Re: total freeze with framebuffer + X

Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz)
Mon, 29 Mar 1999 11:20:36 +0200 (CEST)


> > Hi!
> >
> > > I think the kernel shouldn't allow users to send unmaskable signals to
> > > suid programs.
> >
> > I have a diff for this somewhere, it is not that hard to do.

> Sorry Pavel, but your patch would break Single UNIX v2 spec. I would not
> apply it (or advise anyone to), therefore.

How can you protect the console from user that kills X with -9 (according
to the specification)? [ You can use xdm, but it keeps Xserver in memory
all the time :-( ] A lot of reboots of linux boxes in school labs are just
because someone typed kill -9 -1 in X (once I crashed one multi-user box
this way too :-)

Mikulas Patocka

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