On Sun, 14 May 2000, Marcelo Tosatti wrote:
>
>
> On Sat, 13 May 2000, Robert de Vries wrote:
>
> > Hi Linus,
> >
> > Please accept this patch for inclusion. The impact on the kernel is
> > negligible and it makes the kernel a bit more POSIX feature complete. I
> > have received good feedback from people who have used the patch and I have
> > used it a lot myself without any problems.
> >
> Hi,
>
> posix_timer_fn() in kernel/itimer.c is a timer handler, which runs in bottom half
> context. It calls timer_notify_task() which uses the send_sig_info() function.
> send_sig_info uses the "current" pointer to check for permissions.
True, but for signals generated by the kernel these checks are all
suppressed because the check for SI_FROMUSER fails.
The check for permissions is baroque as stated in the comment preceding
it.
Robert
-- Robert de Vries rhdv@rhdv.cistron.nl- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
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