Re: ptrace(PTRACE_ATTACH) [no intervering wait]ptrace(PTRACE_DETACH) may leave tracee stuck

[Oleg Nesterov]

Damn. Sorry for noise Mike,

On 07/23, Oleg Nesterov wrote:
>
> OTOH, in this particular case pldd.c doesn't really need PTRACE_DETACH,
> it can simply exit.

No it can't, I forgot that exit_ptrace() doesn't (and can't) clear
->exit_code. And this is another reason why PTRACE_DETACH needs the
stopped tracee.

Oleg.

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