# Re: \[PATCH net\] bonding: prevent out of bound accesses

- From: Nikolay Aleksandrov \<hidden\>
- Date: 2016-06-30 13:25:03 
- List: netdev
- Page: https://ratatoskr.run/netdev/2016/06/11022278
- Thread: https://ratatoskr.run/netdev/2016/06/11022271/t.md

```text
On 30/06/16 14:56, Eric Dumazet wrote:
> From: Eric Dumazet <redacted>
> 
> ether_addr_equal_64bits() requires some care about its arguments,
> namely that 8 bytes might be read, even if last 2 byte values are not
> used.
> 
> KASan detected a violation with null_mac_addr and lacpdu_mcast_addr
> in bond_3ad.c
> 
> Fixes: 815117adaf5b ("bonding: use ether_addr_equal_unaligned for bond addr compare")
> Fixes: bb54e58929f3 ("bonding: Verify RX LACPDU has proper dest mac-addr")
> Signed-off-by: Eric Dumazet <redacted>
> Reported-by: Dmitry Vyukov <dvyukov@google.com>
> ---
>  drivers/net/bonding/bond_3ad.c |   11 +++++++----
>  drivers/net/bonding/bond_alb.c |    3 ---
>  include/net/bonding.h          |    7 ++++++-
>  3 files changed, 13 insertions(+), 8 deletions(-)
> 

Good catch,
Acked-by: Nikolay Aleksandrov <redacted>
```