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| author | Mintz, Yuval <Yuval.Mintz@cavium.com> | 2017-06-07 21:00:33 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-05 14:37:13 +0200 |
| commit | e2c3ee003280ce0e6cd02f305dd6c1ced17f286c (patch) | |
| tree | 2695cacc05a5495a7fb59a63a3321803d4bad49d /net/core | |
| parent | dedb088a1d189961285d603257dfe5c3a9fb37aa (diff) | |
| download | linux-stable-e2c3ee003280ce0e6cd02f305dd6c1ced17f286c.tar.gz linux-stable-e2c3ee003280ce0e6cd02f305dd6c1ced17f286c.tar.bz2 linux-stable-e2c3ee003280ce0e6cd02f305dd6c1ced17f286c.zip | |
net: Zero ifla_vf_info in rtnl_fill_vfinfo()
[ Upstream commit 0eed9cf58446b28b233388b7f224cbca268b6986 ]
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.Mintz@cavium.com>
CC: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Greg Rose <gvrose8192@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/rtnetlink.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index d43544ce7550..4e04c415d7d4 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1089,6 +1089,8 @@ 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 @@ -1097,7 +1099,6 @@ 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 */ |