Messages in this thread |  | | | Date | Wed, 22 Apr 1998 11:43:18 -0700 | | From | Richard Henderson <> | | Subject | Re: daemon-less kmod & Alpha no-go! |
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On Wed, Apr 22, 1998 at 11:13:57AM -0700, Adam J. Richter wrote: > By setting up a user defined signal handler, which would be inherited > through the create_thread() call, it would be possible to get that > signal handler to execute as the superuser...
If you are worried about this, don't set CLONE_SIGHAND, and do
flush_signals(current); flush_signal_handlers(current);
But masking all signals makes userland weird out somehow. I think it has to do with syslog, but I'm not sure. Naturally strace or gdb can't tell me cause they don't work with signals blocked either.
r~
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