Re: [PATCH] exec: Only allow a threaded init to exec from thethread_group_leader

From: Eric W. Biederman
Date: Mon Jan 30 2006 - 15:39:56 EST


Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx> writes:

>>
>>So threading init will work just fine. The only case that will blow up
>>is calling exec from something that is not the thread group leader.
>>i.e. If tgid == 1 but pid != 1 the kernel will cause pid == 1 to exit.
>
> Should not it, at its best, replace the whole thread group by the new
> program and have things carry on?

You see the bug.

Eric

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