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container/initdaemon: copy wstatus from wait4 loop

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Due to the special nature of the init process, direct use of wait outside the wait4 loop is racy. This change copies the wstatus from wait4 loop state instead.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2025-12-08 22:58:42 +09:00
parent dafe9f8efc
commit e9fb1d7be5
5 changed files with 73 additions and 40 deletions
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15
container/dispatcher_test.go
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@@ -493,21 +493,6 @@ func (k *kstub) start(c *exec.Cmd) error {
return err
}
func (k *kstub) wait(c *exec.Cmd) error {
k.Helper()
expect := k.Expects("wait")
err := expect.Error(
stub.CheckArg(k.Stub, "c.Path", c.Path, 0),
stub.CheckArgReflect(k.Stub, "c.Args", c.Args, 1),
stub.CheckArgReflect(k.Stub, "c.Env", c.Env, 2),
stub.CheckArg(k.Stub, "c.Dir", c.Dir, 3))
if mgc, ok := expect.Ret.(uintptr); ok && mgc == stub.PanicExit {
panic(stub.PanicExit)
}
return err
}
func (k *kstub) signal(c *exec.Cmd, sig os.Signal) error {
k.Helper()
expect := k.Expects("signal")