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authorPaolo Bonzini <pbonzini@redhat.com>2021-04-22 02:39:48 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2021-04-22 13:19:01 -0400
commitfd49e8ee70b306a003323a17bbcc0633f322c135 (patch)
treebe0e5f131ee5afdbaa7a6b5fc76bb36baad8c067 /net/tipc/node.c
parent238eca821cee90e91139da84ef4f38c74d7cf0d9 (diff)
parent7aef27f0b2a8a58c28578d3e0caf3f27e1a1c39c (diff)
Merge branch 'kvm-sev-cgroup' into HEAD
Diffstat (limited to 'net/tipc/node.c')
-rw-r--r--net/tipc/node.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 008670d1f43e..136338b85504 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -2895,17 +2895,22 @@ int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb,
#ifdef CONFIG_TIPC_CRYPTO
static int tipc_nl_retrieve_key(struct nlattr **attrs,
- struct tipc_aead_key **key)
+ struct tipc_aead_key **pkey)
{
struct nlattr *attr = attrs[TIPC_NLA_NODE_KEY];
+ struct tipc_aead_key *key;
if (!attr)
return -ENODATA;
- *key = (struct tipc_aead_key *)nla_data(attr);
- if (nla_len(attr) < tipc_aead_key_size(*key))
+ if (nla_len(attr) < sizeof(*key))
+ return -EINVAL;
+ key = (struct tipc_aead_key *)nla_data(attr);
+ if (key->keylen > TIPC_AEAD_KEYLEN_MAX ||
+ nla_len(attr) < tipc_aead_key_size(key))
return -EINVAL;
+ *pkey = key;
return 0;
}