summaryrefslogtreecommitdiffstats
path: root/net/netlink/attr.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/netlink/attr.c')
-rw-r--r--net/netlink/attr.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/netlink/attr.c b/net/netlink/attr.c
index c591212793ee..e4d7bed99c2e 100644
--- a/net/netlink/attr.c
+++ b/net/netlink/attr.c
@@ -72,6 +72,17 @@ static int validate_nla(struct nlattr *nla, int maxtype,
return -ERANGE;
break;
+ case NLA_NESTED_COMPAT:
+ if (attrlen < pt->len)
+ return -ERANGE;
+ if (attrlen < NLA_ALIGN(pt->len))
+ break;
+ if (attrlen < NLA_ALIGN(pt->len) + NLA_HDRLEN)
+ return -ERANGE;
+ nla = nla_data(nla) + NLA_ALIGN(pt->len);
+ if (attrlen < NLA_ALIGN(pt->len) + NLA_HDRLEN + nla_len(nla))
+ return -ERANGE;
+ break;
default:
if (pt->len)
minlen = pt->len;