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-rw-r--r--winsup/cygwin/fhandler_socket.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc
index 8d8f9cbb2..559731065 100644
--- a/winsup/cygwin/fhandler_socket.cc
+++ b/winsup/cygwin/fhandler_socket.cc
@@ -363,6 +363,7 @@ fhandler_socket::dup (fhandler_base *child)
__seterrno ();
return -1;
}
+ VerifyHandle (nh);
fhs->set_io_handle (nh);
return 0;
}