projects / thirdparty / kernel / stable-queue.git / blame
| Commit | Line | Data |
|---|---|---|
| d55578af GKH |
1 | From foo@baz Wed May 16 16:57:32 CEST 2018 |
| 2 | From: Debabrata Banerjee <dbanerje@akamai.com> | |
| 3 | Date: Wed, 9 May 2018 19:32:10 -0400 | |
| 4 | Subject: bonding: do not allow rlb updates to invalid mac | |
| 5 | ||
| 6 | From: Debabrata Banerjee <dbanerje@akamai.com> | |
| 7 | ||
| 8 | [ Upstream commit 4fa8667ca3989ce14cf66301fa251544fbddbdd0 ] | |
| 9 | ||
| 10 | Make sure multicast, broadcast, and zero mac's cannot be the output of rlb | |
| 11 | updates, which should all be directed arps. Receive load balancing will be | |
| 12 | collapsed if any of these happen, as the switch will broadcast. | |
| 13 | ||
| 14 | Signed-off-by: Debabrata Banerjee <dbanerje@akamai.com> | |
| 15 | Signed-off-by: David S. Miller <davem@davemloft.net> | |
| 16 | Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| 17 | --- | |
| 18 | drivers/net/bonding/bond_alb.c | 2 +- | |
| 19 | 1 file changed, 1 insertion(+), 1 deletion(-) | |
| 20 | ||
| 21 | --- a/drivers/net/bonding/bond_alb.c | |
| 22 | +++ b/drivers/net/bonding/bond_alb.c | |
| 23 | @@ -453,7 +453,7 @@ static void rlb_update_client(struct rlb | |
| 24 | { | |
| 25 | int i; | |
| 26 | ||
| 27 | - if (!client_info->slave) | |
| 28 | + if (!client_info->slave || !is_valid_ether_addr(client_info->mac_dst)) | |
| 29 | return; | |
| 30 | ||
| 31 | for (i = 0; i < RLB_ARP_BURST_SIZE; i++) { |