syzkaller/sys/decl_test.go
Dmitry Vyukov 4d3db6d4c8 host: detect unsupported syscalls
Also detect transitively unsupported syscalls,
that is, syscalls for which all syscalls that can create
input arguments are disabled.
2015-12-27 12:20:00 +01:00

36 lines
982 B
Go

// Copyright 2015 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package sys
import (
"testing"
)
func TestTransitivelyEnabledCalls(t *testing.T) {
calls := make(map[*Call]bool)
for _, c := range Calls {
calls[c] = true
}
if trans := TransitivelyEnabledCalls(calls); len(calls) != len(trans) {
for c := range calls {
if !trans[c] {
t.Logf("disabled %v", c.Name)
}
}
t.Fatalf("can't create some resource")
}
delete(calls, CallMap["epoll_create"])
if trans := TransitivelyEnabledCalls(calls); len(calls) != len(trans) {
t.Fatalf("still must be able to create epoll fd with epoll_create1")
}
delete(calls, CallMap["epoll_create1"])
trans := TransitivelyEnabledCalls(calls)
if len(calls)-3 != len(trans) ||
trans[CallMap["epoll_ctl"]] ||
trans[CallMap["epoll_wait"]] ||
trans[CallMap["epoll_pwait"]] {
t.Fatalf("epoll fd is not disabled")
}
}