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authorDavide Caratti <dcaratti@redhat.com>2020-02-11 19:33:40 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-24 08:34:34 +0100
commite2eb6f22ac0e58dcc40970ccf56d418a5f7ccea4 (patch)
tree1044356e8e10737774fa99ebf4d55dcab6003792 /net/sched
parent6752ae607d145809ab1cc063b6b0fee46fd104bf (diff)
net/sched: flower: add missing validation of TCA_FLOWER_FLAGS
[ Upstream commit e2debf0852c4d66ba1a8bde12869b196094c70a7 ] 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/sched')
-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 22415311f324..c006d3b89ba3 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -486,6 +486,7 @@ static const struct nla_policy fl_policy[TCA_FLOWER_MAX + 1] = {
[TCA_FLOWER_KEY_ENC_IP_TTL_MASK] = { .type = NLA_U8 },
[TCA_FLOWER_KEY_ENC_OPTS] = { .type = NLA_NESTED },
[TCA_FLOWER_KEY_ENC_OPTS_MASK] = { .type = NLA_NESTED },
+ [TCA_FLOWER_FLAGS] = { .type = NLA_U32 },
};
static const struct nla_policy