Re: PROBLEM: Asynchronous I/O with realtime signals erroneously sends

Alessandro Sala (a.sala@mclink.it)
Sat, 18 Dec 1999 23:04:00 +0100


Hi Rene,

> >I think I found two bugs in the handling of real time signals in
> >the kernel. Here is the bug report in the suggested format.

> > Bug #2 (the more serious one):
>
> I havent looked into that one. Does 2.3.30 have the same behaviour? If not
> its probably fixed.

I don't know about 2.3.30, but looking at the 2.3.26 sources, it seems
the problem is still there.

> > signal the server could impersonate any other user/process by
> > appropriately filling the si_uid and si_pid fields.
>
> ? No, the si_uid, si_pid are informational only.

Yes, but IMHO if an information cannot be trusted, it's quite useless!

bye,
Alessandro

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