pflocal: Do not abort on too small getopt parameter

* pflocal/socket.c (S_socket_getopt): When *value_len is too small, return
EINVAL instead of aborting.

1 files changed, 5 insertions, 1 deletions

diff --git a/pflocal/socket.c b/pflocal/socket.c
index b1f9d770..f2b75a70 100644
--- a/pflocal/socket.c
+++ b/pflocal/socket.c
@@ -441,7 +441,11 @@ S_socket_getopt (struct sock_user *user,
       switch (opt)
 	{
 	case SO_TYPE:
-	  assert (*value_len >= sizeof (int));
+	  if (*value_len < sizeof (int))
+	    {
+	      ret = EINVAL;
+	      break;
+	    }
 	  *(int *)*value = user->sock->pipe_class->sock_type;
 	  *value_len = sizeof (int);
 	  break;