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// Copyright 2017 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 host
import (
"fmt"
"strings"
"syscall"
"github.com/google/syzkaller/prog"
)
func isSupported(c *prog.Syscall, target *prog.Target, sandbox string) (bool, string) {
if strings.HasPrefix(c.CallName, "ioctl$VMM_") {
return isSupportedVMM()
}
return true, ""
}
func isSupportedVMM() (bool, string) {
device := "/dev/vmm"
fd, err := syscall.Open(device, syscall.O_RDONLY, 0)
if fd == -1 {
return false, fmt.Sprintf("open(%v) failed: %v", device, err)
}
syscall.Close(fd)
return true, ""
}
func init() {
checkFeature[FeatureCoverage] = unconditionallyEnabled
checkFeature[FeatureComparisons] = unconditionallyEnabled
checkFeature[FeatureExtraCoverage] = unconditionallyEnabled
checkFeature[FeatureDelayKcovMmap] = unconditionallyEnabled
checkFeature[FeatureNetInjection] = unconditionallyEnabled
checkFeature[FeatureSandboxSetuid] = unconditionallyEnabled
}
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