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Re: [PATCH] be paranoid about closed stdin/stdout/stderr
- Date: Tue, 26 Aug 2008 20:33:05 +0200
- From: Paolo Bonzini <bonzini@xxxxxxx>
- Subject: Re: [PATCH] be paranoid about closed stdin/stdout/stderr
Junio C Hamano wrote:
> Johannes Sixt <j.sixt@xxxxxxxxxxxxx> writes:
>
>> Paolo Bonzini schrieb:
>>> + /*
>>> + * Always open file descriptors 0/1/2 to avoid clobbering files
>>> + * in die(). It also avoids not messing up when the pipes are
>>> + * dup'ed onto stdin/stdout/stderr in the child processes we spawn.
>>> + */
>> I see your point, but I don't have an opinion whether this stretch is
>> necessary.
>
> This is going too far. Have you seen any other sane program that do this?
Busybox. But it runs setuid, as Steven pointed out.
I say it's all (i.e. be this paranoid), or nothing.
Paolo
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