[xen 6/6] user_data: add hypercall sub calls

Previously, we matched do_..._op, but there exist sub calls
of a different structure. Therefore, add some of them here as
well.

Signed-off-by: Norbert Manthey <[email protected]>
---
 check_user_data2.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/check_user_data2.c b/check_user_data2.c
index d95ba1d..a04deb2 100644
--- a/check_user_data2.c
+++ b/check_user_data2.c
@@ -1238,6 +1238,9 @@ void check_user_data2(int id)
 	for (i = 0; i < ARRAY_SIZE(xen_from_guest_funcs); i++)
 		add_function_hook(xen_from_guest_funcs[i], &match_user_copy, INT_PTR(0));
 
+	// some extra functions where we know tainted data is passed
+	add_function_hook("hvm_vcpu_op", &match_user_copy, INT_PTR(1));
+
         // the Xen equivalent to kvm_register_read
 	add_function_assign_hook("acpi_hw_register_read", &match_user_copy, NULL);
 
-- 
2.7.4

Amazon Development Center Germany GmbH
Berlin - Dresden - Aachen
main office: Krausenstr. 38, 10117 Berlin
Geschaeftsfuehrer: Dr. Ralf Herbrich, Christian Schlaeger
Ust-ID: DE289237879
Eingetragen am Amtsgericht Charlottenburg HRB 149173 B