@@ -20,10 +20,12 @@ struct ubsan_values {
struct kvm_ubsan_info {
enum {
UBSAN_NONE,
- UBSAN_OUT_OF_BOUNDS
+ UBSAN_OUT_OF_BOUNDS,
+ UBSAN_UNREACHABLE_DATA
} type;
union {
struct out_of_bounds_data out_of_bounds_data;
+ struct unreachable_data unreachable_data;
};
union {
struct ubsan_values u_val;
@@ -32,3 +34,4 @@ struct kvm_ubsan_info {
#endif
void __ubsan_handle_out_of_bounds(void *_data, void *index);
+void __ubsan_handle_builtin_unreachable(void *_data);
@@ -58,6 +58,16 @@ void __ubsan_handle_out_of_bounds(void *_data, void *index)
void __ubsan_handle_shift_out_of_bounds(void *_data, void *lhs, void *rhs) {}
-void __ubsan_handle_builtin_unreachable(void *_data) {}
+void __ubsan_handle_builtin_unreachable(void *_data)
+{
+ struct kvm_ubsan_info *slot;
+ struct unreachable_data *data = _data;
+
+ slot = kvm_ubsan_buffer_next_slot();
+ if (slot) {
+ slot->type = UBSAN_UNREACHABLE_DATA;
+ slot->unreachable_data = *data;
+ }
+}
void __ubsan_handle_load_invalid_value(void *_data, void *val) {}
@@ -25,6 +25,9 @@ void __kvm_check_ubsan_data(struct kvm_ubsan_info *slot)
__ubsan_handle_out_of_bounds(&slot->out_of_bounds_data,
slot->u_val.lval);
break;
+ case UBSAN_UNREACHABLE_DATA:
+ __ubsan_handle_builtin_unreachable(&slot->unreachable_data);
+ break;
}
}