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authorDavide Caratti <dcaratti@redhat.com>2020-02-11 19:33:40 +0100
committerDavid S. Miller <davem@davemloft.net>2020-02-13 14:16:35 -0800
commite2debf0852c4d66ba1a8bde12869b196094c70a7 (patch)
treebd9fe0777578ed1c47e9aeed99c8adc73525f36c /net
parent1afa3cc90f8fb745c777884d79eaa1001d6927a6 (diff)
downloadlinux-e2debf0852c4d66ba1a8bde12869b196094c70a7.tar.bz2
net/sched: flower: add missing validation of TCA_FLOWER_FLAGS
unlike other classifiers that can be offloaded (i.e. users can set flags like 'skip_hw' and 'skip_sw'), 'cls_flower' doesn't validate the size of netlink attribute 'TCA_FLOWER_FLAGS' provided by user: add a proper entry to fl_policy. Fixes: 5b33f48842fa ("net/flower: Introduce hardware offload support") Signed-off-by: Davide Caratti <dcaratti@redhat.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/sched/cls_flower.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index f9c0d1e8d380..7e54d2ab5254 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -691,6 +691,7 @@ static const struct nla_policy fl_policy[TCA_FLOWER_MAX + 1] = {
.len = 128 / BITS_PER_BYTE },
[TCA_FLOWER_KEY_CT_LABELS_MASK] = { .type = NLA_BINARY,
.len = 128 / BITS_PER_BYTE },
+ [TCA_FLOWER_FLAGS] = { .type = NLA_U32 },
};
static const struct nla_policy