Re: [PATCH] sysrq: Use SEND_SIG_FORCED instead of force_sig()
From: Anton Vorontsov
Date: Tue Mar 27 2012 - 09:04:45 EST
On Mon, Mar 26, 2012 at 03:43:03PM -0700, Andrew Morton wrote:
> On Sat, 24 Mar 2012 15:00:24 +0400
> > > force_sig() can't kill the process if the main thread has already
> > > exited. IOW, it is trivial to create the process which can't be
> > > killed by sysrq.
> > So, this patch fixes the issue.
> It's unclear how serious this race is (I'm guessing "not very"), but
> this patch looks like 3.3 material anyway, yes?
Yep, 3.3 looks like a good target.
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