diff options
| author | Thomas Graf <tgraf@suug.ch> | 2014-11-28 16:34:31 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-12-03 07:01:26 +0300 |
| commit | e75605822e3190a1bd7935599e93f13ab1ba7c9d (patch) | |
| tree | 1ea08ca69687bf29eab075438fcf8739af64ad33 /drivers/net/ethernet/rocker/rocker.c | |
| parent | 5111f80cbc759bed12941678bd029fca76512815 (diff) | |
| download | linux-e75605822e3190a1bd7935599e93f13ab1ba7c9d.tar.xz | |
rocker: Add proper validation of Netlink attributes
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/rocker/rocker.c')
| -rw-r--r-- | drivers/net/ethernet/rocker/rocker.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index 61cfdbffdb7a..30687bf1143f 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -3712,6 +3712,9 @@ static int rocker_port_bridge_setlink(struct net_device *dev, if (afspec) { attr = nla_find_nested(afspec, IFLA_BRIDGE_MODE); if (attr) { + if (nla_len(attr) < sizeof(mode)) + return -EINVAL; + mode = nla_get_u16(attr); if (mode != BRIDGE_MODE_SWDEV) return -EINVAL; @@ -3721,6 +3724,9 @@ static int rocker_port_bridge_setlink(struct net_device *dev, if (protinfo) { attr = nla_find_nested(protinfo, IFLA_BRPORT_LEARNING); if (attr) { + if (nla_len(attr) < sizeof(u8)) + return -EINVAL; + if (nla_get_u8(attr)) rocker_port->brport_flags |= BR_LEARNING; else @@ -3731,6 +3737,9 @@ static int rocker_port_bridge_setlink(struct net_device *dev, } attr = nla_find_nested(protinfo, IFLA_BRPORT_LEARNING_SYNC); if (attr) { + if (nla_len(attr) < sizeof(u8)) + return -EINVAL; + if (nla_get_u8(attr)) rocker_port->brport_flags |= BR_LEARNING_SYNC; else |