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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 akaros
import (
"github.com/google/syzkaller/prog"
"github.com/google/syzkaller/sys/targets"
)
type arch struct {
MAP_FIXED uint64
}
func InitTarget(target *prog.Target) {
arch := &arch{
MAP_FIXED: target.GetConst("MAP_FIXED"),
}
target.MakeDataMmap = targets.MakePosixMmap(target, true, false)
target.Neutralize = arch.Neutralize
}
func (arch *arch) Neutralize(c *prog.Call) {
switch c.Meta.CallName {
case "mmap":
c.Args[3].(*prog.ConstArg).Val |= arch.MAP_FIXED
case "provision":
if pid, ok := c.Args[0].(*prog.ConstArg); ok && uint32(pid.Val) == ^uint32(0) {
// PID -1 causes some debugging splat on console.
pid.Val = 0
}
}
}
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