From: Anant Thazhemadam <anant.thazhemadam@xxxxxxxxx> Date: Mon, 5 Oct 2020 18:59:58 +0530 > When get_registers() fails in set_ethernet_addr(),the uninitialized > value of node_id gets copied over as the address. > So, check the return value of get_registers(). > > If get_registers() executed successfully (i.e., it returns > sizeof(node_id)), copy over the MAC address using ether_addr_copy() > (instead of using memcpy()). > > Else, if get_registers() failed instead, a randomly generated MAC > address is set as the MAC address instead. > > Reported-by: syzbot+abbc768b560c84d92fd3@xxxxxxxxxxxxxxxxxxxxxxxxx > Tested-by: syzbot+abbc768b560c84d92fd3@xxxxxxxxxxxxxxxxxxxxxxxxx > Acked-by: Petko Manolov <petkan@xxxxxxxxxxxxx> > Signed-off-by: Anant Thazhemadam <anant.thazhemadam@xxxxxxxxx> Applied, thank you.