NFC: llcp: Limit size of SDP URI

[mirror_ubuntu-bionic-kernel.git] / net / nfc / netlink.c

diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
index c0b83dc9d99305850a61b647fe362b6ed52c50aa..f018eafc2a0de57f53a4632c8b924734f25eb8d3 100644 (file)
--- a/net/nfc/netlink.c
+++ b/net/nfc/netlink.c
@@ -61,7 +61,8 @@ static const struct nla_policy nfc_genl_policy[NFC_ATTR_MAX + 1] = {
 };
 
 static const struct nla_policy nfc_sdp_genl_policy[NFC_SDP_ATTR_MAX + 1] = {
-       [NFC_SDP_ATTR_URI] = { .type = NLA_STRING },
+       [NFC_SDP_ATTR_URI] = { .type = NLA_STRING,
+                              .len = U8_MAX - 4 },
        [NFC_SDP_ATTR_SAP] = { .type = NLA_U8 },
 };