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authorMarkus Theil <markus.theil@tu-ilmenau.de>2019-10-29 10:30:03 +0100
committerJohannes Berg <johannes.berg@intel.com>2019-10-30 10:11:18 +0100
commit1fab1b89e2e8f01204a9c05a39fd0b6411a48593 (patch)
tree78441dd92cd6da0d7ed6859b221b03fdb79c4b7a /net
parentec649fed66bb242cca145ab364485c5a126efc53 (diff)
downloadlinux-1fab1b89e2e8f01204a9c05a39fd0b6411a48593.tar.bz2
nl80211: fix validation of mesh path nexthop
Mesh path nexthop should be a ethernet address, but current validation checks against 4 byte integers. Cc: stable@vger.kernel.org Fixes: 2ec600d672e74 ("nl80211/cfg80211: support for mesh, sta dumping") Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de> Link: https://lore.kernel.org/r/20191029093003.10355-1-markus.theil@tu-ilmenau.de Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/wireless/nl80211.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 4453dd375de9..7b72286922f7 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -393,7 +393,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
[NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_MESH_ID_LEN },
- [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
+ [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT,
[NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
[NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },