Messages in this thread | | | Date | Wed, 20 Feb 2013 14:12:37 -0800 | Subject | Re: [PATCH] posix-timer: don't call idr_find() w/ negative ID | From | Tejun Heo <> |
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On Wed, Feb 20, 2013 at 2:10 PM, Sasha Levin <sasha.levin@oracle.com> wrote: > I do think that if you have to resort to using something like that there's > something terribly wrong with the code somewhere else, and that other thing > should be fixed first. > > Maybe digging into the timers code and seeing why this is needed there will > prove me wrong...
The problem is that userland can feed us any timer_t which makes it necessary to properly sanitize the value before using it.
Thanks.
-- tejun
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