Messages in this thread | | | From | (Eric W. Biederman) | Date | Thu, 17 Jul 2008 10:50:56 -0700 | Subject | Re: [PATCH 1/2] signals: kill(-1) should only signal processes in the same namespace |
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Oleg Nesterov <oleg@tv-sign.ru> writes:
> kill_something_info() can't walk threads, think about the realtime signals.
walking threads is fine delivering signals to non thread group leaders is a problem.
> Anyway, I think we should change kill_something_info(-1) to use rcu_read_lock() > instead of tasklist.
Being dense I think the locking implications of a correct implementation are more then we are ready to deal with to fix this bug. Although I remember discussing it and seeing something reasonable.
Eric
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