Some of the structure's fields are not initialized by the
rtnetlink. If driver doesn't set those in ndo_get_vf_config(),
they'd leak memory to user.
Signed-off-by: Yuval Mintz <yuval.mi...@cavium.com>
CC: Michal Schmidt <mschm...@redhat.com>
---
net/core/rtnetlink.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 9e2c0a7..5e61456 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1124,6 +1124,8 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct
sk_buff *skb,
struct ifla_vf_mac vf_mac;
struct ifla_vf_info ivi;
+ memset(&ivi, 0, sizeof(ivi));
+
/* Not all SR-IOV capable drivers support the
* spoofcheck and "RSS query enable" query. Preset to
* -1 so the user space tool can detect that the driver
@@ -1132,7 +1134,6 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct
sk_buff *skb,
ivi.spoofchk = -1;
ivi.rss_query_en = -1;
ivi.trusted = -1;
- memset(ivi.mac, 0, sizeof(ivi.mac));
/* The default value for VF link state is "auto"
* IFLA_VF_LINK_STATE_AUTO which equals zero
*/
--
2.9.4
