slow down the hash function. We use same tricks in eth_type_trans()
