Messages in this thread |  | | Subject | Re: [RFC] prevention of syscalls from writable segments, breaking bug exploits | From | David Huggins-Daines <> | Date | 03 Jan 2001 22:41:05 -0500 |
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Andi Kleen <ak@suse.de> writes:
> On Wed, Jan 03, 2001 at 10:20:37PM -0500, David Huggins-Daines wrote: > > Dan Aloni <karrde@callisto.yi.org> writes: > > > > > This preliminary, small patch prevents execution of system calls which > > > were executed from a writable segment. > > > > How does signal return work, then? > > Newer glibc sets a sa_restorer.
Hmm, maybe sigaction(2) should stop documenting it as "obsolete and should not be used" then :-)
-- David Huggins-Daines - dhd@eradicator.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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