3.17-stable review patch. If anyone has any objections, please let me know.
------------------ From: Thomas Graf <[email protected]> [ Upstream commit f6c6fda4c9e17940b0a2ba206b0408babfdc930c ] Fixes: 7f28fa10 ("bonding: add arp_ip_target netlink support") Reported-by: John Fastabend <[email protected]> Cc: Scott Feldman <[email protected]> Signed-off-by: Thomas Graf <[email protected]> Acked-by: John Fastabend <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/net/bonding/bond_netlink.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) --- a/drivers/net/bonding/bond_netlink.c +++ b/drivers/net/bonding/bond_netlink.c @@ -194,7 +194,12 @@ static int bond_changelink(struct net_de bond_option_arp_ip_targets_clear(bond); nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) { - __be32 target = nla_get_be32(attr); + __be32 target; + + if (nla_len(attr) < sizeof(target)) + return -EINVAL; + + target = nla_get_be32(attr); bond_opt_initval(&newval, (__force u64)target); err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
