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-rw-r--r--net/core/sock_diag.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index 602cd63..750f44f 100644
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -121,6 +121,9 @@ static int __sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (nlmsg_len(nlh) < sizeof(*req))
return -EINVAL;
+ if (req->sdiag_family >= AF_MAX)
+ return -EINVAL;
+
hndl = sock_diag_lock_handler(req->sdiag_family);
if (hndl == NULL)
err = -ENOENT;
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